There’s nothing quite as irritating as a squeaky car door hinge, or one that feels stiff and resists smooth operation. It’s not just an annoyance; it’s a sign of friction and potential wear that can shorten the lifespan of crucial components. Keeping your vehicle’s hinges properly lubricated is a simple, yet incredibly effective, maintenance task that pays dividends in comfort and longevity.
I’m Mo Maruf — the founder and writer behind Go Carlife. With over 15 years immersed in the automotive market, I’ve meticulously analyzed countless product specs, scrutinized performance data, and synthesized extensive customer feedback on lubricants.
From preventing rust and corrosion to ensuring silent, effortless door swings, selecting the right product makes all the difference for your daily drive. To ensure your car doors operate flawlessly and silently for years to come, our comprehensive analysis details the absolute best lubricant for car door hinges available today.
How To Choose The Best Lubricant For Car Door Hinges
Choosing the right lubricant for your car door hinges might seem straightforward, but a few key factors can make a big difference in performance and longevity. You want something that not only silences squeaks but also protects against the elements and won’t make a mess.
Consider the Lubricant Type
Different lubricants excel in different areas. Silicone-based lubricants are fantastic for multi-surface use, safe on metal, rubber, and plastic, and typically dry without attracting dust. White lithium grease offers heavy-duty, long-lasting protection for metal-on-metal contact, often with excellent rust prevention but can be thicker and attract more grime. Dry-film lubricants, often PTFE-based, provide a clean, non-stick coating that repels dirt, ideal for tight tolerances. Traditional multi-purpose oils offer good lubrication but might not last as long or be as clean as modern synthetic options.
Application and Environmental Factors
Think about how you’ll apply the lubricant. Aerosol sprays with a “smart straw” offer precision for tight hinge pins, while stick or tube greases might be better for larger, more exposed surfaces or seals. Also, consider your climate: if you live in a humid or coastal area, prioritize lubricants with strong rust and corrosion inhibitors. For extreme temperatures, check the product’s temperature rating to ensure it remains effective.
Quick Comparison
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| Model | Type | Best For | Key Feature | Amazon |
|---|---|---|---|---|
| Permatex 80070 Silicone Spray | Silicone Spray | Overall Versatility | High silicone, no dust attraction | Amazon |
| AGS SIL-Glyde Multi-Purpose | Silicone Grease | Rubber Seals & Hinges | All-weather, rubber/plastic safe | Amazon |
| CRC Power Lube Industrial | PTFE Aerosol | Extreme Conditions | PTFE & extreme pressure additives | Amazon |
| DuPont Non-Stick Dry-Film | Dry-Film Aerosol | Clean Metal-on-Metal | 100% dry-film Teflon coating | Amazon |
| CorrosionX Rust Inhibitor | Oil-Based Aerosol | Heavy Rust Protection | Marine-grade corrosion prevention | Amazon |
| Super Lube Synthetic Grease | Synthetic Grease | Versatile Workshop | Food-grade, plastic/rubber safe | Amazon |
| DuPont Silicone w/ Teflon | Silicone Spray | Light-Duty & Clean | Waterproofs & preserves | Amazon |
| Fluid Film Aerosol | Corrosion Inhibitor | Undercoating & Penetrant | Long-lasting rust prevention | Amazon |
| Keze Door Hinge Lubricant | Synthetic Oil | Tight Space Application | Precision needle oiler | Amazon |
| Blaster Garage Door Lube | Silicone Aerosol | Tack-Free Lubrication | Silicone + extreme pressure agent | Amazon |
| 3-IN-ONE Garage Door Lube | Aerosol Lubricant | Garage Door Specific | Quick drying, non-sticky | Amazon |
| WD-40 Specialist Silicone | Silicone Spray | Metal & Non-Metal | No sticky residue, dries fast | Amazon |
| WD-40 White Lithium Grease | Lithium Grease | Heavy-Duty Metal | Thick, protective coating | Amazon |
| 3-IN-ONE Multi-Purpose Oil | Drip Oil | Classic Household | Precise drip application | Amazon |
| AGS Door-Ease Lubricant Stick | Stick Lubricant | No-Mess Application | Weatherproof, wear-resistant stick | Amazon |
In‑Depth Reviews
1. Permatex 80070 Silicone Spray Lubricant
The Permatex 80070 Silicone Spray Lubricant stands out as our top pick for its exceptional versatility and clean application. This high-silicone formula is designed to lubricate, waterproof, and electrically insulate, making it ideal for a wide range of automotive uses beyond just car door hinges. It won’t mar paint, rubber, or plastic surfaces, ensuring safe use across your vehicle.
Owners consistently highlight its effectiveness in quieting squeaky doors and windows, often reporting immediate and lasting results. Unlike some greasier options, this Permatex spray doesn’t attract dust or dirt, which is a huge plus for maintaining clean hinges and channels. Professional mechanics appreciate its ability to protect and renew rubber mountings and weather stripping, extending the life of these critical components.
For any driver seeking a reliable, multi-purpose lubricant that delivers clean, long-lasting performance on car door hinges and beyond, the Permatex 80070 is an excellent choice. Its ease of use and broad compatibility make it a staple for general vehicle maintenance, ensuring smooth, silent operation for all moving parts.
Why it’s great
- High silicone formula repels dust.
- Safe for paint, rubber, and plastic.
- Electrically insulates and waterproofs.
- Effective on hinges, windows, and weather stripping.
Good to know
- Spray can be powerful, requiring careful application.
- Flammable until fumes dissipate.
2. AGS SIL-Glyde Multi-Purpose All-Weather Lubricating Compound
The AGS SIL-Glyde Multi-Purpose Lubricating Compound is a heavy-duty silicone grease that offers outstanding compatibility with a wide array of materials, including rubber, metal, wood, glass, and plastic. Its all-weather formula is designed to resist melting, freezing, gumming, or running across a broad temperature range, making it incredibly reliable for automotive applications.
Car owners frequently commend its ability to renew door and sunroof seals, preventing sticking and squeaking, particularly in cold weather. Many attest to its effectiveness in rejuvenating weather stripping, extending component longevity, and even stopping squeaks in rear window seals. Its thick, paste-like consistency ensures it stays exactly where applied, providing long-lasting lubrication without constant reapplication.
If you’re looking for a versatile, robust lubricant that protects against heat degradation and rust while being safe for all your car’s rubber and plastic components, the AGS SIL-Glyde is a phenomenal choice. It’s particularly ideal for those who prioritize comprehensive protection for seals and hinges against harsh environmental conditions.
Why it’s great
- Excellent compatibility with rubber, plastic, and metal.
- All-weather performance (-20°F to +400°F).
- Thick consistency stays put, resists washout.
- Renews and protects door/window seals.
Good to know
- Paste form might be messier for some applications.
- Requires manual application with a finger or brush.
3. CRC Power Lube Industrial High Performance Lubricant With PTFE
The CRC Power Lube Industrial is a high-performance, multi-purpose aerosol lubricant fortified with PTFE and extreme pressure additives. This formulation gives it superior load-carrying capacity, making it an excellent choice for demanding automotive applications where parts are subjected to heavy use, friction, or vibration. It’s designed to offer lasting protection and lubrication while displacing moisture and humidity.
Drivers using this product on heavy-duty vehicle components, such as RV slide-outs and engine parts, frequently note its ability to significantly reduce noise and ensure smooth operation. Many appreciate its quick action in quieting noisy rollers and its long-lasting effect, even under continuous stress. The inclusion of PTFE means it creates a slick, durable film that resists wear and helps prevent corrosion.
For car door hinges that see a lot of action or are prone to rust due to environmental exposure, the CRC Power Lube Industrial offers robust lubrication and protection. Its high-performance capabilities make it a go-to for those seeking industrial-grade reliability for their vehicle’s moving parts, promising longevity and efficiency.
Why it’s great
- Contains PTFE for superior lubrication.
- High load-carrying capacity.
- Displaces moisture and prevents corrosion.
- Ideal for demanding applications like RV slides.
Good to know
- Scent is described as a bit odd (peppermint).
- Straw may not fit well in the cap for precise application.
4. DuPont Non-Stick Dry-Film Lubricant Aerosol
The DuPont Non-Stick Dry-Film Lubricant is a unique aerosol that provides a 100% dry-film Teflon coating, ideal for applications where traditional wet lubricants would attract dirt or interfere with delicate mechanisms. This lubricant uses proprietary resin-bonding technology to create a long-lasting, micro-thin, and dirt-resistant coating that is effective across a wide temperature range, from -100°F to +500°F.
Users praise its ability to restore function to corroded mechanisms and eliminate squeaks in hinges without leaving any greasy residue. Many find it exceptional for tight tolerance, metal-on-metal applications, as it dries instantly and repels dirt. It’s also been successfully used on oven racks and gate hinges exposed to salt corrosion, demonstrating its robust, non-stick properties.
For car door hinges where cleanliness is paramount and you want to avoid dust attraction, the DuPont Non-Stick Dry-Film Lubricant is a fantastic solution. Its Teflon-based coating ensures smooth, friction-free movement, making it a smart choice for maintaining both performance and aesthetics.
Why it’s great
- 100% dry-film Teflon coating.
- Repels dirt and resists chemicals.
- Effective in extreme temperatures.
- Safe for all surfaces, no silicone.
Good to know
- May leave a white stain on some metals.
- Does not penetrate gaps like liquid lubricants.
5. CorrosionX Rust Inhibitor, Industrial-Strength Dielectric
CorrosionX Rust Inhibitor is an industrial-strength, oil-based lubricant and penetrant specifically designed to build a lasting shield against rust and corrosion. Its unique formulation molecularly bonds to metal surfaces, creating a moisture-blocking dielectric barrier that is particularly effective in salt-heavy, humid, or wet environments. It’s qualified by the U.S. Navy for advanced marine corrosion protection, speaking volumes about its capabilities.
Users consistently report its remarkable ability to free rusted parts, lubricate difficult-to-reach areas, and prevent galvanic corrosion between dissimilar metals. Many describe it as a “killer product” for undercarriages, brake parts, and suspension components, making them look new and protecting them from the elements. Its self-healing, moisture-blocking film ensures long-lasting defense against the harshest conditions.
For car door hinges, especially on vehicles regularly exposed to road salt, coastal air, or heavy rain, CorrosionX offers unparalleled protection. While it is a premium-priced option, its industrial-grade performance and proven track record in extreme environments make it a wise investment for long-term vehicle health and corrosion prevention.
Why it’s great
- Industrial-strength rust and corrosion prevention.
- Molecularly bonds to metal, self-healing film.
- Excellent penetrant for rusted parts.
- Safe for electronics, prevents galvanic corrosion.
Good to know
- More expensive than general lubricants.
- Leaves surfaces “wet” and greasy, attracting some dust.
6. Super Lube Multi-Purpose Synthetic Grease w/ Syncolon
Super Lube Multi-Purpose Synthetic Grease with Syncolon (PTFE) is a versatile and high-performance lubricant suitable for a vast array of applications, from automotive to household use. This non-melting, food-grade grease resists water, salt water, dirt, and corrosion, ensuring stability under pressure and in harsh environments. Its translucent white appearance is a bonus for clean application.
Enthusiasts regularly find new uses for this grease, praising its ability to lubricate O-rings, plastic gears, and electrical connections without attacking most plastics and rubbers. Many highlight its effectiveness in quieting 3D printers and RC car drivelines, as it keeps water out and lasts indefinitely. Its synthetic nature means it won’t diesel at high pressures, making it ideal for precision components.
While a bit pricier per ounce than some alternatives, a small tube of Super Lube is an invaluable addition to any garage or workshop. For car door hinges, particularly those with plastic or rubber components, its safe, long-lasting, and protective qualities make it a standout choice for smooth and quiet operation.
Why it’s great
- NSF H1 registered food-grade lubricant.
- Safe for most plastics and rubbers.
- Resists water, salt, dirt, and corrosion.
- Non-melting formula stays put.
Good to know
- More expensive than petroleum-based greases.
- Not ideal for very dusty environments.
7. DuPont Silicone Lubricant with Teflon Fluoro Polymer
The DuPont Silicone Lubricant with Teflon Fluoro Polymer is a clean, light-duty product designed for non-metal materials that might be damaged by conventional lubricants, while also being effective on metal. It waterproofs, protects, lubricates, and preserves, making it highly versatile for various automotive and household applications. This formula excels at eliminating squeaking and binding in windows, hinges, and locks.
Homeowners and DIY enthusiasts praise its “magical” ability to make sticky locks and squeaky door hinges operate effortlessly, often with just a single drop. Many note its non-oily, non-greasy residue, which prevents dust attraction and keeps surfaces clean. Its precise squeeze bottle application is a favorite, allowing targeted lubrication without the overspray of aerosols.
For car door hinges and other moving parts where a clean, non-staining, and effective lubricant is needed, the DuPont Silicone Lubricant with Teflon is an outstanding choice. Its ability to work on rubber, plastic, vinyl, leather, metal, and wood makes it a truly multi-purpose problem-solver for your vehicle and home.
Why it’s great
- Safe for non-metal materials (rubber, plastic, vinyl).
- Waterproofs, protects, lubricates, and preserves.
- Eliminates squeaking and binding effectively.
- Non-greasy, non-staining formula.
Good to know
- Small bottle size might not last long for heavy users.
- Not a heavy-duty penetrant for rusted bolts.
8. Fluid Film Aerosol
Fluid Film Aerosol is primarily renowned as a powerful rust and corrosion prevention product, but it also serves as an excellent penetrant and lubricant. Derived from lanolin, it creates a non-drying, self-healing barrier that actively displaces moisture and inhibits rust on all metals, making it particularly effective for vehicles exposed to harsh elements.
Truck and car owners widely use Fluid Film for undercoating, protecting frames, and preventing issues like freezing locks and weather stripping in winter. Many commend its staying power and ease of application, noting that it effectively keeps metal protected from the elements. It’s a go-to for PTO shafts and other components that need to come apart easily despite exposure.
While it has a distinct odor, the protective benefits for car door hinges, especially in rust-prone areas, are undeniable. Fluid Film provides a robust, long-lasting shield that not only lubricates but also actively combats the formation of rust, ensuring your hinges remain functional and free from seizing over time.
Why it’s great
- Exceptional rust and corrosion prevention.
- Penetrates and lubricates effectively.
- Long-lasting, non-drying, self-healing barrier.
- Great for undercoating and protecting exposed metal.
Good to know
- Has a noticeable odor.
- Can be messy to apply, requiring gloves and mask.
9. Keze Door Hinge Lubricant with Needle Oiler
The Keze Door Hinge Lubricant is a synthetic oil specifically formulated for precision applications, featuring a long-needle oiler design. This allows for incredibly easy and mess-free application in tight spaces, making it perfect for intricate mechanisms where a spray might be too broad or messy. It’s designed to eliminate squeaks, ensure smooth operation, and protect against rust, corrosion, friction, and wear.
Users frequently highlight the convenience and effectiveness of the needle applicator for lubricating small parts like knife pivots, sewing machine gears, and, of course, door hinges and keyholes. Many appreciate its odorless and non-toxic formula, making it safe for indoor use and around children and pets. Its ability to work flawlessly across a wide temperature range also adds to its versatility.
For car door hinges that are hard to reach or require a very precise amount of lubricant without any overspray, the Keze Door Hinge Lubricant is an excellent choice. It’s a specialized tool for detailed lubrication, ensuring quiet and smooth movement exactly where you need it.
Why it’s great
- Precision long-needle oiler for tight spaces.
- Odorless and non-toxic formula.
- Effective across a wide temperature range (-22°F to 248°F).
- Reduces wear, rust, and friction.
Good to know
- Small volume (1 oz) may not be enough for large projects.
- Liquid form might require more frequent reapplication than grease.
10. Blaster Chemical Company Garage Door Lube
The Blaster Chemical Company Garage Door Lube is specifically formulated to provide superior lubrication and lasting protection while leaving a tack-free film. This proprietary formula incorporates the protective qualities of silicone with an extreme pressure agent, ensuring it won’t accumulate dust or dirt. It’s designed to replace messy aerosol grease products with a cleaner, more effective solution.
Garage door owners highly recommend this product for quieting noisy doors, rollers, and hinges, often reporting immediate and dramatic improvements in movement. Many appreciate that it dries quickly and stays where sprayed, avoiding drips and messes on the floor. Its long-lasting effect means less frequent reapplication, even in challenging environments with high heat and humidity.
While marketed for garage doors, its tack-free, silicone-based formula makes it a strong contender for car door hinges, especially if you want to avoid dust attraction. The Blaster Garage Door Lube offers excellent lubrication and protection, ensuring your car doors operate smoothly and quietly without becoming a magnet for grime.
Why it’s great
- Leaves a tack-free film, won’t attract dust/dirt.
- Combines silicone with extreme pressure agent.
- Provides superior lubrication and protection.
- Dries quickly and stays put.
Good to know
- Some users apply a whole can for one garage door (more than needed for car hinges).
- Specific to garage doors, but effective on other metal parts.
11. 3-IN-ONE Garage Door Lubricant with SMART STRAW
The 3-IN-ONE Garage Door Lubricant, equipped with a SMART STRAW, is a professional-grade formula designed for high performance and fast drying. It’s specifically crafted to lubricate and protect metal moving parts, keeping them free from corrosion and ensuring smooth operation. The quick-drying, non-sticky application is key, as it prevents dirt and other contaminants from accumulating over time.
Users consistently report dramatic reductions in noise and friction on garage doors, hinges, and rollers. The SMART STRAW is a particular favorite, allowing precise application into tight spots without mess. Many find it superior to general-purpose lubricants for metal-on-metal parts, noting its ability to leave a protective coating that deters rust.
While primarily marketed for garage doors, its quick-drying, non-sticky formula and rust-preventative properties make it a viable option for car door hinges, especially for those who appreciate a clean application. It’s an effective, inexpensive fix for squeaks and stiffness, extending the life of metal components.
Why it’s great
- Fast-drying, non-sticky formula.
- SMART STRAW for precise application.
- Lubricates and protects against corrosion.
- Doesn’t attract dirt or contaminants.
Good to know
- Has a strong odor that dissipates after a few days.
- Not recommended for plastic parts.
12. WD-40 Specialist Silicone Lubricant with SMART STRAW
The WD-40 Specialist Silicone Lubricant is a professional-grade, triple-action formula designed to lubricate and protect a wide variety of surfaces, including metal, rubber, vinyl, and plastic. It leaves a clear, thin protective film that dries quickly without any sticky residue, ensuring surfaces stay clean and don’t attract dust or grime. The integrated SMART STRAW allows for precise or wide spray application.
Vehicle owners find this silicone lubricant incredibly effective for conditioning rubber seals on car doors, preventing them from sticking in cold weather, and eliminating squeaks. Many praise its quick-drying nature and its ability to make sliding windows and patio doors operate smoothly and silently. Its versatility extends to locks, chains, pulleys, and hinges, making it a household and workshop essential.
For car door hinges, especially those with surrounding rubber or plastic components, the WD-40 Specialist Silicone Lubricant is an excellent choice. It provides clean, long-lasting lubrication and protection against natural elements without leaving a messy buildup, ensuring your doors function flawlessly.
Why it’s great
- Safe for metal, rubber, vinyl, and plastic.
- Dries quickly without sticky residue.
- SMART STRAW for precise or wide spray.
- Protects surfaces from natural elements.
Good to know
- May not be as heavy-duty for extreme metal-on-metal friction as lithium grease.
- Some users prefer the original WD-40 for penetrating rusted parts.
13. WD-40 Specialist White Lithium Grease Spray with SMART STRAW
The WD-40 Specialist White Lithium Grease Spray is engineered for heavy-duty lubrication and robust protection against rust and corrosion, specifically for metal-to-metal applications. It sprays on evenly as a liquid and then sets dry with a thick, protective coating that won’t run off, making it ideal for components subjected to high friction and load. It’s safe from 0°F to 300°F.Many drivers and garage enthusiasts rely on this product for lubricating auto hinges, latches, and gears, consistently reporting a significant reduction in noise and smoother operation. Its ability to combat rust on electric scooter parts and keep garage doors running quietly even after weeks of use highlights its long-lasting protective qualities. The SMART STRAW further aids in precise application.
For car door hinges that endure significant wear and tear, or require a lubricant that provides a substantial barrier against the elements, the WD-40 Specialist White Lithium Grease is an excellent, heavy-duty solution. Its thick coating ensures enduring lubrication and superior rust prevention, making it a trusted choice for professionals and DIYers alike.
Why it’s great
- Heavy-duty lubrication for metal-to-metal.
- Thick, protective coating won’t run off.
- Excellent rust and corrosion protection.
- Wide temperature range (0°F to 300°F).
Good to know
- Can leave a visible white residue.
- May attract more dust than dry-film or silicone sprays.
14. 3-IN-ONE Multi-Purpose Oil
The 3-IN-ONE Multi-Purpose Oil is a classic, trusted lubricant that has been a staple in toolboxes for over a century. This versatile drip oil lubricates, cleans, and protects against rust and corrosion, making it suitable for a wide array of moving parts. Its squeeze bottle design with a Marksman Twist Spout allows for precise application without overspray or splatter, ensuring you get the product exactly where you need it.
Homeowners and DIYers frequently praise its effectiveness on squeaky door hinges, rusty bolts, and bike chains, noting that a little goes a long way. Many appreciate its lightweight yet protective barrier against moisture and its lack of a strong or unpleasant odor, making it comfortable for indoor use. Its reliability and ease of use have cemented its place as an all-purpose lubricant.
For car door hinges, especially older ones that might benefit from a penetrating oil to loosen minor rust, the 3-IN-ONE Multi-Purpose Oil offers a straightforward and effective solution. Its precision application and proven track record make it a reliable, budget-friendly option for keeping your vehicle’s doors moving smoothly.
Why it’s great
- Trusted multi-purpose lubricant for over 100 years.
- Lubricates, cleans, and protects against rust.
- Precision drip application with no overspray.
- Good value for everyday household and automotive use.
Good to know
- Oil-based, can attract more dust/dirt than dry films.
- May require more frequent reapplication than greases.
15. AGS Automotive Solutions Door-Ease Lubricant Stick
The AGS Automotive Solutions Door-Ease Lubricant Stick is the “Original” no-mess stick lubricant, renowned for its clean and convenient application. This innovative lubricant is expertly designed to effortlessly stop squeaking and sticking, offering a unique alternative to traditional greases and oils. Its stick form allows for precise application without the worry of overspray or drips.
Users consistently praise its ability to make windows roll up and down smoothly in older vehicles and quiet auto door latches and strikers. Many appreciate that it’s not dirty or sticky and doesn’t attract dust, unlike many oil-based lubricants. Its weatherproof and wear-resistant qualities ensure it remains effective under various environmental conditions, extending the life of components.
For car door hinges where a completely mess-free, targeted application is desired, the AGS Door-Ease Lubricant Stick is an excellent, user-friendly option. It’s particularly useful for lubricating hinge pins without attracting dust, providing smooth, quiet operation with minimal fuss.
Why it’s great
- No-mess stick application.
- Weatherproof and wear-resistant.
- Doesn’t attract dust or dirt.
- Safe for metal, wood, glass, plastic, and rubber.
Good to know
- Difficult to apply into very small, tight spaces.
- May require picking off small amounts for intricate parts.
Understanding the Specs
Viscosity and Temperature Range
A lubricant’s viscosity, or thickness, dictates how well it flows and adheres. For car door hinges, a medium to high viscosity is often preferred to ensure it stays in place and provides long-lasting protection. Equally important is the temperature rating; lubricants must perform effectively in both freezing winters and scorching summers without breaking down or becoming too thick to function. Products like WD-40 Specialist White Lithium Grease (0°F to 300°F) and AGS SIL-Glyde (-20°F to +400°F) demonstrate excellent thermal stability.
Material Compatibility and Residue
The materials present in and around car door hinges (metal, plastic, rubber weather stripping, paint) demand a lubricant that won’t cause damage. Silicone-based lubricants, such as Permatex 80070 and WD-40 Specialist Silicone, are generally safe for multiple surfaces and often dry with a clear, non-sticky film that repels dust. Lithium greases provide heavy-duty protection but can leave a visible residue. For ultimate cleanliness, dry-film lubricants like DuPont Non-Stick Dry-Film offer a non-stick coating that won’t attract dirt.
FAQ
What type of lubricant is best for car door hinges?
How often should I lubricate my car door hinges?
Can I use WD-40 on car door hinges?
How do I apply lubricant to car door hinges?
Final Thoughts: The Verdict
For most drivers, the best lubricant for car door hinges winner is the Permatex 80070 Silicone Spray Lubricant because of its exceptional versatility, clean application, and safety across various materials. If you want heavy-duty, long-lasting protection for metal-on-metal, grab the WD-40 Specialist White Lithium Grease Spray. And for comprehensive protection of rubber seals and hinges in all weather, nothing beats the AGS SIL-Glyde Multi-Purpose All-Weather Lubricating Compound.