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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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Water Pump kit with Pulley - 6 Bolt

Upgraded water pump kit with 6 bolt pulley included affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hepu - Corporate Logo
ES#:
5435156
Mfg#:
06M121013G
Ships on Aug 18, 2026
Auto Notify
$305.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt/Serpentine Belt Kit W/ Tensioners

ES#4699378 - 06M903137TKT - Accessory Belt/Serpentine Belt Kit W/ Tensioners - Keep your accessories running properly with new tensions and drive belts - Assembled By ECS - Audi

Keep your accessories running properly with new tensions and drive belts 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#:
4699378
Mfg#:
06M903137TKT
Back Ordered
$157.99

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

$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Racingline Sport Spring Set

ES#3570412 - VWR3141S4 - Racingline Sport Spring Set - Give your B9 S4 the ride height it deserves - The first upgrade to make to your car! - Racingline - Audi

Give your B9 S4 the ride height it deserves - The first upgrade to make to your car! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
3570412
Mfg#:
VWR3141S4
Ships in 2 Business Days
ON SALE! SAVE 10%
$338.99

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

$304.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Sport Shock - Priced Each

ES#4698693 - 82401319SPORT - Rear Sport Shock - Priced Each - Tighten up your Audi with these Koni shocks - Koni - Audi

Tighten up your Audi with these Koni shocks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles without electronic suspension

Brand:
Koni - Corporate Logo
ES#:
4698693
Mfg#:
82401319SPORT
Ships in 5 Business Days
ON SALE! SAVE 21%
$190.99

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

$151.80 USD
Free Shipping
on orders $49 and up

Door Trim Molding - Aluminum Elipse Silver - Right

ES#3087697 - 8W0867410NUR3 - Door Trim Molding - Aluminum Elipse Silver - Right - Genuine Volkswagen Audi - Audi

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3087697
Mfg#:
8W0867410NUR3
Special Order: No Guaranteed ETA
8% off MSRP

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

$330.00

This product was last offered at the strikethrough price on
07-09-2026

$301.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#5374543 - 06M121115K - Thermostat Housing - Common point of failure for the cooling system. - Hamburg Tech - Audi

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

Brand:
Hamburg Tech - Corporate Logo
ES#:
5374543
Mfg#:
06M121115K
Ships in 1 Business Day
$150.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PIPE

ES#4761050 - 06M145674EP - PIPE - Genuine Volkswagen Audi - Audi

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4761050
Mfg#:
06M145674EP
Ships in 1 day
9% off MSRP

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

$163.99

This product was last offered at the strikethrough price on
02-26-2026

$149.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear FloorLiner DigitalFit - Black

ES#4443380 - 449073 - Rear FloorLiner DigitalFit - Black - Laser measured for perfect fitment and ultimate protection against moisture and debris - WeatherTech - Audi

Laser measured for perfect fitment and ultimate protection against moisture and debris affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles without floor mat retention

Brand:
WeatherTech - Corporate Logo
ES#:
4443380
Mfg#:
449073
In Stock
$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RacingLine Higher Output Ignition Coils - Grey - Set Of Six

ES#4708324 - VWR900002-6KT - RacingLine Higher Output Ignition Coils - Grey - Set Of Six - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi

Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4708324
Mfg#:
VWR900002-6KT
Ships in 7 Business Days
ON SALE! SAVE 10%
$330.99

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

$297.43 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LIQUI MOLY TOP TEC 6200 0W-20 - 20L

ES#4658948 - 22186 - LIQUI MOLY TOP TEC 6200 0W-20 - 20L - Liqui-Moly - Audi Volkswagen

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:
Liqui-Moly - Corporate Logo
ES#:
4658948
Mfg#:
22186
In Stock at Vendor
$310.99

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

$296.99 USD
Free Shipping
on orders $49 and up

Front FloorLiner DigitalFit - Black

ES#3176647 - 449371 - Front FloorLiner DigitalFit - Black - Laser measured for perfect fitment and ultimate protection against moisture and debris - WeatherTech - Audi

Laser measured for perfect fitment and ultimate protection against moisture and debris affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
WeatherTech - Corporate Logo
ES#:
3176647
Mfg#:
449371
Ships in 6 Business Days
$146.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#4477136 - 8W0253115P - Exhaust Gasket - Priced Each - Seals the catalytic converter to the downpipe - Genuine Volkswagen Audi - Audi

Seals the catalytic converter to the downpipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from production date 01/28/2019

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4477136
Mfg#:
8W0253115P
Ships in 1 day
13% off MSRP

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

$15.99

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

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Mirror Cap Set - Audi B9 A4/A5/S4/S5

ES#3411933 - 024564ECS02 - Carbon Fiber Mirror Cap Set - Audi B9 A4/A5/S4/S5 - Upgrade your exterior look - ECS - Audi

Upgrade your exterior look affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles without lane change assist

Brand:
ECS - Corporate Logo
ES#:
3411933
Mfg#:
024564ECS02
Special Order: No Guaranteed ETA
ON SALE! SAVE 20%
$365.99

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

$292.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sprint Booster Select V3

ES#3714100 - SBAU0063S - Sprint Booster Select V3 - Sprint Booster is an aftermarket electronic module that plugs in between the accelerator pedal and the engine control unit (ECU) in vehicles equipped with an electronic throttle control. - Sprint Booster - Audi

Sprint Booster is an aftermarket electronic module that plugs in between the accelerator pedal and the engine control unit (ECU) in vehicles equipped with an electronic throttle control. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Sprint Booster - Corporate Logo
ES#:
3714100
Mfg#:
SBAU0063S
Ships in 10 Business Days
$289.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Wheel Bolt - 14x1.5x50mm - Priced Each

ES#3560836 - S17D50R13 - Ball Seat Wheel Bolt - 14x1.5x50mm - Priced Each - Zinc-coated wheel bolts made specifically for OE wheels - ECS - Audi Volkswagen

Zinc-coated wheel bolts made specifically for OE wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3560836
Mfg#:
S17D50R13
Ships in 10 Business Days
ON SALE! SAVE 25%
$8.99

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

$6.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain - Left

ES#3571754 - 06M109229AC - Timing Chain - Left - Stop stretched out chains from creating noise - Genuine Volkswagen Audi - Audi

Stop stretched out chains from creating noise affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from production date 4/16/2018

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3571754
Mfg#:
06M109229AC
In Stock
ON SALE!
$304.99

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

$289.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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