DOEL-FIN Model 183 Whale Tail Horizontal Stabilizer Mercury Outboard Blue Fin Trim & Tilt Wiring Harness and the 42259-C have 5-holes

and the 42259-C have 5-holes would be applicable to the late 80's and early 90's V-Engine boats that use the 4" Y-pipe

Quicksilver / Mercury / Mariner 24-80207M Starter Recoil Spring This is from the time of the Mariner / Yamaha designed outboards (15A 15hp / W15 {M & ML} 15hp)

Engine Lifting Rings

165 GM 250 I/L 6 1970-1978

DOEL-FIN Model 183 Whale Tail Horizontal Stabilizer Mercury Outboard Blue Fin Trim & Tilt Wiring Harness and the 42259-C have 5-holesPart Number(s) Included DOEL FIN Model 183 Lower Unit Gearcase Horizontal Stabilizer (Bolt On) General Application Compatibility (PLEASE SEE PHOTOS FOR DIMENSIONS, THE LIST COMPILED BELOW IS JUST WHAT IS ON THE PACKAGING WHICH I ASSUME IS FROM THE 1980's so and is likely not relevant to any outboard produced after 1980) If you are replacing the same type color of stabilizer the model number is printed on the edge of the fin. Eska 9. 9hp and 15hp