U Joint Heavy Duty | Sierra 18-2174 OB Gear Lube Replaces Mercury 805536A2

Replaces Mercury 805536A2

(1) RCMB Rear Cap

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U Joint Heavy Duty | Sierra 18-2174 OB Gear Lube Replaces Mercury 805536A2U Joint Heavy Duty Sierra 18 2174 U Joint Heavy Duty Sierra 18 2174 Replacement heavy duty U joint with internal retaining clips for various Mercruiser, OMC & Volvo Penta stern drives. Sierra heavy duty U joint Fits Mercruiser Alpha 1 units from s n B418818 and above Also fits Alpha One SS and Bravo Fits OMC Cobra and King Cobra from 1990 and up Rockwell Uses internal retaining clips Includes both straight and 90 degree grease fitting Replaces