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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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Wheel Spacer & Bolt Kit - 12.5mm With Conical Seat Bolts

ES#2603078 - 002411ECS02AKT4 - Wheel Spacer & Bolt Kit - 12.5mm With Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2603078
Mfg#:
002411ECS02AKT4
In Stock
ON SALE! SAVE 25%
$184.99

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

$138.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount Kit

ES#4810429 - 4M0199371GMKT - Engine Mount Kit - Includes both engine mounts - Genuine Volkswagen Audi - Audi

Includes both engine mounts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4810429
Mfg#:
4M0199371GMKT
Ships in 3 Business Days
$623.99 USD
Free Shipping
on orders $49 and up

Oil Cap

ES#4057820 - 06M103485D - Oil Cap - Clean your engine bay up with a new oil cap - Genuine Volkswagen Audi - Audi

Clean your engine bay up with a new oil cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From production date 03/02/2020

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4057820
Mfg#:
06M103485D
In Stock
10% off MSRP

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

$28.99

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

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport High Output Ignition Coil - Yellow - Priced Each

ES#4667211 - 034-107-2012-YEL - 034Motorsport High Output Ignition Coil - Yellow - Priced Each - Plug-and-play upgraded coil pack featuring a CNC-machined heat sink for better heat dissipation - 034Motorsport - Audi Volkswagen Porsche

Plug-and-play upgraded coil pack featuring a CNC-machined heat sink for better heat dissipation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4667211
Mfg#:
034-107-2012-YEL
In Stock
ON SALE! SAVE 10%
$63.00

This product was last offered at the strikethrough price on
06-28-2026

$56.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Slotted Brake Rotors - Pair (330x22)

ES#4872023 - EMD-33022-PR - Rear Slotted Brake Rotors - Pair (330x22) - Upgrade your looks and performance with a set of slotted rotors! - Emmanuele Design - Audi

Upgrade your looks and performance with a set of slotted rotors! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emmanuele Design - Corporate Logo
ES#:
4872023
Mfg#:
EMD-33022-PR
Ships in 9 Business Days
$249.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Left Tail Light - Outer

ES#3417559 - 8W5945091F - Left Tail Light - Outer - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3417559
Mfg#:
8W5945091F
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.

$676.99

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

$619.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Washer Fluid Reservoir Cap - Black Anodized

ES#3194626 - 022732ECS01-01 - Billet Washer Fluid Reservoir Cap - Black Anodized - Lose the plastic! - ECS - Audi

Lose the plastic! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3194626
Mfg#:
022732ECS01-01
Ships on Nov 13, 2026
ON SALE!
$86.99

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

$82.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Breather Hose

ES#3186746 - 06M121692AC - Coolant Breather Hose - feeds coolant back to the overflow - Genuine Volkswagen Audi - Audi

feeds coolant back to the overflow affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3186746
Mfg#:
06M121692AC
Ships in 3 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.

$111.99

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

$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Front Mount Intercooler

ES#3980512 - FMINT12 - Performance Front Mount Intercooler - Offering a huge 128% increase in frontal area and matching increase in internal volume - Forge - Audi

Offering a huge 128% increase in frontal area and matching increase in internal volume affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
3980512
Mfg#:
FMINT12
Ships in 3 Business Days
ON SALE! SAVE 10%
$1372.99

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

$1235.69 USD
This product is lifetime replacement eligible Lifetime Replacement

S4 Grille assembly - Twilight Matte

ES#3181091 - 8W0853651NRP5 - S4 Grille assembly - Twilight Matte - Clean up or change your look - Genuine Volkswagen Audi - Audi

Clean up or change your look affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For pre-face lift models only.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3181091
Mfg#:
8W0853651NRP5
In Stock
Limited Qty Sale
$1352.99

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

$1233.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear Performance Ceramic Brake Pad Set

ES#4000470 - HB866Z.652 - Rear Performance Ceramic Brake Pad Set - Ceramic composite developed to meet ultra-low dust and noise requirements. - Hawk - Audi

Ceramic composite developed to meet ultra-low dust and noise requirements. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hawk - Corporate Logo
ES#:
4000470
Mfg#:
HB866Z.652
Ships on Jul 23, 2026
$204.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4475297 - 06M905606F3KT - Performance Ignition Service Kit - Includes six Grey APR coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Grey APR coil packs and OEM spark plugs to service your ignition system 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#:
4475297
Mfg#:
06M905606F3KT
In Stock
$409.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VWR Billet Oil Filler Cap - EA839

ES#4609264 - VWR190003 - VWR Billet Oil Filler Cap - EA839 - Replace the factory plastic cap with this sturdy aluminum one in gloss midnight black anodizing - Racingline - Audi

Replace the factory plastic cap with this sturdy aluminum one in gloss midnight black anodizing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4609264
Mfg#:
VWR190003
In Stock
ON SALE! SAVE 10%
$170.99

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

$153.16 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Density Line Upper Control Arm Kit - Track Spec

ES#3546574 - 034-401-1062 - Density Line Upper Control Arm Kit - Track Spec - Gain negative camber for increased cornering grip, better turn-in, and improved handling! - 034Motorsport - Audi

Gain negative camber for increased cornering grip, better turn-in, and improved handling! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3546574
Mfg#:
034-401-1062
Back Ordered
ON SALE! SAVE 10%
$680.00

This product was last offered at the strikethrough price on
06-28-2026

$612.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Titanium Ball Seat Wheel Bolt - 14x1.5x40mm - Set Of 20

ES#3570218 - 025384ecs02-0320 - Titanium Ball Seat Wheel Bolt - 14x1.5x40mm - Set Of 20 - Lightweight, corrosion resistant, high performance lug bolts - ECS - Audi Volkswagen

Lightweight, corrosion resistant, high performance lug bolts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Extended length bolts for use with 10mm to 12.5mm spacers

Brand:
ECS - Corporate Logo
ES#:
3570218
Mfg#:
025384ECS02-0320
In Stock
ON SALE! SAVE 10%
$339.99

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

$305.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

12.0" 3.75mm (5/32") ID Black Silicone Vacuum Hose

ES#4338188 - 2101 - 12.0" 3.75mm (5/32") ID Black Silicone Vacuum Hose - ECS - Audi BMW Volkswagen Mercedes Benz

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

Brand:
ECS - Corporate Logo
ES#:
4338188
Mfg#:
2101
In Stock
ON SALE! SAVE 25%
$33.99

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

$25.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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