Standard Ignition RY-191 Fuel Pump Relay

Fuel Pump Relay for Mercedes-Benz Applications

Standard Ignition RY-191 is a 12-volt fuel pump relay built for air and fuel delivery systems that require a rectangular 6-terminal relay with male bullet terminals. With a 10 amp amperage rating and no mounting bracket included, it matches the electrical and connector requirements used on select Mercedes-Benz models.

Compatible With Mercedes-Benz 300D, 300SD, 300TD, 380SEC, 380SEL, 380SL, and 380SLC applications listed below. Standard Ignition RY-191 is also a direct reference point for OE-style replacement searches using the Mercedes-Benz fuel pump relay part number 000 154 506 05.

• Fuel pump relay for 12 V automotive electrical systems
• 10 amp amperage rating for relay-controlled fuel delivery circuits
• Rectangular connector shape with 6 male bullet terminals
• Continuous duty: No
• Mounting bracket included: No

Detailed Product Overview

This Standard Ignition fuel pump relay is used in air and fuel delivery circuits where the relay switches power to the fuel pump based on vehicle control logic. The 6-terminal, male bullet configuration and rectangular housing support direct replacement needs on select Mercedes-Benz diesel and gasoline models. Standard Ignition RY-191 is a practical search match for drivers and technicians looking for a Mercedes-Benz 300D fuel pump relay, Mercedes-Benz 300SD relay, or Mercedes-Benz 380SL fuel pump relay.

This part cross-references Gates 19207 for the same application.

Common Problems This Relay Can Address

• Fuel pump not receiving power
• Intermittent engine start or no-start condition related to relay failure
• Fuel delivery interruption caused by worn relay contacts
• Electrical switching issues in the fuel pump circuit
• Replacement need for a relay with the correct terminal layout and voltage rating

Installation Notes and Tips

Verify the connector shape, terminal count, and terminal type before installation. Confirm the vehicle uses a 12 V system and a relay rated for 10 A. Match the OE number or stamping number when cross-checking Mercedes-Benz fuel pump relay applications, especially on 1976-1985 Mercedes-Benz 300D, 300SD, 300TD, 380SEC, 380SEL, 380SL, and 380SLC listings.

• Fits 1984-1985 Mercedes-Benz 380SL, N/A, OE No. 000 15 45 0605
• Fits 1978-1983 Mercedes-Benz 300SD, N/A, Stamping No. 000 15 45 0605
• Fits 1982-1983 Mercedes-Benz 380SEC, N/A, Stamping No. 000 15 45 0605
• Fits 1982-1983 Mercedes-Benz 380SEC, N/A
• Fits 1981-1983 Mercedes-Benz 380SEL, N/A
• Fits 1981-1983 Mercedes-Benz 380SL, N/A
• Fits 1977-1981 Mercedes-Benz 300D, N/A, Stamping No. 000 15 45 0605
• Fits 1980-1981 Mercedes-Benz 300TD, N/A, Stamping No. 000 15 45 0605
• Fits 1981 Mercedes-Benz 380SEL, N/A, Stamping No. 000 15 45 0605
• Fits 1981 Mercedes-Benz 380SLC, N/A
• Fits 1979 Mercedes-Benz 300TD, N/A
• Fits 1976 Mercedes-Benz 300D, N/A

Quality Assurance

Standard Ignition RY-191 is built to meet the electrical and connector requirements specified for the listed Mercedes-Benz applications. Use the OE number 000 154 506 05 and the vehicle fitment details above to confirm application before replacement.