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Audi A4 Performance Engine & Drivetrain Parts

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Rear Differential Carrier Mount Bushing Insert Kit

ES#3132752 - 018327ECS01 - Rear Differential Carrier Mount Bushing Insert Kit - Decrease differential slop for better drivetrain response! - ECS - Audi

Decrease differential slop for better drivetrain response! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3132752
Mfg#:
018327ECS01
In Stock
ON SALE! SAVE 25%
$113.99

This product was last offered at the strikethrough price on
10-28-2026

$85.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Limited Slip Differential

ES#2836967 - 18309170WK - Front Limited Slip Differential - Put all your power to the ground! - Wavetrac - Audi

Put all your power to the ground! For models with 01E 6-Speed manual transmission only

Brand:
Wavetrac - Corporate Logo
ES#:
2836967
Mfg#:
18309170WK
Ships in 3 Business Days
$1515.99 USD
Free Shipping

Short Throw Shifter

ES#3450940 - SS-003 - Short Throw Shifter - Provide a more precise shift and allows for quicker shifting - Megan Racing - Audi

Provide a more precise shift and allows for quicker shifting

Brand:
Megan Racing - Corporate Logo
ES#:
3450940
Mfg#:
SS-003
In Stock
35% off MSRP

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

$110.00

This product was last offered at the strikethrough price on
11-02-2026

$72.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

X34 Carbon Fiber Intake Air Duct

ES#3988147 - 034-108-1024 - X34 Carbon Fiber Intake Air Duct - The perfect companion to the 034Motorsport X34 Carbon Fiber Cold Air Intake System - 034Motorsport - Audi

The perfect companion to the 034Motorsport X34 Carbon Fiber Cold Air Intake System 2X Entries Into Our F80 M3 Sweepstakes
*To be used with 034Motorsport X34 Intake System or most aftermarket intakes that utilize the OEM air duct*

Brand:
034Motorsport - Corporate Logo
ES#:
3988147
Mfg#:
034-108-1024
In Stock
$377.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

1.8T/2.0T Gen3 Diverter Valve Upgrade - Black

ES#4839642 - 013907LA01-03KT - 1.8T/2.0T Gen3 Diverter Valve Upgrade - Black - The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance. - ECS - Audi Volkswagen Porsche

The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4839642
Mfg#:
013907LA01-03KT
In Stock
ON SALE! SAVE 25%
$333.99

This product was last offered at the strikethrough price on
06-13-2026

$250.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR High Pressure Fuel Pump

ES#11994 - MS100016 - APR High Pressure Fuel Pump - Requires APR engine management software to allow for the increased flow of the APR pump. - APR - Audi Volkswagen

Requires APR engine management software to allow for the increased flow of the APR pump. Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
11994
Mfg#:
MS100016
Back Ordered
11% off MSRP

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

$1687.99

This product was last offered at the strikethrough price on
11-02-2026

$1499.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Coil Pack Hold-Down Bracket Kit

ES#4147796 - 034-107-Z028 - 034Motorsport Coil Pack Hold-Down Bracket Kit - Keep your upgraded 2.0T style coil packs cool and seated with the 034Motorsport Coil Pack Hold-Down Bracket Kit for Audi B5/B6 A4, 8N TT, VW, MkIV Beetle, MkIV GLI/Golf/GTI/Jetta/Rabbit, B5 Passat 1.8T vehicles! - 034Motorsport - Audi Volkswagen

Keep your upgraded 2.0T style coil packs cool and seated with the 034Motorsport Coil Pack Hold-Down Bracket Kit for Audi B5/B6 A4, 8N TT, VW, MkIV Beetle, MkIV GLI/Golf/GTI/Jetta/Rabbit, B5 Passat 1.8T vehicles! 2X Entries Into Our F80 M3 Sweepstakes
*Does not include 2.0T Coil Packs*

Brand:
034Motorsport - Corporate Logo
ES#:
4147796
Mfg#:
034-107-Z028
Ships in 3 Business Days
$208.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Build Your Own Power Package - Audi B8 A4 2.0T

ES#4017056 - B8A4PWRPK - Build Your Own Power Package - Audi B8 A4 2.0T - Go from mild to wild! Select the options you want for your build. - Assembled By ECS - Audi

Go from mild to wild! Select the options you want for your build. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4017056
Mfg#:
B8A4PWRPK
In Stock
ON SALE!
Starting at $0.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RA4 240mm Clutch Conversion Kit - Stage 3

ES#5490 - B6A4RA4S3-STEEL - RA4 240mm Clutch Conversion Kit - Stage 3 - The Ultimate - Lightweight flywheel with the RS4 Stage 3 pressure plate and disc - ECS - Audi

The Ultimate - Lightweight flywheel with the RS4 Stage 3 pressure plate and disc 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5490
Mfg#:
B6A4RA4S3-STEEL
Ships in 10 Business Days
$1442.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Blow-Off Valve Kit - Polished Valve

ES#2738365 - FMDVMK7A - Blow-Off Valve Kit - Polished Valve - Cure your leaking diverter valve problems for good! - Forge - Audi Volkswagen Porsche

Cure your leaking diverter valve problems for good!

Brand:
Forge - Corporate Logo
ES#:
2738365
Mfg#:
FMDVMK7A
Ships in 3 Business Days
$349.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RA4 240mm Clutch Conversion Kit - Stage 3

ES#5487 - RA4S3-STEEL - RA4 240mm Clutch Conversion Kit - Stage 3 - ECS RA4 Lightweight Flywheel with the Clutch Masters Stage 3 clutch kit - ECS - Audi Volkswagen

ECS RA4 Lightweight Flywheel with the Clutch Masters Stage 3 clutch kit 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5487
Mfg#:
RA4S3-STEEL
Ships in 10 Business Days
$1376.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Intercooler Hose Kit

ES#2848048 - CTSSILB7ITKIT - Silicone Intercooler Hose Kit - Add a better flowing, stronger set of hoses to your vehicle and keep it running strong. - CTS - Audi

Add a better flowing, stronger set of hoses to your vehicle and keep it running strong.

Brand:
CTS - Corporate Logo
ES#:
2848048
Mfg#:
CTSSILB7ITKIT
Ships in 9 Business Days
ON SALE! SAVE 15%
$179.99

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

$152.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Front Mount Intercooler

ES#3980512 - FMINT12 - Performance Front Mount Intercooler - Offering a huge 128% increase in frontal area and matching increase in internal volume - Forge - Audi

Offering a huge 128% increase in frontal area and matching increase in internal volume

Brand:
Forge - Corporate Logo
ES#:
3980512
Mfg#:
FMINT12
Ships on Nov 24, 2026
$1372.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 Endurance Clutch Kit

ES#3106531 - k70350fhdofeKT - Stage 2 Endurance Clutch Kit - Designed for track use while still streetable. Conservatively rated at 450ft/lbs. - South Bend Clutch - Audi

Designed for track use while still streetable. Conservatively rated at 450ft/lbs. Includes single mass flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106531
Mfg#:
K70350FHDOFEKT
Ships on Nov 20, 2026
$1367.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Street Sport Engine Mount - Priced Each

ES#4070112 - CTS-EM-B567-50D - CTS Street Sport Engine Mount - Priced Each - 50 Durometer rubber construction - CTS - Audi

50 Durometer rubber construction

Brand:
CTS - Corporate Logo
ES#:
4070112
Mfg#:
CTS-EM-B567-50D
In Stock
ON SALE! SAVE 20%
$94.99

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

$75.99 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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Manufacturer names and/or part numbers are used only for identification purposes.

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