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Audi S4 Engine Emission Parts

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Charcoal Canister

ES#436511 - 8E0201801L - Charcoal Canister - Keep your fuel system efficient - Genuine Volkswagen Audi - Audi

Keep your fuel system efficient

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436511
Mfg#:
8E0201801L
Ships in 7 Business 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.

$809.99

This product was last offered at the strikethrough price on
07-21-2026

$768.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Connecting Pipe

ES#280855 - 06E131143AK - Connecting Pipe - Connects the two combi valves together - Genuine Volkswagen Audi - Audi

Connects the two combi valves together Fits up to the 2012 model year (pre-facelift)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280855
Mfg#:
06E131143AK
Ships in 1-2 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.

$220.00

This product was last offered at the strikethrough price on
07-21-2026

$205.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

ES#3419449 - 06E906265AJ - Front 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#:
3419449
Mfg#:
06E906265AJ
In Stock at Vendor
$205.99

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

$199.99 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 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
07-21-2026

$148.36 USD
Free Shipping

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 For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673912
Mfg#:
B8800067
Ships on Sep 1, 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

EVAP Purge Valve (11.5mm)

ES#280898 - 06E133781A - EVAP Purge Valve (11.5mm) - Also known as the 'N80' valve - Keep your engine running smooth! - Genuine Volkswagen Audi - Audi

Also known as the 'N80' valve - Keep your engine running smooth! Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280898
Mfg#:
06E133781A
In Stock
8% off MSRP

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

$131.99

This product was last offered at the strikethrough price on
07-21-2026

$120.99 USD
Free Shipping
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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3457816
Mfg#:
8W0201550B
In Stock
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
07-21-2026

$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube

ES#3450041 - 06E103217AF - Breather Tube - Connects to both valve covers to the PCV adapter vent tube - Kayser - Audi

Connects to both valve covers to the PCV adapter vent tube From production date 4/31/12

Brand:
Kayser - Corporate Logo
ES#:
3450041
Mfg#:
06E103217AF
Back Ordered
$112.00

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

Gas Cap With Strap

ES#3514670 - 4F0201550J - Gas Cap With Strap - Replace your leaking cap, or the one you left at the pump - URO - Audi

Replace your leaking cap, or the one you left at the pump 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For sedan/avant models only

Brand:
URO - Corporate Logo
ES#:
3514670
Mfg#:
4F0201550J
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Bolt - Priced Each

ES#467607 - N10196103 - Torx Bolt - Priced Each - Install new hardware with your new parts. M6x18 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x18

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467607
Mfg#:
N10196103
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve - Priced Each

ES#4643076 - 037906283C - Solenoid Valve - Priced Each - Common cure for DTC P0441 - URO - Audi Volkswagen

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

Brand:
URO - Corporate Logo
ES#:
4643076
Mfg#:
037906283C
In Stock
Limited Qty Sale
$45.99

This product was last offered at the strikethrough price on
06-09-2026

$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#11898 - 16978 - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi

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#:
11898
Mfg#:
16978
In Stock at Vendor
$128.99

This product was last offered at the strikethrough price on
05-19-2026

$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap With Strap

ES#2084494 - 4F0201550J - Gas Cap With Strap - Replace your leaking cap, or the one you left at the pump - Genuine Volkswagen Audi - Audi

Replace your leaking cap, or the one you left at the pump For sedan/avant models only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2084494
Mfg#:
4F0201550J
In Stock
8% off MSRP

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

$71.99

This product was last offered at the strikethrough price on
04-17-2026

$65.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube

ES#4487737 - 06E103217AD - Breather Tube - Connects to both valve covers to the PCV adapter vent tube - Vaico - Audi Volkswagen

Connects to both valve covers to the PCV adapter vent tube We Price Match - Give Us A Call or Chat!
Up to production date 4/30/2012

Brand:
Vaico - Corporate Logo
ES#:
4487737
Mfg#:
06E103217AD
Back Ordered
$82.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AFK Valve with connecting tube (14.5mm)

ES#280899 - 06E133781B - AFK Valve with connecting tube (14.5mm) - Keep your engine running smooth - Also considered EVAP Purge valve, or 'N80' valve - Genuine Volkswagen Audi - Audi

Keep your engine running smooth - Also considered EVAP Purge valve, or 'N80' valve

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280899
Mfg#:
06E133781B
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.

$131.99

This product was last offered at the strikethrough price on
07-21-2026

$120.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#11585 - 077103245B - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Genuine Volkswagen Audi - Audi Volkswagen

Also called the "breather valve" or "oil separator"

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
11585
Mfg#:
077103245B
Ships in 1-2 days
7% 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
07-21-2026

$223.99 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.

Let us help you find the parts that fit your Audi

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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