Davico
Exact-Fit Catalytic Converter

Davico 17521 Catalytic Converter - Front Left

Brand Davico 17521
Position Front Left
Gaskets Included Yes
Inlet Type 3 bolt fixed flange
Number Of O2 Sensors 2
Outlet Type 3 bolt fixed flange
Over All Length 20.5
Product line Exact-Fit Catalytic Converter
Fits Audi · 4 vehicles

Exact-Fit design. Built from original equipment sample parts for proper fit and function.

Emissions-focused catalyst. Formulated for OBDII vehicles with reduced exhaust emissions.

Factory-style connections. 3-bolt fixed flanges at both ends help match the exhaust layout.

$375.70Free shipping
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Exact-Fit Catalytic Converter for Audi Q7

Davico Exact-Fit Catalytic Converter 17521 is built for direct-fit replacement on the specified application. It uses original equipment sample parts as the reference for fit and function, with an emissions-reducing catalyst formulated for OBDII vehicles.

Compatible With 2007-2010 Audi Q7, front left. This part number is 17521.

Key Features

  • Exact-Fit design based on original equipment sample parts
  • Emissions-reducing catalyst for OBDII vehicle requirements
  • 3-bolt fixed flange inlet and outlet
  • Gaskets included
  • Built with two O2 sensor provisions
  • 20.5-inch overall length

Detailed Description

Davico 17521 is an Exact-Fit Catalytic Converter for the Audi Q7 application listed above. The converter is engineered around OE sample parts to maintain proper fitment and function, while the catalyst is selected to address emissions control needs on current OBDII systems. The 3-bolt fixed flange inlet and outlet help match the factory-style exhaust connection points, and the included gaskets support a cleaner replacement process. This part number, 17521, is intended for the 2007-2010 Audi Q7, front left application shown in the fitment data.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

  • Replacing a worn or failed catalytic converter
  • Restoring emissions control performance
  • Addressing exhaust leaks at the flange connection
  • Correcting OBDII-related catalyst efficiency concerns

Installation Notes and Tips

Verify the vehicle’s emissions configuration before installation. Fitment notes state that this converter is not legal for use in California and is illegal for installation in New York on vehicles equipped with California emission systems. Confirm the flange style, O2 sensor count, and overall length against the existing exhaust assembly before beginning the job.

Quality Assurance

Davico uses original equipment sample parts as the basis for fit and function, and this converter is built with a catalyst selected for emissions reduction on OBDII vehicles.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2010AudiQ74.2LV8Front LeftNot legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems; Exact-Fit Catalytic Converter
2009AudiQ74.2LV8Front LeftNot legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems; Exact-Fit Catalytic Converter
2008AudiQ74.2LV8Front LeftNot legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems; Exact-Fit Catalytic Converter
2007AudiQ74.2LV8Front LeftNot legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems; Exact-Fit Catalytic Converter