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Audi S4 Most Popular Parts

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ES#3187914 - 8d0598625akt1KT - Rear Wheel Bearing Kit - Pair (75mm) - Includes both bearings and axle bolts - LUK - Audi Volkswagen

Includes both bearings and axle bolts We Price Match - Give Us A Call or Chat!

Brand:
LUK - Corporate Logo
ES#:
3187914
Mfg#:
8D0598625AKT1KT
In Stock
$93.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4699378 - 06M903137TKT - Accessory Belt/Serpentine Belt Kit W/ Tensioners  - Keep your accessories running properly with new tensions and drive belts - Assembled By ECS - Audi

Keep your accessories running properly with new tensions and drive belts 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
4699378
Mfg#:
06M903137TKT
Back Ordered
ON SALE!
$155.00

This product was last offered at the strikethrough price on
11-05-2026

$150.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4642913 - 034-108-5043 - SuperDuper Turbo Inlet Pipe + P34 SuperDuper Conversion Kit  - Includes conversion kit to to convert your P34 Intake from a stock turbo sized inlet to our larger SuperDuper Turbo Inlet Pipe. - 034Motorsport - Audi

Includes conversion kit to to convert your P34 Intake from a stock turbo sized inlet to our larger SuperDuper Turbo Inlet Pipe. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4642913
Mfg#:
034-108-5043
In Stock
$250.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2515366 - S430TSTG14CHP - APR Stage I Performance Software - *Fully Loaded - Gains from 79 AWHP/58 AWTQ on 91 octane up to 103 AWHP/76 AWTQ on 100 octane - APR - Audi

Gains from 79 AWHP/58 AWTQ on 91 octane up to 103 AWHP/76 AWTQ on 100 octane Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
Vehicle must be brought to ECS Tuning for programming - *Fully loaded multi-program software available for pre-facelift models only (up to 2012 model year) *

Brand:
APR - Corporate Logo
ES#:
2515366
Mfg#:
S430TSTG14CHP
In Stock
$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3219312 - 30tfsiupgradeKT1 -  Stage II Software Upgrade - For Customers Without Existing APR Stage I Software - APR Supercharger Pulley Software upgrade for customers without existing APR Stage I software - APR - Audi

APR Supercharger Pulley Software upgrade for customers without existing APR Stage I software Call In Or Chat For Best Price!
For use with the APR Supercharger Pulley Upgrades - This upgrade must be performed at ECS Tuning's facili

Brand:
APR - Corporate Logo
ES#:
3219312
Mfg#:
30TFSIUPGRADEKT1
Back Ordered
$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4339359 - 917365 - RaceChip GTS Black - Get up to +66 hp and +52 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +66 hp and +52 lb-ft through a safe and easy to use tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4339359
Mfg#:
917365
Ships on Nov 30, 2026
$749.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4341513 - 06E109257AC - N205 Valve - Priced Each - Valve that controls cam adjustment (Camshaft solenoid adjuster) - Genuine Volkswagen Audi - Audi Volkswagen

Valve that controls cam adjustment (Camshaft solenoid adjuster)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4341513
Mfg#:
06E109257AC
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.

$206.99

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

$186.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3468816 - 034-402-4025 - Adjustable Front Sway Bar End Links - without hardware - Adjust preload on the sway bar, as well as alleviate any sway bar
clearance issues caused by lowering your car. - 034Motorsport - Audi

Adjust preload on the sway bar, as well as alleviate any sway bar clearance issues caused by lowering your car. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3468816
Mfg#:
034-402-4025
Ships in 2 Business Days
$249.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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!

Brand:
Emmanuele Design - Corporate Logo
ES#:
4872023
Mfg#:
EMD-33022-PR
Ships in 10 Business Days
$249.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3551608 - 0B5325330AKT2 - DSG Automatic Transmission Service Kit - Without Fluid - Includes a magnetic drain/fill plug, DSG trans filter, DSG cooling filter and gaskets to service your transmission - Assembled By ECS - Audi

Includes a magnetic drain/fill plug, DSG trans filter, DSG cooling filter and gaskets to service your transmission 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
Fits from the 2011 model year (2010 model year has cooling filter built-in to cooling line)

Brand:
Assembled By ECS - Corporate Logo
ES#:
3551608
Mfg#:
0B5325330AKT2
In Stock
$124.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#2828971 - 02029HD0F - Stage 2+ FX250 Clutch Kit - Featuring the Power Plus pressure plate paired with a sprung-hub dual friction Organic/Fiber Tough disc - 110% increased holding capacity - Clutch Masters - Audi

Featuring the Power Plus pressure plate paired with a sprung-hub dual friction Organic/Fiber Tough disc - 110% increased holding capacity Recommended to be used with Clutch Masters steel (FW-029-SF) or aluminum (FW-029-AL) flywheels

Brand:
Clutch Masters - Corporate Logo
ES#:
2828971
Mfg#:
02029HD0F
Ships in 3 Business Days
$745.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3993778 - 4K0413333B - Front Upper Strut Mount - Priced Each - Keep your suspension in top shape - Fits left & right side - Genuine Volkswagen Audi - Audi

Keep your suspension in top shape - Fits left & right side For models with standard & sport suspension (PR-Codes 1BA, 1BE)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3993778
Mfg#:
4K0413333B
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.

$91.67

This product was last offered at the strikethrough price on
09-29-2026

$82.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#8639 - N90663002 - Hex Bolt - Priced Each - Install new hardware with your new parts. M10x70 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M10x70 Secures the lower engine mount brackets to the vehicle

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
8639
Mfg#:
N90663002
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.

$11.96

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

$11.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4820926 - 07L127026ALKT1 - High Pressure Fuel Pump Kit  - Includes HPFP, Fuel Pump Cam Follower, and Hardware - Assembled By ECS - Audi Volkswagen

Includes HPFP, Fuel Pump Cam Follower, and Hardware 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
4820926
Mfg#:
07L127026ALKT1
Ships in 1-2 days
ON SALE!
$767.99

This product was last offered at the strikethrough price on
09-02-2026

$743.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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