Mercury outboard spare part 8558432 (PUMP ASSEMBLY). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 135 HP V6 CYL (2.5L), 150 HP V6 CYL (2.5L), 200 HP XS 6 CYL (2.5L), 175 HP V6 CYL (2.5L), 225 HP Pro XS 6 CYL (3.0L), 200 HP 6 CYL (3.0L), 225 HP 6 CYL (3.0L), 250 HP Pro XS 6 CYL (3.0L), 110 Jet (2.5L), 115 HP V6 CYL (2.5L), 175 HP Pro XS 6 CYL (2.5L), V-150 HP (2.5L). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8558432 (PUMP ASSEMBLY), documented in 23 exploded diagram location(s), across the 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-DFI-OPTIMAX115-hp-v6-cyl-2-5l0G960500 THRU 0T178499141View
Mercury 2-STROKE-DFI-OPTIMAX135-hp-v6-cyl-2-5l0G590000 THRU 0G760299151View
Mercury 2-STROKE-DFI-OPTIMAX150-hp-v6-cyl-2-5l0G590000 THRU 0G760299151View
Mercury 2-STROKE-DFI-OPTIMAX150-hp-v6-cyl-2-5l0G760300 THRU 0G960499151View
Mercury 2-STROKE-DFI-OPTIMAX150-hp-v6-cyl-2-5l0G960500 THRU 0T178499151View
Mercury 2-STROKE-DFI-OPTIMAX150-hp-v6-cyl-2-5l0T178500 THRU 0T800999151View
Mercury 2-STROKE-DFI-OPTIMAX150-hp-v6-cyl-2-5l0T801000 THRU 1B226999151View
Mercury 2-STROKE-DFI-OPTIMAX150-hp-v6-cyl-2-5l1B227000 THRU 1B417701151View
Mercury 2-STROKE-DFI-OPTIMAX150-hp-v6-cyl-2-5l1B417702 THRU 1B580029151View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-pro-xs-6-cyl-2-5l1B516339 THRU 2B535624291View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l0T178500 THRU 0T800999131View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l0T801000 THRU 1B226999291View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l1B227000 THRU 1B417701291View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0T178500 THRU 0T598999121View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0T599000 THRU 0T800999121View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-xs-6-cyl-2-5l0T235000 THRU 0T818180151View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0T178500 THRU 0T598999121View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0T599000 THRU 0T800999121View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-pro-xs-6-cyl-3-0l1B104549 THRU 1B426560151View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-pro-xs-6-cyl-3-0l1B426561 THRU 1B752546151View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-pro-xs-6-cyl-3-0l1B752547 THRU 2B535608151View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-pro-xs-6-cyl-3-0l1B752547 THRU 2B535608151View
Mercury 2-STROKE-EFIv-150-hp-2-5l0T409000 THRU 0T800999121View

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Appears in diagrams of these models

  • 135 HP V6 CYL (2.5L)
  • 150 HP V6 CYL (2.5L)
  • 200 HP XS 6 CYL (2.5L)
  • 175 HP V6 CYL (2.5L)
  • 225 HP Pro XS 6 CYL (3.0L)
  • 200 HP 6 CYL (3.0L)
  • 225 HP 6 CYL (3.0L)
  • 250 HP Pro XS 6 CYL (3.0L)
  • 110 Jet (2.5L)
  • 115 HP V6 CYL (2.5L)
  • 175 HP Pro XS 6 CYL (2.5L)
  • V-150 HP (2.5L)