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FREE SHIPPING on US orders over $75 (oversize excepted) • Quality used E36 & E46 parts • Every part inspected & graded
3 Series Parts

O-ring

BMW Part Number:11 53 1 318 402
11531318402short number 1318402
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One email the moment one is listed — nothing else.

Fits E36 / E46 — M3, M3 3.2, M3 CSL
Select your vehicle to check fitment

Genuine BMW Part

Photos coming soon — see the BMW diagram below

O-ring – BMW diagram09 View BMW DiagramSee this part on the official exploded view

What's Included

O-ring — a genuine BMW part, number 11 53 1 318 402. The number stamped on the part is 11531318402; BMW's catalog files it under the short number 1318402. You will find it on our Engine shelf, under Thermostat and coolant lines.

It fits the E36 sedan, coupe and convertible (M3, 1995–1999), with the S50 engine. It also fits the E46 coupe and convertible (M3, 2001–2006), with the S54 engine.

BMW draws it on 4 diagrams, among them Waterpump - Thermostat (11_1321) and Waterpump - Thermostat (11_3010). It also comes in BMW kits Gasket Set Engine Block Asbesto Free (1402381) and Gasket set cylinder head asbestos free (1402384) and 4 more.

We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.

Details

BMW Part Number11 53 1 318 402
Also written as115313184021318402
QualityGenuine BMW · OEM

Every used part is inspected and graded before listing. Condition grades:

  • Good — minimal wear, fully functional.
  • Fair — normal wear, fully functional.
  • Acceptable — visible wear, still functional.

Returns: 30 days if a part arrives damaged or isn't what the listing described. Full policy.

Shipping: Ships within the US. Orders ship within 1–2 business days; small parcels ship free on orders of $75.00 or more. Oversize items ship at a flat $49.99 each — free shipping does not cover them.