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Audi S4 Engine Parts & Accessories

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ES#4499569 - CTS-EXH-TP-0019 - CTS Resonator Delete Kit - Get all the benefits of using this resonator delete without the high price tag. - CTS - Audi

Get all the benefits of using this resonator delete without the high price tag.

Brand:
CTS - Corporate Logo
ES#:
4499569
Mfg#:
CTS-EXH-TP-0019
Ships in 7 Business Days
ON SALE! SAVE 10%
$399.99

This product was last offered at the strikethrough price on
09-29-2026

$359.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4057386 - DPP-30T-MG1 -  APR 3.0T Stage 1 ECU Upgrade  - Expect massive gains with 431-480 HP with 467-549 FT-LBS of torque on tap, depending on octane, from this simple software upgrade! - APR - Audi

Expect massive gains with 431-480 HP with 467-549 FT-LBS of torque on tap, depending on octane, from this simple software upgrade! Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
4057386
Mfg#:
DPP-30T-MG1
In Stock
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1894630 - 06E145723A - Compressor Intercooler Gasket - Priced Each - Seals the intercooler ends to the rear of the supercharger compressor - Genuine Volkswagen Audi - Audi

Seals the intercooler ends to the rear of the supercharger compressor

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1894630
Mfg#:
06E145723A
Ships in 4 Business Days
4% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$50.00

This product was last offered at the strikethrough price on
11-01-2026

$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#466241 - N0138128 - Sealing Washer - Priced Each - Install new hardware with your new parts. 12x15.5x1.5 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 12x15.5x1.5 Seals the supply line from the fuel filter to the engine. Two required

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466241
Mfg#:
N0138128
In Stock
$4.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#284639 - 079109469AM - Guide Rail - Guide rail that the center timing chain rides - Genuine Volkswagen Audi - Audi

Guide rail that the center timing chain rides

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284639
Mfg#:
079109469AM
Ships Today
31% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$43.38

This product was last offered at the strikethrough price on
08-04-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3551002 - VWR180000 - Billet Magnetic Drain Plug - Priced Each - Capture harmful particles to prevent wear. M14x1.5 - Racingline - Audi Volkswagen MINI Porsche

Capture harmful particles to prevent wear. M14x1.5

Brand:
Racingline - Corporate Logo
ES#:
3551002
Mfg#:
VWR180000
Ships in 4 Business Days
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4620718 - CTS-ACC-005 - CTS Billet Washer Fluid Cap - Lose the plastic! - CTS - Audi Volkswagen

Lose the plastic!

Brand:
CTS - Corporate Logo
ES#:
4620718
Mfg#:
CTS-ACC-005
In Stock
ON SALE! SAVE 15%
$69.99

This product was last offered at the strikethrough price on
09-29-2026

$59.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2569854 - 078109119JKT3 - Timing Belt Kit - Ultimate Plus With Gates Racing Timing Belt & Cam Locking Tool - Looking for the best timing belt kit on the market? Look no further than ECS Tuning - Assembled By ECS - Audi

Looking for the best timing belt kit on the market? Look no further than ECS Tuning 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2569854
Mfg#:
078109119JKT3
Ships in 8 Business Days
ON SALE!
$717.99

This product was last offered at the strikethrough price on
08-28-2026

$713.76 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#261694 - 1K0955455 - Washer Fluid Reservoir Cap - Keep your washer fluid free from debris - Genuine Volkswagen Audi - Audi Volkswagen

Keep your washer fluid free from debris

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261694
Mfg#:
1K0955455
In Stock
5% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$21.99

This product was last offered at the strikethrough price on
07-06-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3712315 - 06E145100R - Vacuum Pump - Generates vacuum when under positive pressure - Rein - Audi Volkswagen

Generates vacuum when under positive pressure 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3712315
Mfg#:
06E145100R
Ships in 3 Business Days
$712.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3419393 - 8K0399151DB - Transmission Mount - Reduce excessive drivetrain vibrations - Febi - Audi Porsche

Reduce excessive drivetrain vibrations We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
3419393
Mfg#:
8K0399151DB
Ships in 1 Business Day
$89.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2834847 - 06E117070D - Oil Cooler Gasket - Seals the connection between the oil cooler and the engine - Victor Reinz - Audi

Seals the connection between the oil cooler and the engine

Brand:
Victor Reinz - Corporate Logo
ES#:
2834847
Mfg#:
06E117070D
In Stock
$11.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1917 - 034905101 - Ignition Coil Pack - Each - Replace that dead coil, connector included. - Beru - Audi

Replace that dead coil, connector included.

Brand:
Beru - Corporate Logo
ES#:
1917
Mfg#:
034905101
Ships in 1 day
$141.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2643208 - 078911023D -  Starter - New - New unit - No core charge required - Bosch - Audi Volkswagen

New unit - No core charge required We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2643208
Mfg#:
078911023D
Back Ordered
$727.99

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

$706.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3642149 - 8W0201801N - EVAPCANIST - Genuine Volkswagen Audi - Audi

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3642149
Mfg#:
8W0201801N
Ships in 8 Business Days
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$783.99

This product was last offered at the strikethrough price on
08-31-2026

$706.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2984918 - 10-10121 - Pro 5 R Drop In Filter - When maximum airflow is critical, featuring 5 layers of cotton gauze filtration material - AFE - Audi

When maximum airflow is critical, featuring 5 layers of cotton gauze filtration material

Brand:
AFE - Corporate Logo
ES#:
2984918
Mfg#:
10-10121
In Stock
20% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$110.00

This product was last offered at the strikethrough price on
05-13-2026

$88.00 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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