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Audi S4 Most Popular Parts

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Expansion Tank Replacement Kit

ES#2678370 - 8K0121405NKT - Expansion Tank Replacement Kit - Install a brand new expansion tank with a new cap and hardware - Assembled By ECS - Audi

Install a brand new expansion tank with a new cap and hardware 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
From production date 5/2/2011

Brand:
Assembled By ECS - Corporate Logo
ES#:
2678370
Mfg#:
8K0121405NKT
In Stock
$85.99

This product was last offered at the strikethrough price on
06-16-2026

$75.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rubber Washer - Priced Each

ES#472659 - WHT002227 - Rubber Washer - Priced Each - Used in secure the belly pan. 3x25x1.5 - Genuine Volkswagen Audi - Audi

Used in secure the belly pan. 3x25x1.5

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472659
Mfg#:
WHT002227
In Stock
$5.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front V5 Drilled & Slotted Brake Rotors Service Kit (350x34)

ES#5491784 - 4M0615301AN-XSKT - Front V5 Drilled & Slotted Brake Rotors Service Kit (350x34) - Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. - Assembled By ECS - Audi

Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
5491784
Mfg#:
4M0615301AN-XSKT
Ships on Dec 4, 2026
$714.91 USD
This product is lifetime replacement eligible Lifetime Replacement

Front License Plate Bracket Filler Trim - Twilight Matte

ES#3181063 - 8W0807287ARP5 - Front License Plate Bracket Filler Trim - Twilight Matte - Covers the hardware provision for the front license plate bracket - Genuine Volkswagen Audi - Audi

Covers the hardware provision for the front license plate bracket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3181063
Mfg#:
8W0807287ARP5
Ships in 1-2 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.

$57.99

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

$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front USR Series Sport Slotted Rotors with Redstuff Brake Pads Kit

ES#3069688 - S4KF1593 - Front USR Series Sport Slotted Rotors with Redstuff Brake Pads Kit - Upgrade to a Turbo slotted rotor for improved braking paired with A high-performance street pad for great braking - EBC - Audi

Upgrade to a Turbo slotted rotor for improved braking paired with A high-performance street pad for great braking 2X Entries Into Our F80 M3 Sweepstakes

Brand:
EBC - Corporate Logo
ES#:
3069688
Mfg#:
S4KF1593
Ships in 1 Business Day
15% off MSRP

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

$671.99

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

$570.99 USD
Free Shipping
on orders $49 and up

Breather Tube

ES#280575 - 06E103217AD - Breather Tube - Connects to both valve covers to the PCV adapter vent tube - Genuine Volkswagen Audi - Audi

Connects to both valve covers to the PCV adapter vent tube Up to production date 4/30/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280575
Mfg#:
06E103217AD
Ships in 1-2 days
12% off MSRP

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

$324.99

This product was last offered at the strikethrough price on
10-05-2026

$284.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Wheel Bearing Kit - Priced Each

ES#2581700 - 8E0598625B - Rear Wheel Bearing Kit - Priced Each - Fits left and right side - Get your vehicle rolling smooth again! - SKF - Audi

Fits left and right side - Get your vehicle rolling smooth again!

Brand:
SKF - Corporate Logo
ES#:
2581700
Mfg#:
8E0598625B
Ships in 1-2 days
$195.10

This product was last offered at the strikethrough price on
08-13-2026

$189.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm - Straight - Left

ES#3523394 - 8K0407151DKT1 - Front Lower Control Arm - Straight - Left - Keep your suspension in top shape - Meyle HD - Audi

Keep your suspension in top shape 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Fits up to production date 8/15/2011

Brand:
Meyle HD - Corporate Logo
ES#:
3523394
Mfg#:
8K0407151DKT1
In Stock
$159.74

This product was last offered at the strikethrough price on
06-19-2026

$139.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Seal - Priced Each

ES#289191 - 0B5311113F - Seal - Priced Each - 72mm x 7mm - Genuine Volkswagen Audi - Audi

72mm x 7mm For vehicles with DSG transmissions only.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
289191
Mfg#:
0B5311113F
In Stock
12% off MSRP

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

$68.99

This product was last offered at the strikethrough price on
10-05-2026

$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Muffler Hanger - Priced Each

ES#4049608 - 8K0253144M - Rear Muffler Hanger - Priced Each - Secures the muffler to the vehicle - HJS - Audi

Secures the muffler to the vehicle Fits the left and right side

Brand:
HJS - Corporate Logo
ES#:
4049608
Mfg#:
8K0253144M
In Stock
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit

ES#3660793 - n90281802ktKT - Rear Differential Service Kit - Complete kit with Redline 75w90 fluid with OEM drain/fill plugs and seals to service your rear differential. - Assembled By ECS - Audi Volkswagen

Complete kit with Redline 75w90 fluid with OEM drain/fill 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#:
3660793
Mfg#:
N90281802KTKT
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Screw - Priced Each

ES#471766 - N91057001 - Screw - Priced Each - Oval head panel screw used in various areas (5x16) - Genuine Volkswagen Audi - Audi

Oval head panel screw used in various areas (5x16) Used in various areas to hold on the front & rear fender liners

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471766
Mfg#:
N91057001
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.

$3.59

This product was last offered at the strikethrough price on
07-28-2026

$3.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Compressor

ES#3219137 - 8K0260805K - A/C Compressor - Get your car cool again with this new A/C compressor - Denso - Audi

Get your car cool again with this new A/C compressor Up to production date 3/5/2012

Brand:
Denso - Corporate Logo
ES#:
3219137
Mfg#:
8K0260805K
Ships in 1-2 days
$660.99

This product was last offered at the strikethrough price on
06-18-2026

$567.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Upper Control Arm Bushing Set - Outer - Race

ES#2650519 - PFR3-208Bx2 - Rear Upper Control Arm Bushing Set - Outer - Race - Improves handling and control - Upgrade to a more engaging driving experience - Powerflex Black Series - Audi

Improves handling and control - Upgrade to a more engaging driving experience

Brand:
Powerflex Black Series - Corporate Logo
ES#:
2650519
Mfg#:
PFR3-208BX2
Ships in 1 Business Day
$70.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GT1 PRO C-3 Engine Oil (5w-30) - 5 Liter

ES#4023579 - 80238000488 - GT1 PRO C-3 Engine Oil (5w-30) - 5 Liter - High performance engine oil for passenger vehicles - Fuchs - Audi Volkswagen

High performance engine oil for passenger vehicles

Brand:
Fuchs - Corporate Logo
ES#:
4023579
Mfg#:
80238000488
Ships in 1-2 days
$70.99 USD
Free Shipping
on orders $49 and up

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