Agricultural & Heavy Equipment AC Expansion Valves
The expansion valve is the precision metering device at the heart of your AC system's cooling performance. It controls exactly how much refrigerant flows into the evaporator, maintaining the precise pressure differential that allows the system to absorb heat from your cab and deliver cold air. When it's working correctly, you don't notice it. When it fails, your AC system suffers — and so does your compressor.
Quality Farm Supply stocks expansion valves for a wide range of tractors, combines, skid steers, and heavy equipment — direct-fit replacements built to OEM specifications.
How a Failing Expansion Valve Affects Your System
- Restricted flow — a clogged or stuck-closed valve starves the evaporator of refrigerant, resulting in poor cooling and compressor overload
- Uncontrolled flow — a stuck-open valve floods the evaporator, causing liquid refrigerant to reach the compressor and causing serious damage
- Contamination damage — debris and moisture from a failed compressor or saturated receiver drier can clog or corrode the valve's precision internals
When to Replace Your Expansion Valve
- Compressor failure — metal debris from an internally failed compressor travels downstream and can damage the expansion valve
- Poor cooling with no obvious cause — a malfunctioning expansion valve is a common culprit when the system is charged but not cooling properly
- Complete AC overhaul — replacing the expansion valve alongside the compressor, receiver drier, and O-rings ensures the new system starts clean
- R134a conversion — some R12-era expansion valves are not compatible with R134a and should be replaced during conversion
For a complete system refresh, pair your new expansion valve with a compressor, condenser, receiver drier, and full O-ring set — or shop our complete AC overhaul kits for everything in one order.
AP Air
Expansion Valve for Fendt F737.812.145.180
SKU:QFS-903-840
Expansion Valve for Fendt F737.812.145.180
Expansion Valve for Fendt replaces OEM numbers F737.712.145.180, F737.812.145.180. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Fendt Tractor: 512 Vario, 513 Vario, 514 Vario, 516 Vario, 720 Vario, 720 Vario TMS, 722 Vario, 722 Vario TMS, 724 Vario, 724 Vario TMS - Replaces OEM Number F737.812.145.180
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Expansion Valve for Case IH & Ford/New Holland 84402855
SKU:QFS-903-763
Expansion Valve for Case IH & Ford/New Holland 84402855
Expansion Valve for Case IH, Ford/New Holland replaces OEM number 84402855. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Case IH Tractor: FARMALL 70, FARMALL 80, FARMALL 90, FARMALL 95 - Replaces OEM Number 84402855
Fits Ford/New Holland Tractor: TD5050 - Replaces OEM Number 84402855
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Expansion Valve for Bobcat 7306912
SKU:QFS-903-708
Expansion Valve for Bobcat 7306912
Expansion Valve for Bobcat replaces OEM number 7306912. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Bobcat Excavator: E55W, E60, E62, E63, E80, E85 - Replaces OEM Number 7306912
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Expansion Valve for Ford/New Holland & Case IH 71485277
SKU:QFS-903-7275
Expansion Valve for Ford/New Holland & Case IH 71485277
Expansion Valve for Case IH, Fiat Kobelco, Ford/New Holland replaces OEM numbers 71485277, 1493741. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Case IH Crawler: 650K, 750K, 850K - Replaces OEM Number 71485277
Fits Fiat Kobelco Wheel Loader: W190 - Replaces OEM Number 71485277
Fits Ford/New Holland Crawler Dozer: DC95 - Replaces OEM Number 71485277
Fits Ford/New Holland Wheel Loader: LW110 Wheel, LW130 Wheel, LW170 Wheel, LW170.B Wheel, LW190.B Wheel - Replaces OEM Number 71485277
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Expansion Valve Bracket for Bobcat 7017996
SKU:QFS-451-11985
Expansion Valve Bracket for Bobcat 7017996
Expansion Valve Bracket for Bobcat replaces OEM number 7017996. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Bobcat Excavator: E50, E55 - Replaces OEM Number 7017996
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Expansion Valve for Bobcat 7008034
SKU:QFS-903-850
Expansion Valve for Bobcat 7008034
Expansion Valve for Bobcat replaces OEM number 7008034. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Bobcat Excavator: E26, E32, E35, E42, E45, E50, E55 - Replaces OEM Number 7008034
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Expansion Valve for Caterpillar 5I-3573
SKU:QFS-902-278
Expansion Valve for Caterpillar 5I-3573
Expansion Valve for Caterpillar replaces OEM number 5I-3573. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Caterpillar Excavator: 320, 320L, 320N, 320S, 325, 325L, 325LN, 330-A, 330-A L, 330L and more - Replaces OEM Number 5I-3573
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Expansion Valve for Bobcat 5436662022
SKU:QFS-903-711
Expansion Valve for Bobcat 5436662022
Expansion Valve for Bobcat replaces OEM number 5436662022. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Bobcat Excavator: 442, 444, ZX125, ZX75 - Replaces OEM Number 5436662022
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Expansion Valve for Caterpillar 3V-0258
SKU:QFS-903-740
Expansion Valve for Caterpillar 3V-0258
Expansion Valve for Caterpillar replaces OEM number 3V-0258. 1/4" Mounting Holes Hi-Side 1/4" Male Switch Port. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Caterpillar Backhoe: 426B, 428B - Replaces OEM Number 3V-0258
Fits Caterpillar Tool Carrier: IT18, IT18B, IT18F, IT28, IT28B, IT28F - Replaces OEM Number 3V-0258
Fits Caterpillar Wheel Dozer: 815B, 816B, 825C, 826C - Replaces OEM Number 3V-0258
Fits Caterpillar Wheel Loader: 916 Wheel, 926E Wheel, 936 Wheel, 936E Wheel, 936F Wheel, 950B Wheel, 950E Wheel, 950F Wheel, 966D Wheel, 966E Wheel and more - Replaces OEM Number 3V-0258
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Expansion Valve for Caterpillar 363-9454
SKU:QFS-903-852
Expansion Valve for Caterpillar 363-9454
Expansion Valve for Caterpillar replaces OEM number 363-9454. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Caterpillar Excavator: 312E, 312E L, 312F, 313F L, 316E L, 318E L, 320E, 320E L, 320E LN, 320E LRR and more - Replaces OEM Number 363-9454
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Expansion Valve for Caterpillar 357-4016
SKU:QFS-903-854
Expansion Valve for Caterpillar 357-4016
Expansion Valve for Caterpillar replaces OEM number 357-4016. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Caterpillar Excavator: 314E CR, 314E LCR, 314E SR, 315F L - Replaces OEM Number 357-4016
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Expansion Valve for Caterpillar 322-5981
SKU:QFS-903-856
Expansion Valve for Caterpillar 322-5981
Expansion Valve for Caterpillar replaces OEM number 322-5981. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Caterpillar Telehandler: TH336C, TH337C, TH406C, TH407C, TH414C, TH415C, TH417C - Replaces OEM Number 322-5981
Please verify the OEM reference number and equipment fitment before ordering.