Thermostat Bypass Hose, 66-77 Ford Bronco SKU: 5037
Thermostat Bypass Hose, 66-77 Ford Bronco
Product Overview:
An often-overlooked component with a big role in cooling system performance, the Early Bronco Thermostat Bypass Hose connects the water pump to the intake manifold on your 289 or 302 V8. Designed for 1966–77 Broncos, this molded rubber hose allows coolant to circulate before the thermostat opens, ensuring quicker engine warm-ups and helping prevent overheating. Whether you're maintaining your original V8 or rebuilding your cooling system from the ground up, this hose delivers reliable performance and a proper factory fit.
Full description
An often-overlooked component with a big role in cooling system performance, the Early Bronco Thermostat Bypass Hose connects the water pump to the intake manifold on your 289 or 302 V8. Designed for 1966–77 Broncos, this molded rubber hose allows coolant to circulate before the thermostat opens, ensuring quicker engine warm-ups and helping prevent overheating. Whether you're maintaining your original V8 or rebuilding your cooling system from the ground up, this hose delivers reliable performance and a proper factory fit.
Early Bronco Thermostat Bypass Hose | Rubber | Ford 289 302 V8
Maintain proper coolant circulation in your classic V8 Bronco with this Thermostat Bypass Hose, designed specifically for 1966–77 Ford Broncos equipped with factory 289 or 302 small block engines. This molded rubber hose routes coolant between the intake manifold and the water pump, allowing flow during engine warm-up before the thermostat opens. An essential part of the factory cooling system, this bypass hose helps prevent overheating and ensures quicker warm-up times. Built for durability and an exact factory-style fit.
-
Fits 289 & 302 V8s – Designed for 1966–77 Ford Broncos with factory small block V8 engines
-
Critical Cooling Function – Maintains coolant circulation before thermostat opens
-
Connects Intake to Water Pump – Bypasses thermostat for continuous coolant flow during warm-up
-
Molded Rubber Design – Flexible and durable hose ensures OEM-style fit and function
- Easy Installation – Direct replacement for worn or cracked original hoses
Keep coolant flowing with this V8 bypass hose—fits 289/302 early Broncos and ensures proper warm-up flow between water pump and intake manifold.