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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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6U103281A - : Filler Cap Seal for Volkswagen Image

Filler Cap Seal

Volkswagen 06U-103-281-A
Engine code: dyla, dylb, upper components.
$5.55
MSRP $8.48
Save $2.93
34.6% Off
77217WB001 - : Filler Pipe Support Bracket for Toyota Image

Filler Pipe Support Bracket

Toyota 77217-WB001
#2 hatchback.
$11.57
MSRP $14.43
Save $2.86
19.8% Off
7L3Z6582B - : Valve Cover for Ford Image

Valve Cover

E150-350 vans. 5.4l. Expedition, Navigator. 5.4l. Sohc. Right. From 5/21/04. Engine Valve Cover.
$165.38
MSRP $225.00
Save $59.62
26.5% Off
LR004294 - : Engine Oil Filler Cap for Land-Rover Image

Engine Oil Filler Cap

Land-Rover LR004294
3.2L. Cap for area where engine oil is poured into an engine.
$24.42
53013775AB - : Oil Filler Cap for Mopar Image

Oil Filler Cap

Mopar 53013775AB
2.0L. 3.3L. 3.8L. 2.4L without turbo. 1.8L. 5.7L, 2005-08. Sedan, 2.4L. 5.7L, 2009-10. Cap for area where engine oil is poured into an...
$12.94
MSRP $16.70
Save $3.76
22.5% Off
176663W0A00 - : Fuel Filler Neck Bracket for Honda Image

Fuel Filler Neck Bracket

Without hydrogen. #1.
$8.45
MSRP $10.53
Save $2.08
19.8% Off
95510428701 - : Engine Oil Filler Cap O-Ring for Porsche Image

Engine Oil Filler Cap O-Ring

Porsche 955-104-287-01
3.2L.
$15.71
MSRP $18.95
Save $3.24
17.1% Off
7721848120 - : Fuel Filler Neck Bracket for Lexus Image

Fuel Filler Neck Bracket

Lexus 77218-48120
Fuel tank & components, #3. A bracket for a fuel filler neck.
$22.29
MSRP $27.25
Save $4.96
18.2% Off
1218038020 - : Filler Cap for Lexus Image

Filler Cap

Lexus 12180-38020
Type A. Incl.Gasket. 4.6L. 5.0L. To 01/2012.
$17.80
MSRP $21.77
Save $3.97
18.2% Off
172905NA0A - : Fuel Filler Neck Bracket for Infiniti Image

Fuel Filler Neck Bracket

Infiniti 17290-5NA0A
Fuel Filler Neck Insulator.
$13.85
MSRP $15.63
Save $1.78
11.4% Off
6B103485D - : Engine Oil Filler Cap for Volkswagen Image

Engine Oil Filler Cap

Volkswagen 06B-103-485-D
Incl.Gasket. Cap for area where engine oil is poured into an engine.
$15.16
MSRP $23.18
Save $8.02
34.6% Off
6Q103485E - : Engine Oil Filler Cap for Audi Image

Engine Oil Filler Cap

Incl.Gasket. Cap for area where engine oil is poured into an engine.
$19.10
MSRP $27.98
Save $8.88
31.7% Off
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