Heater Hoses

Anything related to the factory RPO Crew Cab.

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microsvc
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Heater Hoses

Post by microsvc »

2001 4.3 4x4. Does anyone know the size of the hoses going to and from the heater core? Are they 3/4"?

Thanks!
JaVeRo
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Location: East Texas (Grapeland)

Post by JaVeRo »

The 5/8" hose comes from the top of the water pump to the heater core and the 3/4" hose comes from the heater core to the top of the motor.

James
2001 S10 Crew (wife's mail truck)
2002 S10 Crew, 2003 S10 Blazer
2006 K2500 5 speed