Gates CO35086 Engine Coolant Water Outlet

Engine Coolant Water Outlet for Mazda Applications

The Gates CO35086 coolant outlet is an OE-style engine coolant water outlet built for Mazda cooling system service. It is made from aluminum and steel and includes the thermostat housing and gasket for a direct replacement on select Mazda 3, Mazda 3 Sport, Mazda 6, CX-3, and CX-5 applications.

Gates Coolant Outlet parts are part of a focused product line that covers everything from individual water outlets to complete thermostat housing assemblies. The goal is to address common material and design issues found in many aftermarket replacements while maintaining original fit and function.

Key Features

• Part number CO35086
• Engine coolant water outlet with thermostat housing design
• Constructed from aluminum and steel
• Includes gasket
• Five bolt hole mounting pattern
• Outlet inside diameters: 0.4, 0.6, and 1 inch
• Outlet outside diameters: 0.5, 0.7, and 1.3 inches
• Direct-fit replacement for select Mazda cooling system applications

Detailed Description

The Gates CO35086 is engineered as a replacement coolant outlet for vehicles that use a thermostat housing-style coolant connection. It is designed to match original fit and performance requirements while using durable aluminum and steel construction for long service life. If you are servicing a Mazda cooling system and need a thermostat housing assembly, this part provides a practical OE-style solution.

This part cross-references CH3011 and P5021517ZA for the same application. It is a strong match for drivers searching for a Mazda 3 coolant outlet, Mazda 6 thermostat housing replacement, or a CX-3 coolant outlet assembly. The CO35086 also supports Mazda CX-5 cooling system repair where the original outlet has worn, cracked, or leaked.

Vehicle Fitment

• Fits 2014-2018 Mazda 3, N/A
• Fits 2017-2018 Mazda CX-3, N/A
• Fits 2014-2017 Mazda 3 Sport, N/A
• Fits 2015-2016 Mazda 6, N/A
• Fits 2016 Mazda CX-5, N/A

Common Repair Uses

• Replacing a leaking coolant outlet or thermostat housing
• Repairing cracked or warped cooling system plastic components
• Restoring proper coolant flow at the engine outlet
• Addressing coolant loss, seepage, or residue around the housing
• Servicing a worn Mazda thermostat housing assembly

Installation Notes and Quality

Confirm the outlet diameter, bolt-hole pattern, and vehicle application before installation. Clean the mating surfaces thoroughly and inspect the gasket sealing area for corrosion or debris before assembly. The CO35086 is built to fit and perform like the original component and is intended for long service life in the cooling system.

Quality assurance is supported by Gates’ OE-style cooling system engineering and application-specific product coverage for Mazda 3, Mazda 3 Sport, Mazda 6, CX-3, and CX-5 models.