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Audi B6 A4 Quattro 1.8T

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Audi B6 A4 Quattro 1.8T Engine Emission Parts

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Suction Pump

ES#252639 - 058133753D - Suction Pump - Restore engine performance - Genuine Volkswagen Audi - Audi Volkswagen

Restore engine performance

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
252639
Mfg#:
058133753D
In Stock
7% off MSRP

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

$91.65

This product was last offered at the strikethrough price on
08-19-2026

$85.47 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#467458 - N10124408 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x20 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x20

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467458
Mfg#:
N10124408
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#3173640 - 06F103235A - PCV Breather Hose - Connects the PCV valve to oil filter adapter - Rein - Audi Volkswagen

Connects the PCV valve to oil filter adapter 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3173640
Mfg#:
06F103235A
In Stock
$39.99

This product was last offered at the strikethrough price on
04-27-2026

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Reinforced Silicone Breather Hose Kit

ES#2864538 - 034-101-3002 - Reinforced Silicone Breather Hose Kit - Upgrade from weaker rubber hoses - 034Motorsport - Audi Volkswagen

Upgrade from weaker rubber hoses Up to VIN 8E-3-040000, split is in the 2003 model year

Brand:
034Motorsport - Corporate Logo
ES#:
2864538
Mfg#:
034-101-3002
Ships in 3 Business Days
ON SALE! SAVE 10%
$246.00

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

$221.40 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Suction Pump

ES#4818419 - 058133753D - Suction Pump - Restore engine performance - Bremmen Parts - Audi Volkswagen

Restore engine performance 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818419
Mfg#:
058133753D
In Stock
ON SALE! SAVE 23%
$16.99

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

$13.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Breather Tube

ES#4818428 - 06A103213F - Crankcase Breather Tube - Connects the oil filter adapter to the three-way valve housing - Bremmen Parts - Audi Volkswagen

Connects the oil filter adapter to the three-way valve housing 10X Entries For Our 25th Anniversary Sweepstakes!

Up to VIN 8E-3-500000, split is in the 2003 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818428
Mfg#:
06A103213F
In Stock
ON SALE! SAVE 10%
$13.99

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

$12.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump

Diagnosis pump for fuel system

Brand:
SMP - Corporate Logo
ES#:
4057654
Mfg#:
8E0906201K
In Stock at Vendor
$678.99

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

$659.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4352395 - 06E103464D - Pressure Control Valve (PCV) - Located beneath the intake manifold. - URO - Audi

Located beneath the intake manifold. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4352395
Mfg#:
06E103464D
Ships in 2 Business Days
$160.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#2894844 - 06A959253E - Secondary Air Injection Pump - Keep your engine running efficiently - Vemo - Audi Volkswagen

Keep your engine running efficiently

Brand:
Vemo - Corporate Logo
ES#:
2894844
Mfg#:
06A959253E
In Stock at Vendor
$213.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#4818464 - 06F103221H - PCV Breather Hose - Connects the PCV valve to intake manifold - Bremmen Parts - Audi Volkswagen

Connects the PCV valve to intake manifold 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818464
Mfg#:
06F103221H
In Stock
ON SALE! SAVE 23%
$16.99

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

$13.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#259455 - 8E0201553E - Gas Cap - Replace your leaking cap or the one left at the pump - Genuine Volkswagen Audi - Audi

Replace your leaking cap or the one left at the pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259455
Mfg#:
8E0201553E
Ships in 3 Business Days
8% off MSRP

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

$70.99

This product was last offered at the strikethrough price on
08-19-2026

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

Secondary Air Injection Pump

ES#2549999 - 06A959253E - Secondary Air Injection Pump - Keep your engine running efficiently - Pierburg - Audi Volkswagen Porsche

Keep your engine running efficiently

Brand:
Pierburg - Corporate Logo
ES#:
2549999
Mfg#:
06A959253E
In Stock at Vendor
$790.34

This product was last offered at the strikethrough price on
02-21-2026

$583.52 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B6 A4 1.8T Performance Baffled Oil Catch Can System - 8 oz.

ES#4906657 - 053538LA04KT - B6 A4 1.8T Performance Baffled Oil Catch Can System - 8 oz. - Keep your intake tract clean and oil free! Featuring a four-chamber baffled catch can, durable silicone hoses, and a plug & play bracket for seamless integration. - ECS - Audi

Keep your intake tract clean and oil free! Featuring a four-chamber baffled catch can, durable silicone hoses, and a plug & play bracket for seamless integration. 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8E-3-500001, split is in the 2003 model year.

Brand:
ECS - Corporate Logo
ES#:
4906657
Mfg#:
053538LA04KT
In Stock
ON SALE! SAVE 15%
$676.99

This product was last offered at the strikethrough price on
06-13-2026

$575.44 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vent Tube

ES#436409 - 8E0201183BA - Vent Tube - Connects the filler neck to the charcoal canister. - Genuine Volkswagen Audi - Audi

Connects the filler neck to the charcoal canister. From VIN 8E-4-000001, split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436409
Mfg#:
8E0201183BA
Ships in 3 Business Days
8% off MSRP

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

$623.99

This product was last offered at the strikethrough price on
08-19-2026

$570.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B6 A4 1.8T Performance Baffled Oil Catch Can System - 6 oz.

ES#4906656 - 053538la03KT - B6 A4 1.8T Performance Baffled Oil Catch Can System - 6 oz. - Keep your intake tract clean and oil free! Featuring a four-chamber baffled catch can, durable silicone hoses, and a plug & play bracket for seamless integration. - ECS - Audi

Keep your intake tract clean and oil free! Featuring a four-chamber baffled catch can, durable silicone hoses, and a plug & play bracket for seamless integration. 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8E-3-500001, split is in the 2003 model year.

Brand:
ECS - Corporate Logo
ES#:
4906656
Mfg#:
053538LA03KT
In Stock
ON SALE! SAVE 20%
$676.99

This product was last offered at the strikethrough price on
06-13-2026

$541.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose Connector

ES#2708697 - 06A103213F - Breather Hose Connector - Connects the oil filter adapter to the three-way valve housing - URO - Audi Volkswagen

Connects the oil filter adapter to the three-way valve housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2708697
Mfg#:
06A103213F
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Emission Parts

Repairing failed emission components doesn't just turn off the check engine light so you can pass your local emissions test, it also improves performance and fuel economy. ECS stocks all common emission controls, from oxygen sensors to PCV valves.

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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