Located on rear housing of cylinder head
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Brand:
ES#:
4689999
Mfg#:
06D103121B
In Stock
ON SALE!
SAVE 22%
$8.99
This product was last offered at the strikethrough price on 05-02-2026
Comes with everything you need to replace your incredibly heavy, OEM battery with a lightweight battery and relocate it to the trunk of your B6-B7 S4 or A4!
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Required software to properly upgrade to a K04 turbocharger
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! This upgrade must be performed at ECS Tuning's facility in Ohio. This upgrade can only be performed with the car present at our facility.
Connects the flange to the heater core pipe
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Brand:
ES#:
2627303
Mfg#:
8E1819371B
In Stock
$29.99
This product was last offered at the strikethrough price on 05-07-2026
Includes all gaskets and hardware
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Brand:
ES#:
2587509
Mfg#:
06F253039FKT3
Ships in 2 Business Days
ON SALE!
SAVE 14%
$201.99
This product was last offered at the strikethrough price on 05-02-2026
Connects the turbocharger to the hard water pipe
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Get the best timing belt kit with the added benefits of the Quick-Spool under drive pulley
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Brand:
ES#:
4338436
Mfg#:
06F198003B7KT1
Ships in 1-2 days
ON SALE!
$707.09
This product was last offered at the strikethrough price on 05-02-2026
Controls the boost pressure on turbocharger systems
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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.