Standard Ignition RY-1638 Fuel Pump Relay

Fuel Pump Relay for Mercedes-Benz CL65 AMG

Standard Ignition RY-1638 is a 12-volt fuel pump relay built with a square connector shape, male blade terminals, and a 3-terminal layout. It is a direct-fit electrical relay for the fuel pump circuit on select Mercedes-Benz applications, including the 2005-2006 Mercedes-Benz CL65 AMG.

Key Features

• Fuel pump relay function for the vehicle’s fuel delivery circuit
• 12-volt electrical specification
• Square connector shape for the listed application
• Male blade terminals with 3-terminal configuration
• Standard Ignition RY-1638 part number for catalog matching

Detailed Description

Standard Ignition RY-1638 is an air and fuel delivery relay used to control fuel pump operation in the specified Mercedes-Benz CL65 AMG fitment. The relay uses a square connector shape and blade-style male terminals, which helps ensure proper electrical connection in the factory relay location. This part cross-references Four Seasons 20915 for the same application. For buyers searching for a Mercedes-Benz CL65 AMG fuel pump relay, RY-1638 provides a cataloged replacement option for 2005-2006 models.

What It Is Used For

• Restoring fuel pump relay function when the original relay fails
• Addressing intermittent fuel pump operation
• Correcting no-start conditions caused by relay circuit faults
• Replacing a damaged or heat-affected relay connector interface
• Resolving fuel delivery issues tied to relay switching problems

Installation Notes and Tips

Verify the relay connector shape, terminal count, and voltage rating before installation. This part is listed for 2005-2006 Mercedes-Benz CL65 AMG, N/A, with square relay notes, so match the vehicle’s factory relay style and electrical layout before replacement. Confirm the relay location and inspect the surrounding terminals for corrosion, looseness, or heat damage during service.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and fuel system service parts. RY-1638 is cataloged to the listed application and interchange references, including Standard Ignition RY-1638, for accurate part matching.