14550-ZY3-003 Honda Timing Belt Idler | Genuine Used Part

🔧 Product Description

Genuine Used Honda V6 Timing Belt Idler Pulley - Part Number: 14550-ZY3-003

A genuine pre-owned Honda Marine timing-belt idler pulley for selected V6 outboards.

Honda catalogues identify 14550-ZY3-003 as an idler, timing belt, manufactured in the original application by Koyo Seiko.

⚙️ Key Features

• Genuine Honda Marine used idler pulley
• Correct OEM part number 14550-ZY3-003
• Correct component type: Timing-belt idler
• Sealed bearing and pulley assembly
• Used across selected Honda V6 timing systems
• Original Koyo-type Honda component

🚤 Compatibility

Commonly used on selected

• BF175
• BF200
• BF225
• BF250
• Selected BF300 and BF350 V6 engines

Important fitment note

• This is an idler pulley, not a removal tool.
• Check whether the engine requires idler 14550-ZY3-003, Idler B 14555-ZY3-003 or both.

🔌 Function

The idler guides the timing belt around the required path and increases belt wrap around the drive and camshaft pulleys.

⚠️ Common Signs of Failure

• Bearing rumble
• Rough rotation
• Excessive radial play
• Pulley seizure
• Belt tracking marks
• Belt noise
• Heat discolouration
• Timing belt develops edge wear

🛠️ Service Notes

Recommended checks before installation

• Rotate the bearing by hand
• Check for noise, binding and looseness
• Inspect the pulley surface
• Check the idler bolt and mounting face
• Inspect the complete timing belt
• Replace questionable rotating components during major service

🔄 Supersession & Cross Reference

OEM Supersession Chain

• No verified superseding part number identified

OEM / Related Numbers

• 14550-ZY3-003
• 14550ZY3003
• OEM Description: Idler, Timing Belt
• Idler bolt: 14551-P8A-A01
• Related Idler B: 14555-ZY3-003
• Timing-belt tensioner: 14510-ZY3-013

Aftermarket / Verified Equivalents

• No verified complete aftermarket marine equivalent

📦 Condition

• Genuine Honda Marine used part
• Pre-owned rotating component
• Wear marks and light oxidation may be present
• Bearing inspection is essential before installation
• Supplied in protective or equivalent packaging