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Audi S4 Performance Engine & Drivetrain Parts

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ES#2975802 - DPP-DL501-40TKT - APR DL501 S-Tronic TCU Software Upgrade - Enhanced launch control, optimized shift points, and much more! - APR - Audi

Enhanced launch control, optimized shift points, and much more! Call In Or Chat For Best Price!
*For models with 7-Speed S-Tronic (DL501) Transmission* This upgrade requires the vehicle to be dropped o

Brand:
APR - Corporate Logo
ES#:
2975802
Mfg#:
DPP-DL501-40TKT
In Stock
$499.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339358 - 917362 - RaceChip RS With App Control - Get up to +55 hp and +43 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Audi

Get up to +55 hp and +43 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4339358
Mfg#:
917362
Ships on Nov 24, 2026
$499.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3691238 - FMCT4  - Forge Oil Catch Tank  - Captures harmful contaminants, including oil deposits, unused fuel vapors, and moisture, before they make their way back through to the inlet of the engine. - Forge - Audi

Captures harmful contaminants, including oil deposits, unused fuel vapors, and moisture, before they make their way back through to the inlet of the engine.

Brand:
Forge - Corporate Logo
ES#:
3691238
Mfg#:
FMCT4
Ships on Nov 24, 2026
$494.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3176342 - 034-505-2001-SD - Street Density Rear Differential Bushings - Pair - Eliminates excessive rear differential movement and provides quick feedback - 034Motorsport - Audi

Eliminates excessive rear differential movement and provides quick feedback 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3176342
Mfg#:
034-505-2001-SD
Ships on Nov 25, 2026
$44.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4213367 - JB4-Audi-3.0TFSI - Burger Motorsports JB4 Tuner - Features CAN-Bus connectivity for more advanced tuning  gain up to 45hp/65lb-ft on a stock car - Burger Motorsports - Audi

Features CAN-Bus connectivity for more advanced tuning — gain up to 45hp/65lb-ft on a stock car Not for sale or use in the state of California.

Brand:
Burger Motorsports - Corporate Logo
ES#:
4213367
Mfg#:
JB4-AUDI-3.0TFSI
Ships on Nov 19, 2026
$479.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3021938 - EBFIB56ES2 - BFI Stage 2 Engine Mount - Priced Each - Keep your engine planted and transfer as much power to the ground as possible - Black Forest Industries - Audi Volkswagen

Keep your engine planted and transfer as much power to the ground as possible

Brand:
Black Forest Industries - Corporate Logo
ES#:
3021938
Mfg#:
EBFIB56ES2
Ships on Nov 25, 2026
$234.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4487795 - MS100218 - APR Universal Oil Catch Can - AN Fittings - Universal/Service part for APR's MS100199 full catch can system - APR - Audi Volkswagen Porsche

Universal/Service part for APR's MS100199 full catch can system Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4487795
Mfg#:
MS100218
Ships in 5 Business Days
11% off MSRP

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

$264.99

This product was last offered at the strikethrough price on
11-03-2026

$234.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4858154 - 034-102-1004 - Radiator Relocation Kit - The Radiator Relocation Kit is an integral component when swapping your B8/B8.5 A4/S4 Audi with the larger twin-turbo V8 engine. - 034Motorsport - Audi

The Radiator Relocation Kit is an integral component when swapping your B8/B8.5 A4/S4 Audi with the larger twin-turbo V8 engine. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles doing an engine swap only, not intended for OE usage

Brand:
034Motorsport - Corporate Logo
ES#:
4858154
Mfg#:
034-102-1004
Ships in 2 Business Days
$465.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4708059 - TS-0203-1022 - Kompact Dual Port Blow Off Valve Suit 25mm Inlet Fitting - Priced Each - Get those sweet turbo noises - TurboSmart - Audi

Get those sweet turbo noises

Brand:
TurboSmart - Corporate Logo
ES#:
4708059
Mfg#:
TS-0203-1022
In Stock at Vendor
10% off MSRP

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

$253.99

This product was last offered at the strikethrough price on
11-03-2026

$228.99 USD
Free Shipping
ES#3021937 - EBFIB56ES1 - BFI Stage 1 Engine Mount - Priced Each - Keep your engine planted and transfer as much power to the ground as possible - Black Forest Industries - Audi Volkswagen

Keep your engine planted and transfer as much power to the ground as possible

Brand:
Black Forest Industries - Corporate Logo
ES#:
3021937
Mfg#:
EBFIB56ES1
Ships on Nov 25, 2026
$224.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4339357 - 917361 - RaceChip RS - Get up to +55 hp and +43 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +55 hp and +43 lb-ft through a safe and easy to use tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4339357
Mfg#:
917361
Ships on Nov 24, 2026
$449.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3647471 - ST-AEVI-1103S - Supertech Inconel Exhaust Valve - 1.8T/2.7T - Priced Each  - Stock sized valve head diameter, single groove keeper setup for high RPM use - Supertech - Audi Volkswagen

Stock sized valve head diameter, single groove keeper setup for high RPM use *Valves priced individually - For 1.8T - qty 8 needed / For 2.7T - qty 12 needed - Please see long description for additional valve seal/keeper informati

Brand:
Supertech - Corporate Logo
ES#:
3647471
Mfg#:
ST-AEVI-1103S
Back Ordered
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3219163 - MS100135 -  APR Supercharger Drive Pulley Upgrade - Decreases the diameter of the factory pulley from ~63.25mm to ~57.75mm, which in turn spins the supercharger ~9.5% faster. - APR - Audi Porsche

Decreases the diameter of the factory pulley from ~63.25mm to ~57.75mm, which in turn spins the supercharger ~9.5% faster. Call In Or Chat For Best Price!
- APR Stage II software is required to run any upgraded Pulley configuration and is sold separately - Ple

Brand:
APR - Corporate Logo
ES#:
3219163
Mfg#:
MS100135
Ships in 5 Business Days
11% off MSRP

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

$250.99

This product was last offered at the strikethrough price on
11-03-2026

$222.99 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.

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