Best Oil Breather & Filter Caps of 2026
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Oil breather and filter caps are essential components of an engine's ventilation system. These caps help to regulate the air pressure within the engine and prevent oil from escaping. They also filter out impurities and debris from the air before it enters the engine. Oil breather and filter caps are available in a range of styles and materials to suit different engines and applications. They are easy to install and maintain, and can help to extend the life of an engine by ensuring that it runs smoothly and efficiently. Whether you're a professional mechanic or a DIY enthusiast, oil breather and filter caps are an important part of any engine maintenance kit.
At a Glance: Our Top Picks
Top 10 Oil Breather & Filter Caps
Dasbecan Oil Filter Cap for Ford Fusion/F-150 2.7L V6/EcoBoost
The Dasbecan Oil Filter Cap is designed to fit Ford Fusion models from 2017 to 2020 and F-150 trucks from 2015 to 2020, specifically those with 2.7L V6 or EcoBoost engines. This cap replaces part numbers FT4Z6A832C and FT4Z-6A832-C, making sure it matches your vehicle perfectly. Made from high-quality materials, it offers durability and reliable performance, so you can trust it to last through many oil changes. With this cap, you get a secure and dependable cover for your oil filter, helping to protect your engine and maintain its efficiency.
A-Premium Aluminum Oil Filter Cap for Toyota & Lexus
The A-Premium Oil Filter Cap is designed to fit a wide range of Toyota and Lexus models, including popular vehicles like the Camry, RAV4, Highlander, and Lexus ES300h. This compatibility means you can easily find the right fit for your car, saving you time and effort. Made from durable aluminum, this cap withstands higher temperatures better than plastic alternatives, reducing the risk of oil leaks. Installation is simple—just screw it on like the original. Plus, it comes with essential O-rings and a drain plug, making it a convenient, all-in-one replacement that ensures a secure, long-lasting seal for your engine’s oil filter.
Genuine Toyota Oil Filter Cap & Plug 15620-31060
The Toyota Oil Filter Cap Set includes a genuine oil filter housing cap and a drain plug, designed to fit perfectly on your vehicle. This set ensures a secure seal for your oil filter housing, helping to prevent leaks and maintain engine performance. You’ll appreciate that both parts come directly from Toyota, so you can trust their quality and compatibility. Plus, the product is backed by Toyota’s factory warranty, giving you peace of mind. The items arrive in authentic packaging with official labels, confirming you’re getting genuine OEM parts for reliable maintenance.
ZyloPlinx Oil Filter Housing Cap
The ZyloPlinx Oil Filter Cap is designed to fit a wide range of Chrysler and Dodge models from 2014 to 2022, ensuring compatibility with vehicles like the Ram 1500 and Challenger. This cap features high-quality aluminum construction, which enhances durability and extends its lifespan. The part numbers 68191350AA, 917-190, and 917190 make it easy to identify the right fit for your vehicle. With its precise compatibility, you can replace your oil filter housing cap confidently, knowing it will perform reliably and help maintain your engine's efficiency.
Buyers Products Chrome Breather Cap
The Buyers Breather Cap is an essential replacement part that helps keep your equipment safe from harmful contaminants. By covering your equipment, this cap prevents dirt, dust, and debris from entering, which can enhance the lifespan and efficiency of your machinery. Designed specifically for the TFA005715 and BC40 models, it ensures a snug fit and reliable performance. With this cap, you can enjoy peace of mind knowing your equipment is well-protected, allowing it to operate smoothly without the risk of damage from unwanted particles.
iFJF EC781 Aluminum Oil Filter Cap for Powerstroke
The iFJF Aluminum Oil Cap is designed to fit several Ford Powerstroke models from 2003 to 2010, including the F250, F350, F450, F550 Super Duty, and Excursion trucks. Made from durable 6061 T6 billet aluminum with an anodized finish, it offers a long-lasting and reliable upgrade over your factory plastic cap, preventing cracks during installation or removal. The built-in 1/8" port allows you to easily connect aftermarket pressure or temperature gauges, making it simple to monitor your engine’s condition. This cap replaces multiple part numbers, ensuring compatibility and convenience for your vehicle maintenance needs.
Quealzara Transmission Breather Cap for Honda Acura
The Quealzara Transmission Breather Cap is designed to fit a wide range of Honda and Acura models, offering you a reliable replacement part with numbers 21396-P20-000 and 21396P20000. This cap helps you maintain proper pressure inside your vehicle’s transmission, which keeps the internal environment stable and protects the gearbox from damage. By ensuring the right pressure balance, it prevents leaks and extends the life of your transmission. The package includes one breather cap, making it easy for you to replace the old or faulty part and keep your vehicle running smoothly.
LEMASSON Aluminum Engine Oil Cooler Housing 926-959
The LEMASSON Oil Cooler Housing is designed with a sturdy aluminum build, replacing the weaker plastic version to give you a longer-lasting part that can handle high pressure with ease. It’s made to fit perfectly with your vehicle’s original equipment, so you won’t have to worry about any modifications or complicated installations. This part is compatible with a wide range of 3.6L engines in popular Jeep, Dodge, Chrysler, and Ram models from 2011 to 2016, making it a versatile choice. Plus, every unit is carefully tested for leaks and durability, so you can trust it to keep your engine running smoothly without issues.
Try-H Oil Filter Housing Cap for Toyota Lexus Scion
The Try-H Oil Filter Cap is designed to fit a wide range of Toyota, Lexus, and Scion models, giving you confidence that it matches your vehicle perfectly. Made from durable ABS material, this cap resists corrosion and stands up well in fuel environments, so you can count on it to last. Its unique hollow hole design, along with a removable O-ring, helps create a tight seal that keeps dirt and leaks out, protecting your engine. Plus, the cap’s precise fit means you won’t need any modifications, making installation quick and hassle-free for you.
Dasbecan Aluminum Oil Filter Cap for Ford Vehicles
The Dasbecan Oil Filter Cap is crafted with durable aluminum housing, providing you with a long-lasting and reliable replacement part. Designed to fit a wide range of Ford and Lincoln models, this cap ensures a proper fit, helping you avoid leaks and maintain your engine’s performance. With the manufacturer part number FT4Z6A832C, you can easily confirm compatibility with your vehicle. This product is built to deliver dependable performance, making it a convenient and trustworthy choice for your oil filter needs.
Frequently Asked Questions (FAQs)
1. What does an oil breather cap do?
An oil breather cap is designed to allow built-up pressure in the crankcase to escape. This prevents oil leaks from gaskets, crank seals, dipstick tubes, and other engine oil seals. By venting the pressure, the oil is not blown out due to increased crankcase pressure.
2. What is a breather cap on a car?
A breather cap on a car seals the oil chamber to prevent leaks. It also includes a breather pipe that vents air to reduce pressure in the crankcase. When the breather cap or pipe is not functioning properly, affordable replacements can be found at automotive parts stores.
3. What is an oil breather pipe?
In older cars, an oil breather pipe simply vented to the atmosphere. However, in modern cars, the breather pipe vents back to the engine's inlet. This helps reduce emissions and prevents oily residue from being released directly onto the road.
4. What causes oil to blow out of the valve cover breather?
Several factors can cause oil to blow out of the valve cover breather, such as a dirty, damaged, or defective breather mechanism, aligned piston ring gaps, worn piston rings, or a blown head causing increased pressure to be blown out of the breather.
5. Is it OK to drive without an oil cap?
Driving without an oil cap is not recommended. It is best to perform a temporary repair or replace the cap as soon as possible. Continuing to drive without an oil cap can lead to potential oil leaks and other engine issues.
6. Do you need an oil filter cap?
Yes, an oil filter cap is necessary for cartridge-style engines. It ensures a tight seal and retains oil in the cartridge system. It is generally recommended to replace the cap every time you change the oil filter.
7. Can I drive without an oil filler cap?
Driving without an oil filler cap is not recommended. It is best to perform a temporary repair or replace the cap as soon as possible. Continuing to drive without an oil filler cap can lead to potential oil leaks and other engine issues.
8. Can a breather pipe leak oil?
If the crankcase breather is not maintained and cleaned at regular intervals, oil can leak from the crankcase breather hose or the mating surface between the crankcase breather and the engine. Regular maintenance is necessary to prevent such leaks.
9. Do you need a breather pipe?
A breather pipe is an essential component of a vehicle's crankcase ventilation system. It allows for the proper venting of gases and prevents the build-up of pressure in the crankcase. A functioning breather pipe is necessary for the overall health and performance of the engine.
10. What are the symptoms of a bad crankcase breather valve?
One common sign of a bad PCV (Positive Crankcase Ventilation) valve is a whistling or hissing sound coming from the engine. Other symptoms include a Check Engine warning light, decreased vehicle performance, and increased emissions. It is important to replace a faulty PCV valve to maintain optimal engine performance.
11. What are the symptoms of a clogged crankcase breather?
Symptoms of a clogged crankcase breather include oil leaks, excessively high idle, and a decrease in engine performance, power, and acceleration. Regular maintenance and cleaning of the breather system are necessary to prevent these issues.
During our oil breather & filter cap research, we found 24 oil breather & filter cap products and shortlisted 10 quality products. We collected and analyzed 8,109 customer reviews through our big data system to write the oil breather & filter caps list. We found that most customers choose oil breather & filter caps with an average price of $14.44.
The oil breather & filter caps are available for purchase. We have researched hundreds of brands and picked the top brands of oil breather & filter caps, including Dasbecan, A-Premium, Toyota, ZyloPlinx, Buyers Products Company. The seller of top 1 product has received honest feedback from 1,376 consumers with an average rating of 4.9.
Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.