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Audi S4 Most Popular Parts

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630cc Fuel Injectors & Fuel Rail Spacer Kit

ES#259223 - 630INJ-6 KIT - 630cc Fuel Injectors & Fuel Rail Spacer Kit - High flow injectors reaching 630cc/minute @ 3 bar. Includes fuel rail spacers - Assembled By ECS - Audi

High flow injectors reaching 630cc/minute @ 3 bar. Includes fuel rail spacers 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
259223
Mfg#:
630INJ-6 KIT
Back Ordered
$521.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Electric Fan Assembly - Right (280mm)

ES#3189429 - 620-836 - Electric Fan Assembly - Right (280mm) - Keep your cooling system operating properly - Dorman - Audi

Keep your cooling system operating properly

Brand:
Dorman - Corporate Logo
ES#:
3189429
Mfg#:
620-836
Ships in 4 Business Days
$972.99

This product was last offered at the strikethrough price on
09-30-2026

$505.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Belly Pan

ES#516747 - 8F0863821 - Engine Belly Pan - Keep your engine bay protected - Genuine Volkswagen Audi - Audi

Keep your engine bay protected Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
516747
Mfg#:
8F0863821
Ships in 1-2 days
13% off MSRP

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

$583.99

This product was last offered at the strikethrough price on
08-31-2026

$505.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#450445 - 8K0253115A - Exhaust Gasket - Priced Each - Seals the manifolds to the catalytic converters - Genuine Volkswagen Audi - Audi

Seals the manifolds to the catalytic converters

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450445
Mfg#:
8K0253115A
In Stock
3% off MSRP

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

$11.36

This product was last offered at the strikethrough price on
11-06-2026

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI 4.2 V8 Complete Replacement Engine Mount Kit - Stage 1

ES#4730403 - EBFI77-KB6-201 - BFI 4.2 V8 Complete Replacement Engine Mount Kit - Stage 1 - Replace your old, tired, hydraulic engine mount with BFI's proprietary bushing and bracket/Cup design - Black Forest Industries - Audi

Replace your old, tired, hydraulic engine mount with BFI's proprietary bushing and bracket/Cup design

Brand:
Black Forest Industries - Corporate Logo
ES#:
4730403
Mfg#:
EBFI77-KB6-201
In Stock
$504.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Charcoal Canister

ES#450424 - 8K0201801C - Charcoal Canister - Keep your fuel system efficient - Genuine Volkswagen Audi - Audi

Keep your fuel system efficient Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450424
Mfg#:
8K0201801C
Ships in 1-2 days
13% off MSRP

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

$581.99

This product was last offered at the strikethrough price on
08-31-2026

$504.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

30mm TRAK+ Hub Adapter - Pair

ES#2731042 - 6055665571 - 30mm TRAK+ Hub Adapter - Pair - Allows you to run 5x112 wheels with a 57.1mm center bore - H&R - Audi Volkswagen

Allows you to run 5x112 wheels with a 57.1mm center bore We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2731042
Mfg#:
6055665571
Ships in 3 Business Days
10% off MSRP

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

$279.99

This product was last offered at the strikethrough price on
10-01-2026

$251.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Suspension Coil Spring (Weight Range 8 / PR-0JH)

ES#4508115 - 8W0411105LA - Front Suspension Coil Spring (Weight Range 8 / PR-0JH) - Factory OEM front suspension coil spring for B9/B9.5 MLB Evo platform models. - Genuine Volkswagen Audi - Audi

Factory OEM front suspension coil spring for B9/B9.5 MLB Evo platform models.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4508115
Mfg#:
8W0411105LA
Ships in 2 Business Days
13% off MSRP

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

$290.99

This product was last offered at the strikethrough price on
10-26-2026

$251.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Air Filter

ES#253216 - e-1987 - Performance Air Filter - Drop-in performance filter - K&N - Audi

Drop-in performance filter

Brand:
K&N - Corporate Logo
ES#:
253216
Mfg#:
E-1987
In Stock
$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Wheel Bearing Kit - Priced Each (75mm)

ES#2872452 - 8D0598625A - Rear Wheel Bearing Kit - Priced Each (75mm) - Fits the left and right side - Febi - Audi Volkswagen

Fits the left and right side We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872452
Mfg#:
8D0598625A
In Stock
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Upper Control Arm - Right

ES#4920865 - 3R0505324 - Rear Upper Control Arm - Right - Keep your suspension in top shape - Delphi - Audi

Keep your suspension in top shape

Brand:
Delphi - Corporate Logo
ES#:
4920865
Mfg#:
3R0505324
Ships in 1 Business Day
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Clutch

ES#2813133 - 078121350A - Auxiliary Fan Clutch - Common cause of overheating issues - Hamburg Tech - Audi Volkswagen

Common cause of overheating issues We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813133
Mfg#:
078121350A
Ships in 1 Business Day
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket Set

ES#3690556 - 06e103483pkt1KT - Valve Cover Gasket Set - Includes the left and right side seals - Febi - Audi

Includes the left and right side seals We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
3690556
Mfg#:
06E103483PKT1KT
Ships in 1-2 days
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

License Plate Light Assembly - Left

ES#259887 - 8E0943021B - License Plate Light Assembly - Left - Does not include bulb - Genuine Volkswagen Audi - Audi

Does not include bulb

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259887
Mfg#:
8E0943021B
In Stock
13% off MSRP

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

$47.99

This product was last offered at the strikethrough price on
10-26-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit - With Service Tools

ES#4361552 - N90281802KTKT4 - Rear Differential Service Kit - With Service Tools - Complete kit with Redline 75w90 fluid with ECS stainless steel magnetic plugs and seals to service your rear differential. - Assembled By ECS - Audi Volkswagen

Complete kit with Redline 75w90 fluid with ECS stainless steel magnetic plugs and seals to service your rear differential. 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
For vehicles with Torque Vectoring differentials

Brand:
Assembled By ECS - Corporate Logo
ES#:
4361552
Mfg#:
N90281802KTKT4
Ships on Feb 26, 2027
$167.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

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