Premium U-Joint Driveshaft Assembly for Volvo Penta SX DP-SM & OMC Cobra Post-1994 Sterndrives | Replaces OEM 3860842, 3852384, Sierra 18-2339 | Heavy-Duty Marine Grade Steel

["BUILT TO LAST IN HARSH ENVIRONMENTS: Constructed from heavy-duty, marine-grade machined steel, this premium aftermarket U-Joint assembly is engineered to withstand extreme aquatic conditions, resist corrosion, and deliver reliable power transfer.","DIRECT OEM CROSS-REFERENCE: Precision-designed as an exact replacement for Volvo Penta and OMC original equipment part numbers 3860842, 3852384, 3852384-1, 3855714, and 21161267. Also replaces aftermarket Sierra 18-2339 and GLM 28318.","ENGINE DISPLACEMENT FITMENT: Highly compatible with a wide range of engine block sizes including 3.0L, 4.3L, 5.0L, 5.7L, 5.8L, and 8.2L paired with applicable Volvo Penta (SX, SX-A, SX-M, DP-SM, DPS) and OMC Cobra outdrives.","VERIFY YOUR DRIVE GENERATION: Designed specifically for post-1994 GKN-style sterndrives. Important Compatibility Note: This assembly will not fit older OMC King Cobra models or early pre-1994 OMC dog-clutch drives. Always confirm your outdrive serial number.","INSTALLATION SPECIFICATIONS: This product provides the core heavy-duty U-joint assembly required for your drivetrain rebuild. Please note that gimbal bearing O-rings and shaft seals are not included and must be ordered separately."]