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Audi C5 A6 FWD V6 2.8L

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Audi C5 A6 FWD V6 2.8L Engine Emission Parts

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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

Crankcase Breather Hose

ES#4151156 - 078103223B - Crankcase Breather Hose - Small "S" breather hose that runs on the backside of the intake manifold - Rein - Audi Volkswagen

Small "S" breather hose that runs on the backside of the intake manifold 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151156
Mfg#:
078103223B
Ships in 3 Business Days
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Check Valve

ES#2815730 - 433862117 - Check Valve - Vacuum Non Return Valve - Hamburg Tech - Audi

Vacuum Non Return Valve We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815730
Mfg#:
433862117
Ships in 1 Business Day
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Hose Connecting Piece

ES#283774 - 078133382J - Vacuum Hose Connecting Piece - Connects 2 sizes of vacuum hose - Genuine Volkswagen Audi - Audi

Connects 2 sizes of vacuum hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283774
Mfg#:
078133382J
Ships in 2 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hose Clamp - Priced Each

ES#467797 - N10258201 - Hose Clamp - Priced Each - Install new clamps to stay leak free. 12-22x9x.4 - Genuine Volkswagen Audi - Audi Volkswagen

Install new clamps to stay leak free. 12-22x9x.4 Secures multiple hoses in the vacuum system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467797
Mfg#:
N10258201
Ships in 2 Business Days
$2.99

This product was last offered at the strikethrough price on
04-07-2026

$1.99 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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284965
Mfg#:
079133382B
Ships in 2 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#2091006 - 1J0201553A - Gas Cap - Includes seal and retaining strap - MTC - Audi Volkswagen

Includes seal and retaining strap

Brand:
MTC - Corporate Logo
ES#:
2091006
Mfg#:
1J0201553A
Ships in 9 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Suction Pump

ES#3190137 - 911-400 - Suction Pump - Restore engine performance - Dorman - Audi Volkswagen

Restore engine performance

Brand:
Dorman - Corporate Logo
ES#:
3190137
Mfg#:
911-400
Ships in 4 Business Days
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Combi Valve / EGR Valve - Left

Keep your emissions in check We Price Match - Give Us A Call or Chat!
Left side

Brand:
Hamburg Tech - Corporate Logo
ES#:
3537205
Mfg#:
078131101AG
Ships in 1 Business Day
$149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve (N249) - Priced Each

Controls actuation of the Combi Valve or Diverter Valve

Brand:
SMP - Corporate Logo
ES#:
4142136
Mfg#:
026906283J
In Stock at Vendor
$306.99

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

$293.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Replacement Kit

ES#2766069 - 078131120KKT3 - EGR Valve Replacement Kit - Complete gasket and hardware to replace the EGR valve - Assembled By ECS - Audi

Complete gasket and hardware to replace the EGR valve 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2766069
Mfg#:
078131120KKT3
Ships in 2 Business Days
ON SALE! SAVE 20%
$62.99

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

$50.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

Keep your engine running efficiently For engine code ATQ, fits left and right position

Brand:
Walker - Corporate Logo
ES#:
3551566
Mfg#:
1K0998262AB
Ships in 1-2 days
$142.99

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

$138.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Combi Valve / EGR Valve - Priced Each

ES#2955510 - 078131102T - Combi Valve / EGR Valve - Priced Each - Keep your emissions in check - Genuine Volkswagen Audi - Audi Volkswagen

Keep your emissions in check Right side

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2955510
Mfg#:
078131102T
Ships in 2 Business 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.

$474.99

This product was last offered at the strikethrough price on
07-26-2026

$442.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Combi Valve / EGR Valve - Left

ES#2955509 - 078131101AG - Combi Valve / EGR Valve - Left - Keep your emissions in check - Genuine Volkswagen Audi - Audi Volkswagen

Keep your emissions in check Left side

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2955509
Mfg#:
078131101AG
Ships in 6 Business 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.

$474.99

This product was last offered at the strikethrough price on
07-26-2026

$442.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Breather Hose - With PCV Valve

Large breather hose that runs around the intake manifold 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5470374
Mfg#:
078103224R
Ships on Nov 6, 2026
Auto Notify
ON SALE!
$32.99

This product was last offered at the strikethrough price on
05-29-2026

$31.34 USD
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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