These performance retainers set at the top of the spring and used as an upgraded retainer.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4735318
Mfg#:
RET-AU5VE-T1
In Stock
Limited Qty Sale
$18.99
This product was last offered at the strikethrough price on 05-02-2026
Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Located in the coolant flange
Install a new o-ring for a proper seal. 36x3.15
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Rubber coolant hose that connects thermostat to coolant hard pipe
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Monitors coolant temperature for fan control & gauge readings
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2-pin temperature sensor located in lower radiator hose
Brand:
ES#:
4057463
Mfg#:
06A919501A
In Stock at Vendor
$33.99
This product was last offered at the strikethrough price on 01-16-2026
Connects the valve cover to the vent tubes
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! Up to VIN 8E-3-040000, split is in the 2003 model year
Located under the intake manifold
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms From VIN 8E-3-040001 up to VIN 8E-3-500000, splits are in the 2003 model year
DV100001 optional blue spring for 23-30 psi
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3021167
Mfg#:
Z1001791
Ships in 5 Business Days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$34.99
This product was last offered at the strikethrough price on 06-12-2026
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Lifetime Replacement
