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Audi S4 Engine Emission Parts

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Purge Valve

ES#2814234 - 1C0906517A - Purge Valve - Common cure for DTC P0441 - Hamburg Tech - Audi Volkswagen

Common cure for DTC P0441 We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814234
Mfg#:
1C0906517A
Ships in 1 Business Day
$35.99

This product was last offered at the strikethrough price on
01-25-2026

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Purge Valve Securing Ring

ES#277645 - 058133459 - Purge Valve Securing Ring - Rubber ring that secures the purge valve in place - Genuine Volkswagen Audi - Audi

Rubber ring that secures the purge valve in place

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277645
Mfg#:
058133459
Ships in 1 day
8% off MSRP

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

$24.99

This product was last offered at the strikethrough price on
07-22-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump Gasket

ES#4145071 - 06E145417A - Vacuum Pump Gasket - Seals the vacuum pump to the cylinder head - Victor Reinz - Audi Volkswagen

Seals the vacuum pump to the cylinder head

Brand:
Victor Reinz - Corporate Logo
ES#:
4145071
Mfg#:
06E145417A
Ships on Aug 7, 2026
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pinch Clamp - Priced Each

ES#4816 - N90411901 - Pinch Clamp - Priced Each - Install new hardware with your new parts. 27.1x7x0.6 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 27.1x7x0.6

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4816
Mfg#:
N90411901
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Offset Oxygen Sensor Wrench- Extended

ES#4001169 - CTA2065 - Offset Oxygen Sensor Wrench- Extended - Extra length is needed sometimes - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Extra length is needed sometimes

Brand:
CTA Tools - Corporate Logo
ES#:
4001169
Mfg#:
CTA2065
Back Ordered
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#5307949 - 034129101B - Pressure Control Valve (PCV) - Located on the turbo inlet pipe. 19mm - Bremmen Parts - Audi Volkswagen

Located on the turbo inlet pipe. 19mm 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5307949
Mfg#:
034129101B
Special Order: No Guaranteed ETA
Auto Notify
ON SALE! SAVE 22%
$22.99

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

$17.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cap Nut - Priced Each

ES#465892 - N0111214 - Cap Nut - Priced Each - Install new hardware with your new parts. M6 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465892
Mfg#:
N0111214
Ships in 1 day
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#468688 - N10633603 - Bolt - Priced Each - Secures leak detection pump to the bracket. M4.8x13 - Genuine Volkswagen Audi - Audi

Secures leak detection pump to the bracket. M4.8x13

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468688
Mfg#:
N10633603
Ships in 1 day
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hose Clamp - Priced Each

ES#6015 - n90561801 - Hose Clamp - Priced Each - Adjustable clamp used on various hoses in the engine bay. 16-28x9 - Genuine Volkswagen Audi - Audi Volkswagen

Adjustable clamp used on various hoses in the engine bay. 16-28x9

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
6015
Mfg#:
N90561801
In Stock
ON SALE! SAVE 34%
$5.99

This product was last offered at the strikethrough price on
02-11-2026

$3.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

T-Piece Fitting

ES#273239 - 034133382AA - T-Piece Fitting - Allows parallel connection of the vacuum reservoir/damper - Genuine Volkswagen Audi - Audi Volkswagen

Allows parallel connection of the vacuum reservoir/damper

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
273239
Mfg#:
034133382AA
Ships in 1 day
13% off MSRP

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

$15.99

This product was last offered at the strikethrough price on
07-22-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

T-Fitting Hose Connector

ES#470692 - N90760601 - T-Fitting Hose Connector - Connects 3 vent hoses at one intersection. - Genuine Volkswagen Audi - Audi

Connects 3 vent hoses at one intersection.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470692
Mfg#:
N90760601
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.

$13.99

This product was last offered at the strikethrough price on
07-22-2026

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Screw - Priced Each

ES#466310 - N0139681 - Screw - Priced Each - Install new hardware with your new parts. 4.8x13 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 4.8x13 Secures the leak detection pump to the mount

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466310
Mfg#:
N0139681
In Stock
ON SALE!
$2.99

This product was last offered at the strikethrough price on
07-15-2026

$2.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vent Tube O-Ring - Priced Each

ES#3364939 - WHT004793A - Vent Tube O-Ring - Priced Each - 23x3 - Seals the connection points for the vent tube between the oil separator and the supercharger - Genuine Porsche - Audi

23x3 - Seals the connection points for the vent tube between the oil separator and the supercharger

Brand:
Genuine Porsche - Corporate Logo
ES#:
3364939
Mfg#:
WHT004793A
Ships in 4 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Speed Nut - Priced Each

ES#2581816 - 8D0805960 - Speed Nut - Priced Each - Fits silver colored screws with attached washer - Original Equipment Supplier - Audi Volkswagen

Fits silver colored screws with attached washer

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2581816
Mfg#:
8D0805960
Ships in 1 Business Day
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Line Adapter - Priced Each

ES#284965 - 079133382B - Line Adapter - Priced Each - Connects vacuum and vent lines together. 8mm - Genuine Volkswagen Audi - Audi Volkswagen

Connects vacuum and vent lines together. 8mm Connects the leak detection pump elbow to the vacuum reservoir line

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284965
Mfg#:
079133382B
Ships in 1 day
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bleeder Valve

ES#2093820 - 035103245A - Bleeder Valve - Located under the intake manifold - MTC - Audi Volkswagen

Located under the intake manifold

Brand:
MTC - Corporate Logo
ES#:
2093820
Mfg#:
035103245A
Ships in 9 Business Days
$5.00 USD
Free Shipping
on orders $49 and up

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

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Manufacturer names and/or part numbers are used only for identification purposes.

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