MOTOKU A/C Clutch Cycle Sensor Switch for GM Vehicles — Direct-Fit Pressure Control

The MOTOKU Air Conditioner Pressure A/C Clutch Cycle Sensor Switch detects refrigerant pressure and controls the compressor clutch to protect your A/C system and restore proper cycling.

If your vehicle’s air conditioning compressor is engaging erratically, not engaging at all, or the system cycles on and off too quickly, this direct-fit sensor switch is a replacement option for many GM platforms. Engineered as a serviceable replacement matching factory mounting and electrical connections, the switch helps re-establish proper pressure monitoring for models across Chevrolet, GMC, Cadillac, Buick, Oldsmobile and Hummer lineups listed below.

Which vehicles will this MOTOKU A/C clutch cycle sensor fit?

This switch covers a broad range of GM vehicles from the late 1990s through the 2010s. Check the specific model years and trims before ordering to confirm compatibility with your year and engine combination.

• Cadillac Escalade 1999–2009, Escalade EXT 2003–2007, Escalade ESV 2004–2008
• Chevrolet Silverado, Suburban, Tahoe, Avalanche, Astro, Express, Trailblazer and related models spanning 1996–2016 depending on the variant
• GMC Sierra (1500/2500/3500 series), Savana, Yukon, Envoy and Safari across listed years
• Buick Rainier 2004, Oldsmobile Bravada 2002, Hummer H2 2004

How does this sensor switch affect A/C compressor operation?

The switch monitors system pressure and sends a signal that allows the compressor clutch to engage only when refrigerant pressure is within safe limits. This prevents the compressor from running under low- or over-pressure conditions that can cause damage or reduce cooling performance.

• Shuts off clutch at dangerously low or high pressures
• Helps reduce short-cycling and related electrical strain
• Restores factory-style on/off pressure thresholds when mounted correctly

What are the replacement part cross-references and fitment notes?

This MOTOKU switch is offered as a direct replacement for several OEM numbers, making it a convenient aftermarket substitute when the original part is unavailable. Verify the part number stamped on your original sensor before installation.

• Replaces OEMs: 12209861, 1711456, 37308, 9510082
• Also cross-referenced to: TL850-8707, 15035084, 15144494, 52476843
• Matches factory electrical connector and mounting thread for listed vehicles

How do I install and test the MOTOKU A/C pressure switch?

Installation is straightforward for a mechanically inclined DIYer or a professional tech: recover refrigerant, remove the old switch, install the replacement with proper torque and leak-check the system. After recharge to the correct refrigerant level, verify compressor engagement across operating conditions.

• Recover refrigerant and disconnect battery before service
• Use correct thread sealant if required and torque to OEM spec
• Evacuate and recharge the system, then confirm clutch cycling under normal operating pressure

Who is this for? The MOTOKU A/C Pressure A/C Clutch Cycle Sensor Switch is suited for car owners and independent shops maintaining GM vehicles that exhibit A/C clutch cycling problems or have a failed pressure-sensing switch. It’s intended for anyone needing a compatible, aftermarket replacement that aligns with multiple OEM part numbers and a wide range of Chevrolet, GMC, Cadillac, Buick, Oldsmobile and Hummer models. Always confirm vehicle fitment and follow safe refrigerant handling and installation procedures or consult a professional technician.