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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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Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport

ES#3673911 - B8800066 - Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport - Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673911
Mfg#:
B8800066
In Stock
ON SALE! SAVE 25%
$49.99

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

$37.49 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2515457
Mfg#:
51731257971KT
In Stock
ON SALE! SAVE 16%
$53.99

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

$45.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3457816
Mfg#:
8W0201550B
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.

$85.00

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

$77.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673912
Mfg#:
B8800067
Ships on Aug 10, 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

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279586
Mfg#:
06A198011B
Ships in 1-2 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
06-03-2026

$148.36 USD
Free Shipping

Secondary Air Injection Pump

ES#4742865 - 079959231L - Secondary Air Injection Pump - Keep your engine running efficiently - URO - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4742865
Mfg#:
079959231L
In Stock
$329.99 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with threaded screw-in style gas caps only. Please confirm prior to ordering.

Brand:
Racingline - Corporate Logo
ES#:
4447602
Mfg#:
VWR190000
In Stock
$137.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4147435
Mfg#:
06E103547P
In Stock
$157.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3698456
Mfg#:
003779ECS11
In Stock
ON SALE! SAVE 26%
$70.99

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

$52.52 USD
Free Shipping
on orders $49 and up
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' affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

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

$183.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits the left and right position

Brand:
NTK - Corporate Logo
ES#:
3419448
Mfg#:
06E906265Q
Ships in 2 Business Days
$104.78

This product was last offered at the strikethrough price on
01-23-2026

$104.77 USD
Free Shipping
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3561443
Mfg#:
079959231L
Ships in 1-2 days
5% 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
02-26-2026

$930.99 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2966642
Mfg#:
06E103547E
In Stock
$149.99 USD
Free Shipping
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452225
Mfg#:
8K0906271
Ships in 5 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.

$425.00

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

$388.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#4159245 - 079959231L - Secondary Air Injection Pump - Keep your engine running efficiently - Pierburg - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
4159245
Mfg#:
079959231L
In Stock at Vendor
$745.99

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

$724.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Pipe

ES#1833471 - 06E131143AG - Connecting Pipe - Connects the two combi valves together - Genuine Volkswagen Audi - Audi

Connects the two combi valves together affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1833471
Mfg#:
06E131143AG
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.

$258.99

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

$236.99 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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