Dimo Marine

34939SCREW (.250-20 x .500)

Fits models / variants:

Mercury outboard spare part 34939 (SCREW (.250-20 x .500)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 90 H.P. (1990), 35 H.P. (1989), 4 H.P. (1984), 90 H.P. (1991-1992), 90 H.P. (1991-1994), FORCE TRIM & TILT 35-75 HP (1984-1999), 5 H.P. (1998), FORCE TRIM & TILT 85-150 HP (1984-1999). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 34939 (SCREW (.250-20 x .500)), documented in 43 exploded diagram location(s), across the FORCE, SEARS series.

SeriesModelSerial rangeREFQtyDiagram
Mercury FORCE35-h-p-1989357F9A UP171View
Mercury FORCE35-h-p-1989357F9B UP171View
Mercury FORCE35-h-p-1989357P9A UP171View
Mercury FORCE35-h-p-1989357R9A UP171View
Mercury FORCE35-h-p-1989357X9B UP171View
Mercury FORCE35-h-p-1989357Y9A UP171View
Mercury FORCE35-h-p-1989357Y9B UP171View
Mercury FORCE35-h-p-1989C357F9A UP171View
Mercury FORCE4-h-p-198442C4L UP271View
Mercury FORCE4-h-p-198442F4A UP271View
Mercury FORCE4-h-p-198442FC4A UP271View
Mercury FORCE4-h-p-198442H4L UP271View
Mercury FORCE4-h-p-198442X4A UP271View
Mercury FORCE4-h-p-198442XC4A UP271View
Mercury FORCE4-h-p-198443C4L UP271View
Mercury FORCE4-h-p-198443H4L UP271View
Mercury FORCE5-h-p-19980E288000 THRU 0E34499992View
Mercury FORCE90-h-p-1990903F90A UP122View
Mercury FORCE90-h-p-1990903F90B UP122View
Mercury FORCE90-h-p-1990903F90C UP122View
Mercury FORCE90-h-p-1990903X90A UP122View
Mercury FORCE90-h-p-1990903X90B UP122View
Mercury FORCE90-h-p-1990903X90C UP122View
Mercury FORCE90-h-p-1990906A90A UP122View
Mercury FORCE90-h-p-1990906A90B UP122View
Mercury FORCE90-h-p-1990906A90C UP122View
Mercury FORCE90-h-p-1990906F90A UP122View
Mercury FORCE90-h-p-1990906F90B UP122View
Mercury FORCE90-h-p-1990906F90C UP122View
Mercury FORCE90-h-p-1990906X90A UP122View
Mercury FORCE90-h-p-1990906X90B UP122View
Mercury FORCE90-h-p-1990906X90C UP122View
Mercury FORCE90-h-p-1990908F90A UP122View
Mercury FORCE90-h-p-1990908F90B UP122View
Mercury FORCE90-h-p-1990908F90C UP122View
Mercury FORCE90-h-p-1990908X90A UP122View
Mercury FORCE90-h-p-1990908X90B UP122View
Mercury FORCE90-h-p-1990908X90C UP122View
Mercury FORCE90-h-p-1991-19921991E THRU 1992C27, 31, 47, 92, 1View
Mercury FORCE90-h-p-1991-19940E000001 THRU 0E09369927, 31, 47, 92, 1View
Mercury FORCEforce-trim-tilt-35-75-hp-1984-1999ALL UP29, 30, 342View
Mercury FORCEforce-trim-tilt-85-150-hp-1984-1999ALL UP23, 26, 27, 33, 382View
Mercury SEARS5-hp225 597500 UP92View

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Appears in diagrams of these models

  • 90 H.P. (1990)
  • 35 H.P. (1989)
  • 4 H.P. (1984)
  • 90 H.P. (1991-1992)
  • 90 H.P. (1991-1994)
  • FORCE TRIM & TILT 35-75 HP (1984-1999)
  • 5 H.P. (1998)
  • FORCE TRIM & TILT 85-150 HP (1984-1999)