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Audi C7 S7 Quattro 4.0T Exhaust Emission Parts

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7/8"(22mm) Flexible Oxygen Sensor Wrench

ES#240942 - FO-78 - 7/8"(22mm) Flexible Oxygen Sensor Wrench - The proper tool to remove difficult-to-reach oxygen sensors - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

The proper tool to remove difficult-to-reach oxygen sensors 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
240942
Mfg#:
FO-78
Ships on Dec 1, 2026
ON SALE!
$37.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Catalytic Converter - 2.25"

ES#4005308 - 602205 - Universal Catalytic Converter - 2.25" - 2.25" inlet/outlet, 14" length of converter itself, 6" width & 4" height - Emico - Audi BMW Volkswagen Mercedes Benz MINI Porsche

2.25" inlet/outlet, 14" length of converter itself, 6" width & 4" height

Brand:
Emico - Corporate Logo
ES#:
4005308
Mfg#:
602205
Ships in 3 Business Days
$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport

ES#3673911 - B8800066 - Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport - Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673911
Mfg#:
B8800066
In Stock
ON SALE!
$38.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#4818209 - 4H0906262L - Oxygen Sensor - Priced Each - Rear Right - Downstream - Bosch - Audi

Rear Right - Downstream We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4818209
Mfg#:
4H0906262L
In Stock
$145.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Tool - 22mm

ES#3673912 - B8800067 - Oxygen Sensor Tool - 22mm - 1/2" Drive - 7/8" x 6" - Extra Long - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

1/2" Drive - 7/8" x 6" - Extra Long 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673912
Mfg#:
B8800067
In Stock
ON SALE!
$24.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 4-Wire Oxygen Sensor - Priced Each

ES#2532224 - 15733 - Universal 4-Wire Oxygen Sensor - Priced Each - Four wire universal OBD-II Oxygen sensor - Bosch - Audi BMW Volkswagen

Four wire universal OBD-II Oxygen sensor We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2532224
Mfg#:
15733
In Stock
Limited Qty Sale
$74.99

This product was last offered at the strikethrough price on
10-23-2026

$68.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#4716227 - 8K0253115D - Exhaust Gasket - Priced Each - Seals the catalytic converter to the downpipe - Elring - Audi

Seals the catalytic converter to the downpipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4716227
Mfg#:
8K0253115D
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#2564019 - 4G0253115D - Exhaust Gasket - Priced Each - Seal the turbocharger to the downpipe - Genuine Volkswagen Audi - Audi

Seal the turbocharger to the downpipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2564019
Mfg#:
4G0253115D
In Stock
15% off MSRP

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

$46.38

This product was last offered at the strikethrough price on
11-03-2026

$39.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve - Priced Each

ES#2681440 - 06B131101K - EGR Valve - Priced Each - Also known as the 'combi valve' - Pierburg - Audi Volkswagen

Also known as the 'combi valve' Fits the left side only

Brand:
Pierburg - Corporate Logo
ES#:
2681440
Mfg#:
06B131101K
Ships in 1 day
$157.55 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#4818207 - 4H0906262P - Oxygen Sensor - Priced Each - Front Right - Upstream - Bosch - Audi

Front Right - Upstream We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4818207
Mfg#:
4H0906262P
Ships in 1 Business Day
$158.99

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

$154.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#3420003 - 4H0906265C - Oxygen Sensor - Priced Each - Located behind the catalytic converter - Bosch - Audi

Located behind the catalytic converter We Price Match - Give Us A Call or Chat!
Fits left side

Brand:
Bosch - Corporate Logo
ES#:
3420003
Mfg#:
4H0906265C
In Stock
$126.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3 Pc. OXygen Sensor Wrench Set

ES#4001175 - CTA2073 - 3 Pc. OXygen Sensor Wrench Set - Get the complete set. - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Get the complete set.

Brand:
CTA Tools - Corporate Logo
ES#:
4001175
Mfg#:
CTA2073
In Stock
$50.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Innovate LC-2 Wideband O2 Controller Kit

ES#4809696 - 38770 - Innovate LC-2 Wideband O2 Controller Kit - Includes Lambda cable & 8-foot sensor cable. - Innovate Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes Lambda cable & 8-foot sensor cable.

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4809696
Mfg#:
38770
In Stock at Vendor
$212.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#5339662 - 4G0253115D - Exhaust Gasket - Priced Each - Seal the turbocharger to the downpipe - Elring - Audi

Seal the turbocharger to the downpipe 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5339662
Mfg#:
4G0253115D
In Stock
$32.99

This product was last offered at the strikethrough price on
05-17-2026

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

ES#3420004 - 4H0906262H - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi

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

Brand:
Bosch - Corporate Logo
ES#:
3420004
Mfg#:
4H0906262H
In Stock
$102.34

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

$96.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

Rear Left - Downstream We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4818210
Mfg#:
4H0906262M
Ships in 1 Business Day
$174.99

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

$151.99 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.

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

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