New Mercury 50–60 HP 3-Cylinder BIGFOOT Outboard Lower Unit (1991–2008) – Remanufactured – L Shaft image 0
New Mercury 50–60 HP 3-Cylinder BIGFOOT Outboard Lower Unit (1991–2008) – Remanufactured – L Shaft image 0

Mercury Bigfoot Lower Unit | 50–60 HP | 3-Cylinder L-Shaft

$2,689.00
$2,982.57
$2,689.00
(-10%)
SKU: ME-G3-04-R
Please hurry! Only 100 left in stock
Subtotal: $2,689.00
New Mercury 50–60 HP 3-Cylinder BIGFOOT Outboard Lower Unit (1991–2008) – Remanufactured – L Shaft image 0

Mercury Bigfoot Lower Unit | 50–60 HP | 3-Cylinder L-Shaft

$2,982.57 $2,689.00
New Mercury 50–60 HP 3-Cylinder BIGFOOT Outboard Lower Unit (1991–2008) – Remanufactured – L Shaft image 0

Mercury Bigfoot Lower Unit | 50–60 HP | 3-Cylinder L-Shaft

$2,982.57 $2,689.00
Product Type: Re-manufactured Lower Unit
HP/Shaft/Years/Ratio: 50-60 HP BIGFOOT / L Shaft / 1991-1997

    Restore the heavy-thrust performance and low-end torque of your pontoon or workboat with this Premium Aftermarket Replacement gearcase. Specifically engineered for the Mercury 3-Cylinder Bigfoot (High-Thrust) series, this unit features a larger housing and heavy-duty internals designed to swing the big props needed for heavy hulls. Whether you are pushing a commercial utility craft or a family pontoon, this gearcase delivers superior maneuverability and the rugged durability required for high-load applications.

    • High-Thrust Torque: Designed for heavy-displacement vessels that require maximum propulsion at lower speeds.

    • Heavy-Duty Construction: Built with high-strength alloys to withstand the stresses of commercial and utility use.

    • Reliable Restoration: A cost-effective way to get your 50–60 HP 3-Cylinder engine back to peak operating condition.

     

    • Brand: SEI
    • Part Number: SE90-205-BF
    • Horsepower: 50 HP, 60 HP
    • Engine Type: 3-Cylinder 2-Stroke (Bigfoot)
    • Year Range: 1991–2008
    • Shaft Length: 20" (L)
    • Gearcase Type: Bigfoot / High Thrust
    • Condition: Brand New Aftermarket
    • Engine Type: Mercury 50 HP and 60 HP 3-Cylinder 2-Stroke models.
    • Model Series: Fits Bigfoot (High-Thrust/Command Thrust) models only.
    • Year Range: 1991 – 2008.
    • Shaft Length: Supports 20" (L) Long Shaft configurations.
    • Bigfoot Only: This unit is NOT compatible with standard Mercury 50–60 HP small-diameter gearcases. It is strictly for the oversized Bigfoot housing.
    • Propeller Hub: Requires a Bigfoot-style propeller (4-1/4" to 4-3/4" gearcase diameter props). Standard propellers will not fit this unit.
    • Tooth Count: Always verify your vertical driveshaft tooth count and shaft length before ordering to ensure a perfect powerhead match.

    Mariners Warehouse vs Others

    Built to match OEM standards while delivering reliable performance and peace of mind.

    Features

    Mariners Warehouse

    Others
    Performance ✔️ ❌
    Warranty Support Reliable warranty Limited or unclear warranty terms
    Customer Trust Trusted by thousands of marine customers Unverified buyer trust
    Pre-tested before shipping for reliability ✔️ ❌
    OEM performance standards ✔️ ❌
    Simple return process ✔️ ❌

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