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Audi B6 A4 Quattro 1.8T Engine Emission Parts

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ES#259455 - 8E0201553E - Gas Cap - Replace your leaking cap or the one left at the pump - Genuine Volkswagen Audi - Audi

Replace your leaking cap or the one left at the pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259455
Mfg#:
8E0201553E
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.

$70.99

This product was last offered at the strikethrough price on
10-08-2026

$64.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2549999 - 06A959253E - Secondary Air Injection Pump - Keep your engine running efficiently - Pierburg - Audi Volkswagen Porsche

Keep your engine running efficiently

Brand:
Pierburg - Corporate Logo
ES#:
2549999
Mfg#:
06A959253E
Ships in 1 Business Day
$594.73

This product was last offered at the strikethrough price on
08-02-2026

$583.52 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4818590 - 1C0906517A - Purge Valve - Common cure for DTC P0441 - Bremmen Parts - Audi Volkswagen Porsche

Common cure for DTC P0441 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818590
Mfg#:
1C0906517A
In Stock
ON SALE! SAVE 21%
$37.99

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

$30.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4460630 - rad20-0530 - Universal 10AN ORB To 3/8" Barb - This PCV can be used on the outlet of any Radium Engineering catch can - Radium Engineering - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This PCV can be used on the outlet of any Radium Engineering catch can

Brand:
Radium Engineering - Corporate Logo
ES#:
4460630
Mfg#:
RAD20-0530
In Stock at Vendor
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2794762 - IEDIYUU18 - IE Vent To Atmosphere Billet Catch Can - Universal Fitment - Prevent crankcase oil fumes from condensing and filling your intake piping, turbo piping, intercooler, intake manifold, and breather system - Integrated Engineering - Audi BMW Volkswagen MINI

Prevent crankcase oil fumes from condensing and filling your intake piping, turbo piping, intercooler, intake manifold, and breather system

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794762
Mfg#:
IEDIYUU18
Ships in 1 Business Day
$186.99 USD
Free Shipping
ES#2816564 - 95560560101 -  Secondary Air Injection Pump - Keep your engine running efficiently - Hamburg Tech - Audi Volkswagen Porsche

Keep your engine running efficiently We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816564
Mfg#:
95560560101
Ships in 1 Business Day
$185.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
ES#436409 - 8E0201183BA - Vent Tube - Connects the filler neck to the charcoal canister. - Genuine Volkswagen Audi - Audi

Connects the filler neck to the charcoal canister. From VIN 8E-4-000001, split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436409
Mfg#:
8E0201183BA
Ships in 1-2 days
12% off MSRP

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

$623.99

This product was last offered at the strikethrough price on
08-31-2026

$549.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2966835 - 034-101-3038 - Silicone Three-Way Valve Housing - 'T' shaped connection below the intake manifold - 034Motorsport - Audi Volkswagen

'T' shaped connection below the intake manifold 2X Entries Into Our F80 M3 Sweepstakes
Up to Vin#3 040000, split is in model year 2003

Brand:
034Motorsport - Corporate Logo
ES#:
2966835
Mfg#:
034-101-3038
In Stock
$24.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2803814 - 058133753D - Suction Pump - Restore engine performance - Rein - Audi Volkswagen

Restore engine performance 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803814
Mfg#:
058133753D
In Stock
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#258893 - 026906283J - Solenoid Valve (N249) - Priced Each - Controls actuation of the Combi Valve or Diverter Valve - Pierburg - Audi Volkswagen

Controls actuation of the Combi Valve or Diverter Valve

Brand:
Pierburg - Corporate Logo
ES#:
258893
Mfg#:
026906283J
Ships in 1 Business Day
$104.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2708697 - 06A103213F - Breather Hose Connector - Connects the oil filter adapter to the three-way valve housing - URO - Audi Volkswagen

Connects the oil filter adapter to the three-way valve housing 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2708697
Mfg#:
06A103213F
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4883340 - N01508210 - Shouldered Nut - Priced Each - Install new hardware with your new parts. M6 - Rein - Audi Volkswagen

Install new hardware with your new parts. M6 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4883340
Mfg#:
N01508210
In Stock
$2.19

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

$2.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#7845 - 06A129101F - Pressure Control Valve (PCV) - (25mm) - Located on the intake hose leading to the turbo inlet - Genuine Volkswagen Audi - Audi Volkswagen

Located on the intake hose leading to the turbo inlet Fits from VIN 8E-4-000 001 - Split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
7845
Mfg#:
06A129101F
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.

$123.99

This product was last offered at the strikethrough price on
10-05-2026

$114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3426986 - 1C0906517AKT - Purge Valve Repair Kit - Common cure for DTC P0441 - Includes clamps to replace factory one-time-use clamps - Assembled By ECS - Audi Volkswagen

Common cure for DTC P0441 - Includes clamps to replace factory one-time-use clamps 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3426986
Mfg#:
1C0906517AKT
In Stock
ON SALE! SAVE 23%
$47.99

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

$36.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2772076 - 058133753D - Suction Pump - Restore engine performance - URO - Audi Volkswagen

Restore engine performance 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2772076
Mfg#:
058133753D
Ships in 1 Business Day
$21.99 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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