Buy 1991 Mazda B2600 LE-5 Extended Cab Pickup Fleetside Engine Coolant Thermostat Housing. RX7; w/Fuel COOLING, Fuel, Injection - OEM Mazda Part # N23615170 (N236-15-170)

Cover, THER. Engine Coolant Thermostat Housing. Water Neck.
Engine Coolant Housing where a Thermostat is used but not included.

Engine Coolant Thermostat Housing

Fits RX-7

RX7; w/Fuel Injection.
Engine Coolant Thermostat Housing - Repair or Replace
A failed thermostat housing will likely result in a cooling system leak, or will cause the engine in your 1991 Mazda B2600 to overheat. Consider replacing your engine coolant thermostat or having our staff of expert techs handle it for you.