New Mercury 75–90 HP 4-Cylinder 4-Stroke Outboard Lower Unit (2000–2006) – New / Re-manufactured image 0
New Mercury 75–90 HP 4-Cylinder 4-Stroke Outboard Lower Unit (2000–2006) – New / Re-manufactured image 0

Mercury Outboard Lower Unit | 75–90 HP | 4-Cylinder 4-Stroke

$2,559.00
$2,840.49
$2,559.00
(-10%)
SKU: ME-G4-08-R
Please hurry! Only 100 left in stock
Subtotal: $2,559.00
New Mercury 75–90 HP 4-Cylinder 4-Stroke Outboard Lower Unit (2000–2006) – New / Re-manufactured image 0

Mercury Outboard Lower Unit | 75–90 HP | 4-Cylinder 4-Stroke

$2,840.49 $2,559.00
New Mercury 75–90 HP 4-Cylinder 4-Stroke Outboard Lower Unit (2000–2006) – New / Re-manufactured image 0

Mercury Outboard Lower Unit | 75–90 HP | 4-Cylinder 4-Stroke

$2,840.49 $2,559.00
Product Type: Re-manufactured Lower Unit
HP/Shaft/Years/Ratio: 75-90 HP / L Shaft / 2000-2002

    Restoring your mid-range power shouldn't break the bank. This Premium Aftermarket Replacement gearcase is specifically engineered for Mercury 75 HP and 90 HP 4-stroke outboards, providing a heavy-duty alternative to expensive OEM units. Designed to handle the smooth, consistent torque of a 4-cylinder powerhead, this assembly ensures quiet gear operation and reliable thrust for everything from weekend cruising to light commercial use.

    • 4-Stroke Precision: Engineered to match the specific gear ratios and performance curves of the 2000–2006 series.

    • Corrosion Protection: Finished with high-grade marine coating to provide maximum longevity in salt and freshwater.

    • Ready for the Water: Precision-machined for a seamless installation, getting you back to the dock faster.

     

    • Brand: SEI
    • Part Number: SE90-205-4S
    • Horsepower Range: 75 HP, 90 HP
    • Engine Type: 4-Cylinder 4-Stroke
    • Year Range: 2000–2006
    • Shaft Lengths: 20" (L) / 25" (XL)
    • Rotation: Standard Right Hand (RH)
    • Condition: Brand New Aftermarket
    • Engine Type: Mercury 75 HP and 90 HP 4-Cylinder 4-Stroke.
    • Year Range: 2000 – 2006.
    • Shaft/Year Breakdown: * 2000–2002: 20" L-Shaft models.
    • 2003: 20" L-Shaft models.
    • 2004–2006: 20" L-Shaft and 25" XL-Shaft models.
    • Shaft Length: Available in 20" (L) and 25" (XL). Always verify your transom height and current driveshaft length before ordering.
    • Tooth Count: Confirm your vertical driveshaft spline count to ensure a perfect match with your powerhead crankshaft.
    • Non-Bigfoot: This is a standard gearcase replacement. If your engine is a "Bigfoot" or "Command Thrust" model, please contact us for the larger housing version.

    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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