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Audi S4 Performance Engine & Drivetrain Parts

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Stage 3 Clutch Kit - Lightweight Aluminum Flywheel (9lb)

ES#2576033 - SA863KT - Stage 3 Clutch Kit - Lightweight Aluminum Flywheel (9lb) - Features a 6 puck, sprung hub disc with a torque rating of 580 ft/lbs - Spec Clutches - Audi

Features a 6 puck, sprung hub disc with a torque rating of 580 ft/lbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spec Clutches - Corporate Logo
ES#:
2576033
Mfg#:
SA863KT
Ships in 3 Business Days
$1289.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

034Motorsport Supercharger Heat Exchanger Upgrade Kit

ES#3639608 - 034-102-1000 - 034Motorsport Supercharger Heat Exchanger Upgrade Kit - Significantly reduces intake air temperatures - Core size increased From 148 sq. in. to 341 sq. in, and frontal area increased by 130% over stock cooler! - 034Motorsport - Audi

Significantly reduces intake air temperatures - Core size increased From 148 sq. in. to 341 sq. in, and frontal area increased by 130% over stock cooler! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Please Note: Vehicles equipped with a factory dynamic steering cooler must relocate - Please see description for more info*

Brand:
034Motorsport - Corporate Logo
ES#:
3639608
Mfg#:
034-102-1000
Ships in 2 Business Days
$1288.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Auxiliary Water Pump Delete Hose

ES#2864548 - 034-102-3010 - Silicone Auxiliary Water Pump Delete Hose - Reinforced silicone hose allows for simple removal of the failure-prone after run coolant pump - 034Motorsport - Audi

Reinforced silicone hose allows for simple removal of the failure-prone after run coolant pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864548
Mfg#:
034-102-3010
In Stock
$51.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3+ Clutch Kit

ES#3090774 - SA603F - Stage 3+ Clutch Kit - Features a full faced, carbon semi-metallic disc with a torque rating of 506 ft/lbs - Spec Clutches - Audi

Features a full faced, carbon semi-metallic disc with a torque rating of 506 ft/lbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spec Clutches - Corporate Logo
ES#:
3090774
Mfg#:
SA603F
Ships in 3 Business Days
$629.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Apex IE Performance ECU Tune - Includes TCU Tune & POWERlink Cable

ES#3706799 - iesocgjtcu - Apex IE Performance ECU Tune - Includes TCU Tune & POWERlink Cable - Average gain of 131 horsepower and 136 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 131 horsepower and 136 lb-ft of torque on 91 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
For vehicles with DSG transmission only

Brand:
Integrated Engineering - Corporate Logo
ES#:
3706799
Mfg#:
IESOCGJTCU
In Stock
$1248.99 USD
Free Shipping

Stage 2 Endurance Clutch Kit

ES#3106549 - ks4b8hdofeKT - Stage 2 Endurance Clutch Kit - Designed for track use while still streetable. Conservatively rated at 430ft/lbs. - South Bend Clutch - Audi

Designed for track use while still streetable. Conservatively rated at 430ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106549
Mfg#:
KS4B8HDOFEKT
In Stock
$1237.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Drag Clutch Kit

ES#3106507 - k70286fssdxdbKT - Stage 3 Drag Clutch Kit - Designed for dedicated for drag cars. Conservatively rated at 550ft/lbs. - South Bend Clutch - Audi

Designed for dedicated for drag cars. Conservatively rated at 550ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106507
Mfg#:
K70286FSSDXDBKT
Ships in 1 Business Day
$1237.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Endurance Clutch Kit

ES#3106510 - k70286sstzKT - Stage 3 Endurance Clutch Kit - Designed for dedicated track cars. Conservatively rated at 500ft/lbs. - South Bend Clutch - Audi

Designed for dedicated track cars. Conservatively rated at 500ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Recommended to be used with South Bend Flywheel SBC0504

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106510
Mfg#:
K70286SSTZKT
Ships in 1 Business Day
$1237.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Universal Catch Can Drain System

ES#3698456 - 003779ECS11 - ECS Tuning Universal Catch Can Drain System - Make draining your ECS or Turner Catch Can simple with this comprehensive kit - ECS - Audi Volkswagen MINI

Make draining your ECS or Turner Catch Can simple with this comprehensive kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3698456
Mfg#:
003779ECS11
In Stock
ON SALE! SAVE 26%
$70.99

This product was last offered at the strikethrough price on
05-02-2026

$52.52 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Burger Motorsports JB4 Tuner

ES#3639972 - JB4-B9-S4S5 - Burger Motorsports JB4 Tuner - This easy to install plug and play tuner attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost, timing, and fueling for optimal performance and reduced turbo lag. - Burger Motorsports - Audi

This easy to install plug and play tuner attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost, timing, and fueling for optimal performance and reduced turbo lag. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3639972
Mfg#:
JB4-B9-S4S5
Ships on Jun 23, 2026
$599.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4475297 - 06M905606F3KT - Performance Ignition Service Kit - Includes six Grey APR coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Grey APR coil packs and OEM spark plugs to service your ignition system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4475297
Mfg#:
06M905606F3KT
In Stock
$398.63 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil Pack - Set Of Six

ES#3691811 - 06h905110gKT4 - Ignition Coil Pack - Set Of Six - Keep your engine running strong - Genuine Volkswagen Audi - Audi

Keep your engine running strong affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3691811
Mfg#:
06H905110GKT4
In Stock
$587.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Daily Clutch Kit

ES#3106506 - k70286ssoKT - Stage 3 Daily Clutch Kit - Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 480ft/lbs. - South Bend Clutch - Audi

Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 480ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Works with stock flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106506
Mfg#:
K70286SSOKT
Ships in 1 Business Day
$1171.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Billet Flexplate

ES#4500291 - FP-060AM-HD - Lightweight Billet Flexplate - Prevent your stock flexplate from cracking with this Billet unit! - Clutch Masters - Audi

Prevent your stock flexplate from cracking with this Billet unit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Clutch Masters - Corporate Logo
ES#:
4500291
Mfg#:
FP-060AM-HD
Ships in 6 Business Days
$572.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Mount Bushing Insert Kit

ES#3161730 - 019208ecs01KT - Rear Differential Mount Bushing Insert Kit - Decrease differential bushing deflection for better drivetrain response! - ECS - Audi

Decrease differential bushing deflection for better drivetrain response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3161730
Mfg#:
019208ECS01KT
Ships in 6 Business Days
$126.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Track Density Line Transmission Mount - Priced Each

ES#2951986 - 034-509-4046td - Track Density Line Transmission Mount - Priced Each - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

Increase performance and durability without sacrificing comfort affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits the left and right side

Brand:
034Motorsport - Corporate Logo
ES#:
2951986
Mfg#:
034-509-4046TD
Back Ordered
Auto Notify
$95.00

This product was last offered at the strikethrough price on
12-11-2025

$42.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

Let us help you find the parts that fit your Audi

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