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Audi B6 A4 FWD 1.8T

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Audi B6 A4 FWD 1.8T Engine Emission Parts

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Breather Hose Elbow

ES#2602472 - 06A103213AM - Breather Hose Elbow - Connects the oil filter adapter to the hard breather tube - Febi - Audi Volkswagen

Connects the oil filter adapter to the hard breather tube 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
From VIN 8E-4-000001, split is in the 2004 model year

Brand:
Febi - Corporate Logo
ES#:
2602472
Mfg#:
06A103213AM
In Stock at Vendor
64% off MSRP

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

$58.33

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

$20.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#4505142 - 058103221E - Breather Hose - 'S' shaped hose attached to the bleeder valve under the intake manifold - URO - Audi Volkswagen

'S' shaped hose attached to the bleeder valve under the intake manifold 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Up to VIN 8E-3-040000, split is in the 2003 model year

Brand:
URO - Corporate Logo
ES#:
4505142
Mfg#:
058103221E
Ships in 1 Business Day
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dual Drive Oxygen Sensor Wrench

ES#2944218 - LIS12390 - Dual Drive Oxygen Sensor Wrench - Tool comes with both 1/2" and 3/8" drive. - Lisle - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Tool comes with both 1/2" and 3/8" drive.

Brand:
Lisle - Corporate Logo
ES#:
2944218
Mfg#:
LIS12390
Ships in 6 Business Days
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#469440 - N90280904 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x22 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x22

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469440
Mfg#:
N90280904
Ships in 2 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower PCV Bleeder Valve Upgrade Kit

ES#5482584 - 06a103247KT7 - Lower PCV Bleeder Valve Upgrade Kit - Eliminate dangerous boost leaks and permanently fix your engine's most vulnerable vacuum path with this billet check valve and T-housing bundle. - Assembled By ECS - Audi Volkswagen

Eliminate dangerous boost leaks and permanently fix your engine's most vulnerable vacuum path with this billet check valve and T-housing bundle. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5482584
Mfg#:
06A103247KT7
Ships in 1 Business Day
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#2749261 - 06C103245 - Pressure Control Valve (PCV) - Keep your engine running correctly - Vaico - Audi

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

Brand:
Vaico - Corporate Logo
ES#:
2749261
Mfg#:
06C103245
In Stock at Vendor
$59.99

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

$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Replacement Kit

ES#2766068 - 078131120KKT2 - 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#:
2766068
Mfg#:
078131120KKT2
Ships in 1 day
ON SALE!
$59.99

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

$57.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Breather Hose Kit

ES#2628164 - 06B103213GKT - Crankcase Breather Hose Kit - Includes the "L" & "T" shaped breather hoses, breather valve and adjustable clamps - Assembled By ECS - Audi

Includes the "L" & "T" shaped breather hoses, breather valve and adjustable clamps 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8E-3-040001 up to VIN 8E-3-500000, splits are in the 2003 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2628164
Mfg#:
06B103213GKT
In Stock at Vendor
ON SALE! SAVE 36%
$89.99

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

$57.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Three-Way Valve Housing

ES#3437197 - 06A103247 - Three-Way Valve Housing - 'T' shaped connection below the intake manifold - Rein - Audi Volkswagen

'T' shaped connection below the intake manifold 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Up to Vin#3 040000, split is in model year 2003

Brand:
Rein - Corporate Logo
ES#:
3437197
Mfg#:
06A103247
Ships in 1 Business Day
$7.20

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

$7.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose Elbow

ES#4883914 - 06A103213AM - Breather Hose Elbow - Connects the oil filter adapter to the hard breather tube - Rein - Audi Volkswagen

Connects the oil filter adapter to the hard breather tube 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
From VIN 8E-4-000001, split is in the 2004 model year

Brand:
Rein - Corporate Logo
ES#:
4883914
Mfg#:
06A103213AM
Ships in 1 Business Day
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) - (19mm)

ES#4810748 - 06A129101D - Pressure Control Valve (PCV) - (19mm) - Located on the intake hose leading to the turbo inlet - Rein - Audi Volkswagen

Located on the intake hose leading to the turbo inlet 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits up to VIN 8E-3-500 000 - Split is in the 2003 model year

Brand:
Rein - Corporate Logo
ES#:
4810748
Mfg#:
06A129101D
Ships in 10 Business Days
Auto Notify
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Breather Hose

ES#2966832 - 034-101-3023 - Silicone Breather Hose - Connects to the breather valve under the intake manifold - 034Motorsport - Audi Volkswagen

Connects to the breather valve under the intake manifold From VIN 8E-3-040001 up to VIN 8E-3-500000, splits are in the 2003 model year

Brand:
034Motorsport - Corporate Logo
ES#:
2966832
Mfg#:
034-101-3023
Ships in 2 Business Days
$31.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#3142243 - 058103493A - Breather Hose - Connects the PVC to the metal vent tube - URO - Audi Volkswagen

Connects the PVC to the metal vent tube 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3142243
Mfg#:
058103493A
Ships in 1 Business Day
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hose Pinchers

ES#2944378 - LIS22850 - Hose Pinchers - A must for any car enthusiast. - Lisle - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A must for any car enthusiast.

Brand:
Lisle - Corporate Logo
ES#:
2944378
Mfg#:
LIS22850
Ships in 1 Business Day
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Check Valve - Priced Each

ES#3022 - 058905291K - Check Valve - Priced Each - Used in multiple locations in vacuum system - Genuine Volkswagen Audi - Audi Volkswagen

Used in multiple locations in vacuum system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3022
Mfg#:
058905291K
Ships in 1 day
10% off MSRP

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

$58.99

This product was last offered at the strikethrough price on
07-20-2026

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump Hose

ES#440760 - 8E0906272C - Leak Detection Pump Hose - Connects the leak detection pump to the filter - Genuine Volkswagen Audi - Audi

Connects the leak detection pump to the filter

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
440760
Mfg#:
8E0906272C
Special Order: No Guaranteed ETA
9% off MSRP

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

$57.99

This product was last offered at the strikethrough price on
07-20-2026

$52.99 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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