Standard Ignition RY-633 Starter Relay

Starter Relay for Chrysler and Dodge Applications

Standard Ignition RY-633 is a 12-volt starter relay built for Chrysler, Dodge, and Plymouth vehicles that need a direct replacement for OE-style starting circuit control. It uses a square female connector, five male blade terminals, and a mounting bracket for a secure underhood installation.

• 12 V starter relay with 20 A amperage rating
• Square female connector with 1 connector cavity
• 5 male blade terminals for OE-style electrical connection
• Mounting bracket included for proper relay placement
• Composite housing helps protect against heat and harsh underhood conditions
• Brass or copper contacts are used where specified for wear resistance

Fitment and Application Details

Compatible with a wide range of 1990-1996 Chrysler, Dodge, and Plymouth vehicles, including Fits 1995-1996 Dodge B1500, N/A; Fits 1995-1996 Dodge B2500, N/A; Fits 1995-1996 Dodge B3500, N/A; Fits 1995-1996 Dodge Ram 1500 Van, N/A; Fits 1996 Dodge Ram 2500 Van, N/A; Fits 1996 Dodge Ram 3500 Van, N/A; and Fits 1992-1995 Dodge Spirit, N/A. It also covers Fits 1992-1994 Chrysler LeBaron, N/A and multiple 1990-1992 Chrysler, Dodge, and Plymouth models with OE No. 4687147-style configurations.

This part cross-references Bosch 16125 for the same application.

What This Relay Helps Fix

• No-crank or intermittent crank condition caused by a failing starter relay
• Starter engagement problems from worn relay contacts
• Heat-related electrical issues in the underhood relay circuit
• Starting circuit faults on vehicles using a 5-blade relay layout
• Replacement needs for OE No. 4687147-style starter relay setups

Installation Notes and Quality Assurance

Verify the connector shape, terminal count, and mounting style against the original relay before installation. This relay is a 5-terminal, blade-style unit with a bracket, so matching the OE layout is important for proper fit and function. Standard Ignition manufactures this part under TS16949 and ISO9001 certified quality systems, with component and finished-part control maintained throughout production.

Standard Ignition RY-633 is a practical replacement choice for Chrysler, Dodge, and Plymouth starting systems that require a 12-volt starter relay with OE-style electrical and mounting features.