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Audi S4 Engine Parts & Accessories

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Seals the intake manifolds to the cylinder heads affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Meistersatz - Corporate Logo
ES#:
4150844
Mfg#:
079129717B
Ships in 3 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upgrade your Milltek system to Valve Sonic affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
Milltek Sport - Corporate Logo
ES#:
2973066
Mfg#:
MSAUVS01KT
Ships in 3 Business Days
$2518.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Keep your engine running smooth affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NGK - Corporate Logo
ES#:
5480850
Mfg#:
06E905115E
In Stock at Vendor
$45.99 USD

Used to circulate coolant as determined by the ECU We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
4772354
Mfg#:
06H121601M
Ships in 6 Business Days
$122.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Increases the filter’s surface area and is washable, compared to standard filters which trap dust on the surface. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
REVO - Corporate Logo
ES#:
4499786
Mfg#:
RA222M700101
Ships in 8 Business Days
$133.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replaces the failure-prone factory diaphragm for rock-solid boost control affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
5456834
Mfg#:
VWR144002
Ships in 3 Business Days
$440.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Includes integrated coolant level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5470754
Mfg#:
8W1121405N
Ships in 3 Business Days
$100.99 USD
Free Shipping
on orders $49 and up

Securely mount an Odyssey battery in your Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
2839920
Mfg#:
EL4235
Ships in 5 Business Days
$149.00 USD
Free Shipping
on orders $49 and up

Securely mount an Odyssey battery in your Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
2839925
Mfg#:
EL4337
Ships in 5 Business Days
$139.00 USD
Free Shipping
on orders $49 and up

Securely mount an Odyssey battery in your Audi and add provisions for a switch affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
2839926
Mfg#:
EL4338
Ships in 5 Business Days
$159.00 USD
Free Shipping
on orders $49 and up

Securely mount an Odyssey battery in your Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
2839921
Mfg#:
EL4237
Ships in 5 Business Days
$149.00 USD
Free Shipping
on orders $49 and up

Securely mount an Odyssey battery in your Audi and add provisions for a switch affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
2839922
Mfg#:
EL4238
Ships in 5 Business Days
$159.00 USD
Free Shipping
on orders $49 and up

Securely mount an Odyssey battery in your Audi and add provisions for a switch affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
2839919
Mfg#:
EL4234
Ships in 5 Business Days
$159.00 USD
Free Shipping
on orders $49 and up

Includes the spark plug boot affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SMP - Corporate Logo
ES#:
4142131
Mfg#:
058905105
In Stock at Vendor
$45.99

This product was last offered at the strikethrough price on
02-05-2026

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Located on the rear of the supercharger

Brand:
SMP - Corporate Logo
ES#:
4135620
Mfg#:
03C906051F
In Stock at Vendor
$37.99

This product was last offered at the strikethrough price on
02-05-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Controls actuation of the Combi Valve or Diverter Valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine codes ATW & AWM

Brand:
SMP - Corporate Logo
ES#:
4142136
Mfg#:
026906283J
In Stock at Vendor
$306.99

This product was last offered at the strikethrough price on
05-07-2026

$297.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

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.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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