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Audi S4 Engine Parts & Accessories

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ES#4691036 - 8W1121405N - Coolant Expansion Tank - Includes integrated coolant level sensor - Hudson - Audi

Includes integrated coolant level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
4691036
Mfg#:
8W1121405N
Ships in 4 Business Days
$198.00 USD
Free Shipping
on orders $49 and up
ES#2855824 - FMSCPS53TIK - Supercharger Pulley Removal Tool - Used to remove the supercharger pulley on 3.0T engines - Forge - Audi Porsche

Used to remove the supercharger pulley on 3.0T engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
2855824
Mfg#:
FMSCPS53TIK
Ships in 3 Business Days
ON SALE! SAVE 10%
$218.99

This product was last offered at the strikethrough price on
07-01-2026

$196.40 USD
Free Shipping
on orders $49 and up
ES#2178946 - 06E109417P - Roller Rocker Arm - Priced Each - Applies cam movement to the intake & exhaust valves - Genuine Volkswagen Audi - Audi Volkswagen

Applies cam movement to the intake & exhaust valves affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2178946
Mfg#:
06E109417P
In Stock
ON SALE! SAVE 11%
$24.51

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

$21.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#45 - 078198479kt - Timing Belt Kit - Standard - Includes the basic components to service your timing belt - Assembled By ECS - Audi Volkswagen

Includes the basic components to service your timing belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
45
Mfg#:
078198479KT
In Stock
ON SALE! SAVE 12%
$110.99

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

$97.72 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2598295 - 035103245A - Pressure Control Valve (PCV) - (19mm) - Located under the intake manifold - URO - Audi Volkswagen

Located under the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2598295
Mfg#:
035103245A
In Stock
$8.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2637221 - 204-4207 - ARP Head Stud Kit - High strength cylinder head stud kit - ARP - Audi

High strength cylinder head stud kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
2637221
Mfg#:
204-4207
Ships on Jul 21, 2026
$194.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4030740 - 15WB-482 - ITG Drop-In Profilter  - High grade drop-in filter for your Audi, designed for road or competition use - ITG Air Filters  - Audi

High grade drop-in filter for your Audi, designed for road or competition use affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ITG Air Filters  - Corporate Logo
ES#:
4030740
Mfg#:
15WB-482
Ships in 3 Business Days
$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4858475 - 034-201-3057 - Head Gasket Set - The head gaskets must be replaced when removing your cylinder heads, and upgrading or replacing your factory head studs on the EA839 engine. - 034Motorsport - Audi

The head gaskets must be replaced when removing your cylinder heads, and upgrading or replacing your factory head studs on the EA839 engine. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858475
Mfg#:
034-201-3057
Ships in 2 Business Days
ON SALE! SAVE 10%
$216.00

This product was last offered at the strikethrough price on
06-28-2026

$194.40 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stop coolant loss and cure a fogged windshield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
4140429
Mfg#:
8E1820031
In Stock at Vendor
$194.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2593128 - 079109229L - Engine Timing Chain - Replacement timing chain for required maintenance - Iwis - Audi

Replacement timing chain for required maintenance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Iwis - Corporate Logo
ES#:
2593128
Mfg#:
079109229L
In Stock
ON SALE! SAVE 22%
$49.53

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

$38.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3437888 - 078905377 - Knock Sensor - Brown Connector - Priced Each  - Detects engine ping for timing adjustment - Facet - Audi

Detects engine ping for timing adjustment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8D-X-260001, split is in the 1999 model year

Brand:
Facet - Corporate Logo
ES#:
3437888
Mfg#:
078905377
In Stock at Vendor
$48.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#289278 - 100109001B - Valve Stem Seal Fitting Sleeve - This may be necessary for proper installation of the valve stem seals - Genuine Volkswagen Audi - Audi Volkswagen

This may be necessary for proper installation of the valve stem seals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
289278
Mfg#:
100109001B
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2607085 - 8K0807081D9B9 - Front Engine Bay Cover - Located between the front bumper and core support - Genuine Volkswagen Audi - Audi

Located between the front bumper and core support affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From production date 1/22/2013

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2607085
Mfg#:
8K0807081D9B9
Ships in 1-2 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.

$210.00

This product was last offered at the strikethrough price on
07-02-2026

$192.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2738368 - 005707ECS01A - Magnetic Oil Drain Plug - Capture harmful particles to prevent wear. M26x1.5 - ECS - Audi Volkswagen

Capture harmful particles to prevent wear. M26x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2738368
Mfg#:
005707ECS01A
In Stock
ON SALE! SAVE 35%
$36.99

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

$24.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#7198 - 8D0199339P - Snub Mount - Reduce excessive engine vibrations - Corteco - Audi Volkswagen

Reduce excessive engine vibrations affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Corteco - Corporate Logo
ES#:
7198
Mfg#:
8D0199339P
In Stock at Vendor
$15.03

This product was last offered at the strikethrough price on
02-12-2026

$14.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4663 - 034103383AD - Cylinder Head Gasket - Not a set, just a head gasket - Victor Reinz - Audi

Not a set, just a head gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
4663
Mfg#:
034103383AD
In Stock at Vendor
$97.99

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

$95.99 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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