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Audi S4 Engine Turbocharger Parts

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Billet R1 Diverter Valve - Pair

ES#4039652 - dv100001KT - Billet R1 Diverter Valve - Pair - Less maintenance, more boost. Kit includes two valves for twin-turbo applications. - APR - Audi Porsche

Less maintenance, more boost. Kit includes two valves for twin-turbo applications. Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4039652
Mfg#:
DV100001KT
Ships in 9 Business Days
$583.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

K03 Turbocharger - Left

ES#259913 - 078145701S - K03 Turbocharger - Left - Restore boost and get going! - BorgWarner - Audi

Restore boost and get going!

Brand:
BorgWarner - Corporate Logo
ES#:
259913
Mfg#:
078145701S
Back Ordered
$1166.99 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

Turbocharger Wastegate Actuator

ES#3181958 - 06M145461D - Turbocharger Wastegate Actuator - Replace your failing actuator to restore boost and get going! - Genuine Volkswagen Audi - Audi

Replace your failing actuator to restore boost and get going!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3181958
Mfg#:
06M145461D
Ships in 1 day
7% off MSRP

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

$441.99

This product was last offered at the strikethrough price on
07-22-2026

$411.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Forge Motorsport Recirculating Valve - Black

ES#3980510 - FMDV13R - Forge Motorsport Recirculating Valve - Black - Engineered to remedy the failure issues experienced with the OEM solenoid valves when the diaphragm or plastic piston fails - Forge - Audi

Engineered to remedy the failure issues experienced with the OEM solenoid valves when the diaphragm or plastic piston fails

Brand:
Forge - Corporate Logo
ES#:
3980510
Mfg#:
FMDV13R
In Stock
$280.99 USD
Free Shipping
on orders $49 and up
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

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

Audi / Porsche EA839 3.0T VTA Adapter System

ES#4715320 - 01-839-02093-5 - Audi / Porsche EA839 3.0T VTA Adapter System - Simple bolt-on solution for attaining the "blow-off" sound that many people are fond of on turbocharged vehicles! - Weistec - Audi Porsche

Simple bolt-on solution for attaining the "blow-off" sound that many people are fond of on turbocharged vehicles!

Brand:
Weistec - Corporate Logo
ES#:
4715320
Mfg#:
01-839-02093-5
In Stock
$139.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S4 2.7T Turbo Boost Leak Tester

ES#4346286 - AUD27TS4325B2TTN - S4 2.7T Turbo Boost Leak Tester - Find the turbo leak and get full BOOST! - Turbo Boost Leak Testers - Audi

Find the turbo leak and get full BOOST!

Brand:
Turbo Boost Leak Testers - Corporate Logo
ES#:
4346286
Mfg#:
AUD27TS4325B2TTN
In Stock
$75.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Waste Gate Frequency Control N75 Valve

ES#4039415 - 078906283B - Waste Gate Frequency Control N75 Valve - Controls the boost pressure on the turbocharger system - Vemo - Audi

Controls the boost pressure on the turbocharger system

Brand:
Vemo - Corporate Logo
ES#:
4039415
Mfg#:
078906283B
In Stock
ON SALE!
$138.99

This product was last offered at the strikethrough price on
05-14-2026

$126.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbosmart Gen-V Race Port BOV - Black

ES#4007248 - TS-0204-1132 - Turbosmart Gen-V Race Port BOV - Black - The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines - TurboSmart - Audi Volkswagen

The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines *General use blow off valve for custom big turbo applications - Not a direct fit valve*

Brand:
TurboSmart - Corporate Logo
ES#:
4007248
Mfg#:
TS-0204-1132
In Stock
$335.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Y-Pipe Hose Pair

ES#2864562 - 034-108-3002 - Silicone Y-Pipe Hose Pair - Reinforced high-temp silicone for long life and abuse resistance - 034Motorsport - Audi

Reinforced high-temp silicone for long life and abuse resistance

Brand:
034Motorsport - Corporate Logo
ES#:
2864562
Mfg#:
034-108-3002
In Stock
$158.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Installation Hardware Kit

ES#4028229 - 034-145-B000 - Turbo Installation Hardware Kit - Includes inlet sealing rings, outlet gaskets, M10 allen bolts, turbo outlet studs, oil drain gaskets, o-rings and copper sealing washers. - 034Motorsport - Audi

Includes inlet sealing rings, outlet gaskets, M10 allen bolts, turbo outlet studs, oil drain gaskets, o-rings and copper sealing washers.

Brand:
034Motorsport - Corporate Logo
ES#:
4028229
Mfg#:
034-145-B000
In Stock
$118.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer - Priced Each

ES#9618 - 216-14018 - Sealing Washer - Priced Each - Install new hardware with your new parts. M14x18 - OE Aftermarket - Audi Volkswagen

Install new hardware with your new parts. M14x18

Brand:
OE Aftermarket - Corporate Logo
ES#:
9618
Mfg#:
216-14018
In Stock
$2.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stud - Priced Each

ES#3384 - N90778701 - Stud - Priced Each - Install new hardware with your new parts. M10x23.5 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M10x23.5 Used to secure the catalyst/downpipe to the turbocharger

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3384
Mfg#:
N90778701
In Stock
10% off MSRP

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

$9.99

This product was last offered at the strikethrough price on
07-22-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer - Priced Each

ES#466245 - N0138149 - Sealing Washer - Priced Each - Install new hardware with your new parts. M14.2x17.9x1.5 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M14.2x17.9x1.5

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466245
Mfg#:
N0138149
In Stock
24% off MSRP

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

$4.18

This product was last offered at the strikethrough price on
07-22-2026

$3.19 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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