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Audi S4 Most Popular Parts

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Supercharger Intercooler - Priced Each

ES#4683064 - 06E145621S - Supercharger Intercooler - Priced Each - OE Internal charge air cooler in the supercharger compressor - Nissens - Audi

OE Internal charge air cooler in the supercharger compressor We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
4683064
Mfg#:
06E145621S
In Stock at Vendor
$514.99

This product was last offered at the strikethrough price on
02-01-2026

$444.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DL501 Ultimate Mechatronic Rebuild Kit

ES#4491456 - 0b5398009f2KT - DL501 Ultimate Mechatronic Rebuild Kit - Full kit with all of the required components needed to rebuild your DL501 Transmission - Assembled By ECS - Audi

Full kit with all of the required components needed to rebuild your DL501 Transmission affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with 7-speed S-Tronic transmissions

Brand:
Assembled By ECS - Corporate Logo
ES#:
4491456
Mfg#:
0B5398009F2KT
In Stock
ON SALE! SAVE 17%
$1275.99

This product was last offered at the strikethrough price on
01-03-2026

$1057.21 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Dual Clutch Gear Oil 8100 - 1 Liter

ES#3135701 - 20044 - Dual Clutch Gear Oil 8100 - 1 Liter - Transmission fluid for your DSG or PDK equipped vehicle - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Transmission fluid for your DSG or PDK equipped 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:
Liqui-Moly - Corporate Logo
ES#:
3135701
Mfg#:
20044
In Stock
ON SALE! SAVE 30%
$24.18

This product was last offered at the strikethrough price on
03-12-2026

$16.98 USD
Free Shipping
on orders $49 and up

Top Tec 4200 Long Life Synthetic Engine Oil (5w-30) - 5 Liter

ES#1306829 - 2011 - Top Tec 4200 Long Life Synthetic Engine Oil (5w-30) - 5 Liter - Fully synthetic, low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications - Liqui-Moly - Audi BMW Volkswagen

Fully synthetic, low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications 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#:
1306829
Mfg#:
2011
In Stock
ON SALE!
$55.95

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

$54.27 USD
Free Shipping
on orders $49 and up

Adjustable Damping Performance Coilover System - Audi B6/B7 A4/S4

ES#3624746 - 027966ECS01 - Adjustable Damping Performance Coilover System - Audi B6/B7 A4/S4 - Take control of your ride while going low with our sport-tuned coilover system! - ECS - Audi

Take control of your ride while going low with our sport-tuned coilover system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3624746
Mfg#:
027966ECS01
In Stock
ON SALE! SAVE 33%
$974.99

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

$649.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

60A Solid Rubber OEM+ Engine Mount Kit - Audi B8 A4/S4/A5/S5/Q5/SQ5 C7 A6/A7

ES#4736298 - 039803la01KT - 60A Solid Rubber OEM+ Engine Mount Kit - Audi B8 A4/S4/A5/S5/Q5/SQ5 C7 A6/A7 - 60A Durometer solid rubber that eliminates the soft and leak prone factory engine mounts. - ECS - Audi

60A Durometer solid rubber that eliminates the soft and leak prone factory engine mounts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4736298
Mfg#:
039803LA01KT
In Stock
ON SALE! SAVE 15%
$529.99

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

$449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

TTE810+ Turbo Upgrade - B9 S4/S5/SQ5 3.0T

ES#4629470 - TTE10494 - TTE810+ Turbo Upgrade - B9 S4/S5/SQ5 3.0T - Pair this with the Integrated Engineering or 034 Motorsports stage 3 tune for 600+hp! - The Turbo Engineers - Audi

Pair this with the Integrated Engineering or 034 Motorsports stage 3 tune for 600+hp! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Custom tuning software required for installation.

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4629470
Mfg#:
TTE10494
In Stock
$4399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/S5 Sportback 3.0T Valved Exhaust System

ES#4369839 - 026018ECS - Audi B9 S4/S5 Sportback 3.0T Valved Exhaust System - ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience - ECS - Audi

ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4369839
Mfg#:
026018ECS
In Stock
ON SALE!
Starting at $1427.58 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Full Density Line Front Control Arm Kit

ES#3199718 - 034-401-1046 - Full Density Line Front Control Arm Kit - Includes new control arms with Density Line control arm bushings, ball joints, and hardware - 034Motorsport - Audi

Includes new control arms with Density Line control arm bushings, ball joints, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits models up through production date 11/2/2009 (M12 Ball Joints) - Please verify existing prior to ordering

Brand:
034Motorsport - Corporate Logo
ES#:
3199718
Mfg#:
034-401-1046
In Stock
$964.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

20" Style 628 Wheels - Set Of Four

ES#4325181 - 628-13KT - 20" Style 628 Wheels - Set Of Four - 20x9 ET30 5x112 66.6CB - Matte Gunmetal/Machine Face - Alzor - Audi

20x9 ET30 5x112 66.6CB - Matte Gunmetal/Machine Face affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Alzor - Corporate Logo
ES#:
4325181
Mfg#:
628-13KT
In Stock
ON SALE! SAVE 32%
$1431.99

This product was last offered at the strikethrough price on
01-03-2026

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

AWE Touring Edition Exhaust System - B8/B8.5 S4 3.0T

ES#4726504 - AWEB8S4TR - AWE Touring Edition Exhaust System - B8/B8.5 S4 3.0T - Remarkably civil while idling/part throttle cruising, but unleashed at full throttle produces what some have called a war-cry wail. Features AWE's proprietary 180 Technology resonators. - AWE - Audi

Remarkably civil while idling/part throttle cruising, but unleashed at full throttle produces what some have called a “war-cry wail.” Features AWE's proprietary 180 Technology® resonators. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4726504
Mfg#:
AWEB8S4TR
In Stock
Starting at $1745.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Complete Front Control Arm Kit

ES#3046839 - 034-401-1004 - Density Line Complete Front Control Arm Kit - Includes new control arms with Density Line control arm bushings and hardware - 034Motorsport - Audi

Includes new control arms with Density Line control arm bushings and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3046839
Mfg#:
034-401-1004
In Stock
$607.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit

ES#3521692 - S-07-BR - BR Series Coilover Suspension Kit - Featuring 30 levels of adjustment and performance spring rates and valving - BC Racing - Audi

Featuring 30 levels of adjustment and performance spring rates and valving affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BC Racing - Corporate Logo
ES#:
3521692
Mfg#:
S-07-BR
In Stock
$1215.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit

ES#3536764 - g052577m2KT - Oil Service Kit - Includes OEM 508/509 Full Synthetic 0w-20 Engine Oil, Filter, drain plug, and washer for a complete oil service - Genuine Volkswagen Audi - Audi

Includes OEM 508/509 Full Synthetic 0w-20 Engine Oil, Filter, drain plug, and washer for a complete oil service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3536764
Mfg#:
G052577M2KT
In Stock
$148.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Performance Ignition Service Kit

ES#4475350 - 101905631G1KT - Performance Ignition Service Kit - Includes six Red APR coil packs and spark plugs to service your ignition - Assembled By ECS - Audi

Includes six Red APR coil packs and spark plugs to service your ignition 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#:
4475350
Mfg#:
101905631G1KT
In Stock
$297.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Coil - Priced Each

ES#4349456 - 06E905115G - Performance Ignition Coil - Priced Each - Increased energy output over stock coil packs for a stronger and more consistent spark! - ECS - Audi Volkswagen
ECS Tuning recommends this product.

Increased energy output over stock coil packs for a stronger and more consistent spark! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4349456
Mfg#:
06E905115G
Ships on Aug 4, 2026
Auto Notify
ON SALE! SAVE 20%
$32.99

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

$26.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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