Four Seasons 38720 A/C Expansion Valve - Front
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Four Seasons
 Expansion Valve

Four Seasons 38720 A/C Expansion Valve - Front

Brand Four Seasons 38720
Position Front
Color Brass
Refrigerant Type R134A
Type TXV
Product line Expansion Valve
Fits Volkswagen, Honda, Audi, Ford, American Motors, VAM, Mercury, Cadillac, Buick, and Chevrolet · 46 vehicles

TXV design. Provides precise refrigerant flow control for efficient A/C performance.

Brass construction. Durable material suited for demanding HVAC service.

R134A compatible. Built for use with R134A refrigerant systems.

Cross-references AMS Automotive 4644, AP Exhaust 38720 and Bosch 17103 for the same application. See all 58.

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Four Seasons 38720 A/C Expansion Valve

The Four Seasons Expansion Valve, part number 38720, is a brass TXV for R134A air conditioning systems. It regulates refrigerant flow through the evaporator to help maintain stable outlet temperatures and consistent cabin cooling.

Key Features

  • Brass construction
  • TXV (thermostatic expansion valve) design
  • Configured for R134A refrigerant
  • Four Seasons Expansion Valve line for HVAC service applications
  • Part number 38720 for direct reference in catalog and service lookup

Application Details

This A/C expansion valve is used in HVAC systems that require precise refrigerant metering at the evaporator inlet. It is listed for classic and late-model service applications including 1980-1986 Volkswagen Vanagon, 1982-1984 Honda Accord and Prelude, 1958-1962 Chevrolet Impala, Bel Air, El Camino, Buick LeSabre, Cadillac DeVille and Eldorado, plus 1971 Mercury Colony Park and 1976 Ford LTD. This part cross-references Bosch 17103 for the same application.

What It Helps Address

  • Uneven cabin cooling caused by incorrect refrigerant metering
  • Low evaporator performance in an R134A A/C system
  • Temperature fluctuation at the dash vents
  • Restricted or worn expansion valve operation
  • Service replacement needs on listed Volkswagen Vanagon, Honda Accord, and Chevrolet Impala applications

Installation Notes

Verify refrigerant type, valve style, and vehicle-specific fitment before installation. Match the TXV configuration to the original system layout and inspect the surrounding A/C components for contamination or restriction before returning the system to service. Fits 1980-1985 Volkswagen Vanagon, N/A; Fits 1986 Volkswagen Vanagon, N/A; Fits 1982-1983 Honda Accord, N/A; Fits 1983-1984 Honda Prelude, N/A; Fits 1958-1959 Chevrolet Impala, N/A; Fits 1959 Chevrolet Impala, N/A; Fits 1958-1959 Chevrolet Bel Air, N/A; Fits 1959-1960 Chevrolet El Camino, N/A; Fits 1959-1961 Buick LeSabre, N/A; Fits 1960-1961 Buick LeSabre, N/A; Fits 1961-1962 Cadillac DeVille, Front; Fits 1961-1962 Cadillac Eldorado, Front; Fits 1971 Mercury Colony Park, N/A; Fits 1976 Ford LTD, N/A.

Quality Assurance

Four Seasons supplies HVAC service parts for automotive air conditioning repair, and this expansion valve is cataloged under part number 38720 for application matching and service identification.

Related reading

This part fits 46 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
1986VolkswagenVanagon————N/ABefore Serial No. 24G075; Expansion Valve
1985VolkswagenVanagon————N/AExpansion Valve
1984HondaPrelude————N/AExpansion Valve
1984VolkswagenVanagon————N/AExpansion Valve
1983HondaAccord————N/AKeihin; w/o Pace Product; Expansion Valve
1983HondaPrelude————N/AExpansion Valve
1983VolkswagenVanagon————N/AExpansion Valve
1982HondaAccord————N/AKeihin; w/o Pace Product; Expansion Valve
1982VolkswagenVanagon————N/AExpansion Valve
1981VolkswagenVanagon————N/AExpansion Valve
1980VolkswagenVanagon————N/AExpansion Valve
1976FordLTDCountry Squire———N/AFrom 6/3/76; Expansion Valve
1971MercuryColony Park————N/AExpansion Valve
1962CadillacDeVille————Frontw/ Valve; Expansion Valve
1962CadillacEldorado————Frontw/ Valve; Expansion Valve
1961BuickLeSabre—Sedan6.0LV8N/AExpansion Valve
1961BuickLeSabre—Coupe6.0LV8N/AExpansion Valve
1961BuickLeSabre—Convertible6.0LV8N/AExpansion Valve
1961BuickLeSabre—Hardtop6.0LV8N/AExpansion Valve
1961BuickLeSabre—Sedan6.6LV8N/Aw/ Valve; Expansion Valve
1961BuickLeSabre—Coupe6.6LV8N/Aw/ Valve; Expansion Valve
1961BuickLeSabre—Convertible6.6LV8N/Aw/ Valve; Expansion Valve
1961BuickLeSabre—Hardtop6.6LV8N/Aw/ Valve; Expansion Valve
1961CadillacDeVille————Frontw/ Valve; Expansion Valve
1961CadillacEldorado————Frontw/ Valve; Expansion Valve
1960BuickLeSabre—Sedan6.0LV8N/AExpansion Valve
1960BuickLeSabre—Coupe6.0LV8N/AExpansion Valve
1960BuickLeSabre—Convertible6.0LV8N/AExpansion Valve
1960BuickLeSabre—Hardtop6.0LV8N/AExpansion Valve
1960BuickLeSabre—Sedan6.6LV8N/Aw/ Valve; Expansion Valve
1960BuickLeSabre—Coupe6.6LV8N/Aw/ Valve; Expansion Valve
1960BuickLeSabre—Convertible6.6LV8N/Aw/ Valve; Expansion Valve
1960BuickLeSabre—Hardtop6.6LV8N/Aw/ Valve; Expansion Valve
1960ChevroletEl Camino——4.6LV8N/AExpansion Valve
1960ChevroletEl Camino——5.7LV8N/AExpansion Valve
1959BuickLeSabre—Sedan6.0LV8N/AExpansion Valve
1959BuickLeSabre—Coupe6.0LV8N/AExpansion Valve
1959BuickLeSabre—Convertible6.0LV8N/AExpansion Valve
1959BuickLeSabre—Hardtop6.0LV8N/AExpansion Valve
1959ChevroletBel Air——3.8LL6N/AExpansion Valve
1959ChevroletBel Air——4.6LV8N/AExpansion Valve
1959ChevroletBel Air——5.7LV8N/AExpansion Valve
1959ChevroletEl Camino————N/AExpansion Valve
1959ChevroletImpala————N/Aw/ Valve; Expansion Valve
1958ChevroletBel Air————N/AExpansion Valve
1958ChevroletImpala————N/AExpansion Valve
Directly replaces or cross-references 58 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 4644AP Exhaust — 38720Bosch — 17103Global Parts Distributors LLC — 3411265Quality-Built — 15559123019123019A182110207341208110237409M15401295401327073417587209042219042669042689046089387201034564M9115502451691706C1181800131107183110718AM31109033110903AM31109393110939AM32050853216522321652336165233758720713872011138720V1918978989051452600583201A8268AC3512CAC3558AC3558CCWK758720E805004E805005E805006E805007EA1375EX6051EXV2021FE110RD56099OPT38720ZAW424057ZAW428057ZVW424057