Genuine Honda Extra-Long Extension Case - Part Number: 40201-ZVL-000
A genuine Honda XL extension case for selected BF175D, BF200D, BF225D and BF250D V6 outboards.
The extension case forms the main midsection between the lower engine case and gearcase. It contains the exhaust passage, cooling-water tube, vertical driveshaft and lower engine-mount components for the extra-long-shaft configuration.
⚙️ Key Features
Genuine Honda OEM XL extension case
Correct Honda part number 40201-ZVL-000
Extra-long-shaft midsection configuration
Supports the driveshaft, water tube, exhaust and lower mounts
Used on selected Honda 175HP to 250HP V6 outboards
🚤 Compatibility
Commonly used on
Honda BF175D-BF250D extra-long-shaft midsections
25-inch shaft V6 outboard configurations where 40201-ZVL-000 is specified
Typically suits
Engine models:
Honda BF175D XL configurations
Honda BF200D XL configurations
Honda BF200DK1 XL configurations
Honda BF225D XL configurations
Honda BF225DK1 XL configurations
Honda BF250D XL configurations
Honda BF250DK1 XL configurations
Honda XDA, XRA, XCDA and XCRA model-code families using the XL case
Shaft Length: Extra long / approximately 25 inches
Year Range: Approximately 2019 onward
🔌 Function
The extension case spaces the powerhead and gearcase for the required transom height while carrying the driveshaft, exhaust and cooling-water passages.
⚠️ Common Signs of Failure
Corrosion around exhaust or water passages
Cracks following impact or grounding
Mounting surfaces distorted
Lower-mount or gearcase threads damaged
Driveshaft or water-tube alignment compromised
🔄 Supersession & Cross Reference
OEM Supersession Chain
40201-ZVL-000 current Honda XL extension-case reference
