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Four Seasons 33185 A/C Accumulator
| Brand | Four Seasons 33185 |
|---|---|
| Body Diameter | 3.500 |
| Body Length | 9.000 |
| Description | Accumulators |
| Dia. MM | 88.900 |
| Friction Material Attachment | w/o Service Port |
| Inlet Fitting Diameter | 3/4 |
| Inlet Fitting Type | Female Insert O-Ring |
| Inlet IN | 0.750 |
| Inlet MM | 19.050 |
| Length MM | 228.600 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hardware? | Not Included |
| O-Ring A Number/Desc | [24650] / Green O-Ring |
| O-Ring B Number/Desc | [24612] / Green O-Ring |
| Outlet Fitting Diameter | 0.750 |
| Outlet Fitting Type | Male Insert O-Ring |
| Outlet Fraction | 3/4 |
| Outlet MM | 19.050 |
| Printed Foot Note | Swivel Top/Universal Accumulator also available Part No. [33705] - Tube kit not required. |
| Style | Complete Unit |
| Switch | w/ Switch Port |
| Switch Port Dia. IN | 0.250 |
| Switch Port Dia.MM | 6.350 |
| Type | Accumulator |
| Product line | Accumulator |
| Fits | Pontiac, Chevrolet, Oldsmobile, Buick, and GMC · 48 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable A/C service.
Aluminum construction. Lightweight body helps resist corrosion in demanding conditions.
Complete unit. Includes the accumulator with O-ring fittings for a cleaner install.
Cross-references Dayco 11375, Four Seasons 4421N and Four Seasons 33185 for the same application. See all 44.
Four Seasons 33185 A/C Accumulator
The Four Seasons 33185 A/C accumulator is a complete aluminum replacement for select GM and Pontiac rear-A/C applications. It features a 3.500-inch body diameter, 9.000-inch body length, female insert O-ring inlet, male insert O-ring outlet, and a switch port for systems that use a pressure switch connection.
Built to meet or exceed OEM requirements, this Four Seasons accumulator is a direct-fit service part for vehicles such as the Pontiac Grand Prix, Chevrolet Monte Carlo, and Buick Regal. The Four Seasons 33185 is also referenced by multiple aftermarket part numbers for the same application.
Key Features
- Complete unit A/C accumulator for HVAC service
- Aluminum construction for OE-style fit and durability
- Female insert O-ring inlet and male insert O-ring outlet
- Switch port included; no service port
- Body diameter: 3.500 in. / 88.900 mm
- Body length: 9.000 in. / 228.600 mm
- Meets or exceeds OEM specifications
- Green O-ring sealing points specified for the application
Product Details
Four Seasons Accumulator line parts are built for A/C systems that need proper refrigerant storage and moisture control on the low-pressure side. Part number 33185 uses a complete-unit design with OE-style O-ring connections, making it a practical replacement for rear-A/C and optional swivel-top accumulator applications. It is listed for 1985-1988 Chevrolet Monte Carlo, 1985-1987 Buick Regal, 1985-1987 Chevrolet El Camino, 1985-1987 Oldsmobile Cutlass, 1985-1987 Oldsmobile Cutlass Salon, 1985-1988 Oldsmobile Cutlass Supreme, 1985-1987 Pontiac Grand Prix, 1985-1986 Pontiac Bonneville, 1986 Buick Century, 1986 Oldsmobile Cutlass Ciera, 1987-1991 Pontiac Tempest, 1988-1993 Pontiac LeMans, 1990-1992 Pontiac Trans Sport, 1991-1992 Chevrolet Lumina APV, and 1992 Oldsmobile Silhouette. This part cross-references UAC RD6069C and Spectra Premium 0233185 for the same application.
Common Repair Uses
- Restoring proper A/C refrigerant flow after accumulator failure
- Replacing a leaking or corroded aluminum accumulator housing
- Addressing poor cooling caused by moisture contamination in the system
- Repairing damaged inlet, outlet, or switch-port sealing surfaces
- Servicing rear-A/C vehicles that use an accumulator with OE-style O-ring fittings
Installation Notes
Verify inlet and outlet fitting style, switch-port configuration, and body dimensions before installation. Replace the specified O-rings during service and evacuate and recharge the system according to factory procedures. Mounting hardware is not included. For some applications, the printed foot note indicates that a swivel-top/universal accumulator option is also available and a tube kit is not required.
Quality Assurance
Four Seasons 33185 is engineered as an OEM-level replacement and is listed as meeting or exceeding OEM specifications. The part number 33185 is used across multiple catalog references, including applications for Pontiac LeMans, Pontiac Trans Sport, and Chevrolet Lumina APV, helping confirm broad aftermarket coverage for the listed vehicles.
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1993 | Pontiac | LeMans | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1992 | Chevrolet | Lumina APV | — | 3.1L | V6 | N/A | w/ Rear AC; Optional Swivel Top/Univeral Accumlator, Tube kit not required; Accumulator |
| 1992 | Oldsmobile | Silhouette | — | 3.1L | V6 | N/A | w/ Rear AC; Optional Swivel Top/Univeral Accumlator, Tube kit not required; Accumulator |
| 1992 | Pontiac | LeMans | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1992 | Pontiac | Trans Sport | — | 3.1L | V6 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1991 | Chevrolet | Lumina APV | — | — | — | N/A | w/ Rear AC; Optional Swivel Top/Univeral Accumlator, Tube kit not required; Accumulator |
| 1991 | Pontiac | LeMans | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1991 | Pontiac | Tempest | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1991 | Pontiac | Trans Sport | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1990 | Pontiac | LeMans | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1990 | Pontiac | Tempest | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1990 | Pontiac | Trans Sport | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1989 | Pontiac | LeMans | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1989 | Pontiac | Tempest | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1988 | Chevrolet | Monte Carlo | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1988 | Oldsmobile | Cutlass Supreme | — | 5.0L | V8 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1988 | Pontiac | LeMans | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1988 | Pontiac | Tempest | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1987 | Buick | Regal | Coupe | 5.0L | V8 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1987 | Buick | Regal | Coupe | 3.8L | V6 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1987 | Chevrolet | El Camino | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1987 | Chevrolet | Monte Carlo | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1987 | Oldsmobile | Cutlass | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1987 | Oldsmobile | Cutlass Salon | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1987 | Oldsmobile | Cutlass Supreme | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1987 | Pontiac | Grand Prix | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1987 | Pontiac | Tempest | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1986 | Buick | Century | Sedan | 3.8L | V6 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1986 | Buick | Century | Coupe | 3.8L | V6 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1986 | Buick | Regal | Coupe | 5.0L | V8 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1986 | Buick | Regal | Coupe | 3.8L | V6 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1986 | Chevrolet | El Camino | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1986 | Chevrolet | Monte Carlo | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1986 | Oldsmobile | Cutlass | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1986 | Oldsmobile | Cutlass Ciera | — | 3.8L | V6 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1986 | Oldsmobile | Cutlass Salon | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1986 | Oldsmobile | Cutlass Supreme | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1986 | Pontiac | Bonneville | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1986 | Pontiac | Grand Prix | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1985 | Buick | Regal | Coupe | 5.0L | V8 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1985 | Buick | Regal | Coupe | 3.8L | V6 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1985 | Chevrolet | El Camino | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1985 | Chevrolet | Monte Carlo | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1985 | Oldsmobile | Cutlass | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1985 | Oldsmobile | Cutlass Salon | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1985 | Oldsmobile | Cutlass Supreme | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1985 | Pontiac | Bonneville | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1985 | Pontiac | Grand Prix | — | — | — | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
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