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

$1,195.00
$1,326.45
$1,195.00
(-10%)
SKU: SE90-306-C
Key Features :
  • Features Ocean Pro Style Intakes
  • Precision 2.25:1 Gear Ratio Performance
  • Backed By 3-Year Fault-Free Warranty
Please hurry! Only 98 left in stock
Subtotal: $1,195.00
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

$1,326.45 $1,195.00
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

$1,326.45 $1,195.00

    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 optimal running temperatures.

    • Coastal Cruising: Durable construction and black finish resist harsh saltwater environments.

    • Repower & Restoration Projects: The definitive, cost-effective fix for reviving 1984-2012 V4 outboards.

    • Brand: SEI
    • Part Number: SE306 (90-306-C)
    • Cross-Reference/OEM: Premium Aftermarket Replacement for Johnson/Evinrude V4
    • Engine Compatibility: V4 Large Case (90HP - 140HP)
    • Year Range: 1984–2012
    • Gear Ratio: 2.25:1
    • Physical Specs: Ocean Pro style water intakes, Painted Black
    • Fits Johnson/Evinrude V4 Large Case outboards from 1984–2012 (90HP, 100HP, 105HP, 115HP, 120HP, 125HP, 130HP, and 140HP).
    • Thrust Washer Upgrade: You MUST use a 1991 or newer prop thrust washer. For 3-blade OMC props, use part #98-306-40. For 4-blade props, use OEM #0126869.
    • Driveshaft Requirement: This unit does NOT include the upper driveshaft. You must use the newer-style driveshaft with a retaining clip. If your old unit uses a one-piece shaft, an upper driveshaft upgrade is mandatory.
    • Missing Components: A water pump kit and shift shaft are NOT included. You will need to reuse your existing shift shaft and adjust it upon installation.

    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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