Dress up your engine bay with black expansion tank and washer reservoir caps to replace the old blue ones
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2804150
Mfg#:
009635ECS02KT
In Stock
ON SALE!
SAVE 22%
$39.36
This product was last offered at the strikethrough price on 05-02-2026
Located on the cylinder head
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms From production date 06/02/2014 up to production date 08/22/2016
Order Block (Dealer Only) - Reserved for warranty repairs
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Fits from the 2013 model year
Brand:
ES#:
3179113
Mfg#:
079959231G
Ships in 4 Business Days
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$975.99
This product was last offered at the strikethrough price on 07-07-2026
Does not include the crush washer. M14x1.5
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Brand:
ES#:
2827074
Mfg#:
N91167901
In Stock
$4.99
This product was last offered at the strikethrough price on 02-09-2026
Keep proper pressure in your coolant system
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Brand:
ES#:
4858532
Mfg#:
2Q0121321A
In Stock
ON SALE!
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$19.99
This product was last offered at the strikethrough price on 05-02-2026
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Part must be ordered with a VIN supplied. Please supply matching VIN when ordering.
Brand:
ES#:
4373508
Mfg#:
06E109465BL
Ships in 4 Business Days
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$331.99
This product was last offered at the strikethrough price on 07-07-2026
A ball valve system, which allows the engine to reach operating temperatures quicker.
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Brand:
ES#:
4812473
Mfg#:
079121678K
Ships in 1-2 days
$305.99
This product was last offered at the strikethrough price on 05-07-2026
This upgrade smooths out the exhaust note for a more refined sound profile while also increasing peak torque.
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! To be used with APR Race downpipe or the APR S6/S7/RS6/RS7 Cat-Back Exhaust Systems
Brand:
ES#:
3985156
Mfg#:
CBK0027
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.
$328.99
This product was last offered at the strikethrough price on 07-07-2026
Seals the connection point for the crankcase vent valve - Located in the valley between the cylinder heads
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Brand:
ES#:
2536134
Mfg#:
079103161Q
In Stock
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$19.32
This product was last offered at the strikethrough price on 07-07-2026
Let your turbos blow off some air for an exhilarating driving experience!
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Only Compatible with C revision diverter valves (06H145710C) Available at ES#3085659
Brand:
ES#:
4491603
Mfg#:
025254ECSSILKT
In Stock
ON SALE!
SAVE 25%
$158.99
This product was last offered at the strikethrough price on 06-13-2026
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.