Mercury outboard spare part 842739T13 (GEAR HOUSING ASSEMBLY Complete (Long)(1.75:1)(Black)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 225 HP Pro XS 6 CYL (3.0L), 250 HP Pro XS 6 CYL (3.0L), 250 L (3.0L), 200 EFI PRO MAX/SUPER MAG, 225 EFI PRO MAX/SUPER MAG, 300X (3.0L) PRO MAX. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 842739T13 (GEAR HOUSING ASSEMBLY Complete (Long)(1.75:1)(Black)), documented in 7 exploded diagram location(s), across the 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-DFI-OPTIMAX225-hp-pro-xs-6-cyl-3-0l1B104549 THRU 1B426560-1View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-pro-xs-6-cyl-3-0l1B426561 THRU 1B752546-1View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-pro-xs-6-cyl-3-0l1B752547 THRU 2B535608-1View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-pro-xs-6-cyl-3-0l1B426561 THRU 1B752546-1View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-pro-xs-6-cyl-3-0l1B752547 THRU 2B535608-1View
Mercury 2-STROKE-EFI250-l-3-0l0T861319 THRU 1B118897-1View
Mercury 2-STROKE-EFI300x-3-0l-pro-max0T235084 THRU 0T429939-1View

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Appears in diagrams of these models

  • 225 HP Pro XS 6 CYL (3.0L)
  • 250 HP Pro XS 6 CYL (3.0L)
  • 250 L (3.0L)
  • 200 EFI PRO MAX/SUPER MAG
  • 225 EFI PRO MAX/SUPER MAG
  • 300X (3.0L) PRO MAX