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Audi B8/B8.5 S5 Quattro V8 4.2L

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Audi B8/B8.5 S5 Quattro V8 4.2L Engine Emission Parts

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EGR Valve - Priced Each

ES#284901 - 079131101L - EGR Valve - Priced Each - Also known as the 'combi valve' - Genuine Volkswagen Audi - Audi

Also known as the 'combi valve' Fits the left side up to production date 5/31/2010

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284901
Mfg#:
079131101L
Ships in 8 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.

$505.99

This product was last offered at the strikethrough price on
07-20-2026

$462.99 USD
Free Shipping
on orders $49 and up
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

Leak Detection Pump

ES#452225 - 8K0906271 - Leak Detection Pump - Tests the fueling system for leaks - Genuine Volkswagen Audi - Audi

Tests the fueling system for leaks

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452225
Mfg#:
8K0906271
Ships in 1-2 days
$485.99

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

$471.99 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
In Stock
$17.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Socket - 22mm

ES#4490396 - 4680-1 - Oxygen Sensor Socket - 22mm - Properly remove stubborn o2 sensors. - Hazet - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Properly remove stubborn o2 sensors.

Brand:
Hazet - Corporate Logo
ES#:
4490396
Mfg#:
4680-1
Ships in 1 Business Day
$118.99

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

$115.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#1853404 - 1K0998262S - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running efficiently

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1853404
Mfg#:
1K0998262S
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.

$362.99

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

$337.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Breather Line - Center

ES#4039647 - 079103209AK - Rear Breather Line - Center - Connects the PCV/Oil Separator to the cylinder head - Vaico - Audi

Connects the PCV/Oil Separator to the cylinder head We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4039647
Mfg#:
079103209AK
In Stock at Vendor
$111.99

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

$108.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Breather Line - Center

ES#4758344 - 079103209AK - Rear Breather Line - Center - Connects the PCV/Oil Separator to the cylinder head - URO - Audi

Connects the PCV/Oil Separator to the cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4758344
Mfg#:
079103209AK
Ships in 1 Business Day
$59.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve - Priced Each

ES#284905 - 079131102A - EGR Valve - Priced Each - Also known as the 'combi valve' - Genuine Volkswagen Audi - Audi

Also known as the 'combi valve' Fits the right side up to production date 5/31/2010

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284905
Mfg#:
079131102A
Special Order: No Guaranteed ETA
Auto Notify
$462.99

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

$280.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#5341357 - 8K0201550N - Gas Cap - Includes seal and retaining strap - URO - Audi

Includes seal and retaining strap 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
5341357
Mfg#:
8K0201550N
Ships in 1 Business Day
ON SALE!
$35.99

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

$34.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Check Valve - Priced Each

ES#4818424 - 058905291K - Check Valve - Priced Each - Used in multiple locations in the vacuum system - Bremmen Parts - Audi Volkswagen

Used in multiple locations in the vacuum system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818424
Mfg#:
058905291K
Ships on Aug 11, 2026
Auto Notify
ON SALE! SAVE 35%
$4.99

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

$3.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Gasket - Priced Each

ES#2718617 - 078131120K - EGR Valve Gasket - Priced Each - Ensure a proper seal - Elring - Audi Volkswagen

Ensure a proper seal 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2718617
Mfg#:
078131120K
In Stock
$5.14 USD
Free Shipping
on orders $49 and up
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 Aug 13, 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
07-20-2026

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

Oxygen Sensor Thread Chaser

ES#4001163 - CTA2068 - Oxygen Sensor Thread Chaser - Remove rust and dirt for easy installation with this tool - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Remove rust and dirt for easy installation with this tool

Brand:
CTA Tools - Corporate Logo
ES#:
4001163
Mfg#:
CTA2068
In Stock
$11.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vent Tube

ES#450388 - 8K0201183A - Vent Tube - Connects the charcoal canister and the fuel pump - Genuine Volkswagen Audi - Audi

Connects the charcoal canister and the fuel pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450388
Mfg#:
8K0201183A
Ships in 4 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.

$239.99

This product was last offered at the strikethrough price on
07-20-2026

$219.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve - Priced Each

ES#4883338 - 037906283C - Solenoid Valve - Priced Each - Common cure for DTC P0441 - Rein - Audi Volkswagen

Common cure for DTC P0441 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4883338
Mfg#:
037906283C
Ships in 1 Business Day
$54.99 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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