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Four Seasons 33143 A/C Accumulator
Overview of Four Seasons Accumulator 33143
The Four Seasons Accumulator 33143 is designed for reliable performance in automotive HVAC systems. This A/C accumulator is compatible with Buick Caprice, Cadillac Fleetwood, Commercial Chassis, and Chevrolet Roadmaster models, ensuring proper refrigerant flow and moisture removal.
- Brand: Four Seasons
- Brand Line: Accumulator
- Part Number: 33143
- Material: Aluminum construction for durability
- Body Diameter: 3.5 inches (88.9 mm)
- Body Length: 9 inches (228.6 mm)
- Inlet Fitting: Female o-ring, 3/4 inch (19.05 mm)
- Outlet Fitting: Male insert o-ring, 3/4 inch (19.05 mm)
- Switch Port: Included with 1/4 inch (6.35 mm) diameter
- O-Rings: Includes two green o-rings [24650] and two green o-rings [24612]
- Meets or exceeds OEM specifications
- Mounting hardware not included
Four Seasons Accumulator Product Line Details
The Four Seasons Accumulator product line focuses on complete A/C accumulator units engineered to maintain system efficiency by capturing moisture and debris from the refrigerant. The 33143 model features aluminum construction and precise inlet and outlet fittings to ensure compatibility and durability in HVAC systems for select Buick, Cadillac, and Chevrolet vehicles.
Product Description and Specifications
This Four Seasons A/C accumulator (part number 33143) is a complete unit designed to fit specific GM vehicles including the Buick Caprice, Cadillac Fleetwood, Commercial Chassis, and Chevrolet Roadmaster. The aluminum body measures 3.5 inches in diameter and 9 inches in length, providing a robust and corrosion-resistant housing. It features a female o-ring inlet fitting and a male insert o-ring outlet fitting, both sized at 3/4 inch (19.05 mm), ensuring a secure and leak-free connection. The accumulator includes a switch port with a 1/4 inch diameter, allowing integration with the vehicle’s A/C system switch. Two sets of green o-rings are included for proper sealing during installation. This part meets or exceeds OEM standards but does not include mounting hardware.
Common Applications and Issues Addressed
- Prevents moisture and debris from entering the A/C system
- Helps maintain proper refrigerant flow and pressure
- Reduces risk of compressor damage due to contaminants
- Supports efficient cooling performance in Buick Caprice and Cadillac Fleetwood HVAC systems
- Compatible with Chevrolet Roadmaster and Commercial Chassis A/C systems
Installation Notes and Tips
- Ensure compatibility with vehicle make and model before installation
- Use the included green o-rings [24650] and [24612] for proper sealing
- Mounting hardware is not included; reuse existing hardware or source separately
- Check for leaks after installation and system recharge
- Follow vehicle manufacturer guidelines for A/C system service
Quality Assurance and Warranty
The Four Seasons Accumulator 33143 is manufactured to meet or exceed OEM specifications, providing reliable performance in compatible Buick, Cadillac, and Chevrolet vehicles. While mounting hardware is not included, the unit’s aluminum construction and precise fittings ensure durability and proper function. Warranty details should be confirmed with the product supplier or manufacturer.
| Brand | Four Seasons |
| Part Number | 33143 |
| Position | Accumulator |
| 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 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 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1993 | Buick | Roadmaster | Sedan | 5.7L | V8 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator | |
| 1993 | Buick | Roadmaster | Wagon | 5.7L | V8 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator | |
| 1993 | Cadillac | Fleetwood | Base | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator | |||
| 1992 | Buick | Roadmaster | Sedan | 5.7L | V8 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator | |
| 1992 | Buick | Roadmaster | Wagon | 5.7L | V8 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator | |
| 1991 | Buick | Roadmaster | Wagon | 5.0L | V8 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator | |
| 1991 | Chevrolet | Caprice | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator | ||||
| 1991 | Chevrolet | Commercial Chassis | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.