Febi 34452 Diesel Glow Plug Relay

Febi 34452 Diesel Glow Plug Relay

Febi 34452 is a diesel glow plug relay for Mercedes-Benz diesel applications that require reliable preheat control. With compact dimensions of 49.0 mm high, 110.0 mm long, and 89.0 mm wide, this relay is built to match the space and electrical demands of the listed vehicles.

Key Features

• Diesel glow plug relay for emission control system service
• Febi part number 34452 for direct catalog identification
• Dimensions: 49.0 mm height, 110.0 mm length, 89.0 mm width
• Cross-reference application support for select Mercedes-Benz OE numbers
• Fits multiple Mercedes-Benz E300 and 300-series diesel models

Fitment Details

• Fits 1996-1997 Mercedes-Benz E300, N/A, for SA Code: 806
• Fits 1995 Mercedes-Benz E300, N/A
• Fits 1992-1993 Mercedes-Benz 300SD, N/A
• Fits 1991 Mercedes-Benz 350SD, N/A
• Fits 1990-1991 Mercedes-Benz 350SDL, N/A
• Fits 1987 Mercedes-Benz 300D, N/A, from chassis no.: A 820077

Detailed Description

Febi 34452 is a diesel glow plug relay used to control glow plug operation during cold starts on select Mercedes-Benz diesel vehicles. This relay is listed for 1996-1997 Mercedes-Benz E300 with SA Code 806, 1995 Mercedes-Benz E300, 1992-1993 Mercedes-Benz 300SD, 1991 Mercedes-Benz 350SD, 1990-1991 Mercedes-Benz 350SDL, and 1987 Mercedes-Benz 300D from chassis no. A 820077. The part number 34452 is also useful when cross-checking service records or ordering against OE references.

This part cross-references Mercedes-Benz OE numbers 007 545 16 32 and 012 545 90 32 for the same application.

Common Issues This Part May Address

• Hard starting during cold weather on Mercedes-Benz diesel engines
• Glow plugs not receiving proper relay control
• Extended cranking before the engine fires
• Intermittent preheat operation on diesel start-up
• Faults traced to the glow plug relay circuit

Installation Notes and Tips

Verify the vehicle’s year, model, and listed notes before ordering, especially SA Code 806 on 1996-1997 E300 applications and chassis no. A 820077 on the 1987 300D. Compare the original relay’s dimensions and connector layout to Febi 34452 before installation. Confirm the glow plug system, wiring, and related fuses are in good condition so the replacement relay can operate correctly.

Quality Assurance

Febi is an established aftermarket brand known for OE-style replacement parts across European vehicle systems. Febi 34452 is cataloged for direct application matching on the listed Mercedes-Benz diesel models.