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Audi B7 A4 Quattro 2.0T

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Audi B7 A4 Quattro 2.0T Engine Emission Parts

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PCV Valve Bolt - Priced Each

ES#471135 - N90905902 - PCV Valve Bolt - Priced Each - Bolt secures the PCV valve to the cylinder head. M5x16mm - Genuine Volkswagen Audi - Audi Volkswagen

Bolt secures the PCV valve to the cylinder head. M5x16mm Used to secure the PCV valve to the cylinder head, 4 required per car

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471135
Mfg#:
N90905902
In Stock
$2.99 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 For cabriolet models only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259455
Mfg#:
8E0201553E
Ships in 1-2 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
08-18-2026

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

Coupling hose

ES#4818447 - 06D133299C - Coupling hose - Connects the breather tube to the valve cover port - Bremmen Parts - Audi

Connects the breather tube to the valve cover port 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818447
Mfg#:
06D133299C
In Stock
ON SALE! SAVE 21%
$32.99

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

$26.10 USD
Free Shipping
on orders $49 and up
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.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436409
Mfg#:
8E0201183BA
Ships in 1-2 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
08-18-2026

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

Pressure Control Valve (PCV)

ES#4818468 - 06F129101R - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Bremmen Parts - Audi Volkswagen

Also called the "breather valve" or "oil separator" 10X Entries For Our 25th Anniversary Sweepstakes!

Up to production date 12/16/2005

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818468
Mfg#:
06F129101R
In Stock
ON SALE! SAVE 21%
$31.99

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

$25.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump

ES#2210965 - 06D145100H - Vacuum Pump - Generates vacuum when under positive pressure - Genuine Volkswagen Audi - Audi Volkswagen

Generates vacuum when under positive pressure

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2210965
Mfg#:
06D145100H
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.

$569.99

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

$530.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#281096 - 06F103221H - PCV Breather Hose - Connects the PCV valve to intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

Connects the PCV valve to intake manifold

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281096
Mfg#:
06F103221H
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.

$58.99

This product was last offered at the strikethrough price on
08-18-2026

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#2762341 - 06F103221H - PCV Breather Hose - Connects the PCV valve to intake manifold - URO - Audi Volkswagen

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

Brand:
URO - Corporate Logo
ES#:
2762341
Mfg#:
06F103221H
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - priced each

ES#2862769 - 24326 - Oxygen Sensor - priced each - Keep your engine running efficiently - NGK - Audi Volkswagen

Keep your engine running efficiently We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
2862769
Mfg#:
24326
In Stock at Vendor
$158.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Universal Oil Catch Can - AN Fittings

ES#4487795 - MS100218 - APR Universal Oil Catch Can - AN Fittings - Universal/Service part for APR's MS100199 full catch can system - APR - Audi Volkswagen Porsche

Universal/Service part for APR's MS100199 full catch can system Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4487795
Mfg#:
MS100218
Ships on Sep 17, 2026
11% off MSRP

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

$264.99

This product was last offered at the strikethrough price on
08-18-2026

$234.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thin Wall Oxygen Sensor Socket

ES#4001177 - CTA2064 - Thin Wall Oxygen Sensor Socket - Out of space? Use this thin wall socket. - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Out of space? Use this thin wall socket.

Brand:
CTA Tools - Corporate Logo
ES#:
4001177
Mfg#:
CTA2064
Ships in 9 Business Days
Auto Notify
$17.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump

ES#2779677 - 06D145100H - Vacuum Pump - Generates vacuum when under positive pressure - Vaico - Audi Volkswagen

Generates vacuum when under positive pressure We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2779677
Mfg#:
06D145100H
In Stock at Vendor
$476.99

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

$463.99 USD
Free Shipping
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

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

FSI Billet Catch Can Kit

ES#2848068 - CTS-CC-B7-FSI - FSI Billet Catch Can Kit - Reduce oil deposits that lower performance - CTS - Audi

Reduce oil deposits that lower performance

Brand:
CTS - Corporate Logo
ES#:
2848068
Mfg#:
CTS-CC-B7-FSI
Ships in 7 Business Days
$449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor -Left (Cylinders 4-6)

ES#319091 - 1K0998262N - Oxygen Sensor -Left (Cylinders 4-6) - Found before the catalytic converter - Genuine Volkswagen Audi - Audi Volkswagen

Found before the catalytic converter

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
319091
Mfg#:
1K0998262N
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.

$462.99

This product was last offered at the strikethrough price on
08-18-2026

$431.99 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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