Evinrude & Johnson Lower Unit

Secure Checkout

Fast Shipping

3 Year Warranty

Secure Checkout

Fast Shipping

3 Year Warranty

Secure Checkout

Fast Shipping

3 Year Warranty

Secure Checkout

Fast Shipping

3 Year Warranty

Evinrude & Johnson Lower Unit

Browse aftermarket Evinrude and Johnson outboard lower units (gearcases), built as direct replacements for classic and modern Evinrude/Johnson 2-stroke and E-TEC outboard engines. From small-block models to high-horsepower V4 and V6 applications, our lower unit replacements restore proper gear ratio, smooth shifting, and reliable water pump operation.

Each Evinrude Johnson lower unit listed here is manufactured to OEM fit and performance specs, available in the correct shaft length and rotation for your engine. Whether you're repairing storm/impact damage or doing a routine gearcase rebuild, find the right match by HP range and model year below, with warranty coverage included.

Sidebar
Filter
  • 10
  • 15
  • 20
  • 25
  • 30
  • 50
  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
Sort

Sort by:

  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
  • SE304 V4 Lower Unit | Johnson Evinrude Replacement | 1978-1998

    SE304 V4 Lower Unit | Johnson Evinrude Replacement | 1978-1998 SKU: ST-90-304-A

    $1,195.00
    $1,326.45
    $1,195.00
    (-10%)
    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...
    $1,195.00
    $1,326.45
    $1,195.00
    (-10%)
  • SE305 V4 Lower Unit | 90-305-A | Johnson Evinrude 75-130HP

    SE305 V4 Lower Unit | 90-305-A | Johnson Evinrude 75-130HP SKU: ST-90-305-A

    $1,195.00
    $1,326.45
    $1,195.00
    (-10%)
    Don't let a blown gearcase keep you off the water. This Premium Aftermarket Replacement for Johnson/Evinrude V4 outboards delivers reliable power with a robust 4-1/8" bullet diameter and high-flow external water screens for optimal cooling. Coastal Cruising: Engineered for consistent saltwater durability and corrosion...
    $1,195.00
    $1,326.45
    $1,195.00
    (-10%)
  • SE306 V4 Large Case Lower Unit | 90-306-C | Johnson Evinrude 90-140HP

    SE306 V4 Large Case Lower Unit | 90-306-C | Johnson Evinrude 90-140HP SKU: SE90-306-C

    $1,195.00
    $1,326.45
    $1,195.00
    (-10%)
    Restore maximum reliable power to your vessel with this Premium Aftermarket Replacement for Johnson and Evinrude V4 Large Case outboards. Engineered with high-flow Ocean Pro style water intakes and a precision 2.25:1 Gear Ratio, the SE306 is built to handle high-torque demands while maintaining...
    $1,195.00
    $1,326.45
    $1,195.00
    (-10%)
  • SE306 V6 Lower Unit | 90-306-B | Johnson Evinrude 1.83:1

    SE306 V6 Lower Unit | 90-306-B | Johnson Evinrude 1.83:1 SKU: SE90-306-B

    $1,195.00
    $1,326.45
    $1,195.00
    (-10%)
    Is a damaged gearcase keeping your V6 outboard off the water? Restore your engine's reliability with this Premium Aftermarket Replacement lower unit. Engineered with a heavy-duty 4-3/4" bullet diameter and high-flow Ocean Pro style water intakes, this gearcase delivers optimal cooling and consistent power...
    $1,195.00
    $1,326.45
    $1,195.00
    (-10%)
  • SE308 Counter Rotation Unit | 90-308-B | Johnson Evinrude

    SE308 Counter Rotation Unit | 90-308-B | Johnson Evinrude SKU: ST-90-308-B

    $1,395.00
    $1,548.45
    $1,395.00
    (-10%)
    Stop letting gearcase failure ground your twin-engine setup. This Premium Aftermarket Replacement for Johnson and Evinrude outboards delivers precision handling with a 1.83:1 Gear Ratio and a dedicated Counter-Rotation design to get you back on the water quickly and reliably. Transitioning to a sleek,...
    $1,395.00
    $1,548.45
    $1,395.00
    (-10%)
  • SE316 Magnum Lower Unit | 90-316-A | Johnson Evinrude 1.85 Gear Ratio

    SE316 Magnum Lower Unit | 90-316-A | Johnson Evinrude 1.85 Gear Ratio SKU: ST-90-316-A

    $1,395.00
    $1,548.45
    $1,395.00
    (-10%)
    Don't let a failing gearcase keep your high-horsepower outboard off the water. This Premium Aftermarket Replacement for Magnum and Mag II lower units delivers heavy-duty reliability with a precision 1.85:1 Gear Ratio and a sleek Black Finish for seamless integration and maximum propulsion. High-Speed...
    $1,395.00
    $1,548.45
    $1,395.00
    (-10%)
  • SE318 Magnum Counter Rotation Unit | Johnson Evinrude | 90-318-A | 1.85 Gear Ratio

    SE318 Magnum Counter Rotation Unit | Johnson Evinrude | 90-318-A | 1.85 Gear Ratio SKU: ST-90-318-A

    $1,645.00
    $1,825.95
    $1,645.00
    (-10%)
    Stop letting gearcase failure compromise your twin-engine performance. This Premium Aftermarket Replacement for Johnson and Evinrude Magnum and Mag II outboards delivers balanced, reliable power with a precision 1.85:1 Gear Ratio and a dedicated Counter-Rotation design. Coated in a heavy-duty Corrosion-Resistant Black Finish, this...
    $1,645.00
    $1,825.95
    $1,645.00
    (-10%)

Recently Viewed Products