Four Seasons 38654 A/C Expansion Valve - Rear

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Four SeasonsPart #: 38654

Four Seasons 38654 A/C Expansion Valve - Rear

Name: Four Seasons 38654 A/C Expansion Valve - Rear
Brand: Four Seasons
SKU: BBRN-38654
Price: 28.88 USD
Availability: InStock

Expansion Valve, Rear

197 vehicles fit this part

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Expansion Valve, Rear

Fitment: Chevrolet and GMC, Express 1500, Express 2500, Express 3500, G30, P30, G3500, P3500, Savana 1500, Savana 2500, Savana 3500, G10, G20, G1500, and G2500

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Reliable A/C Expansion Valve for Chevrolet and GMC Vans

The Four Seasons Expansion Valve 38654 is designed to regulate refrigerant flow in your vehicle's air conditioning system. Engineered for use with R134a refrigerant, this brass TXV valve ensures precise temperature control and efficient cooling performance for Chevrolet Express and GMC Savana models.

Constructed from durable brass for long-lasting operation
Compatible with R134a refrigerant systems
Thermostatic expansion valve (TXV) type for accurate refrigerant metering
Fits Chevrolet Express 1500, 2500, 3500, G10, G20, G30, P30, P3500
Also fits GMC Savana 1500, 2500, 3500 models

About the Four Seasons Expansion Valve Product Line

The Expansion Valve line from Four Seasons focuses on precise control of refrigerant flow within automotive A/C systems. This product line includes thermostatic expansion valves (TXV) like part number 38654, which are designed to optimize cooling efficiency and maintain consistent cabin temperatures. The valves are engineered to meet OEM specifications for various vehicle makes and models, including Chevrolet and GMC vans.

Product Details and Specifications

The Four Seasons 38654 A/C Expansion Valve is a thermostatic expansion valve (TXV) made from brass, providing corrosion resistance and durability. It is specifically designed for use with R134a refrigerant, the standard refrigerant type for many modern vehicles. This valve precisely meters refrigerant flow to the evaporator, ensuring optimal cooling performance and preventing issues such as evaporator freeze-up or insufficient cooling.

Common Applications and Issues Addressed

Restores proper refrigerant flow in Chevrolet Express and GMC Savana A/C systems
Prevents inconsistent cabin temperatures and poor cooling performance
Eliminates evaporator freeze caused by faulty expansion valves
Addresses A/C system cycling and pressure irregularities
Helps maintain system efficiency and prolong compressor life

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 38654, ensure the A/C system is properly evacuated and recharged with R134a refrigerant. Follow manufacturer torque specifications and handle the brass valve carefully to avoid damage. It is recommended to replace the receiver/drier or accumulator during installation to maintain system integrity. Proper installation will help ensure reliable operation and optimal cooling performance.

Quality Assurance and Warranty

Four Seasons manufactures the 38654 Expansion Valve to meet or exceed OEM standards for fit and function. The brass construction and TXV design contribute to long service life and consistent performance. While specific warranty details may vary, Four Seasons typically offers coverage against defects in materials and workmanship to support product reliability.

Brand	Four Seasons
Part Number	38654
Position	Expansion Valve, Rear
Color	Brass
Refrigerant Type	R134A
Type	TXV

This part fits 197 vehicles. Search below:

Year	Make	Model	Body Type	Liters	Cylinders	Position	Notes
1996	Chevrolet	Express 1500				Rear	Expansion Valve
1996	Chevrolet	Express 2500				Rear	Expansion Valve
1996	Chevrolet	Express 3500				Rear	Expansion Valve
1996	Chevrolet	G30				Rear	Expansion Valve
1996	Chevrolet	P30				Rear	w/ 18mm Threaded Inlet; Expansion Valve
1996	GMC	G3500				Rear	Expansion Valve
1996	GMC	P3500				Rear	w/ 18mm Threaded Inlet; Expansion Valve
1996	GMC	Savana 1500				Rear	Expansion Valve
1996	GMC	Savana 2500				Rear	Expansion Valve
1996	GMC	Savana 3500				Rear	Expansion Valve
1995	Chevrolet	G10	Standard Passenger Van	5.0L	V8	Rear	Expansion Valve
1995	Chevrolet	G10	Standard Cargo Van	5.0L	V8	Rear	Expansion Valve
1995	Chevrolet	G10	Extended Cargo Van	5.0L	V8	Rear	Expansion Valve
1995	Chevrolet	G10	Standard Passenger Van	4.3L	V6	Rear	Expansion Valve
1995	Chevrolet	G10	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1995	Chevrolet	G10	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1995	Chevrolet	G20	Standard Cargo Van	5.7L	V8	Rear	Expansion Valve
1995	Chevrolet	G20	Extended Cargo Van	5.7L	V8	Rear	Expansion Valve
1995	Chevrolet	G20	Standard Cargo Van	5.0L	V8	Rear	Expansion Valve
1995	Chevrolet	G20	Extended Cargo Van	5.0L	V8	Rear	Expansion Valve
1995	Chevrolet	G20	Standard Cargo Van	6.5L	V8	Rear	Expansion Valve
1995	Chevrolet	G20	Extended Cargo Van	6.5L	V8	Rear	Expansion Valve
1995	Chevrolet	G20	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1995	Chevrolet	G20	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1995	Chevrolet	G30	Standard Passenger Van	5.7L	V8	Rear	Expansion Valve
1995	Chevrolet	G30	Standard Cargo Van	5.7L	V8	Rear	Expansion Valve
1995	Chevrolet	G30	Extended Cargo Van	5.7L	V8	Rear	Expansion Valve
1995	Chevrolet	G30	Cutaway Van	5.7L	V8	Rear	Expansion Valve
1995	Chevrolet	G30	Standard Passenger Van	6.5L	V8	Rear	Expansion Valve
1995	Chevrolet	G30	Standard Cargo Van	6.5L	V8	Rear	Expansion Valve
1995	Chevrolet	G30	Extended Cargo Van	6.5L	V8	Rear	Expansion Valve
1995	Chevrolet	G30	Cutaway Van	6.5L	V8	Rear	Expansion Valve
1995	Chevrolet	G30	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1995	Chevrolet	G30	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1995	Chevrolet	G30	Cutaway Van	4.3L	V6	Rear	Expansion Valve
1995	Chevrolet	G30	Standard Passenger Van	7.4L	V8	Rear	Expansion Valve
1995	Chevrolet	G30	Standard Cargo Van	7.4L	V8	Rear	Expansion Valve
1995	Chevrolet	G30	Extended Cargo Van	7.4L	V8	Rear	Expansion Valve
1995	Chevrolet	G30	Cutaway Van	7.4L	V8	Rear	Expansion Valve
1995	Chevrolet	P30				Rear	Expansion Valve
1995	GMC	G1500	Standard Passenger Van	5.0L	V8	Rear	Expansion Valve
1995	GMC	G1500	Standard Cargo Van	5.0L	V8	Rear	Expansion Valve
1995	GMC	G1500	Extended Cargo Van	5.0L	V8	Rear	Expansion Valve
1995	GMC	G1500	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1995	GMC	G1500	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1995	GMC	G2500	Standard Cargo Van	5.7L	V8	Rear	Expansion Valve
1995	GMC	G2500	Extended Cargo Van	5.7L	V8	Rear	Expansion Valve
1995	GMC	G2500	Standard Cargo Van	5.0L	V8	Rear	Expansion Valve
1995	GMC	G2500	Extended Cargo Van	5.0L	V8	Rear	Expansion Valve
1995	GMC	G2500	Standard Cargo Van	6.5L	V8	Rear	Expansion Valve
1995	GMC	G2500	Extended Cargo Van	6.5L	V8	Rear	Expansion Valve
1995	GMC	G2500	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1995	GMC	G2500	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1995	GMC	G3500	Standard Passenger Van	5.7L	V8	Rear	Expansion Valve
1995	GMC	G3500	Standard Cargo Van	5.7L	V8	Rear	Expansion Valve
1995	GMC	G3500	Extended Cargo Van	5.7L	V8	Rear	Expansion Valve
1995	GMC	G3500	Cutaway Van	5.7L	V8	Rear	Expansion Valve
1995	GMC	G3500	Standard Passenger Van	6.5L	V8	Rear	Expansion Valve
1995	GMC	G3500	Standard Cargo Van	6.5L	V8	Rear	Expansion Valve
1995	GMC	G3500	Extended Cargo Van	6.5L	V8	Rear	Expansion Valve
1995	GMC	G3500	Cutaway Van	6.5L	V8	Rear	Expansion Valve
1995	GMC	G3500	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1995	GMC	G3500	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1995	GMC	G3500	Cutaway Van	4.3L	V6	Rear	Expansion Valve
1995	GMC	G3500	Standard Passenger Van	7.4L	V8	Rear	Expansion Valve
1995	GMC	G3500	Standard Cargo Van	7.4L	V8	Rear	Expansion Valve
1995	GMC	G3500	Extended Cargo Van	7.4L	V8	Rear	Expansion Valve
1995	GMC	G3500	Cutaway Van	7.4L	V8	Rear	Expansion Valve
1995	GMC	P3500				Rear	Expansion Valve
1994	Chevrolet	G10	Standard Passenger Van	5.0L	V8	Rear	Expansion Valve
1994	Chevrolet	G10	Standard Cargo Van	5.0L	V8	Rear	Expansion Valve
1994	Chevrolet	G10	Extended Cargo Van	5.0L	V8	Rear	Expansion Valve
1994	Chevrolet	G10	Standard Passenger Van	4.3L	V6	Rear	Expansion Valve
1994	Chevrolet	G10	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1994	Chevrolet	G10	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1994	Chevrolet	G20	Standard Cargo Van	5.7L	V8	Rear	Expansion Valve
1994	Chevrolet	G20	Extended Cargo Van	5.7L	V8	Rear	Expansion Valve
1994	Chevrolet	G20	Standard Cargo Van	5.0L	V8	Rear	Expansion Valve
1994	Chevrolet	G20	Extended Cargo Van	5.0L	V8	Rear	Expansion Valve
1994	Chevrolet	G20	Standard Cargo Van	6.5L	V8	Rear	Expansion Valve
1994	Chevrolet	G20	Extended Cargo Van	6.5L	V8	Rear	Expansion Valve
1994	Chevrolet	G20	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1994	Chevrolet	G20	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1994	Chevrolet	G30	Standard Passenger Van	5.7L	V8	Rear	Expansion Valve
1994	Chevrolet	G30	Standard Cargo Van	5.7L	V8	Rear	Expansion Valve
1994	Chevrolet	G30	Extended Cargo Van	5.7L	V8	Rear	Expansion Valve
1994	Chevrolet	G30	Cutaway Van	5.7L	V8	Rear	Expansion Valve
1994	Chevrolet	G30	Standard Passenger Van	6.5L	V8	Rear	Expansion Valve
1994	Chevrolet	G30	Standard Cargo Van	6.5L	V8	Rear	Expansion Valve
1994	Chevrolet	G30	Extended Cargo Van	6.5L	V8	Rear	Expansion Valve
1994	Chevrolet	G30	Cutaway Van	6.5L	V8	Rear	Expansion Valve
1994	Chevrolet	G30	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1994	Chevrolet	G30	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1994	Chevrolet	G30	Cutaway Van	4.3L	V6	Rear	Expansion Valve
1994	Chevrolet	G30	Standard Passenger Van	7.4L	V8	Rear	Expansion Valve
1994	Chevrolet	G30	Standard Cargo Van	7.4L	V8	Rear	Expansion Valve
1994	Chevrolet	G30	Extended Cargo Van	7.4L	V8	Rear	Expansion Valve
1994	Chevrolet	G30	Cutaway Van	7.4L	V8	Rear	Expansion Valve
1994	Chevrolet	P30				Rear	Expansion Valve
1994	GMC	G1500	Standard Passenger Van	5.0L	V8	Rear	Expansion Valve
1994	GMC	G1500	Standard Cargo Van	5.0L	V8	Rear	Expansion Valve
1994	GMC	G1500	Extended Cargo Van	5.0L	V8	Rear	Expansion Valve
1994	GMC	G1500	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1994	GMC	G1500	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1994	GMC	G2500	Standard Cargo Van	5.7L	V8	Rear	Expansion Valve
1994	GMC	G2500	Extended Cargo Van	5.7L	V8	Rear	Expansion Valve
1994	GMC	G2500	Standard Cargo Van	5.0L	V8	Rear	Expansion Valve
1994	GMC	G2500	Extended Cargo Van	5.0L	V8	Rear	Expansion Valve
1994	GMC	G2500	Standard Cargo Van	6.5L	V8	Rear	Expansion Valve
1994	GMC	G2500	Extended Cargo Van	6.5L	V8	Rear	Expansion Valve
1994	GMC	G2500	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1994	GMC	G2500	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1994	GMC	G3500	Standard Passenger Van	5.7L	V8	Rear	Expansion Valve
1994	GMC	G3500	Standard Cargo Van	5.7L	V8	Rear	Expansion Valve
1994	GMC	G3500	Extended Cargo Van	5.7L	V8	Rear	Expansion Valve
1994	GMC	G3500	Cutaway Van	5.7L	V8	Rear	Expansion Valve
1994	GMC	G3500	Standard Passenger Van	6.5L	V8	Rear	Expansion Valve
1994	GMC	G3500	Standard Cargo Van	6.5L	V8	Rear	Expansion Valve
1994	GMC	G3500	Extended Cargo Van	6.5L	V8	Rear	Expansion Valve
1994	GMC	G3500	Cutaway Van	6.5L	V8	Rear	Expansion Valve
1994	GMC	G3500	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1994	GMC	G3500	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1994	GMC	G3500	Cutaway Van	4.3L	V6	Rear	Expansion Valve
1994	GMC	G3500	Standard Passenger Van	7.4L	V8	Rear	Expansion Valve
1994	GMC	G3500	Standard Cargo Van	7.4L	V8	Rear	Expansion Valve
1994	GMC	G3500	Extended Cargo Van	7.4L	V8	Rear	Expansion Valve
1994	GMC	G3500	Cutaway Van	7.4L	V8	Rear	Expansion Valve
1994	GMC	P3500				Rear	Expansion Valve
1993	Chevrolet	G10	Standard Passenger Van	5.7L	V8	Rear	Expansion Valve
1993	Chevrolet	G10	Standard Passenger Van	5.0L	V8	Rear	Expansion Valve
1993	Chevrolet	G10	Standard Cargo Van	5.0L	V8	Rear	Expansion Valve
1993	Chevrolet	G10	Extended Cargo Van	5.0L	V8	Rear	Expansion Valve
1993	Chevrolet	G10	Standard Passenger Van	4.3L	V6	Rear	Expansion Valve
1993	Chevrolet	G10	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1993	Chevrolet	G10	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1993	Chevrolet	G20	Standard Cargo Van	5.7L	V8	Rear	Expansion Valve
1993	Chevrolet	G20	Extended Cargo Van	5.7L	V8	Rear	Expansion Valve
1993	Chevrolet	G20	Standard Cargo Van	5.0L	V8	Rear	Expansion Valve
1993	Chevrolet	G20	Extended Cargo Van	5.0L	V8	Rear	Expansion Valve
1993	Chevrolet	G20	Standard Cargo Van	6.2L	V8	Rear	Expansion Valve
1993	Chevrolet	G20	Extended Cargo Van	6.2L	V8	Rear	Expansion Valve
1993	Chevrolet	G20	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1993	Chevrolet	G20	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1993	Chevrolet	G30	Standard Passenger Van	5.7L	V8	Rear	Expansion Valve
1993	Chevrolet	G30	Standard Cargo Van	5.7L	V8	Rear	Expansion Valve
1993	Chevrolet	G30	Extended Cargo Van	5.7L	V8	Rear	Expansion Valve
1993	Chevrolet	G30	Cutaway Van	5.7L	V8	Rear	Expansion Valve
1993	Chevrolet	G30	Standard Passenger Van	6.2L	V8	Rear	Expansion Valve
1993	Chevrolet	G30	Standard Cargo Van	6.2L	V8	Rear	Expansion Valve
1993	Chevrolet	G30	Extended Cargo Van	6.2L	V8	Rear	Expansion Valve
1993	Chevrolet	G30	Cutaway Van	6.2L	V8	Rear	Expansion Valve
1993	Chevrolet	G30	Standard Passenger Van	4.3L	V6	Rear	Expansion Valve
1993	Chevrolet	G30	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1993	Chevrolet	G30	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1993	Chevrolet	G30	Cutaway Van	4.3L	V6	Rear	Expansion Valve
1993	Chevrolet	G30	Standard Passenger Van	7.4L	V8	Rear	Expansion Valve
1993	Chevrolet	G30	Standard Cargo Van	7.4L	V8	Rear	Expansion Valve
1993	Chevrolet	G30	Extended Cargo Van	7.4L	V8	Rear	Expansion Valve
1993	Chevrolet	G30	Cutaway Van	7.4L	V8	Rear	Expansion Valve
1993	Chevrolet	P30				Rear	Expansion Valve
1993	GMC	G1500	Standard Passenger Van	5.7L	V8	Rear	Expansion Valve
1993	GMC	G1500	Standard Passenger Van	5.0L	V8	Rear	Expansion Valve
1993	GMC	G1500	Standard Cargo Van	5.0L	V8	Rear	Expansion Valve
1993	GMC	G1500	Extended Cargo Van	5.0L	V8	Rear	Expansion Valve
1993	GMC	G1500	Standard Passenger Van	4.3L	V6	Rear	Expansion Valve
1993	GMC	G1500	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1993	GMC	G1500	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1993	GMC	G2500	Standard Cargo Van	5.7L	V8	Rear	Expansion Valve
1993	GMC	G2500	Extended Cargo Van	5.7L	V8	Rear	Expansion Valve
1993	GMC	G2500	Standard Cargo Van	5.0L	V8	Rear	Expansion Valve
1993	GMC	G2500	Extended Cargo Van	5.0L	V8	Rear	Expansion Valve
1993	GMC	G2500	Standard Cargo Van	6.2L	V8	Rear	Expansion Valve
1993	GMC	G2500	Extended Cargo Van	6.2L	V8	Rear	Expansion Valve
1993	GMC	G2500	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1993	GMC	G2500	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1993	GMC	G3500	Standard Passenger Van	5.7L	V8	Rear	Expansion Valve
1993	GMC	G3500	Standard Cargo Van	5.7L	V8	Rear	Expansion Valve
1993	GMC	G3500	Extended Cargo Van	5.7L	V8	Rear	Expansion Valve
1993	GMC	G3500	Cutaway Van	5.7L	V8	Rear	Expansion Valve
1993	GMC	G3500	Standard Passenger Van	6.2L	V8	Rear	Expansion Valve
1993	GMC	G3500	Standard Cargo Van	6.2L	V8	Rear	Expansion Valve
1993	GMC	G3500	Extended Cargo Van	6.2L	V8	Rear	Expansion Valve
1993	GMC	G3500	Cutaway Van	6.2L	V8	Rear	Expansion Valve
1993	GMC	G3500	Standard Cargo Van	4.3L	V6	Rear	Expansion Valve
1993	GMC	G3500	Extended Cargo Van	4.3L	V6	Rear	Expansion Valve
1993	GMC	G3500	Cutaway Van	4.3L	V6	Rear	Expansion Valve
1993	GMC	G3500	Standard Passenger Van	7.4L	V8	Rear	Expansion Valve
1993	GMC	G3500	Standard Cargo Van	7.4L	V8	Rear	Expansion Valve
1993	GMC	G3500	Extended Cargo Van	7.4L	V8	Rear	Expansion Valve
1993	GMC	G3500	Cutaway Van	7.4L	V8	Rear	Expansion Valve
1993	GMC	P3500				Rear	Expansion Valve
1992	Chevrolet	G10				N/A	Expansion Valve
1992	Chevrolet	G20				N/A	Expansion Valve
1992	Chevrolet	G30				N/A	Expansion Valve
1992	GMC	G1500				N/A	Expansion Valve
1992	GMC	G2500				N/A	Expansion Valve
1992	GMC	G3500				N/A	Expansion Valve

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

This part directly replaces or is cross-referenced with the following part numbers:

014745121113865411139191120205A15548115554216381640616917106C117418181000518227618990121927220751120836421719123001031109873110987AM341125637586543759191386543919146384665524595995247299170441170441470446375865475919193865495034A17191A77511AC3873AC3873CCWK758654CWK759191EX7413PEX7413PCEX9729EX9729CEXV2059FE364MT5004T3704414T39191

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.