Clip and o-ring sold separately
We Price Match - Give Us A Call or Chat!
Clip and o-ring sold separately
We Price Match - Give Us A Call or Chat!
Located on the left side of your vehicles cylinder head
ACC, AHU, & 1z Engine code with automatic transmission
Common area for coolant leaks - Located on cylinder head
10X Entries Into Our F80 M3 Sweepstakes
For vehicles with BPY engine code only
This product was last offered at the strikethrough price on
05-29-2026
Includes thermostat, housing gasket, and Water Pump Union
***Please see photos and description prior to ordering, all sales final.***
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!
This product was last offered at the strikethrough price on
10-03-2026
O-Ring between thermostat housing and cylinder head
Stop annoying VR6 coolant leaks. Replace your brittle, warped thermostat housing and matching cover with this direct-fit OEM refresh kit!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
08-28-2026
Left side of engine, facing front of car
Used with coolant flange and thrust ring to create a leak free seal
Located on the driver side of the cylinder head
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For model years 1985 - 1988 only
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Bypass pipe located underneath intake manifold. Also known as the crack pipe.
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Located on the front side of the cylinder head
We Price Match - Give Us A Call or Chat!
ACC Engine code only
This product was last offered at the strikethrough price on
05-07-2026
Located on the driver side of the cylinder head
Includes sealing o-ring.
AAZ engine code only.