SE304 V4 Lower Unit | Johnson Evinrude Replacement | 1978-1998

SE304 V4 Lower Unit | Johnson Evinrude Replacement | 1978-1998

$1,195.00
$1,326.45
$1,195.00
(-10%)
SKU: ST-90-304-A
Key Features :
  • Corrosion Resistant Black Finish
  • High Flow Internal Water Screens
  • 3-Year Fault-Free Warranty
Please hurry! Only 99 left in stock
Subtotal: $1,195.00
SE304 V4 Lower Unit | Johnson Evinrude Replacement | 1978-1998

SE304 V4 Lower Unit | Johnson Evinrude Replacement | 1978-1998

$1,326.45 $1,195.00
SE304 V4 Lower Unit | Johnson Evinrude Replacement | 1978-1998

SE304 V4 Lower Unit | Johnson Evinrude Replacement | 1978-1998

$1,326.45 $1,195.00

    Stop hunting for obsolete parts and get back on the water with this Premium Aftermarket Replacement for Johnson/Evinrude V4 Gearcases. This SE304 unit is the definitive solution for restoring power to early-model outboards, featuring a heavy-duty 4-1/8" bullet diameter and high-flow internal water screens for superior cooling performance.

    • River Running & Flats Fishing: Durable construction handles shallow water demands.

    • Restoration Projects: Perfect for 85HP–140HP vintage outboard repower.

    • Offshore Performance: Precision-cut gears with a 2.0:1 Gear Ratio for reliable torque.

    • Brand: SEI
    • Part Number: SE304
    • Cross-Reference: 90-304-A / OEM Replacement
    • Engine Compatibility: Johnson / Evinrude V4
    • Year Range: 1978–1998
    • Gear Ratio: 2.0:1
    • Bullet Diameter: 4-1/8"
    • Drive-shaft: Requires newer style stub-shaft with clip
    • Engine Fitment: Early style Johnson/Evinrude V-4 outboards (1978–1998).
    • Horsepower Range: Compatible with 85HP, 88HP, 90HP, 100HP, 110HP, 112HP, 115HP, 120HP, 125HP, and 140HP models.
    • Shaft Configuration: Does NOT include the upper drive-shaft or shift shaft. If your old unit uses a one-piece shaft, a newer stub-shaft conversion is required.
    • Water Pump: Unit is shipped without a water pump kit; must be purchased separately.
    • Model Verification: Ensure your unit has a 4-1/8" bullet diameter and a pointed cavitation plate before ordering.

    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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