Four Seasons 3935R A/C Compressor Kit - Front and Rear
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Four Seasons
 PAC-Kit w/ Reman Compressor

Four Seasons 3935R A/C Compressor Kit - Front and Rear

Brand Four Seasons 3935R
Position Front and Rear
Product line PAC-Kit w/ Reman Compressor
Fits Cadillac · 18 vehicles

Reman compressor kit. A complete A/C compressor kit for straightforward replacement.

PAC-Kit packaging simplifies sourcing the compressor assembly.

$419.52Free shipping
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Four Seasons PAC-Kit w/ Reman Compressor

Four Seasons Part Number 3935R is an A/C compressor kit for select classic Cadillac applications with an A6 compressor and expansion valve system. It is built for front and rear HVAC fitments on 1968-1973 Cadillac DeVille, Eldorado, and Fleetwood models with the listed double-groove pulley configuration.

Key Features

  • Four Seasons PAC-Kit with remanufactured compressor
  • For A/C systems using an A6 compressor
  • For vehicles with expansion valve service requirements
  • Fits front and rear HVAC applications listed below
  • Part number 3935R for catalog and service matching

Vehicle Fitment

  • Fits 1969-1973 Cadillac Fleetwood, front and rear; w/ A6 Compressor; w/ Expansion Valve; compressor w/ double groove pulley.
  • Fits 1969-1972 Cadillac DeVille, front and rear; w/ A6 Compressor; w/ Expansion Valve; compressor w/ double groove pulley.
  • Fits 1968 Cadillac DeVille, front and rear; w/ A6 Compressor; w/ Expansion Valve; from serial no. 114153; compressor w/ double groove pulley.
  • Fits 1968 Cadillac Eldorado, front and rear; w/ A6 Compressor; w/ Expansion Valve; compressor w/ double groove pulley.
  • Fits 1968 Cadillac Fleetwood, front and rear; w/ A6 Compressor; w/ Expansion Valve; from serial no. 114153; compressor w/ double groove pulley.

What This Kit Is Used For

  • Replacing a worn or failed A/C compressor in the listed Cadillac models
  • Restoring refrigerant circulation in an A6-based HVAC system
  • Addressing compressor noise, seizure, or loss of cooling output
  • Supporting repair of expansion-valve-equipped air conditioning systems
  • Servicing vehicles with the specified double-groove pulley setup

Installation Notes

Verify the compressor style, pulley configuration, and serial-number note before ordering. Match the vehicle’s HVAC layout and expansion valve setup to the fitment notes for 1968-1973 Cadillac DeVille, Eldorado, and Fleetwood applications. Follow standard A/C service procedures, including system evacuation, flushing where required, and correct oil handling during installation.

Quality Assurance

Four Seasons supplies aftermarket climate-control components for service replacement applications. Part number 3935R is cataloged as a PAC-Kit with reman compressor for the listed Cadillac fitments.

Related reading

This part fits 18 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
1973CadillacFleetwood—Front and Rearw/ A6 Compressor; w/ Expansion Valve; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1972CadillacDeVille—Front and Rearw/ A6 Compressor; w/ Expansion Valve; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1972CadillacFleetwood—Front and Rearw/ A6 Compressor; w/ Expansion Valve; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1971CadillacDeVille—Front and Rearw/ A6 Compressor; w/ Expansion Valve; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1971CadillacFleetwood—Front and Rearw/ A6 Compressor; w/ Expansion Valve; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1970CadillacDeVille—Front and Rearw/ A6 Compressor; w/ Expansion Valve; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1970CadillacFleetwoodBaseFront and Rearw/ A6 Compressor; w/ Expansion Valve; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1970CadillacFleetwood75Front and Rearw/ A6 Compressor; w/ Expansion Valve; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1970CadillacFleetwood60 SpecialFront and Rearw/ A6 Compressor; w/ Expansion Valve; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1969CadillacDeVille—Front and Rearw/ A6 Compressor; w/ Expansion Valve; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1969CadillacFleetwoodBaseFront and Rearw/ A6 Compressor; w/ Expansion Valve; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1969CadillacFleetwood75Front and Rearw/ A6 Compressor; w/ Expansion Valve; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1969CadillacFleetwood60 SpecialFront and Rearw/ A6 Compressor; w/ Expansion Valve; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1968CadillacDeVille—Front and Rearw/ A6 Compressor; w/ Expansion Valve; From Serial No. 114153; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1968CadillacEldorado—Front and Rearw/ A6 Compressor; w/ Expansion Valve; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1968CadillacFleetwoodBaseFront and Rearw/ A6 Compressor; w/ Expansion Valve; From Serial No. 114153; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1968CadillacFleetwood75Front and Rearw/ A6 Compressor; w/ Expansion Valve; From Serial No. 114153; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1968CadillacFleetwood60 SpecialFront and Rearw/ A6 Compressor; w/ Expansion Valve; From Serial No. 114153; Compresor w/ Double Groove Pulley; 57088 (Reman Compressor), 33213 (Filter Drier), 38622 (Exp Valve), 38652 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor