SIERRA MerCruiser Drive Shaft Housing to Bell Housing Gasket – 18-2743

Description

SIERRA MerCruiser Drive Shaft Housing to Bell Housing Gasket – 18-2743

Sierra 18-2743 is a Drive-to-bell-housing gasket engineered for the specified marine application. MerCruiser R, MR, Alpha One and Alpha One Gen II drives from serial 6225577 and up, 1983 and later, using 27-94996-series drive-to-bell-housing gaskets.

• Drive-shaft-housing to bell-housing gasket for MerCruiser stern drives.
• Fits R, MR, Alpha One and Alpha One Gen II from serial 6225577 and up.
• Crosses to MerCruiser 27-94996, 27-949962 and 27-94996A20 references.
• Used at the outdrive/bell-housing interface and normally renewed whenever the drive is removed.
• Clean both mating surfaces and replace related O-rings at the same service interval.

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: 18-2743
• Part Type: Drive-to-bell-housing gasket
• Application: MerCruiser R, MR, Alpha One and Alpha One Gen II drives from serial 6225577 and up, 1983 and later, using 27-94996-series drive-to-bell-housing gaskets.
• Model Years: 1983 and later
• Serial Range: 6225577 and up

Interchange / OEM References

• GLM: 31141
• Mallory: 9-61012
• Mercruiser Stern Drive: 27-94996, 27-949962, 27-94996A20