Stern Drive Complete Unit Complete2 1.65 Ratio Dual Water Pickup Side Low Inlets - Mariners Warehouse
Stern Drive Complete Unit Complete2 1.65 Ratio Dual Water Pickup Side Low Inlets - Mariners Warehouse

Mercruiser Bravo SE 121 Complete Unit | 1.36 Ratio | Side Water Inlet

$3,595.00
$3,990.45
$3,595.00
(-10%)
SKU: SE90-121-01C, SE90-121-02
Key Features :
  • Precision-Engineered 1.36 Gear Ratio
  • Optimized Side Water Inlet Flow
  • High-Torque Performance Reliability
Please hurry! Only 100 left in stock
Subtotal: $3,595.00
Stern Drive Complete Unit Complete2 1.65 Ratio Dual Water Pickup Side Low Inlets - Mariners Warehouse

Mercruiser Bravo SE 121 Complete Unit | 1.36 Ratio | Side Water Inlet

$3,990.45 $3,595.00
Stern Drive Complete Unit Complete2 1.65 Ratio Dual Water Pickup Side Low Inlets - Mariners Warehouse

Mercruiser Bravo SE 121 Complete Unit | 1.36 Ratio | Side Water Inlet

$3,990.45 $3,595.00

    Restore dependable sterndrive power with this premium aftermarket complete drive assembly engineered for high-performance marine systems. This complete unit features a standard 1.36 gear ratio configuration combined with side water inlets only to optimize cooling efficiency and water intake volume. Manufactured for structural integrity in demanding environments, it ensures smooth power delivery and durability for marine engines rated up to 425HP.

    Ideal Applications

    • High-Horsepower Stern Drive Maintenance

    • Runabout and Cruiser Propulsion Replacement

    • Standard Bravo One System Restoration

    • Brand: SEI Marine Products
    • Part Number: Complete2 (Kit components: 90-121-01C / 90-121-02)
    • OEM / Cross-Reference: 5120136KZ
    • Engine Compatibility: Bravo One (Standard Models)
    • Physical Specifications: 1.36 Gear Ratio, side water inlets
    • Maximum Horsepower: 425 HP
    • Drive Type: Complete Stern Drive Unit
    • Fits applications requiring a 1.36 gear ratio
    • Premium aftermarket replacement for Bravo One configurations with side water inlets
    • Rated structurally for power outputs up to 425HP
    • Verify Gear Ratio: Ensure your engine setup and hull design strictly match the 1.36 ratio specifications before purchasing.
    • Intake Style Verification: This assembly features side water inlets only. Verify your cooling configuration matches this intake design.
    • Exclusions: This unit is NOT a replacement for heavy-duty, high-performance X, XR, or XZ model drives.
    • Installation Notice: Installation kit and anode kit are not included and must be sourced separately.

    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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