Four Seasons 33147 A/C Accumulator

Four Seasons 33147 A/C Accumulator Overview

Four Seasons 33147 is a complete aluminum A/C accumulator for select Cadillac applications. It is built to meet or exceed OEM specifications and is listed for 1989-1990 Cadillac DeVille and 1989-1990 Cadillac Fleetwood service needs.

The Four Seasons Accumulator line focuses on direct-fit HVAC service parts for air conditioning systems that require accurate port sizing, sealing surfaces, and OE-style construction. This 33147 accumulator uses dual O-ring inlet and outlet fittings and includes a switch port for the specified application.

Key Features

• Brand: Four Seasons
• Part number: 33147
• Type: A/C accumulator
• Complete unit construction
• Aluminum body
• Body diameter: 3.500 in. (88.900 mm)
• Body length: 9.000 in. (228.600 mm)
• Dual O-ring inlet and outlet fittings
• Switch port included; no service port
• Meets or exceeds OEM specifications
• Compatible with 1989-1990 Cadillac DeVille and 1989-1990 Cadillac Fleetwood

Detailed Description

This Four Seasons 33147 A/C accumulator is designed for HVAC systems that use a receiver-drier style accumulator assembly with dual O-ring connections. The aluminum housing and OE-matching dimensions support proper fitment in the listed Cadillac DeVille and Cadillac Fleetwood applications. If you are replacing a leaking or restricted accumulator on a 1989-1990 Cadillac DeVille or 1989-1990 Cadillac Fleetwood, this part number 33147 provides the correct style and connection layout for the application.

This part cross-references UAC RD1512C for the same application.

Common Problems This Part Can Address

• Refrigerant loss from a leaking accumulator housing or fittings
• Moisture contamination in the A/C system after accumulator failure
• Poor A/C performance caused by restricted accumulator flow
• Improper sealing at dual O-ring inlet or outlet connections
• Switch-port related service replacement on the listed Cadillac models

Installation Notes and Tips

• Verify the inlet and outlet fitting sizes before installation.
• Replace O-rings with the correct refrigerant-compatible seals during service.
• Inspect the A/C system for contamination or debris before charging.
• Confirm switch-port configuration matches the original part.
• Evacuate and recharge the system according to factory service procedures.

Quality Assurance

Four Seasons 33147 is manufactured to meet or exceed OEM requirements for the listed applications. The aluminum construction and OE-style dimensions support consistent service replacement for Cadillac DeVille and Cadillac Fleetwood A/C repair.