OEM Suzuki 20" Lower Unit | Fits DF40 & DF50 4-Stroke 3-Cylinder (2011–2024) | 20-Inch Shaft | 1-Year Warranty

Product Overview

Restore your outboard's performance with this genuine OEM Suzuki 20-inch Lower Unit, designed for Suzuki DF40 and DF50 3-cylinder 4-stroke outboards manufactured from 2011 through 2024. Each lower unit is professionally disassembled, inspected, resealed, pressure tested, and serviced to ensure dependable performance. Original OEM gears are retained when they meet factory specifications, while worn components are replaced as needed. Backed by a 1-Year Working Warranty, this unit is ready for installation.

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Key Features

• Genuine OEM Suzuki lower unit
• Fits DF40 and DF50 3-cylinder 4-stroke outboards
• 20-inch (Long Shaft) configuration
• Professionally inspected and resealed
• Pressure tested to 12 PSI
• OEM gears retained when within specification
• Ready for installation
• Backed by a 1-Year Working Warranty

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Technical Specifications

Specification	Details
Brand	Suzuki
Product Type	Lower Unit
Engine Type	4-Stroke, 3-Cylinder
Compatible Models	DF40, DF50
Horsepower	40 HP / 50 HP
Shaft Length	20" (Long Shaft)
Driveshaft Length	18"
Driveshaft Splines	12
Prop Shaft Splines	13
Model Years	2011–2024
Condition	Professionally Serviced OEM
Warranty	1-Year

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Inspection & Service

Every lower unit undergoes a comprehensive inspection and service process, including:

• Disassembled and inspected under magnification
• Fully resealed with new seals
• Pressure tested to 12 PSI
• OEM gears inspected and replaced only if necessary
• Housing professionally cleaned and inspected
• Ready for installation

Important: Gear oil is not included. Fill with the manufacturer's recommended gear lubricant before use.

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Compatible Applications

Fits select Suzuki outboards including:

Suzuki Models

• DF40
• DF50

Engine Configuration

• 3-Cylinder
• 4-Stroke

Horsepower

• 40 HP
• 50 HP

Shaft Length

• 20" Long Shaft

Model Years

• 2011
• 2012
• 2013
• 2014
• 2015
• 2016
• 2017
• 2018
• 2019
• 2020
• 2021
• 2022
• 2023
• 2024

Always verify your engine model and serial number before purchasing.

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What's Included

Your purchase includes:

• Complete OEM Suzuki 20" Lower Unit Assembly

Everything shown in the product photos is included.

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Warranty

This lower unit is backed by a 1-Year Working Warranty from Southcentral Outboards. The warranty is validated by your core return. A prepaid shipping label will be provided for returning your eligible core. If the lower unit fails during normal use within the warranty period, it will be repaired, replaced, or refunded if a replacement is unavailable.

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Returns

Returns are accepted under the following conditions:

• 30-Day Free Returns if the item is listed incorrectly.
• 60-Day Returns for any other reason, with buyer responsible for return shipping and any applicable restocking fees.

Please contact us before opening an eBay return so we can assist you promptly.

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Shipping Information

Your lower unit will be securely packaged to protect the driveshaft, prop shaft, seals, and housing during shipment. Fast shipping is available throughout the United States, with international shipping available upon request.

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Why Buy from EZ Boats Marine?

• Genuine OEM Suzuki Marine Parts
• Professionally Inspected & Serviced Lower Units
• Pressure Tested Before Shipping
• Fast & Secure Shipping
• Expert Technical Support
• 1-Year Warranty Included
• Trusted Marine Parts Supplier

EZ Boats Marine supplies premium OEM outboard components backed by experienced customer support and dependable service.

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Frequently Asked Questions

Is this a genuine Suzuki lower unit?

Yes. This is an original OEM Suzuki lower unit professionally serviced and inspected before sale.

Which engines does it fit?

It fits Suzuki DF40 and DF50 3-cylinder 4-stroke outboards with a 20-inch shaft, manufactured between 2011 and 2024. Always verify compatibility using your engine's model and serial number.

Has the lower unit been serviced?

Yes. Each unit is disassembled, inspected, fully resealed, and pressure tested to 12 PSI before shipping.

Are the gears replaced?

Only if necessary. Original OEM gears that remain within factory specifications are retained, while worn or damaged gears are replaced.

Does it come filled with gear oil?

No. The lower unit is shipped without gear oil. Fill it with the manufacturer's recommended lubricant before installation and operation.

Does it include a warranty?

Yes. This lower unit includes a 1-Year Working Warranty, validated by your eligible core return.

Can EZ Boats Marine verify compatibility?

Absolutely. Send us your engine model and serial number, and we'll confirm whether this OEM Suzuki 20-inch Lower Unit for DF40/DF50 3-Cylinder 4-Stroke models (2011–2024) is the correct replacement for your outboard before you purchase.