Total Price:
Add to CartUsed to Verify Engine Alignment On:
Interchangeable With:
What is the Sierra 18-4442 MerCruiser Alpha One Engine Alignment Tool?
The Sierra 18-4442 is an engine alignment tool used to verify engine alignment on compatible marine drive systems. It is specified for MC-I, R-MR, Alpha 1, Alpha One/Gen 2, Bravo, and OMC Cobra drives.
What drives can the Sierra 18-4442 engine alignment tool be used with?
The Sierra 18-4442 is used to verify engine alignment on all MC-I, R-MR, Alpha 1, Alpha One/Gen 2, and Bravo drives, as well as all OMC Cobra drives listed in the product description.
What is the Sierra 18-4442 engine alignment tool used for?
The Sierra 18-4442 is used to verify engine alignment on the specified marine drive applications. The product description does not provide detailed operating or installation instructions, so follow the applicable equipment service information when using the tool.
What MerCruiser part numbers are interchangeable with the Sierra 18-4442?
The Sierra 18-4442 is interchangeable with MerCruiser OEM part numbers 91-805475A1, 91-57797A3, 91-37384, 91-48247, 91-8M0067546, 91-57797A2, and 9157797A1.
What other part numbers are interchangeable with the Sierra 18-4442?
The Sierra 18-4442 is also interchangeable with GLM 90050 and Mallory 9-79800. Compare your existing tool or part number with the listed interchangeable numbers before purchasing to help confirm compatibility.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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