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Audi S4 Engine Parts & Accessories

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Oil Level Sensor O-Ring

ES#2953981 - 038103196 - Oil Level Sensor O-Ring - Seals oil level sensor to the oil pan - URO - Audi Volkswagen

Seals oil level sensor to the oil pan 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#:
2953981
Mfg#:
038103196
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Street Transmission Mount - Priced each

ES#4830811 - CTS-TM-AUDI3-50D - Street Transmission Mount - Priced each - A perfect upgrade for your factory mounts - CTS - Audi

A perfect upgrade for your factory mounts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with Tiptronic transmissions only

Brand:
CTS - Corporate Logo
ES#:
4830811
Mfg#:
CTS-TM-AUDI3-50D
Ships in 7 Business Days
$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#272889 - 032121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Genuine Volkswagen Audi - Audi Volkswagen

Secures the coolant temperature sensor in place affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
272889
Mfg#:
032121142
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

R8 Caps & Black Washer Fluid Reservoir Cap Set

ES#2804151 - 009635ECS03KT - R8 Caps & Black Washer Fluid Reservoir Cap Set - Dress up your engine bay with a black washer reservoir cap and Audi R8 oil and expansion tank caps - Assembled By ECS - Audi Volkswagen

Dress up your engine bay with a black washer reservoir cap and Audi R8 oil and expansion tank caps 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#:
2804151
Mfg#:
009635ECS03KT
Ships in 2 Business Days
$423.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Bolt-On - 180mm)

ES#4017699 - CTS-HW-435 - CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Bolt-On - 180mm) - Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*NOTE: This kit must be used with appropriate "Stage 2" performance software.

Brand:
CTS - Corporate Logo
ES#:
4017699
Mfg#:
CTS-HW-435
Special Order: No Guaranteed ETA
ON SALE! SAVE 20%
$529.99

This product was last offered at the strikethrough price on
06-25-2026

$423.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Press-on - 180mm)

ES#4017693 - CTS-HW-433 - CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Press-on - 180mm) - Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*NOTE: This kit must be used with appropriate "Stage 2" performance software.

Brand:
CTS - Corporate Logo
ES#:
4017693
Mfg#:
CTS-HW-433
Special Order: No Guaranteed ETA
ON SALE! SAVE 20%
$529.99

This product was last offered at the strikethrough price on
06-25-2026

$423.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Power Steering Pump Pulley

ES#4907729 - 078145255H - Power Steering Pump Pulley - Replacement pulley for the power steering pump - Atlantic Automotive Engineering - Audi Volkswagen

Replacement pulley for the power steering pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Atlantic Automotive Engineering - Corporate Logo
ES#:
4907729
Mfg#:
078145255H
In Stock
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#468612 - N10610001 - Hex Bolt - Priced Each - Install new hardware with your new parts. M8x90 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x90 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the alternator to the mounting bracket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468612
Mfg#:
N10610001
In Stock
ON SALE! SAVE 12%
$9.99

This product was last offered at the strikethrough price on
06-25-2026

$8.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Belly Pan

ES#250161 - 8E0863821AL - Front Belly Pan - Keep your engine protected - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
250161
Mfg#:
8E0863821AL
Ships in 2 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.

$461.99

This product was last offered at the strikethrough price on
06-15-2026

$422.99 USD
This product is lifetime replacement eligible Lifetime Replacement

B8 S4 Carbon Fiber Left Side Engine Bay Cover - Red Carbon/Kevlar

ES#3638701 - 023149ECS02-02KT - B8 S4 Carbon Fiber Left Side Engine Bay Cover - Red Carbon/Kevlar - Cover up unsightly under hood components with red carbon fiber and kevlar style! - ECS - Audi

Cover up unsightly under hood components with red carbon fiber and kevlar style! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3638701
Mfg#:
023149ECS02-02KT
Ships on Aug 31, 2026
Auto Notify
ON SALE! SAVE 10%
$234.99

This product was last offered at the strikethrough price on
06-13-2026

$211.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket Set - Right

ES#2497342 - 077198025B - Valve Cover Gasket Set - Right - For cylinders 1-4 - Victor Reinz - Audi

For cylinders 1-4 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2497342
Mfg#:
077198025B
Ships in 6 Business Days
$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Installation Kit

ES#3678213 - wht001506akt2KT - Radiator Installation Kit - Install new hardware with your new radiator - Assembled By ECS - Audi

Install new hardware with your new radiator 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#:
3678213
Mfg#:
WHT001506AKT2KT
Ships in 1 day
ON SALE!
$150.99

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

$140.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Foam Air Filter

ES#4830102 - PX2011 - Performance Foam Air Filter - More air flow means more power! Direct replacement with long service life - Pipercross - Audi

More air flow means more power! Direct replacement with long service life affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pipercross - Corporate Logo
ES#:
4830102
Mfg#:
PX2011
Ships on Jul 21, 2026
$139.99 USD
Free Shipping
on orders $49 and up

Performance Air Filter

ES#253216 - e-1987 - Performance Air Filter - Drop-in performance filter - K&N - Audi

Drop-in performance filter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
K&N - Corporate Logo
ES#:
253216
Mfg#:
E-1987
Ships on Jul 16, 2026
$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Suction Pump

ES#2803814 - 058133753D - Suction Pump - Restore engine performance - Rein - Audi Volkswagen

Restore engine performance 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:
Rein - Corporate Logo
ES#:
2803814
Mfg#:
058133753D
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Tensioner Gasket - Center

ES#284587 - 079109139L - Upper Tensioner Gasket - Center - Seals the center timing chain tensioner to the engine - Genuine Volkswagen Audi - Audi

Seals the center timing chain tensioner to the engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284587
Mfg#:
079109139L
In Stock
$24.99

This product was last offered at the strikethrough price on
02-23-2026

$19.99 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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