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Audi S4 Most Popular Parts

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APR Upgraded Ignition Coils - Grey - Set Of Six

ES#4164405 - MS100203-6KT - APR Upgraded Ignition Coils - Grey - Set Of Six - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi Porsche

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! Call In Or Chat For Best Price!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4164405
Mfg#:
MS100203-6KT
EO#:
D-783-5
In Stock
$317.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

front underbody lining - right

ES#451411 - 8K0825202A - front underbody lining - right - Helps protect the underbody and components from road debris - Genuine Volkswagen Audi - Audi

Helps protect the underbody and components from road debris

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451411
Mfg#:
8K0825202A
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.

$117.99

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

$105.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#5470574 - 06E121018K - Water Pump - New water pump with coolant housing, does not include pulley - Bremmen Parts - Audi Volkswagen

New water pump with coolant housing, does not include pulley 10X Entries Into Our F80 M3 Sweepstakes
Fits from the 2013 model year (facelift)

Brand:
Bremmen Parts - Corporate Logo
ES#:
5470574
Mfg#:
06E121018K
Ships on Feb 24, 2027
$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#2713078 - 075121113D - Thermostat - 80C - Includes sealing O-Ring - Vemo - Audi Volkswagen

Includes sealing O-Ring Lower temperature thermostat, stock is 87°C

Brand:
Vemo - Corporate Logo
ES#:
2713078
Mfg#:
075121113D
Ships in 2 Business Days
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Handling Packages

ES#4877160 - 034-4ZZ-0020 - 034Motorsport Handling Packages - Staged handling upgrades to best optimize the handling performance of the Audi S4 or S5! - 034Motorsport - Audi

Staged handling upgrades to best optimize the handling performance of the Audi S4 or S5! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4877160
Mfg#:
034-4ZZ-0020
Back Ordered
Starting at $952.00 USD
Customize
Free Shipping
on orders $49 and up

Crankcase Breather Tube

ES#3971327 - 06M103217DD - Crankcase Breather Tube - Restore proper crankcase ventilation and cure vacuum leaks with this direct-replacement breather hose, featuring an integrated check valve for reliable PCV operation. - Genuine Volkswagen Audi - Audi

Restore proper crankcase ventilation and cure vacuum leaks with this direct-replacement breather hose, featuring an integrated check valve for reliable PCV operation.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3971327
Mfg#:
06M103217DD
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.

$136.99

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

$118.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Window Regulator - Left (8E0837461C)

ES#2709448 - 8E0837461C - Front Window Regulator - Left (8E0837461C) - Does not include the window motor - URO - Audi

Does not include the window motor 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Sedan and Avant models only

Brand:
URO - Corporate Logo
ES#:
2709448
Mfg#:
8E0837461C
Back Ordered
$67.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intensity Lithium-ION Battery - i34RX - 11.5lbs

ES#3617641 - i34RX - Intensity Lithium-ION Battery - i34RX - 11.5lbs - Replace your stock, heavy battery with a direct replacement, lightweight performance Lithium battery that weighs in at only 11.5lbs! - Braille - Audi MINI

Replace your stock, heavy battery with a direct replacement, lightweight performance Lithium battery that weighs in at only 11.5lbs! This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
Braille - Corporate Logo
ES#:
3617641
Mfg#:
I34RX
Ships on Nov 24, 2026
$949.99 USD
Free Shipping
on orders $49 and up

Chrome-Moly Forged Lightweight Flywheel

ES#4046130 - SMFL-B6B7S4-KIT - Chrome-Moly Forged Lightweight Flywheel - 11lbs lighter than OEM Flywheel - JH Motorsports - Audi

11lbs lighter than OEM Flywheel Must use B7 S4 clutch

Brand:
JH Motorsports - Corporate Logo
ES#:
4046130
Mfg#:
SMFL-B6B7S4-KIT
Ships on Nov 23, 2026
$949.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI GS2 Heavy Weight Shift Knob - Black Anodized - Air Leather

Weighing in at approximately 215 grams the added inertial mass makes shifting effort substantially less while speeding up the process at the same time.

Brand:
Black Forest Industries - Corporate Logo
ES#:
4840410
Mfg#:
GS2SPDK
Ships on Nov 30, 2026
Starting at $189.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/Pressure Control Valve (PCV)

ES#5470814 - 06M103515H - Oil Separator/Pressure Control Valve (PCV) - Also known as the "PCV". Located on the valve cover - URO - Audi Porsche

Also known as the "PCV". Located on the valve cover 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
5470814
Mfg#:
06M103515H
In Stock
$105.99

This product was last offered at the strikethrough price on
05-25-2026

$94.99 USD
Free Shipping
on orders $49 and up

Tensioning Lever

ES#4626 - 078109487A - Tensioning Lever - Applies pressure from the damper to the tensioner roller - Ina - Audi Volkswagen

Applies pressure from the damper to the tensioner roller We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
4626
Mfg#:
078109487A
In Stock
$42.59

This product was last offered at the strikethrough price on
08-23-2026

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#4361442 - 06E905115GKT2 - Ignition Service Kit - Includes six Bremi red coil packs and six NGK spark plugs to service your ignition - Assembled By ECS - Audi

Includes six Bremi red coil packs and six NGK spark plugs to service your ignition 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4361442
Mfg#:
06E905115GKT2
In Stock
$250.99

This product was last offered at the strikethrough price on
10-13-2026

$249.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3+ Clutch Kit

ES#2570136 - SA863F - Stage 3+ Clutch Kit - Features a full faced, carbon semi-metallic disc with a torque rating of 689 ft/lbs - Spec Clutches - Audi

Features a full faced, carbon semi-metallic disc with a torque rating of 689 ft/lbs

Brand:
Spec Clutches - Corporate Logo
ES#:
2570136
Mfg#:
SA863F
Ships in 9 Business Days
$949.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18" 5 Spoke Wheel - Priced Each

ES#4148666 - 80A601025BE - 18" 5 Spoke Wheel - Priced Each - 18"x8" ET 39, does not include center cap - Genuine Volkswagen Audi - Audi

18"x8" ET 39, does not include center cap

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4148666
Mfg#:
80A601025BE
Ships in 4 Business Days
5% off MSRP

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

$992.99

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

$945.99 USD
This product is lifetime replacement eligible Lifetime Replacement

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