50301-ZW1-070ZA 50311-ZW1-070ZA Honda Stern Bracket | Genuine Used Part

🔧 Product Description

Genuine Honda BF90A-BF150A Oyster Silver Port and Starboard Stern-Bracket Set - Part Numbers: 50301-ZW1-070ZA / 50311-ZW1-070ZA

A genuine matched pair of Honda stern brackets for selected BF90A, BF115A, BF130A, BF135A and BF150A four-stroke outboards. Part number 50301-ZW1-070ZA is the right-hand bracket and 50311-ZW1-070ZA is the left-hand bracket. The ZA suffix denotes NH282MU Oyster Silver Metallic-U.

⚙️ Key Features

• Genuine Honda OEM stern-bracket pair
• Right bracket 50301-ZW1-070ZA
• Left bracket 50311-ZW1-070ZA
• NH282MU Oyster Silver Metallic-U finish
• Supports the swivel case, trim unit and transom fasteners

🚤 Compatibility

• Honda BF90A3 and BF90A5 model families, including documented BBBL-4700001-4799999 production
• Honda BF115A model families where the ZW1-070 bracket pair is listed
• Honda BF130A1 / A3 families, including documented BZBH-1200001-1299999 production
• Honda BF135A / AK model families
• Honda BF150A4 - BANJ-1000001-1099999
• Honda BF150A5 - BANJ-1100001-1199999
• Honda BF150AK0 - BANJ-1300001 onward
• L and X shaft variants where the NH282MU bracket set is specified

🔌 Function

The stern brackets clamp the outboard to the transom and support the swivel case and trim system, carrying engine weight, propeller thrust and steering loads into the boat.

⚠️ Common Signs of Failure

• Bracket casting is cracked
• Transom bolt holes are elongated
• Corrosion develops around the tilt tube or trim mounts
• Port and starboard brackets no longer remain parallel
• Engine shifts on the transom
• Trim unit or swivel-case alignment changes

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 50301-ZW1-070ZA and 50311-ZW1-070ZA are companion right and left parts
• 50311-ZW1-050ZA is an earlier left-bracket revision used on selected BF90A1 configurations
• The 070ZA pair is a later matched arrangement and should be installed according to the model catalogue

OEM / Related Numbers

• 50301-ZW1-070ZA right stern bracket
• 50311-ZW1-070ZA left stern bracket
• 50311-ZW1-050ZA earlier related left bracket
• Related swivel case, tilt tube, transom bolts and anode kit
• Related power-trim unit and tilt-stop hardware

Aftermarket / Verified Equivalents

• No verified aftermarket complete stern brackets
• Genuine Honda matched brackets are the direct replacements
• Used genuine brackets must be inspected for cracks, corrosion and elongated transom holes
• Individual colour variants may be refinished but must retain identical casting and geometry

📦 Condition

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