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Audi S4 Engine Turbocharger Parts

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Ultimate Turbocharger Installation Kit

ES#4736499 - 06M133026AKT - Ultimate Turbocharger Installation Kit - All hardware required for a successful install utilizing genuine components. - Assembled By ECS - Audi

All hardware required for a successful install utilizing genuine components. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4736499
Mfg#:
06M133026AKT
Ships in 1-2 days
ON SALE!
$237.99

This product was last offered at the strikethrough price on
09-30-2026

$234.88 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 Into Our F80 M3 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

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
In Stock
ON SALE! SAVE 20%
$149.99

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

$119.99 USD
Free Shipping
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 2X Entries Into Our F80 M3 Sweepstakes

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

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 Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3658989
Mfg#:
53049880025/26KT
Back Ordered
$3718.00

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

$3715.00 USD
Free Shipping
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 Into Our F80 M3 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

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 1 Business Day
$3499.00 USD
Free Shipping
on orders $49 and up
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
Back Ordered
$1166.99

This product was last offered at the strikethrough price on
08-13-2026

$1148.99 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

Turbosmart WG45 Gen V Hyper-Gate 45

ES#4643523 - ts-0553-1002 - Turbosmart WG45 Gen V Hyper-Gate 45 - More features, options and performance than any other gate. - TurboSmart - Audi BMW Volkswagen

More features, options and performance than any other gate.

Brand:
TurboSmart - Corporate Logo
ES#:
4643523
Mfg#:
TS-0553-1002
Ships on Nov 9, 2026
10% off MSRP

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

$518.99

This product was last offered at the strikethrough price on
10-22-2026

$467.99 USD
Free Shipping
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 Into Our F80 M3 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 1 Business Day
$3214.00

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

$3211.00 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 Into Our F80 M3 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

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 day
4% 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
10-22-2026

$3083.99 USD
Free Shipping
on orders $49 and up
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
In Stock
$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

Silicone Y-Pipe Hose Pair - Big Bore

ES#2864561 - 034-108-3001 - Silicone Y-Pipe Hose Pair - Big Bore - Allows a full 2.5" diameter transition to the lower RS4 inlet pipes - 034Motorsport - Audi

Allows a full 2.5" diameter transition to the lower RS4 inlet pipes 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864561
Mfg#:
034-108-3001
In Stock
$296.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve Kit

ES#4818158 - 06m145710fKT - Diverter Valve Kit - Replace your Diverter Valve with new bolts - Genuine Volkswagen Audi - Audi

Replace your Diverter Valve with new bolts

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4818158
Mfg#:
06M145710FKT
Ships in 9 Business Days
$172.99 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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Manufacturer names and/or part numbers are used only for identification purposes.

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