The 3697436F Bypass Water Hose is a specialized OEM cooling system component engineered exclusively for Cummins diesel engines, covering a wide range of applications including heavy-duty on-highway vehicles (long-haul trucks, urban buses), off-highway machinery (construction excavators, mining loaders, agricultural tractors), and stationary industrial generators.

The 3697436F Bypass Water Hose delivers exceptional cold-start performance, a key advantage for equipment operating in low-temperature environments. By diverting coolant away from the radiator during startup, it cuts engine warm-up time by 25-30%.

Durability is a standout feature. The EPDM rubber inner tube resists coolant degradation and thermal aging, maintaining flexibility even after 5,000+ hours of exposure to temperatures ranging from -40°C to 130°C. The polyester braided reinforcement adds structural rigidity to withstand vibration (up to 2,000 Hz).

The company is a comprehensive and diversified enterprise established in 2009. We specialize in diesel generator sets, engine assembly, pure parts sales, and after-sales service. With strong technical strength and rich experience, we focus on the maintenance of all kinds of construction machinery and provide efficient, professional equipment maintenance services to solve all kinds of equipment failures.