Cut to Fit
Reuse OEM Connector
Cut to fit
w/ Aux Heater
Cut to Fit
w/ Aux Heater
Cut to Fit
w/Aux. Heater
W/Aux. Heater
Cut to fit
W/O Aux. Heater; Cut to fit
W/Aux. Heater; Cut to fit
Cut to fit
W/O Aux. Heater; Cut to fit
Straight
Cut to Fit
W/O Aux. Heater; Cut to fit
W/Aux. Heater; Cut to fit
W/Aux. Heater
Cut to fit
Cut to fit
W/Aux. Heater
Cut to Length, 6"
1/4" x 20"
Cut to Length, 35"
3/8" x 36"
1/2" x 24"
5/8" x 48"
Cut to Length, 18"
W/Aux. Heater; Cut to Length, 3"
3/4" x 3"
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Browse our selection of quality hvac heater hose parts designed specifically for your Chevrolet Trailblazer. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit for your vehicle.
A • B • Base • LS • LT • LTZ • North Face • Q • R • SS
Sport Utility
L6 4.2L • V8 5.3L • V8 6.0L
Automatic
Alternator To Separator • Auxiliary Heater Inlet • Auxiliary Heater Inlet and Outlet • Auxiliary Heater Outlet • Auxiliary Heater Pipe To Auxiliary Heater • Auxiliary Heater Pipe To Auxiliary Heater Pipe-3 • Auxiliary Heater Pipe To Pipe • Auxiliary Heater Pipe To Radiator • Auxiliary Heater Pipe To Tee • Auxiliary Heater Pipe-1 To Auxiliary Heater • Auxiliary Heater Pipe-1 To Auxiliary Heater Pipe-2 • Auxiliary Heater Pipe-1 To Engine • Auxiliary Heater Pipe-1 To Tee • Auxiliary Heater Pipe-1 To Tee-1 • Auxiliary Heater Pipe-2 To Auxiliary Heater • Auxiliary Heater Pipe-2 To Auxiliary Heater Pipe-3 • Auxiliary Heater Pipe-2 To Heater • Auxiliary Heater Pipe-2 To Radiator • Auxiliary Heater Pipe-2 To Tee • Auxiliary Heater Pipe-2 To Tee-2 • Auxiliary Heater Pipe-2 To Valve • Auxiliary Heater Pipe-3 To Auxiliary Heater • Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4 • Auxiliary Heater Pipe-3 To Auxiliary Heater Valve • Auxiliary Heater Pipe-3 To Tee-2 • Auxiliary Heater Pipe-4 To Auxiliary Heater • Auxiliary Heater Pipe-4 To Auxiliary Heater Pipe-5 • Auxiliary Heater Pipe-7 To Auxiliary Heater Pipe-8 • Auxiliary Heater To Auxiliary Heater Pipe-1 • Auxiliary Heater To Auxiliary Heater Pipe-2 • Auxiliary Heater To Engine • Auxiliary Heater To Pipe • Auxiliary Heater To Pipe-1 • Auxiliary Heater To Pipe-2 • Auxiliary Heater To Pipe-3 • Auxiliary Heater To Pipe-4 • Auxiliary Heater To Pipe-8 • Auxiliary Heater To Primary Heater • Auxiliary Heater To Tee • Auxiliary Heater Valve To Auxiliary Heater Pipe-4 • Auxiliary Heater Valve To Pipe • Auxiliary Heater Valve To Pipe-3 • Auxiliary Radiator Inlet • Auxiliary Radiator Outlet • Auxiliary Radiator To Coolant Pump-1 • Auxiliary Water Pump Inlet • Auxiliary Water Pump Outlet • Auxiliary Water Pump To Inverter • Auxiliary Water Pump To Pipe-1 • Auxiliary Water Pump To Pipe-3 • Auxiliary Water Pump To Radiator Pipe • Auxiliary Water Pump To Valve • Battery Outlet To Battery Coolant Valve • Block Heater To Water Pump • Breather To Pipe • Bypass To Tee • Canister To Pipe-3 • Carburetor To Engine • Carburetor To Intake Manifold • Connector To Engine • Connector To Heater • Connector To Pipe • Connector To Pipe-3 • Connector To Radiator Filler Neck • Connector To Tee-1 • Connector To Thermostat • Connector To Valve • Connector To Water Pump • Connector-1 To Intake Manifold • Connector-2 To Heater Valve • Converter To Pipe-2 • Coolant Filter To Inverter • Coolant Filter To Reservoir • Coolant Pump-2 To Coolant Filter • Coolant Reservoir • Coupler To Thermostat • Crossover To Pipe • Engine Pipe To Pipe Assembly • Engine To Auxiliary Heater • Engine To Connector • Engine To Engine • Engine To Heater • Engine To Heater Inlet Hose • Engine To Oil Cooler • Engine To Oil Cooler Pipe-1 • Engine To Oil Cooler Pipe-2 • Engine To Pipe • Engine To Pipe-1 • Engine To Pipe-2 • Engine To Pipe-3 • Engine To Pipe-4 • Engine To Pipe-5 • Engine To Pipe-6 • Engine To Pipe-7 • Engine To Reservoir • Engine To Tee • Engine To Tee-1 • Engine To Tee-2 • Engine To Tee-4 • Engine To Throttle Body • Engine To Turbocharger • Engine To Valve • Engine To Valve-2 • Exhaust Gas Recirculation Cooler To Pipe • Filler Neck To Pipe-2 • Filler Pipe To Radiator • Filler Reservoir To Radiator • Filler Tank • Filler Tank - Pipe to Engine • Filter To Engine • Filter To Intake Manifold • Filter To Reservoir • Heat Exchanger To Water Pump • Heater • Heater - Right Side • Heater (Lower) • Heater (Upper) • Heater Control Valve To Heater Inlet • Heater Core Inlet To Engine • Heater Hose • Heater Inlet • Heater Inlet (Left) • Heater Inlet (Rear) • Heater Inlet To Pipe • Heater Outlet • Heater Outlet (Front) To Pipe • Heater Outlet To Pipe • Heater Pipe To Throttle Body • Heater To Auxiliary Heater Pipe-1 • Heater To Auxiliary Heater Valve • Heater To Connector • Heater To Engine • Heater To Heater Pipe (Upper) • Heater To Heater Valve • Heater To Inlet • Heater To Intake • Heater To Intake Manifold • Heater To Oil Cooler • Heater To Outlet • Heater To Pipe • Heater To Pipe (Inlet) • Heater To Pipe (Left) • Heater To Pipe (Lower) • Heater To Pipe (Outlet) • Heater To Pipe (Right) • Heater To Pipe (Upper) • Heater To Pipe-1 • Heater To Pipe-1 (Left) • Heater To Pipe-2 • Heater To Pipe-3 • Heater To Pipe-3 (Right) • Heater To Pipe-4 • Heater To Pipe-5 • Heater To Pipe-6 • Heater To Radiator • Heater To Reducer • Heater To Regulator • Heater To Restrictor • Heater To Sensor • Heater To Splice • Heater To Tank • Heater To Tee • Heater To Tee (Inlet) • Heater To Tee (Outlet) • Heater To Tee-1 • Heater To Tee-2 • Heater To Tee-2 (Inlet) • Heater To Thermostat • Heater To Throttle Body • Heater To Valve • Heater To Valve (Left) • Heater To Valve (Lower) • Heater To Valve (Right) • Heater To Valve (Upper) • Heater To Valve Inlet • Heater To Valve Outlet • Heater To Valve-1 • Heater To Valve-1 (Inlet) • Heater To Valve-1 (Outlet) • Heater To Valve-2 • Heater To Water Pump • Heater To Water Pump Pipe • Heater Valve To Connector-1 • Heater Valve To Heater • Heater Valve To Heater Pipe (Lower) • Heater Valve To Tee • Housing To Pipe • Housing To Pipe-1 • Housing To Transmission Oil Cooler • Intake Manifold PCV Heater To PCV Valve Heater • Intake Manifold PCV Heater To Pipe-2 • Intake Manifold PCV Heater To Thermostat • Intake Manifold To Engine • Intake Manifold To Heater • Intake Manifold To PCV Heater • Intake Manifold To Pipe • Intake Manifold To Pipe-1 • Intake Manifold To Pipe-2 • Intake Manifold To Pipe-3 • Intake Manifold To Pipe-4 • Intake Manifold To Tee • Intake Manifold To Thermostat • Intake Manifold To Throttle Body • Intake Manifold To Valve • Intake Manifold To Valve-2 • Intake Manifold To Water Pump • Intake Manifold Warmer To Thermostat Valve • Inverter Cooling Hose-1 • Inverter Cooling Hose-10 • Inverter Cooling Hose-2 • Inverter Cooling Hose-4 • Inverter Cooling Hose-5 • Inverter Cooling Hose-6 • Inverter Cooling Hose-7 • Inverter Cooling Hose-8 • Inverter To Radiator Pipe • Left Pipe To Rear Crossover • Lower • Metal Elbow To Oil Cooler • Oil Cooler • Oil Cooler Inlet • Oil Cooler Outlet • Oil Cooler Pipe-4 To Oil Cooler • Oil Cooler To Block • Oil Cooler To Engine • Oil Cooler To Pipe • Oil Cooler To Pipe-1 • Oil Cooler To Pipe-2 • Oil Cooler To Pipe-3 • Oil Cooler To Pipe-4 • Oil Cooler To Radiator • Oil Cooler To Tee-2 • Oil Cooler To Thermostat • Oil Cooler To Throttle Body • Oil Cooler To Water Pump • PCV Heater To Throttle Body • PCV Heater To Water Pump Pipe • PCV Valve Heater To Intake Manifold • PCV Valve Heater To Intake Manifold PCV Heater • PCV Valve To Intake Manifold • Pipe To Auxiliary Heater • Pipe To Auxiliary Heater Pipe • Pipe To Auxiliary Heater Pipe (Inlet) • Pipe To Auxiliary Heater Valve • Pipe To Carburetor • Pipe To Crossover Manifold • Pipe To Engine • Pipe to Engine (Inlet) • Pipe To Engine (Left) • Pipe to Engine (Outlet) • Pipe To Engine (Right) • Pipe To Engine Oil Cooler • Pipe To Exhaust Gas Recirculation Valve • Pipe To Filler Tank • Pipe To Filter • Pipe To Heater • Pipe To Heater Inlet • Pipe To Intake Manifold • Pipe To Oil Cooler • Pipe To Pipe • Pipe To Pipe (Inlet) • Pipe To Pipe (Outlet) • Pipe To Radiator • Pipe To Reservoir • Pipe To Tank • Pipe To Tee • Pipe To Thermostat • Pipe To Throttle Body • Pipe To Transmission Oil Cooler • Pipe To Turbocharger • Pipe To Valve • Pipe To Valve-3 • Pipe To Water Inlet • Pipe To Water Pump • Pipe-1 To Auxiliary Heater • Pipe-1 To Auxiliary Heater Pipe-1 • Pipe-1 To Carburetor • Pipe-1 To Cooler • Pipe-1 To Engine • Pipe-1 To Heater • Pipe-1 To Intake Manifold • Pipe-1 To Lower Hose Housing • Pipe-1 To Oil Cooler • Pipe-1 To PCV Valve • Pipe-1 To PCV Valve Heater • Pipe-1 To Pipe-2 • Pipe-1 To Pipe-3 • Pipe-1 To Pipe-5 • Pipe-1 To Radiator • Pipe-1 To Reservoir • Pipe-1 To Rotary Air Control Valve Inlet • Pipe-1 To Tee • Pipe-1 To Tee-1 • Pipe-1 To Thermostat • Pipe-1 To Throttle Body • Pipe-1 To Throttle Body (Front) • Pipe-1 To Throttle Body (Rear) • Pipe-1 To Valve • Pipe-1 To Valve (Upper) • Pipe-1 To Valve-1 • Pipe-1 To Water Pump • Pipe-2 To Adapter • Pipe-2 To Auxiliary Heater • Pipe-2 To Auxiliary Heater Pipe-3 • Pipe-2 To Auxiliary Heater Valve • Pipe-2 To Cooler • Pipe-2 To Engine • Pipe-2 To Heater • Pipe-2 To Intake Manifold • Pipe-2 To Intake Manifold Warmer • Pipe-2 To Metal Elbow • Pipe-2 To Oil Cooler • Pipe-2 To Pipe-1 • Pipe-2 To Pipe-3 • Pipe-2 To Pipe-4 • Pipe-2 To Reservoir • Pipe-2 To Tee • Pipe-2 To Tee-2 • Pipe-2 To Thermostat • Pipe-2 To Throttle Body • Pipe-2 To Turbocharger • Pipe-2 To Valve • Pipe-2 To Water Pump • Pipe-3 To Auxiliary Heater • Pipe-3 To Auxiliary Heater Pipe-2 • Pipe-3 To Canister • Pipe-3 To Engine • Pipe-3 To Engine (Right) • Pipe-3 To Intake Manifold • Pipe-3 To Oil Cooler • Pipe-3 To Pipe-4 • Pipe-3 To Pipe-5 • Pipe-3 To Radiator • Pipe-3 To Reservoir • Pipe-3 To Tee-1 • Pipe-3 To Thermostat • Pipe-3 To Throttle Body • Pipe-3 To Valve • Pipe-3 To Valve-2 • Pipe-3 To Water Pump • Pipe-4 To Auxiliary Heater • Pipe-4 To Engine • Pipe-4 To Intake Manifold • Pipe-4 To Oil Cooler • Pipe-4 To Pipe-5 • Pipe-4 To Pipe-6 • Pipe-4 To Radiator • Pipe-4 To Reservoir • Pipe-4 To Tee • Pipe-4 To Tee-3 • Pipe-4 To Thermostat • Pipe-4 To Throttle Body • Pipe-4 To Water Pump • Pipe-5 To Alternator • Pipe-5 To Auxiliary Heater • Pipe-5 To Engine • Pipe-5 To Pipe-1 • Pipe-5 To Pipe-6 • Pipe-5 To Tee • Pipe-5 To Tee-3 • Pipe-5 To Thermostat • Pipe-5 To Throttle Body • Pipe-5 To Valve-2 • Pipe-6 To Auxiliary Heater • Pipe-6 To Pipe-7 • Pipe-6 To Tee-2 • Pipe-6 To Water Inlet • Pipe-7 To Auxiliary Heater • Pipe-8 To Engine • Pipe-8 To Pipe-9 • Pump-1 Inlet To Connector • Radiator Air Vent • Radiator Surge • Radiator Surge Tank Outlet • Radiator To Connector • Radiator To Engine • Radiator To Heater • Radiator To Housing • Radiator To Oil Cooler • Radiator To Pipe • Radiator To Radiator Filler Neck • Radiator To Reducer • Radiator To Reservoir • Radiator To Reservoir (Upper) • Radiator To Tank • Radiator To Tee • Radiator To Tee-1 • Radiator To Throttle Body • Radiator To Valve • Radiator To Water Pump • Reducer To Engine • Reducer To Throttle Body • Reducer To Water Pump • Reservoir (Lower) • Reservoir (Lower) To Tee • Reservoir (Upper) • Reservoir Inlet • Reservoir Outlet • Reservoir Overflow Drain Hose • Reservoir To Connector • Reservoir To Engine • Reservoir To Filler Neck • Reservoir To Intake Manifold • Reservoir To Pipe • Reservoir To Pipe-1 • Reservoir To Pipe-2 • Reservoir To Pipe-3 • Reservoir To Pipe-4 • Reservoir To Pipe-5 • Reservoir To Radiator • Reservoir To Radiator - Overflow • Reservoir To Tee • Reservoir To Tee-1 • Reservoir To Tee-3 • Reservoir To Thermostat • Reservoir To Throttle Body • Reservoir To Upper Radiator Hose • Reservoir To Water Pump • Restrictor To Pipe-1 • Restrictor To Tee • Restrictor To Water Pump • Right • Sensor To Dual-Pipe Cooling Assembly • Sensor To Pipe-1 • Separator To Alternator • Splice To Pipe • Splice To Thermostat Housing • Tank To Engine • Tank To Throttle Body • Tee To Auxiliary Heater • Tee To Auxiliary Heater Pipe • Tee To Auxiliary Heater Pipe-1 • Tee To Auxiliary Heater Pipe-2 • Tee To Auxiliary Heater Pipe-3 • Tee To Carburetor • Tee To Cooler • Tee To Coupler • Tee To Engine • Tee To Engine (Inlet) • Tee To Engine (Outlet) • Tee To Filter • Tee To Heater • Tee To Heater Valve • Tee To Intake Manifold • Tee To Oil Cooler • Tee To Pipe • Tee To Pipe (Inlet) • Tee To Pipe (Outlet) • Tee To Pipe-1 • Tee To Pipe-2 • Tee To Pipe-3 • Tee To Pipe-4 • Tee To Pipe-5 • Tee To Radiator • Tee To Reservoir • Tee To Tee • Tee To Thermostat • Tee To Throttle Body • Tee To Valve • Tee To Valve-2 • Tee To Water Pump • Tee-1 To Auxiliary Air Conditioning • Tee-1 To Auxiliary Heater Pipe-1 • Tee-1 To Auxiliary Pipe-1 • Tee-1 To Engine • Tee-1 To Heater • Tee-1 To Heater Valve • Tee-1 To Intake Manifold • Tee-1 To Oil Cooler • Tee-1 To Pipe • Tee-1 To Pipe-1 • Tee-1 To Pipe-2 • Tee-1 To Pipe-3 • Tee-1 To Pipe-5 • Tee-1 To Reservoir • Tee-1 To Tee-2 • Tee-1 To Tee-3 • Tee-1 To Tee-4 • Tee-1 To Thermostat • Tee-1 To Throttle Body • Tee-1 To Valve • Tee-1 To Valve-1 • Tee-1 To Water Pump • Tee-2 To Auxiliary Air Conditioning • Tee-2 To Auxiliary Heater Pipe-2 • Tee-2 To Auxiliary Heater Pipe-3 • Tee-2 To Auxiliary Heater Pipe-4 • Tee-2 To Engine • Tee-2 To Heater • Tee-2 To Intake Manifold • Tee-2 To Oil Cooler • Tee-2 To Pipe • Tee-2 To Pipe-1 • Tee-2 To Pipe-2 • Tee-2 To Pipe-3 • Tee-2 To Pipe-6 • Tee-2 To Radiator • Tee-2 To Reservoir • Tee-2 To Reservoir (Upper) • Tee-2 To Tee-1 • Tee-2 To Tee-3 • Tee-2 To Thermostat • Tee-2 To Throttle Body • Tee-2 To Valve • Tee-2 To Valve-3 • Tee-2 To Water Pump • Tee-3 To Engine • Tee-3 To Intake Manifold • Tee-3 To Pipe • Tee-3 To Pipe-2 • Tee-3 To Pipe-3 • Tee-3 To Pipe-4 • Tee-3 To Tee-2 • Tee-3 To Tee-4 • Tee-3 To Throttle Body • Tee-4 To Engine • Thermostat To Carburetor • Thermostat To Connector • Thermostat To Engine • Thermostat To Heater • Thermostat To Intake Manifold • Thermostat To Intake Manifold (Left) • Thermostat To Intake Manifold (Right) • Thermostat To Oil Cooler • Thermostat To Pipe • Thermostat To Pipe-1 • Thermostat To Pipe-2 • Thermostat To Pipe-3 • Thermostat To Pipe-4 • Thermostat To Reservoir • Thermostat To Throttle Body • Thermostat To Turbocharger (Left) • Thermostat To Turbocharger (Right) • Thermostat To Valve • Thermostat To Water Pump • Throttle Body • Throttle Body Inlet • Throttle Body Outlet • Throttle Body To Coolant Rail • Throttle Body To Engine • Throttle Body To Exhaust Gas Recirculation Valve • Throttle Body To Housing • Throttle Body To Intake Manifold • Throttle Body To Oil Cooler • Throttle Body To Pipe • Throttle Body To Pipe-1 • Throttle Body To Pipe-2 • Throttle Body To Pipe-3 • Throttle Body To Pipe-4 • Throttle Body To Pipe-5 • Throttle Body To Tee • Throttle Body To Tee-1 • Throttle Body To Thermostat • Throttle Body To Valve • Throttle Body To Valve-2 • Throttle Body To Water Pump • Transmission Oil Cooler To Pipe-1 • Transmission Oil Cooler To Water Pump • Turbocharger To Engine • Turbocharger To Pipe • Turbocharger To Pipe (Right) • Turbocharger To Pipe-5 (Right) • Turbocharger To Thermostat (Left) • Turbocharger To Thermostat (Right) • Valve Bottom To Pipe-2 • Valve Bottom To Radiator • Valve Bottom To Tee-2 • Valve To Auxiliary Heater Pipe • Valve To Connector • Valve To Engine • Valve To Filter • Valve To Heater • Valve To Heater (Outlet) • Valve To Intake Manifold • Valve To Pipe • Valve To Pipe-1 • Valve To Pipe-2 • Valve To Pipe-3 • Valve To Pipe-5 • Valve To Radiator • Valve To Radiator Hose (Upper) • Valve To Tee • Valve To Tee-1 • Valve To Tee-2 • Valve To Thermostat • Valve To Throttle Body • Valve To Valve • Valve To Water Pump • Valve Top To Engine • Valve Top To Pipe-1 • Valve Top To Tee-1 • Valve Top To Water Pump • Valve-1 Bottom To Auxiliary Heater Pipe-1 • Valve-1 Bottom To Pipe-1 • Valve-1 To Auxiliary Heater Pipe-1 • Valve-1 To Engine • Valve-1 To Heater • Valve-1 To Intake Manifold • Valve-1 To Pipe-1 • Valve-1 To Pipe-2 • Valve-1 To Tee • Valve-1 To Throttle Body • Valve-1 To Valve-2 • Valve-1 Top To Valve-2 • Valve-2 To Auxiliary Heater Pipe-3 • Valve-2 To Engine • Valve-2 To Pipe • Valve-2 To Pipe-1 • Valve-2 To Pipe-2 • Valve-2 To Pipe-3 • Valve-2 To Pipe-6 • Valve-2 To Tee-1 • Valve-2 To Tee-2 • Valve-2 To Valve-3 • Valve-3 To Engine • Water Housing To Engine • Water Housing To Pipe-1 • Water Pump Pipe To Intake Manifold PCV Heater • Water Pump Tee To Pipe-1 • Water Pump To Connector-2 • Water Pump To Heater • Water Pump To Pipe • Water Pump To Pipe-2 • Water Pump To Pipe-3 • Water Pump To Pipe-4 • Water Pump To Reservoir • Water Pump To Tee • Water Pump To Throttle Body • Water Pump To Valve
