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Audi S4 Engine Turbocharger Parts

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TTE710 Turbo Upgrade - B9 S4/S5/SQ5 3.0T

ES#4493300 - TTE10388 - TTE710 Turbo Upgrade - B9 S4/S5/SQ5 3.0T - Pair this with the Integrated Engineering or 034 Motorsports Stage 3 tune for 600+hp! - The Turbo Engineers - Audi

Pair this with the Integrated Engineering or 034 Motorsports Stage 3 tune for 600+hp! Custom tuning software required for installation.

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4493300
Mfg#:
TTE10388
Ships in 9 Business Days
Auto Notify
$3906.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

K04/K03 Turbocharger Installation Kit

ES#1346 - RS4KO4INSTKIT - K04/K03 Turbocharger Installation Kit - All hardware & gaskets to install new 2.7T turbochargers. - Assembled By ECS - Audi

All hardware & gaskets to install new 2.7T turbochargers. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
1346
Mfg#:
RS4KO4INSTKIT
In Stock
$67.99

This product was last offered at the strikethrough price on
05-20-2026

$64.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RS4 K04 Turbochargers - Complete Kit

ES#3658989 - 53049880025/26KT - RS4 K04 Turbochargers - Complete Kit - Comprehensive kit includes the left & right side RS4 K04 turbochargers, 034Motorsport RS4 Inlet Pipe set, and associated installation hardware - Assembled By ECS - Audi

Comprehensive kit includes the left & right side RS4 K04 turbochargers, 034Motorsport RS4 Inlet Pipe set, and associated installation hardware 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3658989
Mfg#:
53049880025/26KT
Ships in 2 Business Days
$3718.00

This product was last offered at the strikethrough price on
06-19-2026

$3714.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

K03 Turbocharger - Right

ES#259914 - 078145702S - K03 Turbocharger - Right - Restore boost and get going! - BorgWarner - Audi

Restore boost and get going!

Brand:
BorgWarner - Corporate Logo
ES#:
259914
Mfg#:
078145702S
Ships in 2 Business Days
$1166.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Atmospheric Dump Valve - Black

ES#3612126 - FMDV13A - Atmospheric Dump Valve - Black - Prevent boost leaks with full billet construction - Forge - Audi

Prevent boost leaks with full billet construction

Brand:
Forge - Corporate Logo
ES#:
3612126
Mfg#:
FMDV13A
Ships in 4 Business Days
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Systems B9 S4/S5 3.0T Stage 2 Hybrid Turbocharger (650+ HP)

The Turbo Systems hybrid turbocharger is an original turbocharger that has been reworked to suit larger compressor and turbine wheels, along with a ball bearing cartridge.

Brand:
Emmanuele Design - Corporate Logo
ES#:
4415834
Mfg#:
TSH55TFSI-STG2
Ships in 2 Business Days
$3499.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Throttle Body Boot - Black

ES#2864571 - 034-112-6007-BLA - Silicone Throttle Body Boot - Black - Replaces the troublesome and weak "Y" boot - Includes clamps - 034Motorsport - Audi

Replaces the troublesome and weak "Y" boot - Includes clamps

Brand:
034Motorsport - Corporate Logo
ES#:
2864571
Mfg#:
034-112-6007-BLA
In Stock
$107.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Diverter Valve

ES#2862879 - CTSDV0005 - Billet Diverter Valve - Keep your turbo boosting like it should - CTS - Audi Volkswagen

Keep your turbo boosting like it should

Brand:
CTS - Corporate Logo
ES#:
2862879
Mfg#:
CTSDV0005
Ships in 8 Business Days
ON SALE! SAVE 20%
$149.99

This product was last offered at the strikethrough price on
07-10-2026

$119.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Self-Locking Nut - Priced Each

ES#2588753 - N90369001 - Self-Locking Nut - Priced Each - Install new hardware with your new parts. M10x1.5 - Rein - Audi BMW Volkswagen

Install new hardware with your new parts. M10x1.5 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Used to secure the catalyst/downpipe to the turbo

Brand:
Rein - Corporate Logo
ES#:
2588753
Mfg#:
N90369001
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RS4 K04 Turbochargers With Install Kit

ES#3247798 - 5304988002526KT - RS4 K04 Turbochargers With Install Kit - Includes the left (K04-025) & right (K04-026) side turbochargers with associated installation hardware - Assembled By ECS - Audi

Includes the left (K04-025) & right (K04-026) side turbochargers with associated installation hardware 10X Entries For Our 25th Anniversary Sweepstakes!
Does NOT include the RS4 or modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).

Brand:
Assembled By ECS - Corporate Logo
ES#:
3247798
Mfg#:
5304988002526KT
Ships in 2 Business Days
$3214.00

This product was last offered at the strikethrough price on
06-19-2026

$3210.72 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RS4 K04 Turbochargers

ES#4164822 - 5304988002526KT3 - RS4 K04 Turbochargers - Includes the left (K04-025) & right (K04-026) side turbochargers - BorgWarner - Audi

Includes the left (K04-025) & right (K04-026) side turbochargers Does NOT include hardware or the RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).

Brand:
BorgWarner - Corporate Logo
ES#:
4164822
Mfg#:
5304988002526KT3
Ships in 2 Business Days
$3070.99

This product was last offered at the strikethrough price on
07-02-2026

$3067.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger - OE

ES#4429103 - 06M145689AC - Turbocharger - OE - Complete turbocharger assembly to replace your failed unit - Restore boost and get going! - Genuine Volkswagen Audi - Audi

Complete turbocharger assembly to replace your failed unit - Restore boost and get going!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4429103
Mfg#:
06M145689AC
Ships in 1-2 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.

$3228.99

This product was last offered at the strikethrough price on
02-26-2026

$3063.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SXV T9302 Recirculating Bypass Valve

ES#4907811 - T9302 - SXV T9302 Recirculating Bypass Valve - Direct-fit performance solution for the weak factory diverter valve - Go Fast Bits - Audi Volkswagen Porsche

Direct-fit performance solution for the weak factory diverter valve

Brand:
Go Fast Bits - Corporate Logo
ES#:
4907811
Mfg#:
T9302
In Stock
$178.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

710N Diverter Valve - Priced Each

ES#2804306 - 06A145710NKT - 710N Diverter Valve - Priced Each - A great upgrade for stock to mildly tuned engines. Includes band clamps - Assembled By ECS - Audi Volkswagen

A great upgrade for stock to mildly tuned engines. Includes band clamps 10X Entries For Our 25th Anniversary Sweepstakes!
2 required

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804306
Mfg#:
06A145710NKT
In Stock
ON SALE! SAVE 24%
$51.99

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

$39.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Self-Locking Nut - Priced Each

ES#471101 - N90894601 - Self-Locking Nut - Priced Each - Install new hardware with your new parts. M8 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8 Used to secure the turbocharger to the cylinder head - qty 4 required - outer

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471101
Mfg#:
N90894601
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Turbocharger Parts

Whether you're repairing an existing turbo or adding one, ECS Tuning has turbos, turbo kits, and all the turbocharger hardware and valving you need to turn forced induction into added power.

Let us help you find the parts that fit your Audi

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