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Audi B8/B8.5 S4 Quattro 3.0T

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Audi B8/B8.5 S4 Quattro 3.0T Most Popular Parts

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Thermostat

ES#3419083 - 06E121111AL - Thermostat - Includes sealing gasket and housing - Rein - Audi Volkswagen

Includes sealing gasket and housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3419083
Mfg#:
06E121111AL
In Stock
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount Set

ES#2966470 - 8R0198381H - Engine Mount Set - Includes both engine mounts - Hamburg Tech - Audi

Includes both engine mounts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to the 2012 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
2966470
Mfg#:
8R0198381H
In Stock
$290.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#4759993 - 06E121111AL - Thermostat - Includes sealing gasket and housing - Bremmen Parts - Audi Volkswagen

Includes sealing gasket and housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759993
Mfg#:
06E121111AL
In Stock
ON SALE! SAVE 15%
$50.99

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

$43.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve - Priced Each

ES#2575254 - 037906283C - Solenoid Valve - Priced Each - Common cure for DTC P0441 - Pierburg - Audi Volkswagen

Common cure for DTC P0441 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
2575254
Mfg#:
037906283C
In Stock
$99.99

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

$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Intake Manifold Gasket - Priced Each

ES#2535645 - 079129717B - Lower Intake Manifold Gasket - Priced Each - Seals the intake manifolds to the cylinder heads - Victor Reinz - Audi

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

Brand:
Victor Reinz - Corporate Logo
ES#:
2535645
Mfg#:
079129717B
In Stock
$4.99

This product was last offered at the strikethrough price on
04-06-2026

$3.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

19" Style 040 Wheels - Set Of Four

ES#2771265 - 040-7KT - 19" Style 040 Wheels - Set Of Four - 19"x8.5" ET35 66.6CB 5x112 - Hyper Silver/Machined Face - Alzor - Audi BMW MINI

19"x8.5" ET35 66.6CB 5x112 - Hyper Silver/Machined Face affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Wheel spacers may be necessary for front caliper clearance

Brand:
Alzor - Corporate Logo
ES#:
2771265
Mfg#:
040-7KT
In Stock
ON SALE! SAVE 25%
$1300.00

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

$975.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Bypass Valve

ES#4140119 - 057128063G - Supercharger Bypass Valve - Releases air pressure when off throttle - Hudson - Audi

Releases air pressure when off throttle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
4140119
Mfg#:
057128063G
In Stock
$433.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Gasket Kit

ES#4365148 - 06e145601KT - Supercharger Gasket Kit - Includes all gaskets and seals to rebuild your supercharger - Assembled By ECS - Audi

Includes all gaskets and seals to rebuild your supercharger 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#:
4365148
Mfg#:
06E145601KT
In Stock
ON SALE! SAVE 14%
$222.00

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

$189.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Special Active Shock Absorber - Priced Each

ES#3560586 - 80451265 - Rear Special Active Shock Absorber - Priced Each - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vehicles equipped with Electronic Damping Control (EDC) will lose factory shock damping and receive a system error code

Brand:
Koni - Corporate Logo
ES#:
3560586
Mfg#:
80451265
In Stock
ON SALE! SAVE 20%
$161.22

This product was last offered at the strikethrough price on
02-27-2026

$128.62 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Rear Diffuser - Audi B8 A4/S4 Pre-facelift

ES#3200799 - 021532ECS01A - Carbon Fiber Rear Diffuser - Audi B8 A4/S4 Pre-facelift - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
3200799
Mfg#:
021532ECS01A
In Stock
ON SALE! SAVE 30%
$999.99

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

$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Core IE Performance ECU Tune - Includes TCU Tune & POWERlink Cable

ES#3706797 - iesocgj1tcu - Core IE Performance ECU Tune - Includes TCU Tune & POWERlink Cable - Average gain of 104 horsepower and 85 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 104 horsepower and 85 lb-ft of torque on 91 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
For vehicles with DSG transmission only

Brand:
Integrated Engineering - Corporate Logo
ES#:
3706797
Mfg#:
IESOCGJ1TCU
In Stock
$1098.99 USD
Free Shipping

Density Line Front Upper Strut Mount - Priced Each

ES#2966732 - 034-601-1003-TD - Density Line Front Upper Strut Mount - Priced Each - Approximately twice as stiff as stock, for increased firmness and vehicle control - 034Motorsport - Audi

Approximately twice as stiff as stock, for increased firmness and vehicle control affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2966732
Mfg#:
034-601-1003-TD
Ships on Jul 13, 2026
Auto Notify
$46.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exact-Fit Stainless Steel Clutch Line

ES#3200644 - 017626ECS01 - Exact-Fit Stainless Steel Clutch Line - Improve clutch pedal feel with this simple, yet dramatic upgrade - ECS - Audi

Improve clutch pedal feel with this simple, yet dramatic upgrade affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3200644
Mfg#:
017626ECS01
In Stock
ON SALE! SAVE 20%
$87.99

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

$70.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechatronic Unit With Software

ES#2773366 - 8K9927156A - Mechatronic Unit With Software - New mechatronics unit to replace your faulty unit - Controls S-Tronic shifting characteristics - Genuine Volkswagen Audi - Audi

New mechatronics unit to replace your faulty unit - Controls S-Tronic shifting characteristics affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For S-Tronic (DSG) transmissions with code MSE, NGY, or PDG - Please check with VIN prior to ordering

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2773366
Mfg#:
8K9927156A
Ships in 9 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.

$3994.99

This product was last offered at the strikethrough price on
06-11-2026

$3824.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4620044 - 06E905115GKT16 - Performance Ignition Service Kit - Includes six ECS Performance red coil packs and six NGK spark plugs - Assembled By ECS - Audi

Includes six ECS Performance red coil packs and six NGK spark plugs 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#:
4620044
Mfg#:
06E905115GKT16
Ships on Aug 4, 2026
Auto Notify
ON SALE! SAVE 14%
$276.99

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

$238.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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