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Audi B8/B8.5 A4 Quattro V6 3.2L

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Audi B8/B8.5 A4 Quattro V6 3.2L Engine Emission Parts

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Rear Oxygen Sensor - Priced Each

ES#4069386 - 06E906265Q - Rear Oxygen Sensor - Priced Each - Fits left and right side - Bosch - Audi

Fits left and right side We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4069386
Mfg#:
06E906265Q
In Stock
ON SALE!
$192.18

This product was last offered at the strikethrough price on
08-26-2026

$177.77 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum System Repair Kit

ES#2515457 - 51731257971KT - Vacuum System Repair Kit - Kit includes vacuum T fittings, vacuum line, and one way check valve - Assembled By ECS - Audi Volkswagen

Kit includes vacuum T fittings, vacuum line, and one way check valve 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2515457
Mfg#:
51731257971KT
In Stock
ON SALE!
$47.99

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

$46.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 4-Wire Oxygen Sensor - Priced Each

ES#2532224 - 15733 - Universal 4-Wire Oxygen Sensor - Priced Each - Four wire universal OBD-II Oxygen sensor - Bosch - Audi BMW Volkswagen

Four wire universal OBD-II Oxygen sensor We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2532224
Mfg#:
15733
In Stock
$74.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vacuum System Repair Kit

ES#279586 - 06A198011B - Vacuum System Repair Kit - Restore engine performance with this new kit - Genuine Volkswagen Audi - Audi Volkswagen

Restore engine performance with this new kit

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279586
Mfg#:
06A198011B
Ships in 3 Business Days
17% off MSRP

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

$178.32

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

$148.36 USD
Free Shipping

RS5 Gas Cap

ES#3457816 - 8W0201550B - RS5 Gas Cap - Fuel filler cap with Audi 'RS' logo - Includes retaining strap - Genuine Volkswagen Audi - Audi

Fuel filler cap with Audi 'RS' logo - Includes retaining strap

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3457816
Mfg#:
8W0201550B
In Stock
9% off MSRP

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

$85.00

This product was last offered at the strikethrough price on
08-31-2026

$76.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Tool - 22mm

ES#3673912 - B8800067 - Oxygen Sensor Tool - 22mm - 1/2" Drive - 7/8" x 6" - Extra Long - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

1/2" Drive - 7/8" x 6" - Extra Long 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673912
Mfg#:
B8800067
Ships on Sep 30, 2026
Auto Notify
ON SALE! SAVE 20%
$29.99

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

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Universal Catch Can Drain System

ES#3698456 - 003779ECS11 - ECS Tuning Universal Catch Can Drain System - Make draining your ECS or Turner Catch Can simple with this comprehensive kit - ECS - Audi Volkswagen MINI

Make draining your ECS or Turner Catch Can simple with this comprehensive kit 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3698456
Mfg#:
003779ECS11
In Stock
ON SALE! SAVE 25%
$71.99

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

$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VWR Billet Fuel Filler Cap - Screw-In Type

ES#4447602 - VWR190000 - VWR Billet Fuel Filler Cap - Screw-In Type - Beautifully over-engineered in customary RacingLine fashion to give an exquisite feel and beautiful appearance - Make refueling a pleasure! - Racingline - Audi Volkswagen

Beautifully over-engineered in customary RacingLine fashion to give an exquisite feel and beautiful appearance - Make refueling a pleasure! For vehicles with threaded screw-in style gas caps only. Please confirm prior to ordering.

Brand:
Racingline - Corporate Logo
ES#:
4447602
Mfg#:
VWR190000
Ships in 3 Business Days
ON SALE! SAVE 10%
$137.99

This product was last offered at the strikethrough price on
08-29-2026

$123.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4147435 - 06E103547P - Pressure Control Valve (PCV) - Located beneath the intake manifold - URO - Audi

Located beneath the intake manifold 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4147435
Mfg#:
06E103547P
Ships in 2 Business Days
$157.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#3419448 - 06E906265Q - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - NTK - Audi

Keep your engine running efficiently Fits the left and right position

Brand:
NTK - Corporate Logo
ES#:
3419448
Mfg#:
06E906265Q
Ships in 3 Business Days
$104.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve - Right

ES#3438276 - 06E131102K - EGR Valve - Right - Also known as the 'combi valve' - Pierburg - Audi

Also known as the 'combi valve'

Brand:
Pierburg - Corporate Logo
ES#:
3438276
Mfg#:
06E131102K
In Stock at Vendor
$188.99

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

$162.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#3561443 - 079959231L - Secondary Air Injection Pump - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

Keep your engine running efficiently

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3561443
Mfg#:
079959231L
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.

$980.00

This product was last offered at the strikethrough price on
08-31-2026

$923.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#2966642 - 06E103547E - Pressure Control Valve (PCV) - Located beneath the intake manifold. - Hamburg Tech - Audi

Located beneath the intake manifold. We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2966642
Mfg#:
06E103547E
Ships in 2 Business Days
ON SALE! SAVE 10%
$149.99

This product was last offered at the strikethrough price on
09-03-2026

$134.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder head Ventilation hose

ES#280574 - 06E103217AA - Cylinder head Ventilation hose - Connects the valve covers to the PCV - Genuine Volkswagen Audi - Audi

Connects the valve covers to the PCV

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280574
Mfg#:
06E103217AA
Ships in 3 Business Days
10% off MSRP

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

$364.99

This product was last offered at the strikethrough price on
08-31-2026

$328.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Innovate LC-2 Wideband O2 Controller Kit

ES#4809696 - 38770 - Innovate LC-2 Wideband O2 Controller Kit - Includes Lambda cable & 8-foot sensor cable. - Innovate Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes Lambda cable & 8-foot sensor cable.

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4809696
Mfg#:
38770
In Stock at Vendor
$212.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve Service Kit

ES#3183737 - 06E103547PKT - Pressure Control Valve Service Kit - Complete kit to service the PCV/Oil separator located underneath the intake manifold - Assembled By ECS - Audi

Complete kit to service the PCV/Oil separator located underneath the intake manifold 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3183737
Mfg#:
06E103547PKT
Ships in 3 Business Days
ON SALE! SAVE 19%
$249.99

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

$201.89 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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