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Audi S4 Most Popular Parts

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Fuel Injector Repair Kit - Set Of Six

ES#3690284 - 06e998907eKT1 - Fuel Injector Repair Kit - Set Of Six - The perfect kit to service all six injectors - Genuine Volkswagen Audi - Audi

The perfect kit to service all six injectors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3690284
Mfg#:
06E998907EKT1
In Stock
$345.99

This product was last offered at the strikethrough price on
04-09-2026

$344.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE HPFP Internal Upgrade Kit

ES#4706078 - iefuvz1KT - IE HPFP Internal Upgrade Kit - The largest volume possible piston and cylinder design to unlock fuel delivery for hybrid turbos and Stage 1/2 Plus ECU tunes. - Integrated Engineering - Audi

The largest volume possible piston and cylinder design to unlock fuel delivery for hybrid turbos and Stage 1/2 Plus ECU tunes. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4706078
Mfg#:
IEFUVZ1KT
In Stock
$448.99 USD
Free Shipping
on orders $49 and up

Oil Pressure Check Valve - Priced Each

ES#4815715 - 059103175F - Oil Pressure Check Valve - Priced Each - Located under the cylinder block ventilation cover - URO - Audi

Located under the cylinder block ventilation cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4815715
Mfg#:
059103175F
In Stock
$66.99 USD
Free Shipping
on orders $49 and up

Lower Timing Chain Tensioner

ES#280744 - 06E109507D - Lower Timing Chain Tensioner - Applies tension to the lower timing chain - Genuine Volkswagen Audi - Audi

Applies tension to the lower timing chain affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280744
Mfg#:
06E109507D
In Stock
22% off MSRP

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

$296.99

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

$232.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Euro Ultra-Premium Ceramic Brake Pad Set

ES#4476093 - 8K0698451P - Rear Euro Ultra-Premium Ceramic Brake Pad Set - For those looking for a low dust replacement brake pad - Akebono - Audi

For those looking for a low dust replacement brake pad affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Akebono - Corporate Logo
ES#:
4476093
Mfg#:
8K0698451P
In Stock
$81.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spherical Outer Tie Rod Kit - Audi B8/C7/Porsche Macan

ES#4616139 - 012516LA - Spherical Outer Tie Rod Kit - Audi B8/C7/Porsche Macan - Correct your bump steer with ECS Tuning Adjustable Tie Rods - ECS - Audi Porsche

Correct your bump steer with ECS Tuning Adjustable Tie Rods affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
4616139
Mfg#:
012516LA
In Stock
ON SALE!
Starting at $362.30 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR High Pressure Fuel Pump - 2.9T & 3.0T EA839

ES#4460789 - MS100207 - APR High Pressure Fuel Pump - 2.9T & 3.0T EA839 - Upgrade your direct injection high pressure fuel pump for dramatically more fuel volume needed on high powered applications. - APR - Audi Porsche

Upgrade your direct injection high pressure fuel pump for dramatically more fuel volume needed on high powered applications. Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4460789
Mfg#:
MS100207
Back Ordered
11% off MSRP

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

$1631.99

This product was last offered at the strikethrough price on
06-12-2026

$1449.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Street Sport Engine Mount - Priced Each

ES#4070107 - CTS-EM-B8-50D - CTS Street Sport Engine Mount - Priced Each - 50 Durometer rubber construction - Single engine mount - CTS - Audi

50 Durometer rubber construction - Single engine mount affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Priced as one single mount*

Brand:
CTS - Corporate Logo
ES#:
4070107
Mfg#:
CTS-EM-B8-50D
Back Ordered
Auto Notify
$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#250674 - N90648402 - Hex Bolt - Priced Each - Install new hardware with your new parts. M10x35 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M10x35 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the core support to the body

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
250674
Mfg#:
N90648402
In Stock
$2.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Kit

ES#4690680 - 06M121013DKT - Water Pump Kit - Maintain proper operating temperature with a new water pump and hardware - Genuine Volkswagen Audi - Audi

Maintain proper operating temperature with a new water pump and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes Updated 6-Bolt Water Pump and Pulley

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4690680
Mfg#:
06M121013DKT
In Stock
$526.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat Housing

ES#4930699 - 06M121115P - Thermostat Housing - Common point of failure for the cooling system. - Genuine Volkswagen Audi - Audi

Common point of failure for the cooling system. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4930699
Mfg#:
06M121115P
In Stock
1% 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
06-12-2026

$206.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

D2S 5000K XB HID Bulb - Pair

ES#4212765 - MM.N.063 - D2S 5000K XB HID Bulb - Pair - Quality replacement xenon bulbs from Morimoto - Morimoto - Audi BMW Volkswagen Mercedes Benz MINI

Quality replacement xenon bulbs from Morimoto affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Morimoto - Corporate Logo
ES#:
4212765
Mfg#:
MM.N.063
In Stock
$63.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B8 Performance Plus Front Strut - Priced Each

ES#8226 - 24-119818 - B8 Performance Plus Front Strut - Priced Each - Give your vehicle a more aggressive feel - Fits left & right side - Bilstein - Audi

Give your vehicle a more aggressive feel - Fits left & right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bilstein - Corporate Logo
ES#:
8226
Mfg#:
24-119818
In Stock
$165.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing (Aluminum)

ES#3659371 - 078121121J - Thermostat Housing (Aluminum) - Aluminum design - Located on the front right of the engine block - URO - Audi Volkswagen

Aluminum design - Located on the front right of the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3659371
Mfg#:
078121121J
In Stock
$155.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B4 OE Sport Shocks & Struts Kit

ES#3031023 - 19-164472kt - B4 OE Sport Shocks & Struts Kit - Engineered to restore original performance and handling. German-made with world-famous Bilstein quality and a limited lifetime warranty! - Bilstein - Audi

Engineered to restore original performance and handling. German-made with world-famous Bilstein quality and a limited lifetime warranty! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bilstein - Corporate Logo
ES#:
3031023
Mfg#:
19-164472KT
In Stock
$400.99

This product was last offered at the strikethrough price on
03-19-2026

$384.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic Floating Center Cap "Spin Wheel Cap" - Set Of 4 (Audi Logo)

ES#4413814 - 4M8071006A - Dynamic Floating Center Cap "Spin Wheel Cap" - Set Of 4 (Audi Logo) - Distinctive look with a fascinating presentation. - Genuine Volkswagen Audi - Audi

Distinctive look with a fascinating presentation. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4413814
Mfg#:
4M8071006A
In Stock
4% off MSRP

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

$249.99

This product was last offered at the strikethrough price on
06-03-2026

$239.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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