Looking for the best performance filler plug cap? We’ve got you covered with a curated list of top-quality options to enhance your vehicle or motorcycle.
Performance filler plug caps are essential upgrades for any vehicle or motorcycle. They enhance both style and function, ensuring your engine stays clean and protected. Whether you’re a car enthusiast or a rider, the right cap makes a difference.
These caps come in various materials like chrome-plated steel, aluminum, and CNC-machined billet. They offer durability, easy installation, and a sleek look that stands out.
Ready to upgrade your ride? Discover the best performance filler plug caps that combine quality, style, and reliability. Let’s find the perfect fit for your needs!
List of Top 10 Performance Filler Plug Cap
| Image | Title | Best For | Price |
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Allstar Performance ALL36161 Fill Plug Kit with Weld-in Steel Bung, Silver, Small |
This Allstar Performance Fill Plug Kit is perfect for car enthusiasts who need a reliable and durable solution for their vehicle-specific needs. It’s easy to install and built to last, making it ideal for anyone looking to upgrade their ride. |
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Spectre SPE-1738 Performance 1738 Chrome Oil Filler Plug |
This Spectre SPE-1738 Chrome Oil Filler Plug is perfect for car enthusiasts who want a durable and stylish upgrade. It fits 1-1/4 inch valve cover holes and adds a shiny, chrome touch to your engine. |
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Allstar Performance ALL36169 Filler Cap Polished Withweld-In Steel Bung Small |
The Allstar Performance ALL36169 Filler Cap is perfect for car enthusiasts who want a polished, durable solution for their vehicles. It’s easy to install and built to last, making it ideal for anyone looking to upgrade their ride. |
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Spectre Performance 4310 Twist-In Oil Filler Cap |
The Spectre Performance 4310 Twist-In Oil Filler Cap is perfect for car owners who want a reliable and stylish replacement for their twist-lock type filler holes. It’s easy to install and made from high-quality material, ensuring long-lasting performance. |
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ApplianPar Transmission Filler ATF Cap Plug for Honda Accord 2003-2007, CRV 2007-2014, Civic 2014-2021, Fit 2015-2020, HR-V 2016-2021, for Acura MDX 2017-2020, RLX 2014-2020, TSX 2004-2014 |
This ApplianPar Transmission Filler ATF Cap Plug is perfect for Honda and Acura owners who need a reliable replacement part. It fits many popular models, making it a great choice for those looking to keep their vehicle running smoothly. |
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Spectre Performance 4273 Twist-In Oil Filler Breather Cap |
The Spectre Performance 4273 Twist-In Oil Filler Breather Cap is perfect for car enthusiasts who want a reliable and stylish upgrade. It fits all twist-lock filler holes and comes with a lifetime warranty. |
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Spectre Performance 4320 Chrome Screw-In Oil Filler Cap for GM |
The Spectre Performance 4320 Chrome Screw-In Oil Filler Cap is perfect for GM car owners who want a simple upgrade. It’s easy to install and adds a sleek, polished look to your engine bay. |
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NICECNC Oil Filler Plug Cap M20 Black Compatible with Yamaha YZ 65 80 125/X 250/X YZ250F YZ450F YZ250/450FX WR250F WR450F WR250R MT-09/FZ-09,CNC-machined Billet 6061 Aluminum,See Fitment |
This NICECNC Oil Filler Plug Cap is perfect for Yamaha riders who want a durable, easy-to-install upgrade. It’s ideal for those seeking long-lasting protection and a sleek, corrosion-resistant finish. |
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Allstar Performance ALL36181 Filler Cap (Black With bolt-In Alum Bung Small) |
This filler cap is perfect for anyone who wants a reliable and durable solution for their automotive needs. It’s easy to install and built to last, making it ideal for car enthusiasts and DIY mechanics. |
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Allstar Performance ALL36166 Filler Cap |
The Allstar Performance ALL36166 Filler Cap is perfect for car owners who need a reliable auto part. It’s lightweight, easy to handle, and made in the United States. |
Detailed Reviews
Discover the top 10 Performance Filler Plug Caps, carefully selected for quality, durability, and style. Each product is expert-reviewed and backed by customer feedback, ensuring you get the best value. Whether you need a sleek upgrade or a reliable replacement, this guide has you covered. Dive in to find the perfect fit for your vehicle or bike!
1. Allstar Performance ALL36161 Fill Plug Kit with Weld-in Steel Bung, Silver, Small

The Allstar Performance ALL36161 Fill Plug Kit is a vehicle-specific solution. It comes with a weld-in steel bung for secure installation. The silver finish adds a sleek look.
This kit has compact dimensions, measuring 17.5 cm in height, 3.2 cm in length, and 12.3 cm in width. It is lightweight, weighing only 0.222 kilograms, making it easy to handle.
Proudly made in the United States, this fill plug kit ensures quality and reliability. It is designed to meet the specific needs of your vehicle, providing a perfect fit.
| Pros | Cons |
|---|---|
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Perfect For:
This Allstar Performance Fill Plug Kit is perfect for car enthusiasts who need a reliable and durable solution for their vehicle-specific needs. It’s easy to install and built to last, making it ideal for anyone looking to upgrade their ride.
Ready to Purchase?
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2. Spectre SPE-1738 Performance 1738 Chrome Oil Filler Plug

Upgrade your engine with the Spectre SPE-1738 Performance Chrome Oil Filler Plug. It’s a direct fit for most 1-1/4 inch valve cover openings. This plug offers a sleek, polished look.
This premium oil filler plug features triple chrome plating. It’s built to withstand the elements and maintain its shine.
Enjoy easy installation and lasting durability. The Spectre SPE-1738 is an essential upgrade for any car enthusiast.
| Pros | Cons |
|---|---|
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Perfect For:
This Spectre SPE-1738 Chrome Oil Filler Plug is perfect for car enthusiasts who want a durable and stylish upgrade. It fits 1-1/4 inch valve cover holes and adds a shiny, chrome touch to your engine.
Ready to Purchase?
3. Allstar Performance ALL36169 Filler Cap Polished Withweld-In Steel Bung Small

Upgrade your vehicle with the Allstar Performance ALL36169 Filler Cap. This polished cap comes with a weld-in steel bung for a secure fit.
It’s easy to install. The design is sleek. It offers great durability.
This high-quality filler cap is made in the United States. Its part number is ALL36169.
| Pros | Cons |
|---|---|
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Perfect For:
The Allstar Performance ALL36169 Filler Cap is perfect for car enthusiasts who want a polished, durable solution for their vehicles. It’s easy to install and built to last, making it ideal for anyone looking to upgrade their ride.
Ready to Purchase?
4. Spectre Performance 4310 Twist-In Oil Filler Cap

The Spectre Performance 4310 Twist-In Oil Filler Cap is a reliable replacement for your vehicle. It fits all twist-lock type filler holes, making it a versatile choice.
This cap is triple chrome plated steel, giving it a durable and stylish finish. It’s made from high-quality material, ensuring long-lasting performance.
Easy to install, built to last, and looks great. A smart upgrade for any engine.
| Pros | Cons |
|---|---|
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Perfect For:
The Spectre Performance 4310 Twist-In Oil Filler Cap is perfect for car owners who want a reliable and stylish replacement for their twist-lock type filler holes. It’s easy to install and made from high-quality material, ensuring long-lasting performance.
Ready to Purchase?
5. ApplianPar Transmission Filler ATF Cap Plug for Honda Accord 2003-2007, CRV 2007-2014, Civic 2014-2021, Fit 2015-2020, HR-V 2016-2021, for Acura MDX 2017-2020, RLX 2014-2020, TSX 2004-2014

Keep your Honda or Acura running smoothly with this transmission filler cap plug. It’s a direct fit for many popular models. This essential part ensures your transmission stays clean and protected.
This cap plug is designed for Honda Accord from 2003-2007. It also fits CRV models from 2007-2014. You can use it on Civic cars made between 2014-2021.
It’s also perfect for Fit (2015-2020) and HR-V (2016-2021). For Acura owners, it fits MDX (2017-2020), RLX (2014-2020), and TSX (2004-2014). Get yours today for reliable performance.
| Pros | Cons |
|---|---|
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Perfect For:
This ApplianPar Transmission Filler ATF Cap Plug is perfect for Honda and Acura owners who need a reliable replacement part. It fits many popular models, making it a great choice for those looking to keep their vehicle running smoothly.
Ready to Purchase?
6. Spectre Performance 4273 Twist-In Oil Filler Breather Cap

Upgrade your engine’s look with the Spectre Performance 4273 Twist-In Oil Filler Breather Cap. This cap offers a sleek, polished finish. It’s built to last.
This cap fits all twist-lock type filler holes. It’s an OEM twist-lock style part.
Crafted from triple chrome plated steel, it promises durability. Plus, it comes with a lifetime warranty.
| Pros | Cons |
|---|---|
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Perfect For:
The Spectre Performance 4273 Twist-In Oil Filler Breather Cap is perfect for car enthusiasts who want a reliable and stylish upgrade. It fits all twist-lock filler holes and comes with a lifetime warranty.
Ready to Purchase?
7. Spectre Performance 4320 Chrome Screw-In Oil Filler Cap for GM

Give your GM engine a sleek, custom look with the Spectre Performance 4320 Oil Filler Cap. This chrome screw-in cap adds a touch of style to your engine bay. It’s a simple upgrade that makes a big difference.
This durable auto part is designed for a perfect fit. Get yours today and boost your engine’s appearance!
| Pros | Cons |
|---|---|
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Perfect For:
The Spectre Performance 4320 Chrome Screw-In Oil Filler Cap is perfect for GM car owners who want a simple upgrade. It’s easy to install and adds a sleek, polished look to your engine bay.
Ready to Purchase?
8. NICECNC Oil Filler Plug Cap M20 Black Compatible with Yamaha YZ 65 80 125/X 250/X YZ250F YZ450F YZ250/450FX WR250F WR450F WR250R MT-09/FZ-09,CNC-machined Billet 6061 Aluminum,See Fitment

The NICECNC Oil Filler Plug Cap is a durable and reliable upgrade for your Yamaha motorcycle. It’s made from CNC-machined 6061 aluminum billet, ensuring strength and lightweight performance. This black cap fits multiple Yamaha models, offering a sleek and functional addition.
It’s easy to install with pre-drilled holes for safety wires. The anodized finish resists corrosion, keeping it looking great. A rubber O-ring ensures no leaks, adding peace of mind.
This oil filler plug cap is built to last with high-quality materials. Its wear-resistant design and extended lifespan make it a smart choice for riders. Upgrade your bike with NICECNC for style and performance.
| Pros | Cons |
|---|---|
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Perfect For:
This NICECNC Oil Filler Plug Cap is perfect for Yamaha riders who want a durable, easy-to-install upgrade. It’s ideal for those seeking long-lasting protection and a sleek, corrosion-resistant finish.
Ready to Purchase?
9. Allstar Performance ALL36181 Filler Cap (Black With bolt-In Alum Bung Small)

The Allstar Performance ALL36181 Filler Cap is a reliable and durable accessory for your vehicle. It comes in a sleek black design with a bolt-in aluminum bung, making it both functional and stylish.
This small filler cap measures 6.9 L x 1.35 H x 4.9 W inches and weighs just 0.44 pounds. It’s easy to handle and simple to install. Made in the United States, it ensures quality craftsmanship.
With the part number ALL36181, this filler cap is easy to identify and perfect for your needs. Its compact size and lightweight design make it a great choice for any vehicle.
| Pros | Cons |
|---|---|
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Perfect For:
This filler cap is perfect for anyone who wants a reliable and durable solution for their automotive needs. It’s easy to install and built to last, making it ideal for car enthusiasts and DIY mechanics.
Ready to Purchase?
10. Allstar Performance ALL36166 Filler Cap

Upgrade your vehicle with the Allstar Performance ALL36166 Filler Cap. This essential auto part is designed for superior performance and durability. It’s a smart choice for any car enthusiast.
This filler cap is a quality auto part. It’s made in the United States. It’s built to last.
With compact dimensions of 4.9″ L x 6.9″ W x 1.35″ H and a lightweight package weight of 0.35 lbs, this filler cap is easy to handle and install. It’s the perfect addition to your automotive toolkit.
| Pros | Cons |
|---|---|
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Perfect For:
The Allstar Performance ALL36166 Filler Cap is perfect for car owners who need a reliable auto part. It’s lightweight, easy to handle, and made in the United States.
Ready to Purchase?
Buying Guide
Performance filler plug caps are essential upgrades for your vehicle or motorcycle. They enhance style and function, keeping your engine clean and protected.
Choosing the right performance filler plug cap can be exciting. It’s a simple way to upgrade your ride and make it stand out. Here’s what to consider:
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Material:
Chrome-plated steel, aluminum, and CNC-machined billet are popular choices. They offer durability and a sleek look. Pick one that matches your style and needs. -
Compatibility:
Ensure the cap fits your vehicle or motorcycle. Vehicle-specific options like the ApplianPar Transmission Filler ATF Cap are great for a perfect fit. -
Installation:
Look for caps with easy installation. Features like weld-in bungs or twist-lock designs make the process hassle-free. -
Finish:
A polished or chrome finish adds a stylish touch. Caps like the Spectre SPE-1738 maintain their shine and withstand the elements. -
Durability:
Choose caps made from high-quality materials for long-lasting performance. Triple chrome plating and anodized finishes resist corrosion. -
Size and Weight:
Compact and lightweight caps are easy to handle. Check dimensions and weight to ensure they suit your vehicle. -
Brand and Warranty:
Trusted brands like Allstar Performance and Spectre offer reliable products. Some come with a lifetime warranty for added peace of mind.
Upgrade your ride with the best performance filler plug cap and enjoy style, function, and reliability!