Boat owners with Volvo Penta engines - this 5-pack of zinc anode rods is essential maintenance equipment! These things are your engine's first line of defense against corrosion in saltwater environments. The set includes five zinc rods that replace several OEM part numbers including 838929, 804107, and 800476. They fit a bunch of Volvo Penta models - D19, D21, D27, D29, D30, and several others from the 2001-2003 years. The zinc material is specifically designed for saltwater use, sacrificially corroding to protect your more expensive engine components. Each rod has a 15mm diameter with 7/16 UNC threading, making installation straightforward if you're familiar with marine maintenance. Having five in the pack means you've got spares for future maintenance or multiple engines. These are compatible with several aftermarket brands too - Sierra, GLM, CMP, and others. For anyone who runs their boat in saltwater, replacing these anode rods regularly is just part of responsible ownership. They help prevent costly damage to your cooling system and engine block from electrolysis and galvanic corrosion. The quality seems solid, and having a complete set means you're prepared for your next maintenance cycle. Definitely a smart, affordable way to protect your significant investment in marine engines!
Free 30-day returns 
Free 30-day returns
