Dorman 679-530 Catalytic Converter with Integrated Exhaust Manifold - Right

OE-Style Manifold Catalytic Converter

Dorman 679-530 is a catalytic converter with integrated exhaust manifold for specific Lexus and Toyota applications. It is built as a direct-fit replacement for the original manifold converter layout, with flanged inlet and outlet connections, a ceramic substrate, and a stainless steel body for a precise OE-style repair.

Compatible With 2016-2021 Lexus RX350, right; 2018-2021 Lexus RX350L, right; 2017-2020 Toyota Sienna, right; and 2017-2019 Toyota Highlander, right. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Key Features

• Part number 679-530 catalytic converter with integrated exhaust manifold
• Specific fit for right-side applications on select Lexus RX350, Lexus RX350L, Toyota Sienna, and Toyota Highlander models
• Flanged inlet and outlet for OE-style mounting
• Stainless steel body with ceramic substrate
• Includes inlet gasket, outlet gasket, and mounting hardware listed in the package contents
• Two sensor ports for the original exhaust system layout
• Natural finish and regular-grade construction

Detailed Description

Dorman 679-530 is engineered to match the original equipment manifold converter configuration on the listed vehicles, making it a direct replacement for the factory exhaust manifold and catalytic converter assembly. The flanged design, round inlet and outlet ports, and specific right-side fitment help maintain the original exhaust routing on 2016-2021 Lexus RX350, 2018-2021 Lexus RX350L, 2017-2020 Toyota Sienna, and 2017-2019 Toyota Highlander models. The stainless steel body and ceramic substrate are selected for standard exhaust repair applications where an OE-style manifold converter is required.

Common Repair Uses

• Replacing a cracked or leaking exhaust manifold converter assembly
• Restoring exhaust flow after catalyst deterioration
• Addressing exhaust leaks at the flange or gasket surfaces
• Repairing a failed emissions-related exhaust component on the right side
• Replacing a damaged factory manifold converter on Lexus RX350, RX350L, Highlander, or Sienna models

Installation Notes and Tips

Verify engine and emissions configuration before ordering, since this part is specific to the listed year, make, model, and right-side position. Confirm flange alignment, sensor port placement, and gasket surfaces before installation. Use the included inlet and outlet gaskets during assembly, and inspect the mating exhaust components for warpage, corrosion, or damage that could affect sealing.

Quality Assurance

Dorman manufactures this manifold catalytic converter as a direct replacement for the original equipment design on the specified applications. Part number 679-530 is built to OE-style dimensions and mounting points for the listed Lexus and Toyota vehicles.