Keep your cooling system efficient with a new thermostat and housing
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
Install new hardware with your new parts. M10x1.5
2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat! Used to secure the catalyst/downpipe to the turbo
Restore fuel economy and performance
2X Entries For Our 25th Anniversary Sweepstakes! 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
Featuring a copper core and ideal for chip tuned vehicles
We Price Match - Give Us A Call or Chat! One heat range colder than factory plugs - Beneficial to cars with basic performance upgrades
Includes the left (K04-025) & right (K04-026) side turbochargers with associated installation hardware
10X Entries For Our 25th Anniversary Sweepstakes! Does NOT include the RS4 or modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).
Brand:
ES#:
3247798
Mfg#:
5304988002526KT
Ships in 2 Business Days
$3214.00
This product was last offered at the strikethrough price on 06-19-2026
Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark!
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
To be used with the 2.0T coil pack conversion kits.
Brand:
ES#:
4376591
Mfg#:
MS100209-6KT
In Stock
ON SALE!
SAVE 10%
$221.99
This product was last offered at the strikethrough price on 07-31-2026
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
