Description

The Mercury MerCruiser Quicksilver Propeller Tab Washer 14-34817 is an OEM locking washer used to secure the propeller nut on compatible MerCruiser Bravo Two sterndrives. It sits between the propeller nut and aft thrust washer to help prevent the prop nut from backing off during operation.

Key Features

• Genuine Mercury/MerCruiser propeller tab washer
• Part number: 14-34817
• Also referenced as 34817
• Locks and secures the propeller nut
• Designed for MerCruiser Bravo Two sterndrives
• Marine-grade corrosion-resistant construction
• Helps protect the propeller assembly from loosening under vibration and load

Drive Compatibility

Designed for MerCruiser Bravo Two sterndrive propeller assemblies where tab washer 14-34817 is shown in the parts diagram.

Serial Number Fitment Notice

Verify fitment by drive serial number, propeller hardware stack-up, and parts diagram before ordering. Propeller hardware can vary by drive model, prop shaft, thrust washer, propeller style, and production range.

When This Part Needs Replacement

Replace this tab washer if it is bent, cracked, corroded, flattened, missing, or previously folded during propeller installation. Tab washers should be replaced when they no longer lock securely.

Installation Notes

Install in the correct position between the propeller nut and aft thrust washer. After torquing the prop nut to Mercury specifications, bend the locking tab as required to secure the nut. Inspect the prop shaft, thrust washers, nut, and propeller hub during service.

Alternate/Superseded Part Numbers

Primary Mercury references: 14-34817 and 34817.

Parts Desk Insight

Propeller lock hardware is inexpensive but important. Reusing a weakened tab washer can allow the prop nut to loosen, so replacing it during prop service is a smart precaution.

Shipping: Ships same or next day for fast Canada wide shipping.