MOTOKU HVAC engine heater inlet & lower radiator outlet hose assembly for GM 2007–2014 — OE-fit, preformed

MOTOKU HVAC engine heater inlet and lower radiator outlet hose assembly is a direct-fit replacement hose kit engineered to restore coolant flow and heater performance for select GM trucks and SUVs.

This replacement hose assembly is designed to match OE fitment and routing for many GM V8 models from the late 2000s and early 2010s. Built as a complete inlet and outlet hose piece, it simplifies installation compared with piecemeal repairs and is listed to replace multiple factory part numbers. Use it when the original hose shows leaks, cracks, or soft spots that can allow coolant loss and reduced cabin heating.

Which vehicles will this hose assembly fit?

This assembly fits a broad list of GM full-size trucks and SUVs across model years 2007–2014 depending on the specific model. Confirm compatibility with your VIN or the OEM part numbers before purchasing to ensure a correct match.

• Cadillac Escalade, Escalade ESV, and Escalade EXT (2007–2014 where noted)
• Chevrolet Avalanche, Suburban 1500/2500, Silverado 1500/2500/3500 (2007–2013)
• GMC Sierra lines and Yukon/Yukon XL variants (2007–2014)
• Also fits Hummer H2 models from 2008–2009

How does this part compare to the original equipment hose?

The MOTOKU assembly is manufactured to match OE shape, mounting points, and coolant flow path so it installs in the factory routing without modification. Materials and hose diameters are chosen to withstand the same pressure and temperature ranges as the stock component.

• Direct-fit replacement for common OEM part numbers (see list below)
• Preformed bends and connector interfaces reduce installation time
• Designed to resist coolant, heat, and vibration experienced in heavy-duty use

What OEM part numbers does it replace and why are those important?

This assembly replaces numerous factory numbers that technicians reference when ordering replacement cooling components. Matching the OEM reference helps ensure you receive the correct routing and connection geometry for your model.

• Replaces: 626-619, 22884219, 15200960, 15005677, 15051850, 15059577
• Also cross-references: 25904691, 15058002, 15834772, 15834773, 15792822
• Includes legacy references: 626-553, 626619, 626553 for older parts lists

What should I expect during installation and maintenance?

Installation is straightforward for anyone comfortable with a moderate DIY cooling system repair or a professional technician. Drain the cooling system, remove the old hose assembly, confirm mating surfaces and clamps, then install the MOTOKU assembly and refill with the correct coolant.

• Requires coolant drain and safe disposal per local regulations
• Inspect nearby clamps, sensors, and thermostat for wear while replacing
• Pressure-test the system after installation to verify leak-free operation

Who is this for: Drivers and technicians who own or service late-2000s to early-2010s GM full-size trucks and SUVs—Cadillac Escalade, Chevrolet Silverado/Suburban/Avalanche, GMC Sierra/Yukon, and Hummer H2—who need a reliable, direct-fit replacement for a failing heater inlet or lower radiator outlet hose. It is ideal for fleet maintenance shops, DIY mechanics seeking an OE-style replacement, and anyone restoring HVAC and cooling performance without custom fabrication. Always verify vehicle compatibility by model year and OEM part number before ordering.