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
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.
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!
Brand:
ES#:
3086042
Mfg#:
006660ECS01
In Stock
ON SALE!
SAVE 40%
$83.99
This product was last offered at the strikethrough price on 05-02-2026
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
Brand:
ES#:
4920775
Mfg#:
054443LA01KT
In Stock
ON SALE!
SAVE 20%
$101.99
This product was last offered at the strikethrough price on 05-02-2026
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
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.
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
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 06-06-2026