Comprehensive kit includes the left & right side RS4 K04 turbochargers, 034Motorsport RS4 Inlet Pipe set, and associated installation hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! *2003 and 2004 A6 and Allroad 2.7T's with automatic transmissions have a different downpipe design, and some modification is required for installation.*
Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5271
Mfg#:
001564ECS01
In Stock
ON SALE!
SAVE 15%
$229.99
This product was last offered at the strikethrough price on 05-02-2026
Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
Standard sized valve head diameter, factory triple groove keeper setup
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *Valves priced individually - For 1.8T - qty 8 needed / For 2.7T - qty 12 needed - Please see long description for additional valve seal/keeper informati
Includes Mann oil filter and Liqui-Moly High Tech 5w-40 oil
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Updated <font color='green'>Green</font> sensor with square/round connector. Please check existing sensor color
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Restore fuel economy and performance
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! From the B5 RS4 - Features a larger diameter housing allowing increased air flow on high boost applications
Brand:
ES#:
252386
Mfg#:
077133471K
In Stock
$280.99
This product was last offered at the strikethrough price on 04-02-2026
Install new hardware with your new parts. M10x1.5
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! Used to secure the catalyst/downpipe to the turbo
All hardware & gaskets to install new 2.7T turbochargers.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For manual transmission vehicles. For automatic transmission vehicles up to the 2002 model year
Brand:
ES#:
1346
Mfg#:
RS4KO4INSTKIT
In Stock
$67.99
This product was last offered at the strikethrough price on 05-20-2026
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
