Standard Ignition RY-964 Engine Water Pump Relay

Engine Water Pump Relay for Ford Trucks

Standard Ignition RY-964 is a 12-volt engine water pump relay built for Ford truck applications that need reliable accessory relay control in demanding underhood environments. It is a direct-fit style replacement for select Ford F-150, F-250 Super Duty, F-350 Super Duty, and Lincoln Mark LT applications.

Standard Ignition RY-964 is built with a composite housing to help protect internal components from heat and harsh engine-bay conditions. Where specified, brass or copper contacts are used for wear resistance, and the part is manufactured to strict quality standards in TS16949- and ISO9001-certified facilities.

Key Features

• Engine water pump relay / accessory relay application
• 12-volt electrical system
• Female connector with 5 rectangular terminals
• Male blade terminals with 5-terminal layout
• Composite housing for underhood temperature resistance
• Standard Ignition RY-964 replacement part number

Fitment Details

• Fits 2014 Ford F-150, 4 Way.
• Fits 2011-2013 Ford F-150.
• Fits 2005-2010 Ford F-150, w/ Skirt.
• Fits 2005-2010 Ford F-250 Super Duty, w/ Skirt.
• Fits 2005-2010 Ford F-350 Super Duty, w/ Skirt.
• Fits 2005-2008 Ford F-250 Super Duty.
• Fits 2006-2008 Lincoln Mark LT.

This part cross-references 4L3Z13350AA and R6470 for the same application.

What It Helps Address

• Intermittent water pump relay operation
• Noisy or sticking relay contacts
• Electrical switching issues in the cooling system circuit
• Relay failure caused by heat and vibration exposure
• Accessory relay faults on select Ford truck platforms

Installation Notes

Verify connector style, terminal count, and vehicle application before installation. This relay uses a female connector, 5 blade terminals, and a rectangular connector shape, so matching the original electrical interface is important for proper operation. Confirm the exact year, model, and configuration for your Ford F-150, F-250 Super Duty, F-350 Super Duty, or Lincoln Mark LT before replacement.

Quality Assurance

Standard Ignition manufactures this relay to stringent quality requirements in TS16949- and ISO9001-certified plants, supporting consistent fit and electrical performance across listed applications.