SIERRA Mercury / MerCruiser Prop Nut Kit, 75 HP+ / Alpha / Bravo – 18-3701

Description

SIERRA Mercury / MerCruiser Prop Nut Kit, 75 HP+ / Alpha / Bravo – 18-3701

Sierra 18-3701 is a Propeller nut kit engineered for the specified marine application. Mercury/Mariner outboards 75 HP and higher (except specified 225 EFI four-stroke applications) plus MerCruiser Alpha One and Bravo drive propeller installations.

• Propeller retention hardware kit for specified Mercury/Mariner and MerCruiser prop shafts.
• Cataloged for 75 HP-and-larger Mercury/Mariner outboards with noted exceptions, plus Alpha One and Bravo drives.
• Common interchange includes Mercury/MerCruiser 11-52707Q1.
• Provides the nut and associated locking hardware needed to retain the propeller on the shaft.
• Confirm propeller hub system, shaft spline and existing hardware because Flo-Torq and conventional hubs can use different components.

Fitment for marine engine and drive service parts can vary by model, serial number, gearcase, cooling configuration and prior component supersessions. Compare the original OEM number and physical configuration before installation, and renew related seals, locking hardware or adjacent wear items when their condition requires it.

Specifications

• Manufacturer: Sierra
• Part Number: 18-3701
• Part Type: Propeller nut kit
• Application: Mercury/Mariner outboards 75 HP and higher (except specified 225 EFI four-stroke applications) plus MerCruiser Alpha One and Bravo drive propeller installations.
• Application: Mercury/Mariner 75 HP+; MerCruiser Alpha/Bravo

Interchange / OEM References

• Mercury Marine: 11-52707Q1