Four Seasons 86054 Engine Coolant Outlet Flange

Engine Coolant Outlet Flange for Mazda Applications

Four Seasons Coolant Flange 86054 is an engine coolant outlet flange built for select Mazda cooling system repairs. It is a plastic, OE-style replacement that meets or exceeds OEM requirements and uses a 4-hole mounting pattern with two hose barb outlets.

Compatible With Mazda 3, Mazda 3 Sport, Mazda 5, Mazda 6, and CX-7 applications, this coolant flange is a direct-fit service part for vehicles that need a replacement coolant outlet connection. Four Seasons 86054 is part of the Coolant Flange line and is made for engine coolant component service.

Key Features

• Engine coolant outlet flange for cooling system repair
• Plastic construction for OE-style fit and function
• Two hose barb outlets with 5 total port openings
• 4 mounting holes / 4 bolt holes for secure installation
• Style without thermostat
• Meets or exceeds OEM specifications
• Cross-references Motorad CH7690 and Autotecnica MA1412993 for the same application

Product Details

Four Seasons 86054 is an engine coolant outlet flange used in Mazda cooling system service where the original flange has cracked, warped, or begun leaking. The plastic body, dual outlet layout, and 4-hole mounting design support a direct replacement approach for common Mazda coolant flange repairs. This part number is also referenced as 86054 in Four Seasons catalogs.

Fits 2006-2013 Mazda 3, N/A; Fits 2009-2013 Mazda 3 Sport, N/A; Fits 2009-2013 Mazda 6, N/A; Fits 2008-2010 Mazda 5, N/A; Fits 2012-2015 Mazda 5, N/A; Fits 2010-2012 Mazda CX-7, N/A.

Common Repair Uses

• Replacing a cracked or leaking coolant outlet flange
• Restoring coolant routing at the engine connection point
• Repairing damaged hose barb attachment points
• Addressing coolant seepage from a worn plastic flange
• Servicing Mazda cooling system components with OE-style fitment

Installation Notes

Inspect the mating surface, hose condition, and adjacent cooling components before installation. This flange does not include mounting hardware or a gasket/seal, so those items must be sourced separately if required by the repair. Verify hose barb alignment and bolt-hole placement against the original part before final assembly.

Quality Assurance

Four Seasons 86054 is built to meet or exceed OEM specifications for the listed Mazda applications. Four Seasons Coolant Flange parts are positioned for engine coolant component replacement where accurate fit and cooling-system integrity matter.