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Volkswagen MK4 Exhaust Emission Parts

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Downpipe Installation Kit

ES#5818 - 06A298001 - Downpipe Installation Kit - Comes with hardware & gasket that is used between turbo & downpipe - Assembled By ECS - Volkswagen

Comes with hardware & gasket that is used between turbo & downpipe 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5818
Mfg#:
06A298001
In Stock
ON SALE! SAVE 20%
$59.99

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

$48.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#2681624 - 1K0998262B - Oxygen Sensor - Located after the catalytic converter - Bosch - Volkswagen

Located after the catalytic converter 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2681624
Mfg#:
1K0998262B
In Stock at Vendor
$144.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#3524963 - N90521604 - O-Ring - Priced Each - Install new hardware with your new parts. 55x3 - Elring - Audi Volkswagen

Install new hardware with your new parts. 55x3 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits up to the 2003 model year, ALH engine codes

Brand:
Elring - Corporate Logo
ES#:
3524963
Mfg#:
N90521604
In Stock
$8.23

This product was last offered at the strikethrough price on
04-08-2026

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Self-Locking Nut - Priced Each

ES#251523 - N90085001 - Self-Locking Nut - Priced Each - Install new hardware with your new parts. M8 - Febi - Audi BMW Volkswagen

Install new hardware with your new parts. M8 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
251523
Mfg#:
N90085001
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#319087 - 1K0998262J - Oxygen Sensor - Located before the catalytic converter - Genuine Volkswagen Audi - Volkswagen

Located before the catalytic converter Fits the right manifold

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
319087
Mfg#:
1K0998262J
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.

$466.99

This product was last offered at the strikethrough price on
02-26-2026

$434.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Pipe With Catalytic Converter

Replace your failed catalytic converter and get your engine running smooth and clean again For vehicles with automatic transmission only. Not legal for California residents.

Brand:
DEC - Corporate Logo
ES#:
2784973
Mfg#:
1J0254502P
Back Ordered
$823.99

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

$799.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Catalytic converter - OEM Grade

ES#2618361 - 49013 - Catalytic converter - OEM Grade - Stainless direct-fit replacement - OEM Grade - Magnaflow - Audi Volkswagen

Stainless direct-fit replacement - OEM Grade **Not for use in the state of California.** **Not CARB compliant.**

Brand:
Magnaflow - Corporate Logo
ES#:
2618361
Mfg#:
49013
Back Ordered
$771.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Off Set O2 Sensor Wrench

ES#4371880 - W80491 - Off Set O2 Sensor Wrench - Offset design for confined areas. - Performance Tool - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Offset design for confined areas.

Brand:
Performance Tool - Corporate Logo
ES#:
4371880
Mfg#:
W80491
Ships in 1 Business Day
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Downpipe Gasket

ES#11261 - 1J0253115R - Downpipe Gasket - Should be replaced every time the downpipe is removed to prevent exhaust leaks - Elring - Audi Volkswagen

Should be replaced every time the downpipe is removed to prevent exhaust leaks 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
11261
Mfg#:
1J0253115R
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Downpipe With Catalytic Converter - *ECS Recommends*

ES#2617874 - 51892 - Downpipe With Catalytic Converter - *ECS Recommends* - OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter - Magnaflow - Volkswagen

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter For vehicles with manual transmission only

Brand:
Magnaflow - Corporate Logo
ES#:
2617874
Mfg#:
51892
Ships in 7 Business Days
$756.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Downpipe With Catalytic Converter

ES#3690806 - 1J0254509A - Downpipe With Catalytic Converter - A complete downpipe with catalytic converter - DEC - Volkswagen

A complete downpipe with catalytic converter For vehicles with an AVH or BEV engine code only

Brand:
DEC - Corporate Logo
ES#:
3690806
Mfg#:
1J0254509A
Back Ordered
$752.99

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

$731.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Catalytic converter - HM Grade

ES#2973728 - 24157 - Catalytic converter - HM Grade - Stainless direct-fit replacement - HM Grade - Magnaflow - Audi Volkswagen

Stainless direct-fit replacement - HM Grade **Not for use in the state of California.** **Not CARB compliant.**

Brand:
Magnaflow - Corporate Logo
ES#:
2973728
Mfg#:
24157
Back Ordered
$708.00 USD

Exhaust Gasket

ES#2718341 - 1H0253115 - Exhaust Gasket - Seals the downpipe to the catalytic converter - Rein - Audi Volkswagen

Seals the downpipe to the catalytic converter 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2718341
Mfg#:
1H0253115
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Socket

ES#4370861 - W1267 - Oxygen Sensor Socket - Removes oxygen sensors located in the exhaust. - Performance Tool - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Removes oxygen sensors located in the exhaust.

Brand:
Performance Tool - Corporate Logo
ES#:
4370861
Mfg#:
W1267
Ships in 3 Business Days
$12.80 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Screw - Priced Each

ES#468267 - N10470703 - Torx Screw - Priced Each - Install new hardware with your new parts. M6x50 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x50

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468267
Mfg#:
N10470703
In Stock
18% off MSRP

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

$3.64

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Exhaust Emission Parts

Oxygen sensors, catalytic converters, and other critical emissions components not only cause Check Engine Lights when they fail, but they'll also keep you from registering your car. Make sure your emissions system is functioning properly so you can continue to drive your car legally.

Let us help you find the parts that fit your Volkswagen

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

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