Service kit includes replacement exhaust bellows, u-joint bellows, gimbal bearing, & o-rings for Volvo Penta & OMC SX cone clutch stern drives.
- Sierra SX transom seal kit
 - For OMC and Volvo Penta SX stern drives
 - Not for SX-A drives
 - Contains gimbal bearing, exhaust bellows, u-joint bellows, water seal and hose clamp
 - Water intake hose not included – hoses differ between models
 - Replaces Mallory 9-72931
 - Replaces Sierra 18-2772, 18-2786
 
