SIERRA MerCruiser / OMC / Volvo Penta Engine Alignment Tool – 18-4442

Description

SIERRA MerCruiser / OMC / Volvo Penta Engine Alignment Tool – 18-4442

Sierra 18-4442 is a sterndrive engine alignment tool for Engine-to-drive coupler alignment checks on MerCruiser MC-I, R/MR, Alpha One, Alpha One Gen II and Bravo installations, OMC Cobra, and compatible Volvo SX/DP-SM applications where the listed tool references apply.

• Long alignment mandrel verifies engine/coupler alignment before sterndrive installation.
• Common interchanges include GLM 90050, Mallory 9-79800 and numerous MerCruiser 91-series alignment-tool references.
• Proper alignment protects the engine coupler, gimbal bearing and drive input shaft from premature wear; recheck after mount or gimbal-bearing work.
• Designed as a direct marine-service replacement where the listed Sierra/OEM reference is specified.
• Compare the original part number, dimensions and assembly configuration before installation.

Fitment for marine engine and drive service parts can vary by model, serial number, drive/gearcase, cooling configuration and prior OEM supersessions. Compare the original OEM number and physical configuration before installation, and follow the applicable manufacturer service procedure and torque specifications.

Specifications

• Manufacturer: Sierra
• Part Number: 18-4442
• Part Type: Sterndrive engine alignment tool
• Application: Engine-to-drive coupler alignment checks on MerCruiser MC-I, R/MR, Alpha One, Alpha One Gen II and Bravo installations, OMC Cobra, and compatible Volvo SX/DP-SM applications where the listed tool references apply.
• Use: Engine coupler / gimbal alignment
• Drive Families: MerCruiser MC-I / R-MR / Alpha / Bravo; OMC Cobra; compatible Volvo SX/DP-SM

Interchange / OEM References

• MerCruiser: 91-37384, 91-48247, 91-57797A1, 91-57797A2, 91-57797A3, 91-805475A1, 91-8M0067546
• GLM: 90050
• Mallory: 9-79800
• Volvo Penta: 3851083