Mercury outboard spare part 8M0185804 (REMAN LONG BLOCK V8 250/300). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 250 HP 4.6L V8 Pro XS, 250 HP 4.6L V8 SeaPro, 250 HP 4.6L V8 Verado, 250 HP 4.6L V8, 250R HP 4.6L V8 Racing, 300 HP 4.6L V8 CMS. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8M0185804 (REMAN LONG BLOCK V8 250/300), documented in 6 exploded diagram location(s), across the 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-EFI250-hp-4-6l-v82B529482 UP-1View
Mercury 4-STROKE-EFI250-hp-4-6l-v8-pro-xs2B529482 UP-1View
Mercury 4-STROKE-EFI250-hp-4-6l-v8-seapro2B529482 UP-1View
Mercury 4-STROKE-EFI250-hp-4-6l-v8-verado2B529482 UP-1View
Mercury 4-STROKE-EFI250r-hp-4-6l-v8-racing1E080500 UP-1View
Mercury 4-STROKE-EFI300-hp-4-6l-v8-cms2B529482 UP-1View

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Appears in diagrams of these models

  • 250 HP 4.6L V8 Pro XS
  • 250 HP 4.6L V8 SeaPro
  • 250 HP 4.6L V8 Verado
  • 250 HP 4.6L V8
  • 250R HP 4.6L V8 Racing
  • 300 HP 4.6L V8 CMS