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NEW Aftermarket O-Ring Set
The earlier replacement parts numbers for these were 18-0612 Sierra / 809910 / 1409040
MerCruiser HEI Ignition Coil "Thunderbolt IV" 392-7803 392-7803A4
Oil Seal: 26-37448
unsure on the number
MerCruiser 815954-1 815954A7 XD Power Trim Cylinder Starboard Arm Alpha 1 Gen II Gimbal Parts NEW Aftermarket O-Ring SetItem Details Power Trim Cylinder For use with all MerCruiser Gen II Alpha One Units (1991 & Up) Regardless of Engine (2. 5L 120hp 3. 0L 140hp 4. 3L V6 5. 0L 305 V8 5. 7L 350 V8 etc) This is the Standard XD trim cylinder used with MerCruiser Gen II applications 1991 & Up Starboard Cylinder 815954 1 (Stamped) 815954A7 You will need to install your existing trim lines on these You will receive the one cylinder exactly as pictured. Purchase with
