Piranha D-Series - 3-Blade Propulsion Kit, 18-30HP Outboard

Piranha D-Series — 3-Blade Propulsion Kit

The Piranha D-Series Propulsion Kit gives 18-30HP outboard boaters a complete on-water backup system for their propeller: a spare blade set, the tools to swap it, and a bag to keep it organized. Piranha's modular hub design means a blade strike doesn't have to mean a tow or a lost day, since a damaged blade can be swapped in minutes with the included floating prop wrench. Backed by a lifetime hub assembly guarantee and made in the USA.

Part Specifications

• Piranha Part Number: PROKITD-3B-99
• Type: 3-blade propulsion kit
• Gearcase Diameter: 2.75 in.
• Application: 18-30HP outboards
• Evinrude/Johnson Exclusions: Does not fit "Bigfoot," Commercial Gearcase, "Pleasure," or "High-Thrust" models
• Mariner (Yamaha) Fitment: 25HP ('80-'84), 28HP ('76-'79), 30HP ('79-'90)
• Blade Material: Aluminum-core center hub over-molded with aerospace-grade composite, corrosion-resistant
• Warranty: Lifetime hub assembly guarantee

Confirm Fitment Before Ordering

Not sure this kit matches your outboard's gearcase and horsepower range? You can check the parts diagrams available on our website to help identify the correct part. Or, give us your engine model, year, and horsepower and we'll confirm it for you before you order — by email, text, or live chat.

Additional Information

• Vendor: Piranha Propellers
• Part Number: PROKITD-3B-99
• Kit Contents: 1 hub kit, 2 blade sets, 1 floating prop wrench kit, 1 self-draining gear bag

A complete Piranha propeller consists of the hub, three blades, and the cap; individual D-Series replacement blades are also available if you only need to restock a single size.

Installation Notes

Swap blades following the instructions included with the kit, using the floating prop wrench provided and checking that all blades are seated evenly on the hub.

Frequently Asked Questions

Q: What's included in the D-Series Propulsion Kit?
A: One Piranha hub kit, two full 3-blade sets, a floating prop wrench kit, and a self-draining gear bag, giving you what you need to swap a damaged blade and get back underway.

Q: Why does the kit include two blade sets instead of one?
A: A full spare set helps keep the propeller properly balanced and at the correct pitch after a repair, and covers you if more than one blade is affected.

Q: How does the D-Series protect my lower unit during a strike?
A: The blades are designed to flex and absorb impact energy, acting as a buffer so the hub, gears, and prop shaft are less likely to be damaged in a strike.

Q: What engines is this kit compatible with?
A: It's designed for 2.75 in. gearcase diameter outboards in the 18-30HP range, excluding Evinrude/Johnson Bigfoot, Commercial Gearcase, Pleasure, and High-Thrust models. Mariner (Yamaha) fitment covers 25HP ('80-'84), 28HP ('76-'79), and 30HP ('79-'90). Reach out to confirm fitment for your specific engine before ordering.

Q: How does Piranha's composite compare to a standard aluminum propeller?
A: The aerospace-grade composite is stronger than aluminum and corrosion-resistant, and lets you replace just the damaged blade instead of the whole propeller when it's struck.