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10 Best radiator hose adapters of 2026
Save up to 13% off
1
MOTOKUMOTOKU Water Hose Upper Radiator to Water Pipe to Expansion Tank for Audi A4 2005-2008 A4 Quattro 2005-2009
9.8Exceptional
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2
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
9.7Exceptional
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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)
9.6Exceptional
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4
Allstar PerformanceAllstar Performance 1.75" to 1.5" Radiator Hose Reducer (ALL30240)
9.4Excellent
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5
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
9.3Excellent
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6
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
9.2Excellent
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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
9.1Excellent
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8
LarlanszSteam Radiator Hose Barb Coupler Adapter 1-1/4" with 1/8" NPT Steam Port for LS Swap Steam Vent Radiator Coolant Crossover Splice
13% Off9.0Excellent
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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
8.8Very Good
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10
ANPTGHTANPTGHT 1-1/2 Inch Hose Barb Splice Coupler Repair Fitting, Aluminum Adapter Connector Radiator Coolant Intercooler Heat Exchanger Fluid Designed (1 pcs)
8.6Very Good
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