Install new hardware with your new parts.
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Keep proper pressure in your coolant system
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Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4691027
Mfg#:
8W1121405NKT
Ships in 1 day
$577.99
This product was last offered at the strikethrough price on 01-07-2026
Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4691355
Mfg#:
8W1121405N1KT
Ships in 10 Business Days
$434.99 USD
Free Shipping
on orders $49 and up
Partial Replacement
More About Cooling Expansion Tank Parts
A common source of overheating problems is a broken or leaking coolant expansion tank. Replace it with an OEM coolant expansion tank or quality aftermarket expansion tank to prevent future woes.
Lifetime Replacement
