Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank
Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank
Runs from the throttle body to multiple points in the cooling system
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-31-2026
O-Ring between cover & oil cooler. 62.8mm
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-18-2026
Square connector with rounded ends
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For vehicles with square connector only
O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55
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When replacing or reinstalling your radiator do not reuse your old, worn radiator mounts.
For vehicles with factory air conditioning
This product was last offered at the strikethrough price on
08-31-2026
1 large 4 pin connector and 1 small 10 pin connector
For vehicles with VIN up to 1J-X-800000, split is in the 1999 model year, vehicles with 10 pin connectors only
This product was last offered at the strikethrough price on
05-07-2026
Includes everything in Stage 1 kit plus coolant - Features OEM plastic water pipe
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
Includes all needed to plug a sensor hole
1 large 4 pin connector and 1 small 14 pin connector
For vehicles with VIN from 1J-Y-000001 only, split is in the 2000 model year
Common source of undiscoverable coolant leaks
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
1 large 4 pin connector and 1 small 10 pin connector
10X Entries Into Our F80 M3 Sweepstakes
For vehicles with VIN up to 1J-X-800000, split is in the 1999 model year, vehicles with 10 pin connectors only
This product was last offered at the strikethrough price on
09-16-2026
O-Ring between thermostat housing and cylinder head
This product was last offered at the strikethrough price on
04-28-2026
Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head
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Keep your cooling system leak free
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Seal for most clip-in cooling sensors/senders. M19.6x3.6mm
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!