Eastern Convertors 40599 Catalytic Converter with Integrated Exhaust Manifold - Front Right or Right

Direct-Fit Catalytic Converter Manifold

Eastern Convertors DIRECT FIT Part Number 40599 is a Federal / EPA direct-fit catalytic converter with integrated exhaust manifold for specific Toyota applications. It is built to OE dimensions for accurate fitment and uses ECO III catalyst technology with a high-efficiency NANO substrate chemistry for effective exhaust treatment.

Key Features

• Part Number 40599
• Brand Line: DIRECT FIT
• Federal / EPA direct-fit manifold design
• Integrated exhaust manifold construction
• ECO III catalyst type
• 6-bolt welded inlet and 3-bolt welded outlet
• 1 O2 sensor port
• 25-inch overall length
• Built to OE dimensions for fitment accuracy

Fitment Details

• Fits 2003-2009 Toyota 4Runner, right.
• Fits 2007-2009 Toyota FJ Cruiser, right.
• Fits 2005-2008 Toyota Tacoma, right.
• Fits 2005-2006 Toyota Tundra, front right, firewall side.

The DIRECT FIT product line is engineered for applications that require a direct replacement exhaust manifold and catalytic converter assembly. For Toyota 4Runner, Toyota FJ Cruiser, Toyota Tacoma, and Toyota Tundra applications, Part Number 40599 follows the original mounting layout and connection style to simplify replacement on the correct bank and position.

What It Helps Address

• Failed or restricted catalytic converter performance
• Cracked or leaking integrated exhaust manifold assemblies
• Exhaust leaks at the inlet or outlet flange
• Check engine light concerns related to catalyst efficiency or O2 sensor readings
• Fitment issues caused by non-OE-style replacement parts

Installation Notes

Confirm the vehicle is equipped with the Federal / EPA configuration before ordering, since this part is not for sale or use in California, Colorado, Maine, or New York vehicles with CA emissions. Verify right-side or front-right placement, along with the 6-bolt welded inlet, 3-bolt welded outlet, and single O2 sensor port before installation. No inlet gasket, inlet hardware, or outlet hardware is listed; outlet gasket quantity is specified as 1.

Quality Assurance

Eastern Convertors uses automated workstations, spinner welding equipment, and high-speed production lines to build converters to OE dimensions and consistent fitment. The ECO III catalyst and proprietary NANO substrate chemistry are used to support efficient exhaust conversion in a direct-fit replacement format.