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Audi B6 A4 Quattro 1.8T

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Audi B6 A4 Quattro 1.8T Engine Turbocharger Parts

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Diverter (Bypass) Valve OEM 710N

ES#4880731 - 034-145-5001 - Diverter (Bypass) Valve OEM 710N - New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves. - 034Motorsport - Audi Volkswagen

New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4880731
Mfg#:
034-145-5001
In Stock
ON SALE! SAVE 14%
$91.00

This product was last offered at the strikethrough price on
08-17-2026

$77.81 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#2804194 - 8D0253115 - Exhaust Gasket - Seals the turbocharger to the catalytic converter - Vaico - Audi Volkswagen

Seals the turbocharger to the catalytic converter We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2804194
Mfg#:
8D0253115
In Stock
$5.99

This product was last offered at the strikethrough price on
04-09-2026

$5.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Oil Line Gasket

ES#263908 - 058145757A - Turbo Oil Line Gasket - Seals the oil return lines to the oil pan - Genuine Volkswagen Audi - Audi Volkswagen

Seals the oil return lines to the oil pan

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
263908
Mfg#:
058145757A
In Stock
23% off MSRP

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

$14.95

This product was last offered at the strikethrough price on
08-24-2026

$11.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Oil Line Gasket - Priced Each

ES#10588 - YC0BB - Turbo Oil Line Gasket - Priced Each - Seals the oil return line to the turbocharger - Genuine Volkswagen Audi - Audi Volkswagen

Seals the oil return line to the turbocharger

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
10588
Mfg#:
058145757C
In Stock
ON SALE!
$13.32

This product was last offered at the strikethrough price on
08-23-2026

$13.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DV Tuning Kit

ES#1832055 - FMDVTUN - DV Tuning Kit - Fine tune your Blow Off/Diverter Valve to the exact needs of your engine with this complete tuning kit. - Forge - Audi Volkswagen

Fine tune your Blow Off/Diverter Valve to the exact needs of your engine with this complete tuning kit.

Brand:
Forge - Corporate Logo
ES#:
1832055
Mfg#:
FMDVTUN
Ships in 9 Business Days
Auto Notify
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WG38 Gen V Ultra-Gate 38 - 14PSI - Black

ES#3970382 - TS-0551-1012 - WG38 Gen V Ultra-Gate 38 - 14PSI - Black - Bolt on external wastegate from Turbosmart - TurboSmart - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Bolt on external wastegate from Turbosmart

Brand:
TurboSmart - Corporate Logo
ES#:
3970382
Mfg#:
TS-0551-1012
Ships on Sep 10, 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.

$430.99

This product was last offered at the strikethrough price on
08-24-2026

$387.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer - Priced Each

ES#2561282 - N0138514 - Sealing Washer - Priced Each - Used with the banjo bolt to create a leak free seal. 12x18 - Rein - Audi Volkswagen

Used with the banjo bolt to create a leak free seal. 12x18 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Seals the oil return line/adapter to the turbocharger

Brand:
Rein - Corporate Logo
ES#:
2561282
Mfg#:
N0138514
In Stock
$1.40 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High-temperature Silicone N75 Valve Hose - Priced Each

ES#3187742 - 034-145-A053 - High-temperature Silicone N75 Valve Hose - Priced Each - Connects the N75 valve to the turbocharger (Two required). Featuring durable silicone construction! - 034Motorsport - Audi Volkswagen

Connects the N75 valve to the turbocharger (Two required). Featuring durable silicone construction! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3187742
Mfg#:
034-145-A053
Ships in 2 Business Days
ON SALE! SAVE 10%
$26.00

This product was last offered at the strikethrough price on
08-17-2026

$23.40 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR K04 Software Upgrade Service

ES#2063664 - APRLNGK04-SWUSRV - APR K04 Software Upgrade Service - Software upgrade for existing APR Chip customers with a K04 already installed - Minimum requirements of K04-0015 turbocharger, Injectors, and high flow cat - APR - Audi

Software upgrade for existing APR Chip customers with a K04 already installed - Minimum requirements of K04-0015 turbocharger, Injectors, and high flow cat Call In Or Chat For Best Price!
For customers with existing APR software - This upgrade must be performed via our Chip & Ship method.

Brand:
APR - Corporate Logo
ES#:
2063664
Mfg#:
APRLNGK04-SWUSRV
In Stock
$369.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Turbosmart Gen-V Race Port BOV - Blue

ES#4007245 - TS-0204-1131 - Turbosmart Gen-V Race Port BOV - Blue - 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#:
4007245
Mfg#:
TS-0204-1131
In Stock at Vendor
$335.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Hose - Return

ES#2909 - 058121471B - Turbo Coolant Hose - Return - Connects the turbocharger to the hard water pipe - Continental - Audi Volkswagen

Connects the turbocharger to the hard water pipe We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2909
Mfg#:
058121471B
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#263525 - 8D0253115 - Exhaust Gasket - Seals the turbocharger to the catalytic converter - Genuine Volkswagen Audi - Audi Volkswagen

Seals the turbocharger to the catalytic converter

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
263525
Mfg#:
8D0253115
Ships in 6 Business Days
9% off MSRP

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

$70.65

This product was last offered at the strikethrough price on
08-23-2026

$64.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Tial MVS External Wastegate - V-banded 38mm - Black

ES#4033239 - TIL-WGT-022BK-AL - Tial MVS External Wastegate - V-banded 38mm - Black - Tial's new MV-S (V38) 38mm v-band external wastegate is the ultimate compact external wastegate solution - Tial - Audi Volkswagen

Tial's new MV-S (V38) 38mm v-band external wastegate is the ultimate compact external wastegate solution *General use wastegate for custom, externally gated big turbo applications - Not a direct fit wastegate*

Brand:
Tial - Corporate Logo
ES#:
4033239
Mfg#:
TIL-WGT-022BK-AL
Back Ordered
$325.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Self-Locking Nut - Priced Each

ES#4817 - N90369001 - Self-Locking Nut - Priced Each - Install new hardware with your new parts. M10 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M10 Used to secure the catalyst/downpipe to the turbo

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4817
Mfg#:
N90369001
In Stock
31% off MSRP

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

$17.45

This product was last offered at the strikethrough price on
07-08-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Gasket

ES#251238 - 058253039L - Exhaust Manifold Gasket - Seals the exhaust manifold to the cylinder head - Victor Reinz - Audi Volkswagen

Seals the exhaust manifold to the cylinder head

Brand:
Victor Reinz - Corporate Logo
ES#:
251238
Mfg#:
058253039L
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Securing Bolt - Longitudinal 1.8T K03/K04 - Priced Each

ES#4880739 - 034-145-B001 - Turbo Securing Bolt - Longitudinal 1.8T K03/K04 - Priced Each - These OEM bolts will ensure your K03/K04 turbo stays properly mounted to the exhaust manifold as Volkswagen and Audi intended. Three (3) Required Per Vehicle. - 034Motorsport - Audi

These OEM bolts will ensure your K03/K04 turbo stays properly mounted to the exhaust manifold as Volkswagen and Audi intended. Three (3) Required Per Vehicle. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4880739
Mfg#:
034-145-B001
In Stock
ON SALE! SAVE 14%
$15.00

This product was last offered at the strikethrough price on
08-17-2026

$12.83 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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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