Standard Ignition RY-211 HVAC Relay

HVAC Relay for Honda and Acura Applications

Standard Ignition RY-211 is a 12-volt HVAC relay built for select Honda and Acura vehicles that use a 4-blade terminal layout and a rectangular female connector. With a 20 amp amperage rating and included mounting bracket, this relay supports dependable HVAC circuit switching in applications such as the Honda Accord, Honda Odyssey, Acura Integra, and Acura TL.

Key Features

• 12 V HVAC relay for climate control circuit operation
• 20 A amperage rating for relay-controlled HVAC loads
• Female rectangular connector with 1 connector cavity
• 4 male blade terminals for direct electrical connection
• Mounting bracket included for bracket-style installations
• Standard Ignition RY-211 replacement part number

Detailed Product Information

The Standard Ignition RY-211 is an HVAC relay used in vehicle climate control systems where a relay is needed to switch power to HVAC-related components. This part number is listed across a wide range of Honda and Acura platforms, including 1986-2001 Acura Integra, 1986-2001 Honda Prelude, 1986-1995 Honda Civic, 2003-2007 Honda Accord, 2005-2007 Honda Odyssey, and 2004-2006 Acura TSX. It also appears in fitments for the Acura CL, TL, Legend, NSX, EL, and Honda CRX, Civic del Sol, Ridgeline, and Odyssey. Standard Ignition RY-211 is a direct-reference HVAC relay for vehicles that require the specified connector and terminal configuration.

This part cross-references Gates 19304 for the same application.

Common Problems This Relay Can Address

• HVAC system not switching on when the relay circuit fails
• Intermittent blower or climate control operation caused by relay contact wear
• No power delivery to an HVAC circuit due to a failed relay
• Heat-related relay malfunction in older Honda and Acura electrical systems
• Replacement needs for vehicles using the OE-style 4-blade relay layout

Installation Notes and Fitment Tips

Verify the connector shape, terminal count, and bracket style before installation. This relay uses a female rectangular connector, 4 male blade terminals, and a mounting bracket, so it should be matched to the original relay configuration on the vehicle. Fitment includes 2006-2008 Honda Ridgeline, 2003-2007 Honda Accord, 1995-1998 Honda Odyssey, 2004-2006 Acura TSX, 1991-2001 Acura Integra, 1986-2001 Honda Prelude, 1997-1999 Acura CL, 1995-1998 Acura TL, 1997 Acura EL, 1993-1997 Honda Civic del Sol, 1995-1996 Acura NSX, 1986-1995 Honda Civic, 1988-1991 Honda CRX, and 1986-1987 Acura Legend. Notes in the fitment data include OE No. 39795-SB2-003, Mitsuba, rubber boot, skirt, and bracket-specific applications.

Quality Assurance

Standard Ignition supplies replacement electrical components for vehicle HVAC systems, and this relay is specified with a 12 V rating, 20 A capacity, and defined terminal and connector details to support accurate part matching. Confirm the original relay number and vehicle application before installation.