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Audi B5 A4 FWD 1.8T

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Audi B5 A4 FWD 1.8T Engine Emission Parts

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Secondary Air Injection Pump

ES#284127 - 078906601M - Secondary Air Injection Pump - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running efficiently Engine codes ATW & AWM up to VIN 8D-Y-100000, split is in the 2000 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284127
Mfg#:
078906601M
Ships in 3 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.

$857.99

This product was last offered at the strikethrough price on
02-26-2026

$806.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2611 - 021906265AK - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2611
Mfg#:
021906265AK
In Stock at Vendor
$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#261091 - 034129101B - Pressure Control Valve (PCV) - Located on the turbo inlet pipe (19mm) - Genuine Volkswagen Audi - Audi Volkswagen

Located on the turbo inlet pipe (19mm) Engine codes AEB & ATW

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261091
Mfg#:
034129101B
Ships in 1-2 days
3% off MSRP

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

$86.99

This product was last offered at the strikethrough price on
07-19-2026

$83.99 USD
Free Shipping
on orders $49 and up
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!

Engine code AWM

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

Secondary Air Injection Pump

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

Keep your engine running efficiently Engine codes ATW & AWM from VIN 8D-Y-100001, split is in the 2000 model year

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

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 Engine codes ATW & AWM from VIN 8D-Y-100001, split is in the 2000 model year

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

$594.73 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#257104 - N90704007 - Hex Bolt - Priced Each - Install new hardware with your new parts. M7x55 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M7x55 Engine code AWM. Secures the oil filter adapter to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
257104
Mfg#:
N90704007
In Stock
$4.25 USD
Free Shipping
on orders $49 and up
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!
For vehicles with AWM engine code only

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

Billet Aluminum Block Breather Adapter - 1.8T

ES#4147630 - 034-101-5002 - Billet Aluminum Block Breather Adapter - 1.8T - 1" Nipple, billet aluminum block breather adapter for a custom crankcase breather setup - 034Motorsport - Audi Volkswagen

1" Nipple, billet aluminum block breather adapter for a custom crankcase breather setup

Brand:
034Motorsport - Corporate Logo
ES#:
4147630
Mfg#:
034-101-5002
In Stock
ON SALE! SAVE 10%
$25.00

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

$22.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal 10AN ORB To 3/8" Barb

ES#4460630 - rad20-0530 - Universal 10AN ORB To 3/8" Barb - This PCV can be used on the outlet of any Radium Engineering catch can - Radium Engineering - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This PCV can be used on the outlet of any Radium Engineering catch can

Brand:
Radium Engineering - Corporate Logo
ES#:
4460630
Mfg#:
RAD20-0530
In Stock
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Suction Pump

ES#2772076 - 058133753D - Suction Pump - Restore engine performance - URO - Audi Volkswagen

Restore engine performance 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2772076
Mfg#:
058133753D
In Stock
$28.42

This product was last offered at the strikethrough price on
03-25-2026

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Suction Pump

ES#2803814 - 058133753D - Suction Pump - Restore engine performance - Rein - Audi Volkswagen

Restore engine performance 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803814
Mfg#:
058133753D
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve

ES#2993025 - 079131101AR - EGR Valve - Also known as the 'combi valve' - Genuine Volkswagen Audi - Audi Volkswagen

Also known as the 'combi valve' Engine code AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2993025
Mfg#:
079131101AR
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.

$483.99

This product was last offered at the strikethrough price on
07-19-2026

$442.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Three-Way Valve Housing

ES#2966835 - 034-101-3038 - Silicone Three-Way Valve Housing - 'T' shaped connection below the intake manifold - 034Motorsport - Audi Volkswagen

'T' shaped connection below the intake manifold

Brand:
034Motorsport - Corporate Logo
ES#:
2966835
Mfg#:
034-101-3038
In Stock
ON SALE! SAVE 10%
$24.00

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

$21.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2897353 - 1K0998262AB - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Vemo - Audi Volkswagen

Keep your engine running efficiently

Brand:
Vemo - Corporate Logo
ES#:
2897353
Mfg#:
1K0998262AB
In Stock at Vendor
$160.99

This product was last offered at the strikethrough price on
06-11-2026

$142.99 USD
Free Shipping
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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