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Audi B5 A4 FWD 1.8T Exhaust Emission Parts

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ES#4828 - 078131120M - SAI/EGR Valve Adapter Gasket - Priced Each - Seals the combi valve adapter to the cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Seals the combi valve adapter to the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine codes ATW & AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4828
Mfg#:
078131120M
In Stock
16% off MSRP

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

$4.61

This product was last offered at the strikethrough price on
06-08-2026

$3.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#283692 - 078131120K - EGR Valve Gasket - Priced Each - Ensure a proper seal - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine codes ATW & AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283692
Mfg#:
078131120K
Ships in 1-2 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.

$14.99

This product was last offered at the strikethrough price on
06-08-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4505652 - 021906265AK - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Meyle - Audi Volkswagen

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4505652
Mfg#:
021906265AK
Ships on Oct 19, 2026
$74.85

This product was last offered at the strikethrough price on
12-29-2025

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2748376 - 1H0253115 - Exhaust Gasket - Seals the down pipe to the catalytic converter - Elring - Audi Volkswagen

Seals the down pipe to the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2748376
Mfg#:
1H0253115
In Stock at Vendor
$13.99

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

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5051 - ATP-FLS-022 - Universal Oxygen Sensor Bung - Priced Each - Stainless steel weld-in nut for any O2 sensor - ATP - Audi BMW Volkswagen

Stainless steel weld-in nut for any O2 sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ATP - Corporate Logo
ES#:
5051
Mfg#:
ATP-FLS-022
Ships in 7 Business Days
$12.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4070301 - N0445203 - Exhaust Stud - Priced Each - Install new hardware with your new parts. M10X28 - Rein - Audi Volkswagen

Install new hardware with your new parts. M10X28 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Allows the catalytic converter to be secured to the turbocharger

Brand:
Rein - Corporate Logo
ES#:
4070301
Mfg#:
N0445203
In Stock
Limited Qty Sale
$6.99

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

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2717942 - 1H0253115 - Exhaust Gasket - Seals the downpipe to the catalytic converter - Vaico - Audi Volkswagen

Seals the downpipe to the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2717942
Mfg#:
1H0253115
Back Ordered
$5.99

This product was last offered at the strikethrough price on
04-15-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4044493 - 1H0253115 - Exhaust Gasket - Seals the downpipe to the catalytic converter - HJS - Audi Volkswagen

Seals the downpipe to the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
HJS - Corporate Logo
ES#:
4044493
Mfg#:
1H0253115
Ships in 4 Business Days
$5.99

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

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Lisle - Corporate Logo
ES#:
2944218
Mfg#:
LIS12390
Ships in 7 Business Days
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
ES#3173639 - 1H0253115 - Exhaust Gasket  - Seals the downpipe to the catalytic converter - Meistersatz - Audi Volkswagen

Seals the downpipe to the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Meistersatz - Corporate Logo
ES#:
3173639
Mfg#:
1H0253115
Ships in 4 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3476191 - 078131120M - SAI/EGR Valve Adapter Gasket - Priced Each - Seals the combi valve adapter to the cylinder head - Elring - Audi Volkswagen

Seals the combi valve adapter to the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Engine codes ATW & AWM

Brand:
Elring - Corporate Logo
ES#:
3476191
Mfg#:
078131120M
In Stock
Limited Qty Sale
$4.99

This product was last offered at the strikethrough price on
12-19-2025

$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4146901 - 4481605 - Direct-Fit Catalytic Converter - MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter - Keep your emissions in check! - Magnaflow - Audi Volkswagen

MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter - Keep your emissions in check! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
California legal - For models with AEB & ATW engine codes

Brand:
Magnaflow - Corporate Logo
ES#:
4146901
Mfg#:
4481605
EO#:
D-193-179
Ships in 2 Business Days
$1127.00 USD
Free Shipping
ES#2894326 - 021906265AG - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Vemo - Audi Volkswagen

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to VIN 8D-W-007799, split is in the 1998 model year

Brand:
Vemo - Corporate Logo
ES#:
2894326
Mfg#:
021906265AG
In Stock at Vendor
$127.00

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

$123.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2719264 - 021906265AQ - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Walker - Audi Volkswagen

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8D-W-007800, split is in the 1998 model year

Brand:
Walker - Corporate Logo
ES#:
2719264
Mfg#:
021906265AQ
In Stock at Vendor
$128.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2142952 - 8E0131089BX - Remanufactured Catalytic Converter - Includes a $210 refundable core charge - Genuine Volkswagen Audi - Audi Volkswagen

Includes a $210 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2142952
Mfg#:
8E0131089BX
Ships in 1-2 days
$1074.99 USD
Free Shipping
This product is lifetime replacement eligible Partial 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.

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

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