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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

Connection flange

BMW Part Number:11 53 1 721 966
11531721966short number 1721966
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One email the moment one is listed — nothing else.

Fits E36 — 318i, 318is, 318ti
Select your vehicle to check fitment

Genuine BMW Part

Photos coming soon — see the BMW diagram below

Connection flange – BMW diagram05 View BMW DiagramSee this part on the official exploded view

Genuine BMW part 11 53 1 721 966: Connection flange. The number stamped on the part is 11531721966; BMW's catalog files it under the short number 1721966. You will find it on our Engine shelf, under Thermostat and coolant lines.

It fits the E36 sedan, coupe, convertible and compact (318i and 318ti, 1992–1999), with the M42 engine.

BMW draws it on 2 diagrams, among them Waterpump - Thermostat (11_0559) and Waterpump - Thermostat (11_4337). It weighs about 380 g (0.8 lb).

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 1 721 966
Also written as115317219661721966
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.