Duff Magnesium Engine Anode CM875821M | 4Boats

Magnesium engine anode compatible with Volvo Penta Duo Prop 290 series, designed for freshwater sacrificial protection and straightforward replacement.

• Material: magnesium
• Part number: CM875821M
• Fits: Volvo Penta Duo Prop 290 series
• Use: freshwater only — not for saltwater
• Thread: 6.35 mm (1/4 in) - 20 UNC
• Sacrificial anode for engine drive corrosion protection

Replace as part of routine maintenance or when noticeably worn; verify thread and fitment before installation.