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Audi A4 Catalytic Converters

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Self-Locking Nut - Priced Each

ES#4817 - N90369001 - Self-Locking Nut - Priced Each - Install new hardware with your new parts. M10 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M10 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the catalytic converter to the turbocharger

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4817
Mfg#:
N90369001
In Stock
31% off MSRP

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

$17.45

This product was last offered at the strikethrough price on
05-27-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#2804194 - 8D0253115 - Exhaust Gasket - Seals the turbocharger to the catalytic converter - Vaico - Audi Volkswagen

Seals the turbocharger 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#:
2804194
Mfg#:
8D0253115
In Stock
$5.99

This product was last offered at the strikethrough price on
04-09-2026

$5.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#2696531 - 8K0253115L - Exhaust Gasket - Located between turbocharger and catalytic converter - Genuine Volkswagen Audi - Audi

Located between turbocharger and catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2696531
Mfg#:
8K0253115L
In Stock
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
06-10-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#2816867 - 8D0253115C - Exhaust Gasket - Priced Each - Between the exhaust manifold and downpipe, requires 2 - Elring - Audi Volkswagen

Between the exhaust manifold and downpipe, requires 2 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#:
2816867
Mfg#:
8D0253115C
In Stock
$9.99

This product was last offered at the strikethrough price on
03-17-2026

$7.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Downpipe

ES#2960059 - 8E0253301EE - Exhaust Downpipe - Connects the catalytic converter to the center exhaust muffler - Bosal - Audi

Connects the catalytic converter to the center exhaust muffler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bosal - Corporate Logo
ES#:
2960059
Mfg#:
8E0253301EE
Ships in 1 day
$357.41 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#263525 - 8D0253115 - Exhaust Gasket - Seals the turbocharger to the catalytic converter - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
263525
Mfg#:
8D0253115
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.

$70.99

This product was last offered at the strikethrough price on
06-10-2026

$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Flange Stud - Priced Each

ES#468923 - N10730201 - Turbo Flange Stud - Priced Each - Allows the catalytic converter to bolt up to the turbocharger. M10x32 - Genuine Volkswagen Audi - Audi

Allows the catalytic converter to bolt up to the turbocharger. M10x32 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468923
Mfg#:
N10730201
In Stock
$6.37 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Catalytic Converter Kit

ES#2586344 - 8E0131089DXKT - Catalytic Converter Kit - Includes related hardware and gaskets - Assembled By ECS - Audi

Includes related hardware and gaskets affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not legal for sale or use in the state of New York or California

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586344
Mfg#:
8E0131089DXKT
Back Ordered
$308.99

This product was last offered at the strikethrough price on
01-03-2026

$286.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Self-Locking Nut - Priced Each

ES#6398 - N90085001 - Self-Locking Nut - Priced Each - Install new hardware with your new parts. M8 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used to secure the downpipe to the catalytic converter

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
6398
Mfg#:
N90085001
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#4147623 - 8E0253115D - Exhaust Gasket - Located between the turbo & catalytic converter - Elring - Audi

Located between the turbo & 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#:
4147623
Mfg#:
8E0253115D
In Stock
$8.99

This product was last offered at the strikethrough price on
03-24-2026

$7.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EXHAUST PIPE GASKET

ES#4150679 - 8K0253115J - EXHAUST PIPE GASKET - Ajusa - Audi

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Ajusa - Corporate Logo
ES#:
4150679
Mfg#:
8K0253115J
Back Ordered
Auto Notify
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Stud - Priced Each

ES#11626 - N0445122 - Exhaust Manifold Stud - Priced Each - Stud to mount exhaust manifold to cylinder head. 8x30mm - Genuine Volkswagen Audi - Audi Volkswagen

Stud to mount exhaust manifold to cylinder head. 8x30mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the manifold to the downpipe/catalytic converter

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
11626
Mfg#:
N0445122
Ships in 1 day
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Test Pipe / HFC Hardware Installation Kit

ES#4858163 - 034-105-A007 - Test Pipe / HFC Hardware Installation Kit - Replace those old, tired gaskets with new ones to ensure your exhaust flows where you want it to - 034Motorsport - Audi

Replace those old, tired gaskets with new ones to ensure your exhaust flows where you want it to affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858163
Mfg#:
034-105-A007
Ships in 2 Business Days
$60.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#302402 - 1H0253115 - Exhaust Gasket - Seals the downpipe to the catalytic converter - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
302402
Mfg#:
1H0253115
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.

$27.99

This product was last offered at the strikethrough price on
06-10-2026

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Catalytic Converter Installation Kit

ES#2575490 - 8D0253115KT2 - Catalytic Converter Installation Kit - Includes the necessary hardware and gaskets to install the catalytic converter - Assembled By ECS - Audi

Includes the necessary hardware and gaskets to install the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2575490
Mfg#:
8D0253115KT2
In Stock
ON SALE! SAVE 16%
$59.99

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

$50.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Stud - Priced Each

ES#467176 - N0445145 - Exhaust Manifold Stud - Priced Each - Allows the down pipes to be secured to the manifold. M8x25 - Genuine Volkswagen Audi - Audi Volkswagen

Allows the down pipes to be secured to the manifold. M8x25 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467176
Mfg#:
N0445145
Ships in 1 day
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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