Four Seasons 3512N A/C Compressor and Component Kit - Front and Rear

Four Seasons 3512N A/C Compressor Kit

Four Seasons 3512N is a PAC-Kit with a new compressor for select Buick Rainier and Oldsmobile Bravada applications. It is built for front and rear HVAC systems and matches vehicles equipped with a TRSA12 compressor.

Key Features

• Brand: Four Seasons
• Part number: 3512N
• Part type: A/C compressor kit
• PAC-Kit w/ New Compressor product line
• Fits front and rear HVAC applications
• For vehicles with TRSA12 compressor setup
• Includes related service components referenced for this application: 78561, 83222, 38623, 39011, 69991, 59007

Fitment Details

Fits 2004-2007 Buick Rainier, front and rear, with TRSA12 compressor. Fits 2004 Oldsmobile Bravada, front and rear, with TRSA12 compressor.

The PAC-Kit w/ New Compressor line groups the compressor with application-specific A/C service parts for a more complete repair path on the affected HVAC system. Four Seasons 3512N is listed for 2004-2007 Buick Rainier and 2004 Oldsmobile Bravada models that use the TRSA12 compressor configuration.

Common Reasons for Replacement

• Loss of A/C cooling performance
• Noisy or seized compressor operation
• Refrigerant system contamination after compressor failure
• Incorrect compressor operation in a TRSA12-equipped system
• Restoring front and rear climate control function

Installation Notes and Tips

Verify the vehicle’s compressor type before ordering and confirm the TRSA12 configuration matches the original system. Inspect the A/C system for contamination, flush the circuit as required, and replace worn related components during service to reduce repeat failure. Follow the vehicle service manual for evacuation, oiling, and refrigerant charging procedures.

Quality Assurance

Four Seasons catalogs this kit as an application-specific PAC-Kit with a new compressor for the listed Buick Rainier and Oldsmobile Bravada fitments.