-40%

1643-9539-C 9539A5 Mercury Outboard Lower Unit Gearcase Assembly 35-50 HP 20"

$ 316.77

Availability: 70 in stock
  • Gearcase Casting Number: 1643-9539-C (aka 1643-9539T1)
  • 20-inch Standard Long Shaft Length: For Boats with an approx. 20" Length Transom
  • Stroke: 2-Stroke
  • Drive Shaft: 11-teeth / 11-spline
  • Engine(HP): 35-50HP Range, various models
  • MICHIGAN FRESHWATER MARINE: MFM Customer Service (616) 682-1560
  • MFM RETURN POLICY (For ALL Returns, Regardless of Reason): Buyer to Pay Return Shipping Costs and a 20% Return Fee
  • Condition: Very Good Previously Owned Condition. Shifts smoothly and correctly. Minor edge wear on skeg (see pics). From a Low Hour Freshwater Used Only 1987 Mercury 35hp 35ELO 2-Stroke 2-Cylinder 20-inch Standard Long Shaft Outboard Motor.
  • Country/Region of Manufacture: United States
  • Gear Housing Assembly Part No. 9539A5: Superseded Part Numbers::7406A15, 7406A35, 6459A11
  • Brand: Mercury / Mariner
  • Gear Housing Part Number 9539T1: SS Part Numbers: 9539A1, 7406A16, 6459A3
  • Propeller Shaft: 13-teeth/ 13-spline
  • Manufacturer Part Number: 9539A5 1643-9539
  • From Model Group 1035717: Serial No. 0B189158
  • From a Low Hour Freshwater Used Motor: 1987 Mercury 35ELO 35hp 2-cylinder 2-stroke
  • Driveshaft Measures about 22-1/4 inches: From Gearcase Mating surface to tip of driveshaft

    Description

    MICHIGAN FRESHWATER MARINE
    High Quality
    Previously-Owned
    Boat Parts
    From Freshwater Boat Motors
    --hence, No Salt Corrosion!
    COMPLETE Mercury Outboard Lower Unit Gearcase Assembly
    From a Low Hour, Freshwater used only, 1987 35HP Mercury
    Outboard
    Motor
    2-cylinder 2-stroke 20" Standard Long Shaft Electric Start /Carbureted Model)
    Model No. 35ELO  | Model Group 1035717 |  Serial No. 0B189158
    Shifts smoothly and correctly
    Casting Number 1643-9539-C
    Gearcase Assembly Part No. 9539A5 (Interchangeable part numbers: 7406A15, 7406A35, 6459A11)
    Gear Housing Part No. 9539T1 (ss'd P/N: 9539A1, 7406A16, 6459A3)
    Some minor edge wear on skeg (please see photos)
    Prior owner had drilled holes for a whale tail
    Some paint wear, as expected from use
    13-teeth spline propeller shaft
    11-teeth spline drive shaft
    Drive Shaft measures about 22-1/4" from top of Gear Housing mating surface to tip of Driveshaft pin
    IMPORTANT NOTE: As required for shipping, the Gear Oil was drained.  Fluids were found to be free of foam, water or any other contaminants. Buyer MUST replenish the Gear Oil prior to placing this unit back into service. Seller also recommends replacing the water pump impeller before returning to use.
    FITMENT:
    Will fit Various (Not All) Mercury and Mariner
    Outboard
    Models
    , 1980-1993,
    35, 40, 45, and 50HP,
    2-Cylinder Models.
    If you are unsure whether this will fit your specific motor, please Message us with your Motor Model Number, PRIOR to purchasing.
    FREE SHIPPING
    Ships ONLY to the Lower 48 USA States
    Protectively
    shipped in a Custom-Built Wooden Box Crate
    MFM RETURN POLICY (For ALL Returns, Regardless of Reason)
    By purchasing this item, Buyer confirms agreement with MFM's Return Policy
    MFM Accepts Pre-Authorized Returns
    Buyer pays Return Shipping and 20% Return Fee
    INV# 1975