50111-ZY3-020 Honda Lower Housing Mount | Genuine Used Part

🔧 Product Description

Genuine Honda BF175-BF250 Lower Mounting Housing - Part Number: 50111-ZY3-020

A genuine Honda lower mounting housing used in the extension-case assemblies of large V6 outboards. Two housings are commonly used to retain the lower rubber mounts at the port and starboard sides of the midsection.

⚙️ Key Features

• Genuine Honda OEM lower mounting housing
• Correct part number 50111-ZY3-020
• Two housings commonly required per engine
• Used with 50155-ZY3-000 lower rubber mounts
• Applicable to multiple A- and D-generation V6 models

🚤 Compatibility

• Honda BF175A6, BF175AK1, BF175AK2 and BF175AK3
• Honda BF200A6, BF200AK1, BF200AK2 and BF200AK3
• Honda BF225A2, BF225A6 and BF225AK1-AK3
• Honda BF250A
• Honda BF175D, BF200D / DK1, BF225D / DK1 and BF250D / DK1
• Documented serial families include BAEJ, BAFJ, BAGJ, BAHJ, BBJJ, BBRJ, BBPJ and BBNJ
• Approximate application era: 2002 onward

🔌 Function

The housing supports and captures each lower rubber mount, transmitting propeller and steering loads into the extension case while controlling engine vibration.

⚠️ Common Signs of Failure

• Housing cracks around the mount bore
• Threads strip
• Mount seat corrodes or elongates
• Lower mount moves inside the housing
• Midsection develops clunking or side play
• Engine vibration or steering instability increases

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 50111-ZY3-020 is the documented lower mounting housing
• No later universal supersession has been verified
• It is used with different lower mount and extension-case revisions depending on engine generation

OEM / Related Numbers

• 50111-ZY3-020
• 50155-ZY3-000 lower rubber mount
• 50157-ZY3-010 lower mount stopper
• 50161-ZY3-610 lower centre-mount housing
• Related extension-case bolts, seals and covers

Aftermarket / Verified Equivalents

• No verified direct aftermarket housing
• Genuine Honda 50111-ZY3-020 is the direct replacement
• Used housings are suitable only with sound threads and unworn mount seats
• Fabricated or repaired housings should not be used where structural integrity is uncertain

📦 Condition

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