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Audi S4 Performance Engine & Drivetrain Parts

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Complete Rear Differential Mount Kit

ES#3172515 - 018327ecs01KT - Complete Rear Differential Mount Kit - Includes the ECS Rear Differential Mount and Carrier Mount Inserts! - ECS - Audi

Includes the ECS Rear Differential Mount and Carrier Mount Inserts! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3172515
Mfg#:
018327ECS01KT
Ships on Aug 17, 2026
Auto Notify
ON SALE! SAVE 15%
$385.99

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

$328.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B5 S4 Center Differential Delete - NO WELDING NEEDED

ES#4637661 - 015434LA01A - B5 S4 Center Differential Delete - NO WELDING NEEDED - Easily allows the removal of center differential when converting your B5 S4 to RWD (rear wheel drive) from Quattro - ECS - Audi

Easily allows the removal of center differential when converting your B5 S4 to RWD (rear wheel drive) from Quattro 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4637661
Mfg#:
015434LA01A
Ships on Nov 30, 2026
ON SALE! SAVE 25%
$611.99

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

$458.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Competition Intercooler With Charge Pipe Kit

The high performance intercooler core provides a 134% larger frontal area and 105% more volume compared to the stock mounted intercooler. Includes charge pipe kit. **This kit is for European vehicle fitment**

Brand:
Wagner Tuning - Corporate Logo
ES#:
4489117
Mfg#:
200001120.PIPE.E
Back Ordered
$1140.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Garrett GEN2 GTX3076R Dual Ball Bearing turbocharger

ES#4135253 - GRT-TBO-K51 - Garrett GEN2 GTX3076R Dual Ball Bearing turbocharger - Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). - ATP - Audi Volkswagen

Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). Used for custom, big turbo applications only - ECS Tuning does not offer support on tuning, fueling, exhaust manifold, etc

Brand:
ATP - Corporate Logo
ES#:
4135253
Mfg#:
GRT-TBO-K51
Ships in 7 Business Days
$2265.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Carbon Fiber Intake Lid

ES#3660590 - IEINCG4 - IE Carbon Fiber Intake Lid - Add some style, class, and sporty look to your IE S4 or S5 3.0T Cold Air Intake with this direct-fit carbon fiber lid! - Integrated Engineering - Audi

Add some style, class, and sporty look to your IE S4 or S5 3.0T Cold Air Intake with this direct-fit carbon fiber lid! 5X Entries For Our 25th Anniversary Sweepstakes!
To be used in Integrated Engineering Cold Air Intake System: IEINCG2A or IEINSG1

Brand:
Integrated Engineering - Corporate Logo
ES#:
3660590
Mfg#:
IEINCG4
In Stock
$321.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Delete Plug Set - Audi B5/B6/B7 - M16 Thread

ES#4375715 - 012417LA01 - Front Axle Delete Plug Set - Audi B5/B6/B7 - M16 Thread - Easily allows the removal of front axles when converting your B5/B6/B7 to RWD (rear wheel drive) from Quattro - ECS - Audi

Easily allows the removal of front axles when converting your B5/B6/B7 to RWD (rear wheel drive) from Quattro 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8D-1-050001, split is in the 2001 model year

Brand:
ECS - Corporate Logo
ES#:
4375715
Mfg#:
012417LA01
In Stock
ON SALE! SAVE 25%
$133.99

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

$100.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Calico Coated ACL Race Rod Bearing Set

ES#2793997 - CAL4B1606HC5 - IE Calico Coated ACL Race Rod Bearing Set - Real Deal Calico Coated Rod Bearings - Full set for 5 rods, standard clearance - Integrated Engineering - Audi

Real Deal Calico Coated Rod Bearings - Full set for 5 rods, standard clearance 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2793997
Mfg#:
CAL4B1606HC5
Ships in 10 Business Days
$146.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B9 A4/S4 Carbon Fiber Inlet Scoop

ES#3537354 - 024641ecs02KT - B9 A4/S4 Carbon Fiber Inlet Scoop - Channel air to your intake with performance syle! - ECS - Audi

Channel air to your intake with performance syle! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3537354
Mfg#:
024641ECS02KT
Ships on Dec 16, 2026
ON SALE! SAVE 10%
$271.61

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

$244.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

R-Series Stage 3 Clutch

ES#4368616 - JHM-RSerB830TClu - R-Series Stage 3 Clutch - Featuring a Ceramic/Metal Backed Organic clutch disc - JH Motorsports - Audi

Featuring a Ceramic/Metal Backed Organic clutch disc

Brand:
JH Motorsports - Corporate Logo
ES#:
4368616
Mfg#:
JHM-RSERB830TCLU
Ships in 1 Business Day
$1099.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Motorsport TrackSport Engine Mount Pair

ES#2993008 - 034-509-0047 - Motorsport TrackSport Engine Mount Pair - Density line rubber damping to maximize strength and durability - 034Motorsport - Audi

Density line rubber damping to maximize strength and durability

Brand:
034Motorsport - Corporate Logo
ES#:
2993008
Mfg#:
034-509-0047
Back Ordered
$611.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump Tool

ES#4505757 - 034-106-Z056 - High Pressure Fuel Pump Tool - Designed to make the disassembly and reassembly of the high pressure fuel pump a breeze! - 034Motorsport - Audi

Designed to make the disassembly and reassembly of the high pressure fuel pump a breeze!

Brand:
034Motorsport - Corporate Logo
ES#:
4505757
Mfg#:
034-106-Z056
In Stock
$28.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Plus IE Performance ECU Tune - Includes Stage 3 TCU Tune & POWERlink Cable

ES#4493831 - IESOVZ14TCU - Stage 3 Plus IE Performance ECU Tune - Includes Stage 3 TCU Tune & POWERlink Cable - Easy upgrade into hybrid turbo power levels delivering up to 715HP and 678TQ. - Integrated Engineering - Audi

Easy upgrade into hybrid turbo power levels delivering up to 715HP and 678TQ. 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.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4493831
Mfg#:
IESOVZ14TCU
In Stock
$2177.99 USD
Free Shipping

Stainless Steel Bi-Pipe Set - Wrinkle Black

ES#3183538 - 034-108-5001-BLK - Stainless Steel Bi-Pipe Set - Wrinkle Black - Replace your restrictive OEM Audi bipipes with 034Motorsport's High-Flow Bi-pipe Set for the 2.7T! - 034Motorsport - Audi

Replace your restrictive OEM Audi bipipes with 034Motorsport's High-Flow Bi-pipe Set for the 2.7T!

Brand:
034Motorsport - Corporate Logo
ES#:
3183538
Mfg#:
034-108-5001-BLK
Ships in 2 Business Days
$301.00 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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