Four Seasons
Accumulator

Four Seasons 33217 A/C Accumulator

Brand Four Seasons 33217
Body Diameter 3.500
Body Length 9.000
Description Accumulators
Desiccant Wt Grams 100
Dia. MM 88.900
Friction Material Attachment w/ Service Port
Fuse Plug? No
Inlet Fitting Diameter 5/8
Inlet Fitting Type Female O-Ring
Inlet MM 27.000
Inlet Size 3/4
Inlet Thread Size M27x2.000
Length MM 228.600
Material Aluminum
Meets / Exceeds OEM? Yes
Mounting Hardware? Not Included
O-Ring A Number/Desc [24676] / Green O-Ring
O-Ring B Number/Desc [24612] / Green O-Ring
Outlet Fitting Type Male Insert O-Ring
Outlet Fraction 3/4
Outlet Size 3/4
Outlet Thread Size M27x2.000
Style Complete Unit
Switch w/o Switch Port
Switch Port Dia. IN 0.472
Switch Port Dia.MM 12.000
Type Accumulator
Type Washer Not Included
Product line Accumulator
Fits Chevrolet, Oldsmobile, and Pontiac · 4 vehicles

OE-spec replacement. Meets or exceeds OEM requirements for dependable service.

Aluminum construction. Helps resist corrosion while keeping the unit lightweight.

Complete unit. Includes the accumulator body with service port and O-rings.

Cross-references Continental 49101, Four Seasons 33217 and Gates 21738 for the same application. See all 37.

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Four Seasons 33217 A/C Accumulator

The Four Seasons Accumulator 33217 is a complete aluminum A/C accumulator built for OE-style replacement in select GM minivan applications. It is specified for 1996 Chevrolet Lumina APV, Lumina Van, Oldsmobile Silhouette, and Pontiac Trans Sport models with service-port-equipped HVAC systems.

Key Features

  • Brand: Four Seasons Accumulator
  • Part number: 33217
  • Complete unit construction in aluminum
  • Female O-ring inlet and male insert O-ring outlet
  • Service port included; no switch port
  • Body diameter: 3.500 in. / 88.900 mm
  • Body length: 9.000 in. / 228.600 mm
  • Desiccant weight: 100 grams
  • Meets or exceeds OEM requirements
  • Compatible with 1996 Chevrolet Lumina APV, Lumina Van, Oldsmobile Silhouette, and Pontiac Trans Sport

Product Details

Four Seasons 33217 is an A/C accumulator for the accumulator/receiver drier category, used in automotive air conditioning systems to manage refrigerant flow and moisture control. The aluminum body, OE-style O-ring connections, and service port configuration support direct replacement needs on 1996 Chevrolet Lumina APV, Lumina Van, Oldsmobile Silhouette, and Pontiac Trans Sport models. This part cross-references Gates 21738 for the same application.

Common Repair Uses

  • Replacing a leaking or corroded A/C accumulator
  • Restoring proper refrigerant system moisture control
  • Addressing poor A/C cooling caused by restricted or contaminated accumulator components
  • Repairing damaged inlet or outlet O-ring sealing surfaces
  • Servicing a vehicle A/C system after compressor or line replacement

Installation Notes

Verify inlet and outlet fitting style, thread size, and service-port configuration before installation. Replace the O-rings with the correct refrigerant-safe seals during assembly and confirm all connections are clean and properly seated. This unit is supplied without a switch port and without mounting hardware, so confirm the vehicle’s original layout matches the part before beginning service.

Quality Assurance

Four Seasons lists this accumulator as meeting or exceeding OEM requirements, making it a direct-fit replacement option for the specified 1996 Chevrolet Lumina APV, Lumina Van, Oldsmobile Silhouette, and Pontiac Trans Sport applications.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1996ChevroletLumina APVN/AAccumulator
1996ChevroletLumina VanN/AAccumulator
1996OldsmobileSilhouetteN/AAccumulator
1996PontiacTrans SportN/AAccumulator
Directly replaces or cross-references 37 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Continental — 49101Four Seasons — 33217Gates — 21738Global Parts Distributors LLC — 1411363UAC — RD1738CWalker Exhaust — 16361Walker Exhaust — 217251AMAC332174538N16361D151725151738171738172921207920207921208516023321770354870507512215550149281427249222724923370507537234034789524111332178896852088968521A78516AC2395AC2395CAD10078CWK705075ED921RD1738T