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10 Best radiator hose adapters of 2025
Explore top picks
Best Choice1
Dompowful90mm to Dual 75mm Parking Heater Duct Reducer Adapter 3 Way Y-splitter Diesel Heater Ducting Hose DIY Connector with Adjustable Valves for Install on RV, Camper, Trailer, Van 2KW 3KW 5KW Heaters
9.7Exceptional
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Value for Money2
JoyTubeJoyTube 1 Pcs 1-1/2 to 1-3/4 Inch Radiator Hose Barb Adapter, Coupler Splice Mend Coolant Intercooler Exchanger Heater Repair Hose Connector Water Fluid Air Aluminum
9.6Exceptional
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3
ANPTGHTANPTGHT 1-1/4" to 1-1/2" Inch Hose Barb Splice Coupler Repair Fitting, Aluminum Adapter Connector Radiator Coolant Intercooler Heat Exchanger Fluid Designed (1 pcs)
9.5Excellent
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4
AC PERFORMANCEAC PERFORMANCE ID 1.75" to 1.5" (44mm to 38mm) Straight Reducer, Length 3" (76mm), 3-Ply Reinforced, Universal Automotive Pure Silicone Hose, Black
9.4Excellent
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5
Allstar PerformanceAllstar Performance 1.75" to 1.5" Radiator Hose Reducer (ALL30240)
9.2Excellent
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6
LEONTOOLLEONTOOL Aluminum Water Temperature Joint Pipe Connector 38mm 1-1/2" Radiator Hose Sensor Gauge Adapter with 2 Hose Clamps Water Temp Meter Gauge Joint Pipe Temperature Sensor Adapter
9.1Excellent
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7
ICT BilletICT Billet 1-1/2" to 1-1/2" Inch Hose Barb Splice Coupler Repair Mend Fitting Adapter Connector Radiator Coolant Intercooler Heat Exchanger Fluid Designed & Manufactured in USA Bare Aluminum AN627-24A
9.0Excellent
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8
CARBBIACARBBIA 55116901AA Radiator Coolant Filler Neck Radiator Hose Connector with Engine Radiator Cap Compatible with Chrysler Sebring Compatible with Dodge Charger Compatible with Jeep Grand Cherokee
8.8Very Good
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9
HE COSMOSTARCosmostar 1-1/4" Radiator Hose Barb Coupler Adapter with 1/8" NPT Steam Port for LS Swap – Aluminum Coolant Crossover Splice for Steam Vent Radiator Hose Fitting (Black)-NN17N02
8.6Very Good
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10
ANPTGHTANPTGHT 1-1/2 Inch Hose Barb Splice Coupler Repair Fitting with 1/8" NPT Port, Aluminum Adapter Connector Radiator Coolant Intercooler Heat Exchanger Fluid Designed (1 pcs)
8.5Good
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