Standard Ignition RY-844 A/C Compressor Control Relay

Standard Ignition RY-844 A/C Compressor Control Relay

Standard Ignition RY-844 is a 12-volt A/C compressor control relay built with a rectangular female connector, five male blade terminals, and a relay-only design. It is a direct-fit HVAC relay for select Toyota Sienna models and supports reliable compressor control in the air conditioning circuit.

Key Features

• 12-volt A/C compressor control relay for HVAC relay applications
• Rectangular connector with 1 female connector interface
• 5 male blade terminals for the specified electrical connection
• Relay-only contents with no mounting bracket included
• Fits 1998-2002 Toyota Sienna, N/A
• Cross-references A/C relay applications such as AR6349 and R6349

Detailed Description

RY-844 is engineered for vehicles that use an A/C compressor control relay to manage compressor engagement through the HVAC electrical system. In 1998-2002 Toyota Sienna applications, this relay helps route the control signal needed for compressor operation, making it a practical replacement when the original relay shows electrical wear or intermittent function. Standard Ignition RY-844 is specified with a female rectangular connector, five male blade terminals, and 12-volt operation for the listed fitment.

This part cross-references AR6349 and R6349 for the same application. If you are searching for a Toyota Sienna A/C compressor relay, HVAC relay replacement, or Standard Ignition RY-844 for 1998-2002 Toyota Sienna models, this part matches the listed vehicle coverage.

What It Helps Solve

• Intermittent A/C compressor engagement
• No compressor clutch command from the HVAC relay circuit
• Electrical relay failure in the air conditioning system
• Loss of cooling caused by a faulty compressor control relay
• Relay-related HVAC operation issues in select Toyota Sienna models

Installation Notes and Tips

Verify the connector shape, terminal count, and terminal style before installation. Match the vehicle’s original relay layout and confirm the application is 1998-2002 Toyota Sienna, N/A. Because this is a 12-volt blade-terminal relay, proper seating in the relay socket is important for stable electrical contact. Compare the original part number RY-844 and the interchange references before replacement.

Quality Assurance

Standard Ignition supplies this relay as an OE-style electrical replacement for the listed HVAC application. The part is built to the stated connector and terminal specifications for direct replacement use in the confirmed Toyota Sienna fitment.