11 best automotive replacement caps
Automotive replacement caps refer to various types of caps used in vehicles to cover or seal different components and systems.These caps are an integral part of the vehicle's functionality and safety. Here's what you should know about automotive replacement caps:
Fuel Cap: The fuel cap is one of the most common automotive replacement caps. It seals the fuel tank to prevent the entry of dust, debris, and moisture, as well as to contain fuel vapors. A properly functioning fuel cap is essential for maintaining fuel system integrity and preventing the Check Engine light from coming on due to evaporative emissions issues.
Oil Filler Cap: The oil filler cap is located on the engine's valve cover or oil reservoir. It seals the engine's oil system, preventing contaminants from entering and maintaining proper oil pressure. A damaged or missing oil filler cap can lead to oil leaks and engine damage.
Radiator Cap: The radiator cap is crucial for regulating the pressure in the cooling system. It helps maintain the correct operating temperature of the engine by raising the boiling point of the coolant. Replacing a worn or malfunctioning radiator cap is important for preventing overheating.
Power Steering Cap: In vehicles with power steering systems, the power steering cap seals the reservoir. It ensures that the power steering fluid remains uncontaminated, preventing damage to the power steering pump and other components.
Brake Fluid Reservoir Cap: The brake fluid reservoir cap seals the brake fluid reservoir, preventing moisture and debris from entering the brake system. Maintaining a proper seal is vital for brake performance and safety.
Transmission Fluid Filler Cap: Automatic transmissions have a filler cap that seals the transmission fluid reservoir. This cap helps maintain the correct fluid level and protects the transmission from contaminants.
Windshield Washer Fluid Cap: The windshield washer fluid cap covers the reservoir containing washer fluid. It prevents the washer fluid from evaporating and keeps contaminants out, ensuring a clean windshield.
Differential and Transfer Case Caps: In vehicles with differentials and transfer cases, caps are used to seal the fill and drain holes. Proper sealing is essential for maintaining the correct fluid levels and protecting these critical components.
Power Brake Booster Vacuum Cap: Some vehicles have vacuum caps that connect to the power brake booster. These caps help maintain vacuum pressure for power-assisted braking.
A/C Service Port Caps: The air conditioning system has service port caps that seal the ports where refrigerant is added or evacuated. These caps are essential for preventing refrigerant leaks and maintaining system efficiency.
Compatibility: When replacing automotive caps, it's crucial to ensure that the replacement cap is compatible with the vehicle's make, model, and specific system. Caps come in various sizes and designs, so choosing the correct one is essential.
In summary, automotive replacement caps serve important functions in a vehicle's various systems, from sealing fuel tanks to maintaining proper fluid levels and system integrity. Regular inspection and replacement of worn or damaged caps are essential for vehicle safety and optimal performance.
Below you can find our editor's choice of the best automotive replacement caps on the market
ACDelco GT364 GM Original Equipment Fuel Tank Cap
Product description
The ACDelco GM Original Equipment Regular Fuel Cap is a threaded cap that seals your vehicle's fuel tank filler, and is a GM-recommended replacement for your vehicle’s original component. The fuel cap has a rubber gasket that provides a liquid-tight seal to keep fuel in and water and dirt out. The cap may have a check-valve that lets air in or out depending on the air pressure inside the tank. This original equipment regular fuel cap has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
- Provides a tight seal to keep your vehicle's fuel tank closed
- A sealed fuel tank reduces vapor emissions which helps the environment
- Prevents lost fuel in order to help reduce your trips to the gas station
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
User questions & answers
| Question: | Does this fit a 2015 Silverado |
| Answer: | No it won't when you look up parts there is a section that ask your make and model. It will tell you if so this will not fit |
Gates 31838 Fuel Tank Cap
Product description
OE Equivalent Fuel Caps feature rugged, heavy-duty construction. Meets or exceeds OEM specifications. Caps fit both shallow and deep cam filler necks - vented, non-vented and vented anti-surge.
- Fenderwell Fuel Caps are zinc-plated and dichromate dipped for superior corrosion resistance. Some models are made from rugged plastic.
- EEC Fuel Caps meet OEM specifications and Federal and State Emission Requirements. Two-way action pressure relief/vacuum relief valve allows fuel tank to “breathe” while preventing the escape of fuel fumes. Seals are compounded from fuel-resistant rubber.
- Exterior Fuel Caps have attractive chrome-plated finish.
Gates - Driven By Possibility
- Package Weight: 0.091 kilograms
- Package Dimensions: 9.525 H x 7.874 L x 9.144 W (centimetres)
- Country of Origin : China
- Shell Diameter 2.78 in Neck Diameter: 1.78 inches. Cap Depth: 2.41 inches
User questions & answers
| Question: | Will this cap work for 2012 Subaru Forester |
| Answer: | Hello,Gates 31838 will work on the 12 Subaru Forester. |
| Question: | Will it work on 2011 Nissan Cterra |
| Answer: | No |
| Question: | Will this cap have a grove ring around it so that i can put my orginal tether on it. for a 07 nissan titan |
| Answer: | Yes it does have the groove for the tether. |
| Question: | Can I drill out the hole in the top of the handle to install my tether without causing the cap to leak |
| Answer: | Drill at your own risk but it’s cheap. My point is it will create a hole through and you can actually see the end center grill of the cap. So the knob is not solid plastic just a warning. |
Stant 10508 Locking Fuel Cap
Product description
Stant locking gas caps are OEM quality both in construction and materials as well as deterrent to fuel theft and vandalism. A gas/fuel cap performs three very important functions; safety of the vehicle's occupants, fuel economy and reduce emissions. Safety: Without a fuel cap, gasoline vapors will be present around your car at all times. Those vapors can be ignited by a random spark or flame and are very dangerous if you are involved in an accident or rollover. Fuel Economy: According to Sun Oil Company research, a vehicle with a missing or inoperative fuel cap will allow 176 pounds (22 gallons) of gasoline to evaporate over the period of one year. Emissions: Gasoline vapors emit hydrocarbons which dissolve the earth's ozone layer and cause smog.
- A quality locking mechanism deters fuel theft and vandalism
- Original equipment performance and safety standards
- OEM quality construction and materials
- Replacing an old, leaky or missing gas cap can save as much as a gallon of gas every 15 days
- A new gas cap can pay for itself in less than three months.
User questions & answers
| Question: | Does this work for a 2018 Dodge Challenger |
| Answer: | I don’t believe so just the eclipse |
| Question: | will this fit a 2006 dodge hemi charger |
| Answer: | Yes, but only if it has the 426 Street Hemi engine. |
| Question: | does is fit 2004 dodge neon |
| Answer: | Hello, yes the 10508 will fit the 2004 Dodge Neon. |
| Question: | is key required to be in cap to install a locked cap |
| Answer: | Yes a key 🔑 that is provided must be used to lock and unlock the cap. |
Product features
Stant 10508 Locking Fuel Cap
Fuel caps made of sturdy, long-life materials which have all original equipment features AND a key-operated lock to protect the vehicle from fuel theft and vandalism.
- Keyed alike versions are available for small fleets or consumers with more than one vehicle. Stant caps are unique because they are the only aftermarket caps to include all safety features and valving of the original equipment caps.
- OE Pressure relief prevents fuel vapors from exiting the fuel system under normal operating conditions. This allows an escape path for pressure in the event of an impact situation where the fuel tank has collapsed. It also permits pressure to escape if the vapor management system malfunctions.
ACDelco 12F1P Professional Fuel Tank Cap
Product description
The ACDelco Professional, premium aftermarket Regular Fuel Cap is a threaded cap that seals your vehicle's fuel tank filler, and is the high quality replacement ideal for many vehicles on the road today. This premium aftermarket replacement regular fuel cap is manufactured to meet your expectations for fit, form, and function.
- Provides a tight seal to keep your vehicle's fuel tank closed
- A sealed fuel tank reduces vapor emissions which helps the environment
- Professional, premium aftermarket replacement fuel cap
- Provides the performance and dependability you expect from ACDelco
- Manufactured to meet expectations for fit, form, and function
User questions & answers
| Question: | Does this fit a 2001 toyota camry 2.2 le |
| Answer: | Mine was a 2000 camry. So I don't know about a 2001. |
| Question: | Does this cap come with a tether |
| Answer: | Mine did not come with a tether. |
| Question: | Does it fit 2001 Honda Accord |
| Answer: | Since this is made for GM vehicles, I'm not sure if it will fit your vehicle. |
| Question: | Hello. Will this fit 2015 Nissan Rouge |
| Answer: | It fits older Chevy Pick Up trucks. If you go to your "garage".(your garage is in your account settings) Add your vehicle in your virtual garage, then every part you look up will tell you if it fits or not. |
MotoRad MGC791 Fuel Tank Cap
Product description
Deters vandalism and fuel theft. Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
- Protects your fuel from theft and vandalism
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Fit type: Vehicle Specific
User questions & answers
| Question: | Will it fit 2003 Ford F-150 king ranch |
| Answer: | The correct locking fuel cap for a 2003 Ford F-150 would be the MotoRad MGC-802. https://www.amazon.com/Motorad-MGC-802-Locking-Fuel-Cap/dp/B000C5GANO |
| Question: | Will it fit a 1999 ram 1500 pick up? 5.9l gas |
| Answer: | Yes, this is correct for that vehicle.Bruce |
| Question: | Will this prevent check engine lights from coming on that some other brands of locking gas caps cause |
| Answer: | While it will not prevent the check engine light from coming on; it won't CAUSE the Check Engine Light to come on as long as you get 3 clicks when you put the cap back on. |
| Question: | tundra |
| Answer: | I know it works on my Ford Ranger. I have not tried it on the Toyota Tundra. August 26, 2013 |
Crown Automotive 4897287AA Steering Pump Reservoir Cap, Black
Crown Automotive
Product description
Crown Automotive carries over 9600 unique quality replacement parts encompassing over 766,000 different applications for every model of Jeep produced since 1941.
- 4.0 and 4.7L Engines
- Twist One
- Includes Seal and Dipstick
- Direct Replacement
- Durable and long lasting
- Fit type: Vehicle Specific
User questions & answers
| Question: | Will this fit my 2006 chevy colorado |
| Answer: | This unit is inteded for Jeep vehicles: Fits: Jeep Wrangler (TJ) (1997-2006) w/ 4.0L engine. Jeep Cherokee (XJ) (1997-2001) w/ 4.0L engine. Jeep Grand Cherokee (WJ) (1999-2001) w/ 4.7L engine. Jeep Grand Cherokee (WJ) (1999-2004) w/ 4.0L engine. Jeep Grand Cherokee (WG) (2001-2004); WG (Europe) model w/ 4.0L engine. Jeep Grand Cherokee (ZJ) (1997-1998). Jeep Grand Cherokee (ZG) (1997-1998); ZG (Europe) model. |
| Question: | Will this fit 2008 Toyota Sequoia |
| Answer: | Hi Sorry no, this is for Jeep vehicles |
| Question: | Will fts ford explorer eddie bauer 4.6 l |
| Answer: | Hi sorry, no, it is intended for Jeep vehicles |
| Question: | Will this fit a 1989 jaguar xj |
| Answer: | No. It fits jeeps with a 4.0 inline 6. |
MotoRad MGC842 Fuel Tank Cap
Product description
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
- A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
- Fit type: Vehicle Specific
User questions & answers
| Question: | Will this fit a 2010 mercedes benz c300 lux |
| Answer: | This will be the correct fuel cap for a 2010 Mercedes Benz C300 3.0l & 3.5l. Thanks for your interest. |
| Question: | Will this fit a 2000 Mercedes Benz S |
| Answer: | No. The correct fuel cap for a 2000 Mercedes Benz S430 4.3l is the MGC-843. Thanks for the inquiry. |
| Question: | Hi there, I was wondering if it can fit in a 1.5 inch gas tube |
| Answer: | The cap made the check engine light come on. Took it to a mechanic and he recommended buying OEM parts from the car manufacture. Little more money but because there are so many emission sensors its the best option. |
Product features
Fuel Caps
MotoRad standard fuel caps pass all state and federal emissions requirements. The caps are specifically designed with pressure and vacuum relief valves to prevent evaporation of fuel.
Locking Fuel Caps
MotoRad’s locking fuel caps can function as a locking or non-locking fuel cap. When the key is turned to the left and removed, the cap is unlocked and no longer spins freely. The cap meets all emission specifications in both the locked and unlocked position.
Motorcraft Radiator Cap
Product description
Radiator Cap
- Package Dimensions: 4.318 H x 8.128 L x 6.604 W (centimeters)
- Part number: RS90
- Fit type: Vehicle Specific
- Package Weight: 0.1 pounds
User questions & answers
| Question: | The label says to align the arrows with the vent tube, but when that is done its not tight on the radiator. Which way should it go |
| Answer: | Tighten it down. It says they should go along the vent tube but its actually opposit. You want the cap snug. |
ACDelco 12F40L Professional Locking Fuel Tank Cap
Product description
The ACDelco Professional, premium aftermarket Locking Fuel Cap is a threaded cap that seals your vehicle's fuel tank filler, and is the high quality replacement ideal for many vehicles on the road today. This premium aftermarket replacement locking fuel cap is manufactured to meet your expectations for fit, form, and function.
- Engineered to provide a tight seal for your vehicle's fuel tank with the added benefit of a lock to deter fuel theft
- Professional, premium aftermarket replacement fuel cap
- Provides the performance and dependability you expect from ACDelco
- Manufactured to meet expectations for fit, form, and function
User questions & answers
| Question: | So, i got the cap. i got the keys. but no matter how i twist/lock the cap, it just comes off. like its not locked is there a trick |
| Answer: | No trick sounds like a defective cap. Maybe you got the wrong gas cap. Mine fit 2007 Chevy Silverado just fine. |
| Question: | Does the gas cap you get look like the one pictured in January |
| Answer: | Mine did not. This picture shows a small gap where the plastic tether ring would attach so you can hang if from the gas door. Mine showed up (box showdown the correct part number) however there is no slot or way to attach the securement. Does not look like the picture at all. 2009 Silverado 2500HD. |
| Question: | Does it come with a key. I got mine today and there wasnt a key |
| Answer: | Comes with key |
| Question: | Is this cap fits on 2013 Chevy Captiva |
| Answer: | If it has a two post gas open yes. If it is a threaded gas nozzle then your answer is nope. |
Dorman 82725 Power Steering Reservoir Cap for Select Buick/Chevrolet/Pontiac Models
Product description
Dorman offers a variety Power Steering Reservoir Caps for a range of applications. All our Power Steering Reservoir Caps are constructed of high-quality plastic for long-lasting durability. Vehicle model years this part fits: Buick Lacrosse: 2008, 2009 Chevrolet Impala: 2006, 2007, 2008, 2009, 2010, 2011 Chevrolet Monte Carlo: 2006, 2007 Pontiac Grand Prix: 2005, 2006, 2007, 2008
- Save time, money and labour by replacing only the Cap-instead of the entire Power Steering Reservoir
- Many sizes available
- Protects power steering system by providing a tight seal against the elements
- A necessary safety item-prevents brake fluid from splashing and/or leaking
- Ensure fit to make sure this part fits your exact vehicle, input your make, model and trim level into the Garage
Product features
Dorman’s HELP! line has been helping auto repair professionals and vehicle owners for more than 30 years.
ACDelco GT329 GM Original Equipment Fuel Tank Cap
Product description
The ACDelco GM Original Equipment Regular Fuel Cap is a threaded cap that seals your vehicle's fuel tank filler, and is a GM recommended replacement for your vehicle’s original component. The fuel cap has a rubber gasket that provides a liquid tight seal to keep fuel in and water and dirt out. The cap may have a check valve that lets air in or out depending on the air pressure inside the tank. This original equipment regular fuel cap has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
- Provides a tight seal to keep your vehicle's fuel tank closed
- A sealed fuel tank reduces vapor emissions which helps the environment
- Prevents lost fuel in order to help reduce your trips to the gas station
- GM recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
User questions & answers
| Question: | This have a key |
| Answer: | No it does not have a key. It is a replacement for the original equipment part that was lost from my vehicle. |
| Question: | Have this cap a key |
| Answer: | No |
| Question: | Does it make a difference if my srx is a flexfuel vehicle |
| Answer: | Usually flex fuel caps are different. |
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