18-6406 Sierra Mercruiser U-Joint Assembly Manufacturer : Sierra Part Number: 18-6406 Condition: New Replaces: 865496A01, 865493A01 GKN new style with external clips. Fits: Alpha I Gen II 0L949779 & UP, Bravo 0M111208 & UP For: Mercruiser Vazer Cross References: SIE 6406, SIE18-6406, 0418-6406, 04186406, 18-6406 (verify fitment using your model or serial number)
