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Audi S4 Most Popular Parts

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ES#4858310 - 034-108-5047 - X34 SuperDuper Insuction Bundle - Delivers improved power, sound, and acceleration to B9 Audi S4/S5 owners in a clean OEM+ package - 034Motorsport - Audi

Delivers improved power, sound, and acceleration to B9 Audi S4/S5 owners in a clean OEM+ package affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858310
Mfg#:
034-108-5047
Ships on Jul 20, 2026
$1303.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2725288 - KS4B8HDB - Stage 2 Drag Clutch Kit - Designed for drag or drift cars that see limited street use. Conservatively rated at 500ft/lbs. - South Bend Clutch - Audi

Designed for drag or drift cars that see limited street use. Conservatively rated at 500ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
South Bend Clutch - Corporate Logo
ES#:
2725288
Mfg#:
KS4B8HDB
Ships in 2 Business Days
$1302.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#436918 - 8E0407643A - Drive Axle Shoulder Bolt - Priced Each - Secures the axle assembly to the hub. M16x1.5x72 - Genuine Volkswagen Audi - Audi Volkswagen

Secures the axle assembly to the hub. M16x1.5x72 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436918
Mfg#:
8E0407643A
In Stock
$7.40 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#279910 - 06A973722 - Electrical Connector Housing - 2 Pin - Priced Each - Does not come with terminals or wires - Genuine Volkswagen Audi - Audi

Does not come with terminals or wires affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Connector for fuel injectors

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279910
Mfg#:
06A973722
Ships in 3 Business Days
2% off MSRP

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

$42.99

This product was last offered at the strikethrough price on
06-24-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4699061 - 034-304-1008 - Replacement Front Rotor Ring Set For ES4429973 - 034Motorsport 350mmx34mm 2-Piece Floating Front Brake Rotor Upgrade Kit replacement rings - 034Motorsport - Audi

034Motorsport 350mmx34mm 2-Piece Floating Front Brake Rotor Upgrade Kit replacement rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4699061
Mfg#:
034-304-1008
In Stock
$650.00 USD
Free Shipping
ES#4690522 - PAC325060 - Transmission Filter Housing - With Filter - Complete assembly includes housing, filter, o-ring, and housing cap - Hamburg Tech - Audi Porsche

Complete assembly includes housing, filter, o-ring, and housing cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits from the 2011 model year (2010 model year has filter built-in to cooling line)

Brand:
Hamburg Tech - Corporate Logo
ES#:
4690522
Mfg#:
PAC325060
In Stock at Vendor
$50.99

This product was last offered at the strikethrough price on
05-03-2026

$50.00 USD
Free Shipping
on orders $49 and up
ES#4701581 - ELA-10-285 - Polyurethane Rear Differential Mount - Black (Track) - Eliminate excessive rear differential movement! - Verkline - Audi

Eliminate excessive rear differential movement! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Verkline - Corporate Logo
ES#:
4701581
Mfg#:
ELA-10-285
Ships in 3 Business Days
$325.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18"X8.5" ET35 5x112 - Anthracite Metallic affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
VMR - Corporate Logo
ES#:
3418989
Mfg#:
V31020511KT2
Ships in 6 Business Days
$1300.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

19"x8.5" ET35 CB66.6 5x112 - Matte Bronze affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
VMR - Corporate Logo
ES#:
4352694
Mfg#:
V802MB1985KT
Ships in 6 Business Days
$1300.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18"X8.5" ET35 5x112 - Hyper Silver affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
VMR - Corporate Logo
ES#:
3418988
Mfg#:
V31020511KT1
Ships in 6 Business Days
$1300.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4022234 - 4N0133246A - Exhaust Valve Servo Motor - Priced Each - Operates the exhaust valve - Genuine Volkswagen Audi - Audi Volkswagen

Operates the exhaust valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/09/2019

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4022234
Mfg#:
4N0133246A
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.

$354.99

This product was last offered at the strikethrough price on
06-24-2026

$324.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2651377 - PFF3-204-29x2 -  Performance Front Sway Bar Bushing Set - Street - 29mm - Stiffer bushings allow sway bars to work at their fullest potential - Powerflex - Audi Volkswagen

Stiffer bushings allow sway bars to work at their fullest potential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
2651377
Mfg#:
PFF3-204-29X2
In Stock
$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#450641 - 8K0412109A - Front Coil Spring Seat Pad - Priced Each - Fits left and right side - Genuine Volkswagen Audi - Audi

Fits left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450641
Mfg#:
8K0412109A
In Stock
11% off MSRP

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

$55.99

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

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3676696 - 4B0819439C - Charcoal Lined Cabin Filter / Fresh Air Filter - The activated charcoal filters odor from reaching the cabin - Hengst - Audi
ECS Tuning recommends this product.

The activated charcoal filters odor from reaching the cabin 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! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
3676696
Mfg#:
4B0819439C
In Stock
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2748187 - ECS10611KTWB1 - ECS Wheel Spacer & Bolt Kit - 7mm With Black Ball Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please measure your hub protrusion to ensure it will still make contact with the center of the wheel. See

Brand:
ECS - Corporate Logo
ES#:
2748187
Mfg#:
ECS10611KTWB1
In Stock
ON SALE! SAVE 25%
$132.99

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

$99.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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