50040-92847-0ep Suzuki / 5034744 Johnson 25" gearcase (one of) | Genuine Used Part

🔧 Product Description

Genuine Suzuki / Johnson DF90-DF140 Shadow Black 25-Inch Standard-Rotation Lower Unit - Part Numbers: 50040-92847-0EP / 5034744

A genuine Suzuki 25-inch standard-rotation lower-unit assembly also supplied by BRP for Suzuki-manufactured Johnson four-stroke outboards. Suzuki 50040-92847-0EP and Johnson / BRP 5034744 are cross-brand OEM equivalents. The 0EP suffix identifies Shadow Black.

⚙️ Key Features

• Genuine Suzuki / Johnson complete gearcase
• Suzuki part number 50040-92847-0EP
• Johnson / BRP equivalent 5034744
• 25-inch extra-long-shaft configuration
• Standard propeller rotation

🚤 Compatibility

• Suzuki DF90X original-generation four-stroke: 2001-2012, serial breaks 150001-680685 and 680686-219999
• Suzuki DF115X original-generation four-stroke: 2001-2012, serial breaks 150001-681517 and 681518-219999
• Suzuki DF140X: later standard-ratio production using 92847, including 2007-2012 serial 780001-219999
• Suzuki-built Johnson 140HP four-stroke 25-inch applications using 5034744
• BRP accessory documentation lists 140HP four-stroke 25-inch use for approximately 1998-2005 service families
• Standard rotation only

🔌 Function

The complete gearcase carries the propeller and gears, provides forward and reverse and supplies cooling water through the driveshaft housing.

⚠️ Common Signs of Failure

• Gear ratio is incorrect for early DF140
• Water enters gear oil
• Shift clutch is worn
• Propeller shaft is bent
• Housing is cracked or corroded
• Driveshaft spline wear is present

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 50040-90804-0EP is the earlier 25-inch unit for 2001-2006 production
• 50040-92847-0EP is the later 2006-2012 service assembly
• 5034744 is the BRP cross-brand standard-rotation 25-inch reference
• 5034745 and 92857-series units are related counter-rotation assemblies

OEM / Related Numbers

• 50040-92847-0EP
• 50040-90804-0EP earlier assembly
• BRP 5034744
• Related 50040-92857-0EP counter-rotation assembly
• Related DF90 / DF115 / DF140 driveshaft, gear set and shift components

Aftermarket / Verified Equivalents

• BRP 5034744 is the verified cross-brand OEM equivalent
• Specialist remanufactured Suzuki / Johnson 90HP-140HP lower units
• Aftermarket seal, bearing, water-pump and gear sets from Sierra and specialist suppliers
• No universal aftermarket complete unit should be installed without confirming gear ratio

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated