(11531710055) - Water Pump O-ring (19.5x3.0mm) - for V8 and V12 engines (Genuine BMW) (1 available)

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Description:

 Water Pump O-ring (19.5x3.0mm) - for V8 and V12 engines (Genuine BMW) - It is often referred to by technicians as the "small" valley pan connection pipe seal to distinguish it from the larger 34.2mm O-ring (11531710048). This O-ring seals the ends of the smaller cooling bypass lines where they connect to the water pump housing and the rear water accumulator manifold. Standard service protocols mandate replacing two of these O-rings per vehicle anytime the coolant pipes or water pump are disassembled.

 

  • BMW 5 Series: E34 (1994–1995: 530i, 540i), E39 (1997–2003: 540i), and the V8-powered E39 M5.
  • BMW 7 Series: E32 (1988–1994: 740i, 750iL) and E38 (1995–2001: 740i, 740iL, 750iL).
  • BMW 8 Series: E31 (1991–1997: 840Ci, 850i, 850Ci, 850CSi).
  • BMW X5 Series: E53 (2000–2006: 4.4i and 4.6is V8 variants).
  • BMW Z8 Roadster: E52 Alpina V8 models (2003). 

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