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Audi B5 A4 Quattro 1.8T

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Audi B5 A4 Quattro 1.8T Engine Turbocharger Parts

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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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
251238
Mfg#:
058253039L
Ships in 1 day
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

K03/K04 Turbocharger Installation Kit

ES#3659712 - 058145540KT1 - K03/K04 Turbocharger Installation Kit - All hardware & gaskets to install a new turbocharger - Genuine Volkswagen Audi - Audi Volkswagen

All hardware & gaskets to install a new turbocharger affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3659712
Mfg#:
058145540KT1
Ships in 1 day
$278.99

This product was last offered at the strikethrough price on
02-24-2026

$239.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Inlet Hose

ES#2878443 - 058133356L - Turbo Inlet Hose - Connects the MAF housing to the turbo - Vaico - Audi Volkswagen

Connects the MAF housing to the turbo affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2878443
Mfg#:
058133356L
In Stock at Vendor
$122.99

This product was last offered at the strikethrough price on
05-07-2026

$119.99 USD
Free Shipping
on orders $49 and up

Turbosmart Boost Tee Manual Boost Controller - Black

ES#4430283 - TS-0101-1102 - Turbosmart Boost Tee Manual Boost Controller - Black - In-car boost controller for fine tuning - TurboSmart - Audi Volkswagen MINI Porsche

In-car boost controller for fine tuning affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TurboSmart - Corporate Logo
ES#:
4430283
Mfg#:
TS-0101-1102
In Stock at Vendor
10% off MSRP

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

$124.99

This product was last offered at the strikethrough price on
07-09-2026

$112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Return Tube

ES#277619 - 058121492A - Coolant Return Tube - Secured to the turbocharger using the integrated connector - Genuine Volkswagen Audi - Audi

Secured to the turbocharger using the integrated connector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277619
Mfg#:
058121492A
Ships in 5 Business Days
6% off MSRP

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

$219.99

This product was last offered at the strikethrough price on
07-09-2026

$205.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Inlet Hose - 3"

ES#2864573 - 034-145-A043 - Turbo Inlet Hose - 3" - To be used in conjunction with 2.75" ID MAF housing and stock-location big turbo upgrades - 034Motorsport - Audi Volkswagen

To be used in conjunction with 2.75" ID MAF housing and stock-location big turbo upgrades affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
To be used in conjuction with 2.75" ID TT225 MAF housing & stock-location big turbo upgrades

Brand:
034Motorsport - Corporate Logo
ES#:
2864573
Mfg#:
034-145-A043
Ships in 2 Business Days
ON SALE! SAVE 10%
$223.00

This product was last offered at the strikethrough price on
06-28-2026

$200.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer - Priced Each

ES#4013695 - N0138149 - Sealing Washer - Priced Each - Install new hardware with your new parts. M14x18 - Victor Reinz - Audi Volkswagen

Install new hardware with your new parts. M14x18 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
4013695
Mfg#:
N0138149
In Stock
$3.99

This product was last offered at the strikethrough price on
05-07-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heat Insulation

ES#5320 - 8D0971461 - Heat Insulation - Small OEM heat insulation, approx 4x4, that can be used in multiple applications - Genuine Volkswagen Audi - Audi Volkswagen

Small OEM heat insulation, approx 4x4, that can be used in multiple applications affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5320
Mfg#:
8D0971461
Ships in 1 day
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Return Line

ES#4298 - 06B145735F - Oil Return Line - Connects the turbocharger to the oil pan - Genuine Volkswagen Audi - Audi Volkswagen

Connects the turbocharger to the oil pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4298
Mfg#:
06B145735F
In Stock at Vendor
45% off MSRP

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

$345.99

This product was last offered at the strikethrough price on
04-15-2026

$190.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wastegate Actuator Spring Tuning Kit

ES#1832543 - FMPACTUN - Wastegate Actuator Spring Tuning Kit - Fine tune your wastegate to the exact needs of your engine - Forge - Audi Volkswagen

Fine tune your wastegate to the exact needs of your engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
1832543
Mfg#:
FMPACTUN
Ships on Aug 19, 2026
ON SALE! SAVE 10%
$52.99

This product was last offered at the strikethrough price on
07-01-2026

$47.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Inlet Hose - 2.5"

ES#2864574 - 034-145-A045 - Turbo Inlet Hose - 2.5" - Upgrade to the 2.75" ID TT225 MAF housing - For vehicles with GTRS/GT2871R Eliminator turbo - 034Motorsport - Audi Volkswagen

Upgrade to the 2.75" ID TT225 MAF housing - For vehicles with GTRS/GT2871R Eliminator turbo affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
To be used in conjuction with 2.75" ID TT225 MAF housing & GTRS/GT281R Turbo

Brand:
034Motorsport - Corporate Logo
ES#:
2864574
Mfg#:
034-145-A045
Ships in 2 Business Days
ON SALE! SAVE 10%
$203.00

This product was last offered at the strikethrough price on
06-28-2026

$182.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt - Priced Each

ES#4004626 - N10303607 - Allen Bolt - Priced Each - Install new hardware with your new parts. M8x16 - Rein - Audi Volkswagen

Install new hardware with your new parts. M8x16 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Secures the turbo support bracket to the turbocharger

Brand:
Rein - Corporate Logo
ES#:
4004626
Mfg#:
N10303607
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Hose - Supply

ES#3448652 - 058121497B - Turbo Coolant Hose - Supply - Connects the turbocharger to the connection flange - Rein - Audi Volkswagen

Connects the turbocharger to the connection flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3448652
Mfg#:
058121497B
In Stock
ON SALE!
$36.99

This product was last offered at the strikethrough price on
06-25-2026

$35.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Hose - Supply

ES#280023 - 06B121497F - Turbo Coolant Hose - Supply - Connects the turbocharger to the connection flange - Genuine Volkswagen Audi - Audi Volkswagen

Connects the turbocharger to the connection flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280023
Mfg#:
06B121497F
In Stock
Limited Qty Sale
$261.11

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

$170.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve

ES#279558 - 06A145710P - Diverter Valve - Cure the boost leak and restore power - Genuine Volkswagen Audi - Audi Volkswagen

Cure the boost leak and restore power affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8D-X-200001, split is in the 1999 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279558
Mfg#:
06A145710P
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.

$183.99

This product was last offered at the strikethrough price on
07-09-2026

$170.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mini Screw Style Clamp - Priced Each

ES#2940 - 21014 - Mini Screw Style Clamp - Priced Each - 12-14.3mm clamping range, 9mm's wide - Bremmen Parts - Audi BMW Volkswagen

12-14.3mm clamping range, 9mm's wide affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Secures the hoses to the N75 valve

Brand:
Bremmen Parts - Corporate Logo
ES#:
2940
Mfg#:
21014
In Stock
ON SALE! SAVE 26%
$3.99

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

$2.96 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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