SIERRA OMC Cobra Upper Unit Seal Kit – 18-2673

Description

SIERRA OMC Cobra Upper Unit Seal Kit – 18-2673

Sierra 18-2673 is a Upper unit seal kit engineered for the specified marine application. OMC Cobra upper gear housings, primarily 1986-1989 applications shown in Sierra charts; replaces OMC 984459, 986364 and 987603.

• Upper-unit seal kit for OMC Cobra stern drives.
• Replaces OMC 984459, 986364 and 987603.
• Sierra catalog application identifies all Cobra upper units for 1986-1989 within the relevant chart.
• Kit includes water-pump/cover gaskets, oil seals, drive gaskets and multiple O-rings.
• Pressure/vacuum test the drive after service and verify model-specific seal placement.

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, hoses or cable components when their condition requires it.

Specifications

• Manufacturer: Sierra
• Part Number: 18-2673
• Part Type: Upper unit seal kit
• Application: OMC Cobra upper gear housings, primarily 1986-1989 applications shown in Sierra charts; replaces OMC 984459, 986364 and 987603.
• Drive Family: OMC Cobra
• Service Area: Upper gear housing

Interchange / OEM References

• GLM: 87654
• OMC Stern Drive: 984459, 986364, 987603