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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 51 7 788 984
11517788984short number 7788984
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One email the moment one is listed — nothing else.

Fits E46 — 318d, 318td, 320Cd, 320d, 320td, 330Cd, 330d, 330xd
Select your vehicle to check fitment

Genuine BMW Part

Photos coming soon — see the BMW diagram below

O-ring – BMW diagram08 View BMW DiagramSee this part on the official exploded view

What's Included

Genuine BMW part 11 51 7 788 984: O-ring. The number stamped on the part is 11517788984; BMW's catalog files it under the short number 7788984. You will find it on our Engine shelf, under Coolant pump with drive.

It fits every E46 body style (318d, 318td, 320d, 320td and 330d, 1999–2005), with the M47N, M57 or M57N engines.

BMW draws it on 3 diagrams, among them Waterpump - Thermostat (11_2842) and Waterpump - Thermostat (11_3324). It also comes in BMW kits Gasket Set Engine Block Asbesto Free (0150669) and Gasket Set Engine Block Asbesto Free (0394505) 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 51 7 788 984
Also written as115177889847788984
QualityGenuine BMW · OEM
CompactM47NAllAT91

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.