New Mercury 110–125 HP L4 Outboard Lower Unit 4-CYL – 3-Jaw / 6-Jaw (1988–2006) – New / Re-Manufactured image 0
New Mercury 110–125 HP L4 Outboard Lower Unit 4-CYL – 3-Jaw / 6-Jaw (1988–2006) – New / Re-Manufactured image 0

Mercury Outboard Lower Unit | 110–125 HP L4 | 3-Jaw & 6-Jaw

$2,829.00
$3,140.19
$2,829.00
(-10%)
SKU: ME-G4-02-N
Please hurry! Only 100 left in stock
Subtotal: $2,829.00
New Mercury 110–125 HP L4 Outboard Lower Unit 4-CYL – 3-Jaw / 6-Jaw (1988–2006) – New / Re-Manufactured image 0

Mercury Outboard Lower Unit | 110–125 HP L4 | 3-Jaw & 6-Jaw

$3,140.19 $2,829.00
New Mercury 110–125 HP L4 Outboard Lower Unit 4-CYL – 3-Jaw / 6-Jaw (1988–2006) – New / Re-Manufactured image 0

Mercury Outboard Lower Unit | 110–125 HP L4 | 3-Jaw & 6-Jaw

$3,140.19 $2,829.00
Product Type: New Lower Unit
HP/Shaft/Years/Ratio: 110-115-125 HP 3-JAW / L Shaft / 1988-1997

    Restore the reliable punch of your classic inline-four with this Premium Aftermarket Replacement gearcase. Specifically engineered for the legendary Mercury 110–125 HP L4 series, this unit is built to handle the unique torque curves of 4-cylinder 2-stroke outboards. Featuring heavy-duty internal gears and precision-machined clutch components, it ensures smooth gear engagement and maximum power transfer to your propeller, getting you back on the water with confidence.

    • Heavy-Duty Gearset: Precision-engineered to withstand the rigors of 110–125 HP output.

    • Corrosion Protection: Finished with a high-grade marine coating for saltwater durability.

    • Direct Fitment: Designed to meet or exceed OEM standards for a seamless installation process.

     

    • Brand: SEI
    • Part Number: SE90-205 (L4 series)
    • Engine Configuration: 4-Cylinder Inline (L4)
    • Horsepower Range: 110 HP, 115 HP, 125 HP
    • Year Range: 1988–2006
    • Clutch Type: 3-Jaw or 6-Jaw available
    • Rotation: Standard Right Hand (RH)
    • Condition: Brand New Aftermarket
    • Engine Type: Mercury 110 HP, 115 HP, and 125 HP 4-Cylinder L4 2-Stroke.
    • Clutch Options: * 3-Jaw Clutch: Typically fits models from 1988–1997.
    • 6-Jaw Clutch: Typically fits models from 1998–2006.
    • Shaft Lengths: Supports 20" (L) and 25" (XL) configurations.
    • Clutch Identification: You MUST verify if your current unit uses a 3-jaw or 6-jaw clutch before ordering, as they are not cross-compatible without shift-shaft modifications.
    • Tooth Count: Always confirm your vertical driveshaft tooth count and shaft length to ensure a perfect powerhead match.
    • Plastic Water Pumps: If your original unit utilized a plastic water pump housing, please contact us to verify specific fitment updates.

    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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