We recently acquired a large inventory of overstock items. These items are missing the manufacturer’s original packaging. They may also have minor cosmetic blemishes from storage (See Photos).

Mercury Marine Part Numbers: 8M0228079 / 8M0236416 / 8M0185980 / 8M0147047
Interchange Note: All four part numbers are fully functional direct factory replacements for one another and represent the identical physical component.
Chronological Part Supersessions: 8M0228079 (Number in title) → 8M0236416 (Current / Latest Part Number)
Compatible 4.6L V8 4-Stroke Engines: 200 HP Pro XS, 225 HP Pro XS, 225 HP SeaPro, 250 HP, 250 HP Pro XS, 250 HP SeaPro, 250 HP Verado, 250R Racing, 300 HP Pro XS, 300 HP SeaPro, and 300R Racing.
Compatible 3.4L V6 4-Stroke Engines: 175 HP, 175 HP Pro XS, 200 HP, 200 HP SeaPro, 200R HP Racing, and 225 HP.
Fitment Requirements: Fits USA Serial Range 2B529482 & Up and Mercury Racing Serial Range 1E080500 & Up.
Gearcase Compatibility: Engineered strictly for standard Extra Long (XL) gearcase configurations featuring a 4.8" Torpedo.
Important Hardware Note: This listing is for the aluminum spacer block housing only and does not inherently include internal driveshaft extension links, shift shafts, or mounting bolts.
Product Function: Provides 5 inches of midsection housing extension to adjust the shaft length configuration on select outboard legs.
Finish: Factory Silver paint.