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2003 GMC W4500 Forward A/C & Heater Relay

Review Fitment Notes to Ensure Proper Fit
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A/C & Heater Relay
A/C Clutch Relay
A/C Compressor
A/C Compressor Cut-Out Switch Harness Connector
A/C Compressor Cutoff Switch
A/C Condenser
A/C Condenser Fan Assembly
A/C Expansion Valve
A/C High Side Pressure Switch
A/C Receiver Drier
A/C Thermo Switch
Blower Motor
Blower Motor Resistor
Drier Desiccant Element
Heater Core
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GPD A/C & Heater Relay
GPD logo GPD A/C & Heater Relay Click to Enlarge
(Read reviews)
Our List Price: $9.18
(30) In Stock
Part Number: 28950-05103579
Notes: HVAC Relay -- Relay; 5 Terminal Replacement for OEM # 14089936
Features:
  • Designed to meet/exceed OE fit, form and function
  • Amperage draw tested
  • Voltage Tested
  • The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier vehicles, they are used to directly turn the compressor off to avoid compressor failure.
  • Durability tested on every new design
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 GMC W4500 Forward 4.8L 4 Cyl 
2003 GMC W4500 Forward 5.7L V8 
2003 GMC W4500 Forward 6.0L V8 

GPD A/C & Heater Relay
GPD logo GPD A/C & Heater Relay Click to Enlarge
(Read reviews)
Our List Price: $25.18
(12) In Stock
Part Number: 28950-05103579
Notes: HVAC Relay -- Relay; 5 Terminal Replacement for OEM # 15670651
Features:
  • Designed to meet/exceed OE fit, form and function
  • Amperage draw tested
  • Voltage Tested
  • The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier vehicles, they are used to directly turn the compressor off to avoid compressor failure.
  • Durability tested on every new design
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 GMC W4500 Forward 4.8L 4 Cyl 
2003 GMC W4500 Forward 5.7L V8 
2003 GMC W4500 Forward 6.0L V8