Walker 83607 Catalytic Converter - Front Right

Walker CalCat 83607 Catalytic Converter

Walker CalCat 83607 is a universal catalytic converter built for CARB-compliant replacement applications on select Subaru vehicles. It uses a stainless steel body with a ceramic substrate and pipe connections at both ends for a 2.25-inch inlet and outlet.

Designed for OBDII and non-OBD vehicles, this Walker CalCat catalytic converter supports emissions-system repair where CARB Executive Order coverage is required. It is a direct fit for the front right position on listed Subaru Outback and Subaru Tribeca applications, including 2005-2009 Subaru Outback and 2006-2009 Subaru Tribeca coverage shown below.

Key Features

• Part number 83607 from Walker CalCat
• Universal catalytic converter with pipe connection inlet and outlet
• 2.25-inch inlet and 2.25-inch outlet inside diameter
• Stainless steel body with ceramic substrate material
• Round body shape; overall length 11 inches
• CARB certified for California and other CARB-requiring states
• Oxygen sensor location: pre and post catalyst
• Single converter quantity for one replacement position

Product Details

Walker CalCat is the emissions-focused product line from Walker, built around CARB-compliant replacement converters for regulated applications. Part number 83607 is a regular-grade, economy catalytic converter with a compact 4 x 4 x 4.75-inch body and an 11-inch overall length, making it suitable for select Subaru exhaust repair jobs where the original converter must meet California Air Resources Board standards. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Compatible vehicle coverage includes Fits 2005 Subaru Outback, Front Right; Fits 2006 Subaru Outback, Front Right; Fits 2007 Subaru Outback, Front Right; Fits 2008 Subaru Outback, Front Right; Fits 2009 Subaru Outback, Front Right; Fits 2006 Subaru B9 Tribeca, Front Right; Fits 2007 Subaru B9 Tribeca, Front Right; Fits 2008 Subaru Tribeca, Front Right; and Fits 2009 Subaru Tribeca, Front Right. Searchers looking for a CARB catalytic converter for Subaru Outback front right or a Walker 83607 Subaru Tribeca replacement will find this part listed for those applications.

Common Repair Uses

• Replacing a failed front right catalytic converter on a Subaru Outback
• Addressing emissions-test failures tied to converter efficiency
• Restoring exhaust flow after a damaged or restricted converter
• Repairing a CARB-regulated emissions system on listed Subaru models
• Servicing a front right Subaru Tribeca catalytic converter application

Installation Notes

Installation may require modifications or additional parts, depending on the vehicle and exhaust condition. Verify inlet and outlet diameter, overall length, and oxygen sensor placement before installation. Because this is a universal-style converter with pipe connections, proper exhaust fabrication and secure sealing are important for a correct repair. Confirm the CARB Executive Order and engine family number against your vehicle before purchase.

Quality Assurance

Walker states that CalCat converters are designed, tested, and validated to meet CARB standards for regulated replacement use. Part number 83607 is CARB certified and intended for applications requiring compliance with California emissions rules and similar state requirements.