Four Seasons 36698 HVAC Pressure Transducer

Four Seasons 36698 Pressure Switch Overview

The Four Seasons Pressure Switch, part number 36698, is an HVAC pressure transducer for system-mounted applications. It uses a round female connector with 3 terminals and an M10 x 1.25 female thread for a direct-fit style connection on supported vehicles.

Built to meet or exceed OEM requirements, this Four Seasons 36698 pressure switch is used in air conditioning systems that rely on accurate pressure signal feedback for proper operation. It is a practical replacement for a wide range of GM, Saturn, Pontiac, Buick, Chevrolet, Cadillac, Oldsmobile, Isuzu, and Fiat applications, including Chevrolet Trailblazer, GMC Envoy, and Pontiac Grand Prix models.

Key Features

• HVAC pressure transducer for system-mounted installation
• Round female connector with 3 pins and 3 terminals
• M10 x 1.25 female fitting thread
• Variable comp open/closed operation
• Meets or exceeds OEM specifications
• Four Seasons Pressure Switch line, part number 36698

Detailed Description

Four Seasons 36698 is a pressure switch transducer used in automotive HVAC systems to monitor refrigerant pressure and send the appropriate signal to the control circuit. The system-mounted design, round connector shape, and 3-terminal layout help match the original equipment configuration on many vehicles. This part cross-references Global Parts Distributors LLC 1711438 for the same application.

Compatible With 2012-2019 Fiat 500, 2004-2011 Chevrolet Aveo, 2006-2011 Chevrolet Aveo5, 2006-2009 Pontiac Torrent, 2004-2005 Buick Rainier, 2004-2005 Chevrolet SSR, 2002-2005 Chevrolet Trailblazer, 2002-2005 GMC Envoy, 1994-2004 Chevrolet Corvette, 1993-2002 Pontiac Firebird, and other listed applications. The Four Seasons 36698 part number is also referenced across multiple OE and aftermarket numbers for service replacement use.

What This Part Helps Address

• HVAC compressor cycling concerns caused by incorrect pressure signal input
• A/C system shutdown related to pressure switch failure
• Intermittent air conditioning operation on supported GM and Fiat vehicles
• Fault codes tied to refrigerant pressure sensor or transducer issues
• Loss of compressor engagement when the pressure switch no longer reports accurately

Installation Notes and Tips

Verify the connector shape, 3-pin terminal count, and M10 x 1.25 thread before installation. Confirm the vehicle’s original HVAC pressure switch or transducer style matches the system-mounted configuration listed for your application. Always inspect the connector, sealing surfaces, and refrigerant system condition before replacing the part.

Quality Assurance

This Four Seasons pressure transducer is listed as meeting or exceeding OEM requirements for the specified applications. Four Seasons part number 36698 is cataloged for direct replacement use in supported HVAC systems.