Standard Ignition RY-893 HVAC Automatic Temperature Control (ATC) Relay

Standard Ignition RY-893 HVAC Relay

Standard Ignition RY-893 is an HVAC automatic temperature control relay built for 12-volt systems with a rectangular connector and 7 male blade terminals. It is a direct-fit electrical relay for Volkswagen Passat climate control service, including applications that require stable relay switching in the HVAC circuit.

Key Features

• Part number: RY-893
• Part type: HVAC Automatic Temperature Control (ATC) relay
• 12-volt electrical design
• Rectangular connector shape
• 7 male blade terminals
• Relay function for HVAC control circuits
• No continuous-duty rating
• No mounting bracket included

Fitment Details

Fits 1997 Volkswagen Passat, N/A, Built In Mexico.

Fits 1990-1994 Volkswagen Passat, N/A.

This part cross-references Carlson 16039 for the same application.

What It Helps Fix

• HVAC relay failure causing intermittent climate control operation
• Blower or temperature-control circuit switching problems
• Electrical relay wear in the automatic temperature control system
• Loss of consistent 12-volt relay activation in the HVAC circuit

Installation Notes

Verify the connector shape, terminal count, and terminal type before installation. Match the relay to the vehicle’s HVAC wiring layout and confirm the application by year and build details for Volkswagen Passat models. Standard Ignition RY-893 uses male blade terminals and a rectangular housing, so proper terminal alignment is important during replacement.

Quality Assurance

Standard Ignition supplies electrical replacement parts for service applications, and this relay is built to match the specified HVAC relay configuration for the listed Volkswagen Passat fitments.