Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head
Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head
Ensure a proper seal when installing your new thermostat. 50x4
Install new hardware with your new parts. 22x29x1.50
Replace leaking hoses
For vehicles with ALH engine code with manual transmission only
This product was last offered at the strikethrough price on
05-02-2026
Common source of undiscoverable coolant leaks
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For vehicles with ALH engine code only
Electrical connection to coolant glow plug
Coolant Glow Plug Harness. For vehicles with manual transmission only - 3 required
Larger of the two fans found behind the radiator (3-pin)
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This product was last offered at the strikethrough price on
05-02-2026
Replacement 4 pin relay
This product was last offered at the strikethrough price on
05-07-2026
Common point of failure for the cooling system on your TDI
For vehicles with BEW engine code only
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
07-29-2026
Square connector with rounded ends
For vehicles with square connector only
Replace brittle plastic parts.
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
07-29-2026
Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank
Keep your coolant flowing to prevent overheating
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For vehicles with BEW engine code only
Updated <font color='green'>Green</font> sensor with square/round connector. Please check existing sensor color
Used in many locations in the cooling system
Used in the cooling system to connect two main radiator hoses and the hose to the throttle body
2X Entries For Our 25th Anniversary Sweepstakes!
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For vehicles with a VIN up to 1C-W-499 000, split is in the 1998 model year