SIERRA Mercury / Honda Gearcase Oil Seal – 18-2054

Description

SIERRA Mercury / Honda Gearcase Oil Seal – 18-2054

Sierra 18-2054 is a compact lower-unit oil seal used across selected Mercury, MerCruiser, Force and Honda applications. The seal measures 19.1 mm outside diameter for a 9.5 mm shaft and is also associated with later Sierra replacement number 18-8347.

• Compact marine oil seal for gearcase and drive service.
• Outside diameter: 19.1 mm (0.750 in).
• Shaft diameter: 9.5 mm (0.375 in).
• Seal width: 6.1 mm (0.243 in).
• Cross-reference the original seal number and dimensions because several similar seals are used in the same drive families.

For marine drive and engine service parts, fitment can vary by model, serial number, gear ratio, casting and prior service history. Compare the original OEM number and physical configuration before installation, and replace related seals, bearings, locking hardware or cable components when their condition requires it.

Specifications

• Manufacturer: Sierra
• Part Number: 18-2054
• Application: Selected Mercury Marine, MerCruiser, Force/Chrysler and Honda marine applications using the listed OEM references.
• Outside Diameter: 19.1 mm (0.750 in)
• Shaft Diameter: 9.5 mm (0.375 in)
• Width: 6.1 mm (0.243 in)
• Related Sierra Number: 18-8347

Interchange / OEM References

• Chrysler / Force: 26-8164641
• GLM: 85581
• Honda Marine: 91253-ZW1-003
• Mallory: 9-76116
• MerCruiser Stern Drive: 26-8164641
• Mercury Marine: 26-76384, 26-816464, 26-8164641