Four Seasons 37281 A/C Compressor Cut-Out Switch Harness Connector

Four Seasons 37281 Harness Connector

The Four Seasons 37281 harness connector is a male connector with a round shape, 2 terminals, and female terminal ends. It is used in HVAC and engine-related electrical connections where a secure replacement connector is needed for service work on supported vehicles.

Key Features

• Brand: Four Seasons Harness Connector line
• Part number: 37281
• Male connector with round body style
• 2-terminal design with female terminal gender
• Used as an A/C compressor cut-off switch harness connector
• Also listed for engine coolant temperature sender unit switch connector applications on select Saturn models

Product Details

Four Seasons 37281 is a harness connector built for electrical service in HVAC and related sensor circuits. As part of the Four Seasons Harness Connector product line, it is specified as a connector-style replacement with a round profile and 2 terminals. This part number is listed across multiple OE-style interchange references and is used on a range of Cadillac, Buick, Oldsmobile, Pontiac, and Saturn applications, including Cadillac DeVille, Cadillac Eldorado, Cadillac Seville, Buick Park Avenue, Oldsmobile Aurora, Pontiac Bonneville, and Saturn S-Series models.

For buyers searching for a 1994-2005 Cadillac DeVille A/C compressor cut-off switch harness connector, a 2002-2004 Buick Park Avenue harness connector, or a 1991-2002 Saturn SL/SL1/SL2 connector, Four Seasons 37281 is the direct part number to reference. It also appears in fitment for 1997 Buick Riviera, 2000-2004 Cadillac Seville high pressure applications, and select Saturn engine coolant temperature sender unit switch connector with gauge applications.

This part cross-references AP Exhaust 645900 and Premium Guard PT1175 for the same application.

Common Uses

• Broken or heat-damaged A/C compressor cut-off switch connector
• Corroded or loose HVAC electrical connection
• Intermittent compressor engagement caused by connector wear
• Faulty sensor connection on select Saturn coolant temperature sender switch circuits
• Repair of damaged harness plug during electrical diagnosis

Installation Notes

Verify connector shape, terminal count, and terminal gender before installation. Match the vehicle application exactly, especially on Saturn models where fitment notes vary by engine coolant temperature sender unit switch connector with gauge and high pressure configurations. Inspect the mating terminals, wiring condition, and locking features before connecting the replacement harness connector. Confirm the original connector style against the vehicle service information for the specific year and model.

Quality Assurance

Four Seasons is a recognized aftermarket brand for HVAC service parts and electrical connectors. Part number 37281 is cataloged for direct-fit applications across supported Cadillac, Buick, Oldsmobile, Pontiac, and Saturn vehicles.