Part numbers for reference only. We supply quality replacement parts to save you ££££’s

For use  4BY's and 4BY'Z' (Z series have Z stern drives) engines that require part numbers below: 

Kit contains:

• Oil Filter - equivalent to Yanmar part number 165000-69520
• Fuel Filter - equivalent to Yanmar part number 120650-55020
• Impeller - equivalent to Yanmar part number 120650-42310,120650-42530. Does not include internal thread for impeller puller tool.
• Poly V Belt - Serpentine Belt 120640-00020 or 120640-00010
• Water Pump Belt - equivalent to part number 120650-42360
• 1 x Zinc Anode & Brass Plug - equivalent to part number 120650-18530 

See below for guide on choice of  belts

Serpentine Belt - Long Belt - equivalent to Yanmar 120640-00020 for use on 4BY-150Z, 4BY-180Z, 4BY2-150Z, 4BY3-180Z

Poly V Belt - equivalent to part number 20640-00010 for use on 4BY-150, 4BY-180, 4BY2-150, 4BY3-180