Genuine 1170520374 Engine Timing Chain Guide Rail Pin

Brand	Genuine 1170520374
Fits	Mercedes-Benz · 39 vehicles

Timing chain guide rail pin. A direct-fit hardware piece for secure engine timing chain guidance.

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Mercedes-Benz Timing Chain Guide Rail Pin

This Genuine engine timing chain guide rail pin is a direct-fit hardware component for select Mercedes-Benz V8 applications. It is used in the cylinder head guide rail area and is listed for classic 1981-1991 Mercedes-Benz 380, 420, 500, and 560 models.

Key Features

Genuine part number 1170520374
Engine hardware for the timing chain guide rail assembly
Fits guide rails in the cylinder head
OE-style replacement for select Mercedes-Benz M117 and related V8 applications
Built for 1981-1991 Mercedes-Benz 380SL, 380SEL, 380SEC, 380SE, 380SLC, 420SEL, 500SEC, 500SEL, 560SL, 560SEC, and 560SEL applications

Detailed Description

Genuine part number 1170520374 is an engine timing chain guide rail pin for Mercedes-Benz vehicles that use guide rails in the cylinder head. This hardware is listed across multiple classic V8 models, including Mercedes-Benz 420SEL, 560SEC, and 560SEL applications, as well as 380, 500, and 560-series coupe, sedan, and SL models. If you are servicing the timing chain guide rail area on a compatible Mercedes-Benz engine, this part number 1170520374 provides the correct fitment reference for the listed vehicles.

This part cross-references no additional part numbers in the provided data.

Common Repair Uses

Replacing worn or damaged timing chain guide rail pin hardware
Servicing the cylinder head guide rail assembly
Addressing timing chain guide rail retention concerns
Restoring proper timing chain guide rail location during engine repair

Installation Notes

Verify engine code and vehicle application before installation. Confirm that the timing chain guide rail area in the cylinder head matches the listed fitment for your Mercedes-Benz model. Professional installation is recommended for timing system service, and all related components should be inspected for wear before reassembly.

Quality Assurance

Genuine OE-style replacement hardware for the listed Mercedes-Benz applications. Fitment includes 1981-1991 Mercedes-Benz 380SLC, 380SEL, 380SEC, 380SE, 380SL, 420SEL, 500SEC, 500SEL, 560SL, 560SEC, and 560SEL models.

This part fits 39 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Position	Notes
1991	Mercedes-Benz	420SEL	N/A	Guide rails in cylinder head
1991	Mercedes-Benz	560SEC	N/A	Guide rails in cylinder head
1991	Mercedes-Benz	560SEL	N/A	Guide rails in cylinder head
1990	Mercedes-Benz	420SEL	N/A	Guide rails in cylinder head
1990	Mercedes-Benz	560SEC	N/A	Guide rails in cylinder head
1990	Mercedes-Benz	560SEL	N/A	Guide rails in cylinder head
1989	Mercedes-Benz	420SEL	N/A	Guide rails in cylinder head
1989	Mercedes-Benz	560SEC	N/A	Guide rails in cylinder head
1989	Mercedes-Benz	560SEL	N/A	Guide rails in cylinder head
1989	Mercedes-Benz	560SL	N/A	Guide rails in cylinder head
1988	Mercedes-Benz	420SEL	N/A	Guide rails in cylinder head
1988	Mercedes-Benz	560SEC	N/A	Guide rails in cylinder head
1988	Mercedes-Benz	560SEL	N/A	Guide rails in cylinder head
1988	Mercedes-Benz	560SL	N/A	Guide rails in cylinder head
1987	Mercedes-Benz	420SEL	N/A	Guide rails in cylinder head
1987	Mercedes-Benz	560SEC	N/A	Guide rails in cylinder head
1987	Mercedes-Benz	560SEL	N/A	Guide rails in cylinder head
1987	Mercedes-Benz	560SL	N/A	Guide rails in cylinder head
1986	Mercedes-Benz	420SEL	N/A	Guide rails in cylinder head
1986	Mercedes-Benz	560SEC	N/A	Guide rails in cylinder head
1986	Mercedes-Benz	560SEL	N/A	Guide rails in cylinder head
1986	Mercedes-Benz	560SL	N/A	Guide rails in cylinder head
1985	Mercedes-Benz	380SE	N/A	Guide rails in cylinder head
1985	Mercedes-Benz	380SL	N/A	Guide rails in cylinder head
1985	Mercedes-Benz	500SEC	N/A	Guide rails in cylinder head
1985	Mercedes-Benz	500SEL	N/A	Guide rails in cylinder head; M117.963
1984	Mercedes-Benz	380SE	N/A	Guide rails in cylinder head
1984	Mercedes-Benz	380SL	N/A	Guide rails in cylinder head
1984	Mercedes-Benz	500SEC	N/A	Guide rails in cylinder head
1984	Mercedes-Benz	500SEL	N/A	Guide rails in cylinder head; M117.963
1983	Mercedes-Benz	380SEC	N/A	Guide rails in cylinder head
1983	Mercedes-Benz	380SEL	N/A	Guide rails in cylinder head
1983	Mercedes-Benz	380SL	N/A	Guide rails in cylinder head
1982	Mercedes-Benz	380SEC	N/A	Guide rails in cylinder head
1982	Mercedes-Benz	380SEL	N/A	Guide rails in cylinder head
1982	Mercedes-Benz	380SL	N/A	Guide rails in cylinder head
1981	Mercedes-Benz	380SEL	N/A	Guide rails in cylinder head
1981	Mercedes-Benz	380SL	N/A	Guide rails in cylinder head
1981	Mercedes-Benz	380SLC	N/A	Guide rails in cylinder head
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