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Audi Q7 TDI Exhaust Emission Parts

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AdBlue DEF Fluid - 9.46 Liters

ES#465436 - GUS052910A3 - AdBlue DEF Fluid - 9.46 Liters - Diesel exhaust fluid - Genuine Volkswagen Audi - Audi BMW Volkswagen Mercedes Benz

Diesel exhaust fluid

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465436
Mfg#:
GUS052910A3
In Stock
$34.86 USD
Free Shipping
on orders $49 and up

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 For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
240942
Mfg#:
FO-78
In Stock
ON SALE! SAVE 25%
$48.99

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

$36.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AdBlue DEF Fluid - 10 Liters

ES#4773177 - 000989980911 - AdBlue DEF Fluid - 10 Liters - Diesel exhaust fluid - Genuine Mercedes Benz - Audi BMW Volkswagen Mercedes Benz

Diesel exhaust fluid

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4773177
Mfg#:
000989980911
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.

$59.00

This product was last offered at the strikethrough price on
08-03-2026

$54.99 USD
Free Shipping
on orders $49 and up

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
In Stock
$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Particulate Filter

ES#2738479 - 7L8254800NXKT - Remanufactured Particulate Filter - Includes a $200.00 refundable core charge - Genuine Volkswagen Audi - Audi

Includes a $200.00 refundable core charge

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2738479
Mfg#:
7L8254800NXKT
In Stock
ON SALE!
$3338.99

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

$3170.84 USD
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 For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673911
Mfg#:
B8800066
Ships on Sep 1, 2026
Auto Notify
ON SALE! SAVE 25%
$49.99

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

$37.49 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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2532224
Mfg#:
15733
In Stock
$82.99

This product was last offered at the strikethrough price on
02-16-2026

$74.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Nox Sensor - With Control Module

ES#3196014 - 059907807T - Nox Sensor - With Control Module - Monitors nitrogen oxide emissions levels after catalyst - Genuine Volkswagen Audi - Audi Volkswagen

Monitors nitrogen oxide emissions levels after catalyst

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3196014
Mfg#:
059907807T
Ships in 3 Business 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.

$566.99

This product was last offered at the strikethrough price on
08-03-2026

$528.99 USD
Free Shipping
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 For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673912
Mfg#:
B8800067
Ships on Sep 1, 2026
Auto Notify
ON SALE! SAVE 20%
$29.99

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

$23.99 USD
Free Shipping
on orders $49 and up
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

Front Oxygen Sensor

ES#319083 - 1K0998262AD - Front Oxygen Sensor - Located before catalytic converter, restore mileage and clear codes - Genuine Volkswagen Audi - Audi Volkswagen

Located before catalytic converter, restore mileage and clear codes

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
319083
Mfg#:
1K0998262AD
Ships in 3 Business Days
6% off MSRP

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

$94.99

This product was last offered at the strikethrough price on
08-03-2026

$88.99 USD
Free Shipping
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
In Stock
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Filling Hose For AdBlue Urea Solution

ES#3678273 - 000012499 - Filling Hose For AdBlue Urea Solution - Attaches to container and mounts to vehicle tank for spill-less filling of Adblue solution - MTC - Audi Volkswagen

Attaches to container and mounts to vehicle tank for spill-less filling of Adblue solution For 45mm threaded openings. Please measure yours prior to ordering.

Brand:
MTC - Corporate Logo
ES#:
3678273
Mfg#:
000012499
Ships in 6 Business Days
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve

ES#3613691 - 059131503AM - EGR Valve - Controls NOx emissions - Genuine Volkswagen Audi - Audi Volkswagen

Controls NOx emissions For vehicles with CNRB engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3613691
Mfg#:
059131503AM
In Stock
Limited Qty Sale
$392.99

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

$350.99 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

Exhaust Gas Recirculation Valve

ES#2913092 - 059131502G - Exhaust Gas Recirculation Valve - Controls EGR flow into the intake - Genuine Volkswagen Audi - Audi Volkswagen

Controls EGR flow into the intake For vehicles with CATA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2913092
Mfg#:
059131502G
Ships in 3 Business 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.

$624.99

This product was last offered at the strikethrough price on
08-03-2026

$582.99 USD
Free Shipping
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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