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Why Oil Filler Caps Matter for Your Vehicle's Engine Health

At AutoNation, we understand the importance of maintaining your oil filler cap in good condition. These small but vital components create an essential seal that keeps engine oil clean and prevents contamination. Many drivers overlook this simple part until problems arise, such as oil leaks or engine performance issues. Your vehicle's engine relies on clean, properly maintained oil to function correctly.

Signs You Need a New Oil Filler Cap

Oil filler caps typically need replacement when their seals wear out or the cap becomes damaged. Watch for oil spots under your vehicle, burning oil smell, or engine oil that appears dirty shortly after an oil change. A damaged or missing cap can allow debris to enter your engine's oil system, potentially causing significant damage.

Choosing the Right Replacement

AutoNation stocks genuine OEM oil filler caps designed specifically for your vehicle make and model. Related components that often need attention include your oil pump, oil pan gasket, and oil filter. These parts work together to keep your engine properly lubricated.

Professional Installation Tips

When installing a new oil filler cap, ensure the threads align properly and the cap sits flush. Check that the rubber seal is intact and properly seated. Avoid overtightening, as this can damage both the cap and the valve cover.

From routine maintenance to major overhauls, AutoNation has got you covered.

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42052AJ52A - : Fuel Filler Neck Bracket for Subaru Image

Fuel Filler Neck Bracket

Subaru 42052AJ52A
Tank & filler pipe, type 1. A bracket for a fuel filler neck.
$5.00
MSRP $6.27
Save $1.27
20.3% Off
772170E050 - : Filler Pipe Support for Lexus Image

Filler Pipe Support

Lexus 77217-0E050
With hybrid fuel pump & filler pipe. #1. Without hybrid fuel pump & filler pipe. #3.
$8.15
MSRP $9.96
Save $1.81
18.2% Off
EBC8087 - : Engine Oil Filler Cap for Jaguar Image

Engine Oil Filler Cap

Jaguar EBC8087
Location-Valve Cover. Cap for area where engine oil is poured into an engine.
$44.03
MSRP $55.68
Save $11.65
20.9% Off
7721933030 - : Fuel Filler Neck Insulator for Toyota Image

Fuel Filler Neck Insulator

Toyota 77219-33030
Japan built only. 2004-07 fuel tank & components.
$11.47
MSRP $14.29
Save $2.82
19.7% Off
1218046010 - : Engine Oil Filler Cap for Toyota Image

Engine Oil Filler Cap

Toyota 1218046010
Cap for area where engine oil is poured into an engine.
$17.48
MSRP $21.77
Save $4.29
19.7% Off
7728106170 - : Fuel Filler Neck Clamp for Toyota Image

Fuel Filler Neck Clamp

Toyota 77281-06170
Fwd us built. Japan built. Fuel Filler Neck Clamp.
$16.54
MSRP $20.61
Save $4.07
19.7% Off
772820C010 - : Fuel Filler Neck Bracket for Toyota Image

Fuel Filler Neck Bracket

Toyota 77282-0C010
32-gallon. 22-gallon.
$77.51
MSRP $98.12
Save $20.61
21% Off
6504998AA - : Hose Clamp for Mopar Image

Hose Clamp

Mopar 6504998AA
Filler Tube End. Filler tube to fuel tank. Fuel Fill Tube to Vent Hose. Hose to Tank. Fuel Fill Hose to Fill Tube. Fuel Fill Hose to...
$6.41
MSRP $8.45
Save $2.04
24.1% Off
7721806020 - : Fuel Filler Neck Bracket for Toyota Image

Fuel Filler Neck Bracket

Toyota 77218-06020
#3.
$17.74
MSRP $22.11
Save $4.37
19.8% Off
CWJ210252 - : Engine Oil Filler Cap Seal for Mazda Image

Engine Oil Filler Cap Seal

Mazda CWJ2-10-252
2.5L hybrid.
$19.20
MSRP $24.68
Save $5.48
22.2% Off
BCKB42239 - : Filler Hose Clamp for Mazda Image

Filler Hose Clamp

Mazda BCKB-42-239
Awd, tank & components, upper. Japan built fwd. upper. Japan built, awd, upper. Tank & components, without hybrid, upper. Fwd, tank &...
$5.33
MSRP $6.86
Save $1.53
22.3% Off
11127565165 - : Filler Cap Gasket for BMW Image

Filler Cap Gasket

Coupe & convertible, 3.0L without turbo. 2007-10. 3.0L gas. 3.0L non turbo.
$10.16
MSRP $13.63
Save $3.47
25.5% Off
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