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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Most Popular Parts

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DR Series Wheel Spacers (Black) - 20mm (1 Pair)

ES#3618482 - 4055668SW - DR Series Wheel Spacers (Black) - 20mm (1 Pair) - Get a new set of spacers and widen the stance of your vehicle - H&R - Audi

Get a new set of spacers and widen the stance of your vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
3618482
Mfg#:
4055668SW
In Stock
Limited Qty Sale
$129.99

This product was last offered at the strikethrough price on
06-29-2026

$114.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary water pump

ES#2599722 - 06H121601M - Auxiliary water pump - Used to circulate coolant as determined by the ECU - Genuine Volkswagen Audi - Audi Volkswagen

Used to circulate coolant as determined by the ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2599722
Mfg#:
06H121601M
Ships in 1-2 days
7% off MSRP

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

$215.99

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

$200.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pressure Sensor

ES#3991739 - 059906054L - Fuel Pressure Sensor - 11 Bar Pressure sensor that connects to the HPFP rail - Genuine Volkswagen Audi - Audi

11 Bar Pressure sensor that connects to the HPFP rail affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production dates from 08/05/2019

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3991739
Mfg#:
059906054L
Ships in 3 Business Days
7% off MSRP

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

$106.99

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

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Core Support

ES#4460361 - 8W0805594E - Radiator Core Support - Houses the radiator and condenser while providing front end support - Genuine Volkswagen Audi - Audi

Houses the radiator and condenser while providing front end support affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4460361
Mfg#:
8W0805594E
Ships in 1-2 days
9% off MSRP

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

$873.99

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

$799.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Pulley - 4 Bolt

ES#3181924 - 06M121031D - Water Pump Pulley - 4 Bolt - 4 Bolt pulley that attaches to the water pump - Genuine Volkswagen Audi - Audi

4 Bolt pulley that attaches to the water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3181924
Mfg#:
06M121031D
Ships in 1-2 days
7% off MSRP

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

$211.99

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

$197.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Performance Brake Service Kit - 2-Piece

ES#4057319 - 023938ecsKT - Rear Performance Brake Service Kit - 2-Piece - Comprehensive kit includes rotors, pads, sensor, and set screws - Upgrade your brake system with ECS 2-piece rotors and ECS EP24 "Enthusiast Performance" brake pads! - Assembled By ECS - Audi

Comprehensive kit includes rotors, pads, sensor, and set screws - Upgrade your brake system with ECS 2-piece rotors and ECS EP24 "Enthusiast Performance" brake pads! 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#:
4057319
Mfg#:
023938ECSKT
In Stock
ON SALE!
$858.99

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

$790.15 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

19" Wheel Spacer Flush Fit Kit - Polished Bolts

ES#3240972 - 023881ECS02KT - 19" Wheel Spacer Flush Fit Kit - Polished Bolts - Includes ECS spacers & Polished bolts to obtain a flush look on your OE 19" wheels - ECS - Audi

Includes ECS spacers & Polished bolts to obtain a flush look on your OE 19" wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3240972
Mfg#:
023881ECS02KT
Back Ordered
Auto Notify
ON SALE!
$270.99

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

$262.86 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Brake Pad Wear Sensor - Priced Each

ES#3417346 - 4M0615121AB - Brake Pad Wear Sensor - Priced Each - Always replace when replacing pads. - Genuine Volkswagen Audi - Audi

Always replace when replacing pads. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3417346
Mfg#:
4M0615121AB
In Stock
8% off MSRP

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

$170.99

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

$156.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

8-Speed Automatic Transmission Service Kit - 11 Liters

ES#4810882 - 0D5398009CKIT2 - 8-Speed Automatic Transmission Service Kit - 11 Liters - Includes a new filter & transmission pan gasket with securing hardware. Includes enough fluid to drain, flush, and fill. - Vaico - Audi

Includes a new filter & transmission pan gasket with securing hardware. Includes enough fluid to drain, flush, and fill. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4810882
Mfg#:
0D5398009CKIT2
In Stock at Vendor
$1595.99

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

$777.99 USD
Free Shipping
on orders $49 and up

High-Pressure Fuel Pump Kit

ES#4820947 - 06M127026PKT1 - High-Pressure Fuel Pump Kit - Includes HPFP, O-ring, Cam follower, and hardware - Assembled By ECS - Audi

Includes HPFP, O-ring, Cam follower, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 06/15/2020

Brand:
Assembled By ECS - Corporate Logo
ES#:
4820947
Mfg#:
06M127026PKT1
Ships in 1 day
$774.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#3180958 - 8W0253115G - Exhaust Gasket - Seals the turbocharger to the catalytic converter - Genuine Volkswagen Audi - Audi

Seals the turbocharger to the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3180958
Mfg#:
8W0253115G
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.

$18.99

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

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

COBB Tuning Accessport Tuner V3

ES#4668573 - AP3-VLK-004 - COBB Tuning Accessport Tuner V3 - Gain up to 80 horsepower and 151 lb-ft of torque on 93 Octane - CobbTuning - Audi

Gain up to 80 horsepower and 151 lb-ft of torque on 93 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CobbTuning - Corporate Logo
ES#:
4668573
Mfg#:
AP3-VLK-004
In Stock
$770.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Caliper Seal Kit - Priced Each

ES#3013341 - 4M0698671 - Rear Caliper Seal Kit - Priced Each - One kit per caliper - Genuine Volkswagen Audi - Audi

One kit per caliper affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3013341
Mfg#:
4M0698671
In Stock
9% off MSRP

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

$75.99

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

$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Caliper Carrier (Red) - Right

ES#4022539 - 8W0615426HQC8 - Rear Caliper Carrier (Red) - Right - Mounting bracket for the rear caliper. Includes pad retaining pin. - Genuine Volkswagen Audi - Audi

Mounting bracket for the rear caliper. Includes pad retaining pin. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4022539
Mfg#:
8W0615426HQC8
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.

$413.99

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

$378.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Turbo Inlet

ES#4758913 - UH044-INA - Carbon Fiber Turbo Inlet - Upgrade your Audi S4 or S5 with the Carbon Fiber Turbo Inlet for unparalleled performance and airflow efficiency. - Unitronic - Audi

Upgrade your Audi S4 or S5 with the Carbon Fiber Turbo Inlet for unparalleled performance and airflow efficiency. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
Tune is recommend for the best performance

Brand:
Unitronic - Corporate Logo
ES#:
4758913
Mfg#:
UH044-INA
Ships on Jul 24, 2026
$375.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Stage 1+

ES#4376314 - 30T-EA839-1+ - Unitronic Performance Software - Stage 1+ - Gain up to 100 horsepower and 112 lb-ft of torque on 93 Octane - Unitronic - Audi

Gain up to 100 horsepower and 112 lb-ft of torque on 93 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4376314
Mfg#:
30T-EA839-1+
In Stock
ON SALE! SAVE 17%
$900.00

This product was last offered at the strikethrough price on
06-22-2026

$750.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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