Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and o-rings
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4699573
Mfg#:
06L121111P
In Stock
ON SALE!
SAVE 10%
$245.99
This product was last offered at the strikethrough price on 05-02-2026
Includes thermostat, water pump, gasket, and belt!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Brand:
ES#:
3624235
Mfg#:
06L121111J
In Stock
$323.99
This product was last offered at the strikethrough price on 04-07-2026
Includes thermostat, water pump, belt, union, and O-rings.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and belt.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5425238
Mfg#:
06L121111J
In Stock
ON SALE!
SAVE 20%
$265.99
This product was last offered at the strikethrough price on 05-02-2026
The last thermostat housing you'll ever need!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Replace your inferior plastic housings
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Modification to water pipe may be required. Please see description for details.
Aluminum design - Located on the front right of the engine block
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! Aluminum housing used on the B5 S4 - Commonly used as a factory upgrade for the OE plastic piece
Upgrade to durable cast aluminum construction & say goodbye to failure-prone plastic!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Not for Vehicles with Engine Codes CYFB, DJJA, or DLRA
Common point of failure or leaking for the cooling system
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4342251
Mfg#:
022121117CS1
In Stock
$66.99
This product was last offered at the strikethrough price on 04-13-2026
Keep your cooling system efficient with a new thermostat and housing
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Aluminum housing used on the B5 S4 - Commonly used as a factory upgrade for the OE plastic piece
Brand:
ES#:
3659374
Mfg#:
07812112JKT4
In Stock
ON SALE!
$180.99
This product was last offered at the strikethrough price on 01-03-2026
Replace your inferior plastic housing
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Modification to water pipe may be required. Please see description for details.
Install new hardware with your new parts. M7x28
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Secures thermostat housing to engine block - 2 needed total
Brand:
ES#:
261191
Mfg#:
N90735604
In Stock
2% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$4.18
This product was last offered at the strikethrough price on 06-12-2026
Lifetime Replacement
