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Universal Air RE4420 HVAC System Relay

Brand	Universal Air RE4420
Product line	Relay
Fits	Chevrolet and GMC · 61 vehicles

HVAC relay. Controls electrical switching in the climate system for reliable circuit operation.

Cataloged fitment. Listed for select Chevrolet and GMC truck and SUV applications from 1992-1994.

$85.06Free shipping

In stock · usually ships same day before 1pm CST

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HVAC Relay Overview

The Universal Air Relay RE4420 is an HVAC system relay for select Chevrolet and GMC trucks and SUVs. It is listed for 1992-1994 applications and serves as a direct electrical control component in the climate system.

Key Features

HVAC system relay for climate control circuit operation
Fits select Chevrolet and GMC applications from 1992-1994
Brand line: Relay
Part number RE4420 for catalog and service matching

Fitment Details

Compatible with 1992-1994 Chevrolet Blazer, relay. Compatible with 1992-1994 Chevrolet C1500, relay. Compatible with 1992-1994 Chevrolet C1500 Suburban, relay. Compatible with 1992-1994 Chevrolet C2500, relay. Compatible with 1992-1994 Chevrolet C2500 Suburban, relay. Compatible with 1992-1994 Chevrolet C35, relay. Compatible with 1992-1994 Chevrolet C3500, relay. Compatible with 1992-1994 Chevrolet K1500, relay. Compatible with 1992-1994 Chevrolet K1500 Suburban, relay. Compatible with 1992-1994 Chevrolet K2500, relay. Compatible with 1992-1994 Chevrolet K2500 Suburban, relay. Compatible with 1992-1994 Chevrolet K3500, relay. Compatible with 1992-1994 GMC C1500 Suburban, relay. Compatible with 1992-1994 GMC K1500 Suburban, relay. Compatible with 1992-1994 GMC K2500 Suburban, relay.

Common Replacement Uses

Restores HVAC relay function when the climate circuit stops responding
Addresses intermittent blower or control circuit operation
Replaces a failed relay in the heating and air conditioning system
Helps correct electrical switching issues in the HVAC circuit

Installation Notes

Verify the relay part number and vehicle application before installation. Confirm the HVAC circuit diagnosis and inspect the connector and related wiring for damage or corrosion during replacement.

Quality Assurance

Universal Air Relay RE4420 is cataloged as a dedicated HVAC relay component for the listed applications. Part number RE4420 should be matched to the vehicle and system requirements before service.

This part fits 61 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Submodel	Liters	Cylinders	Fuel Type	Notes
1994	Chevrolet	Blazer	—	—	—	—	Relay
1994	Chevrolet	C1500	—	5.7L	V8	GAS	Relay
1994	Chevrolet	C1500 Suburban	—	5.7L	V8	GAS	Relay
1994	Chevrolet	C2500	—	5.7L	V8	GAS	Relay
1994	Chevrolet	C2500 Suburban	—	—	—	—	Relay
1994	Chevrolet	C35	—	—	—	—	Relay
1994	Chevrolet	C3500	—	5.7L	V8	GAS	Relay
1994	Chevrolet	K1500	—	5.7L	V8	GAS	Relay
1994	Chevrolet	K1500 Suburban	—	5.7L	V8	GAS	Relay
1994	Chevrolet	K2500	—	5.7L	V8	GAS	Relay
1994	Chevrolet	K2500 Suburban	—	—	—	—	Relay
1994	Chevrolet	K3500	—	5.7L	V8	GAS	Relay
1994	Chevrolet	Suburban	—	—	—	—	Relay
1994	GMC	C1500 Suburban	—	—	—	—	Relay
1994	GMC	K1500 Suburban	—	—	—	—	Relay
1994	GMC	K2500 Suburban	—	—	—	—	Relay
1993	Chevrolet	Blazer	—	—	—	—	Relay
1993	Chevrolet	C1500	Cheyenne	5.7L	V8	GAS	Relay
1993	Chevrolet	C1500	Silverado	5.7L	V8	GAS	Relay
1993	Chevrolet	C1500	WT	5.7L	V8	GAS	Relay
1993	Chevrolet	C1500 Suburban	—	—	—	—	Relay
1993	Chevrolet	C2500	Custom	5.7L	V8	GAS	Relay
1993	Chevrolet	C2500	Cheyenne	5.7L	V8	GAS	Relay
1993	Chevrolet	C2500	Silverado	5.7L	V8	GAS	Relay
1993	Chevrolet	C2500	400 SS	5.7L	V8	GAS	Relay
1993	Chevrolet	C2500 Suburban	—	—	—	—	Relay
1993	Chevrolet	C35	—	—	—	—	Relay
1993	Chevrolet	C3500	—	5.7L	V8	GAS	Relay
1993	Chevrolet	K1500	—	5.7L	V8	GAS	Relay
1993	Chevrolet	K1500 Suburban	—	—	—	—	Relay
1993	Chevrolet	K2500	—	5.7L	V8	GAS	Relay
1993	Chevrolet	K2500	—	5.7L	V8	CNG	Relay
1993	Chevrolet	K2500 Suburban	—	—	—	—	Relay
1993	Chevrolet	K3500	—	5.7L	V8	GAS	Relay
1993	Chevrolet	Suburban	—	—	—	—	Relay
1993	GMC	C1500 Suburban	—	—	—	—	Relay
1993	GMC	K1500 Suburban	—	—	—	—	Relay
1993	GMC	K2500 Suburban	—	—	—	—	Relay
1992	Chevrolet	Blazer	—	—	—	—	Relay
1992	Chevrolet	C1500	Cheyenne	5.7L	V8	GAS	Relay
1992	Chevrolet	C1500	Scottsdale	5.7L	V8	GAS	Relay
1992	Chevrolet	C1500	Silverado	5.7L	V8	GAS	Relay
1992	Chevrolet	C1500	WT	5.7L	V8	GAS	Relay
1992	Chevrolet	C1500 Suburban	—	—	—	—	Relay
1992	Chevrolet	C2500	Cheyenne	5.7L	V8	GAS	Relay
1992	Chevrolet	C2500	Scottsdale	5.7L	V8	GAS	Relay
1992	Chevrolet	C2500	Silverado	5.7L	V8	GAS	Relay
1992	Chevrolet	C2500 Suburban	—	—	—	—	Relay
1992	Chevrolet	C35	—	—	—	—	Relay
1992	Chevrolet	C3500	—	5.7L	V8	GAS	Relay
1992	Chevrolet	K1500	—	5.7L	V8	GAS	Relay
1992	Chevrolet	K1500 Suburban	—	—	—	—	Relay
1992	Chevrolet	K2500	—	5.7L	V8	GAS	Relay
1992	Chevrolet	K2500	—	5.7L	V8	CNG	Relay
1992	Chevrolet	K2500 Suburban	—	—	—	—	Relay
1992	Chevrolet	K3500	—	5.7L	V8	GAS	Relay
1992	Chevrolet	Suburban	—	—	—	—	Relay
1992	GMC	C1500 Suburban	—	—	—	—	Relay
1992	GMC	K1500 Suburban	—	—	—	—	Relay
1992	GMC	K2500 Suburban	—	—	—	—	Relay
1991	Chevrolet	Suburban	—	—	—	—	Relay
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