Star Brite 35001 Do-It-Yourself Marine Winterizing & Engine Descaling Kit

The Star Brite 35001 Do-It-Yourself Winterizing Kit is a complete marine engine winterization solution designed to help boat owners protect inboard and outboard engines from freeze damage during winter storage — right from the trailer, without professional help.

What's Included:

• 5-gallon reservoir tank
• Gate valve with cap
• Clear connector hose
• Step-by-step instructions

Key Features:

• Antifreeze-ready system — Quickly and easily circulates winterizing antifreeze through inboard and outboard engine cooling systems
• Engine descaling capability — Flushes and descales cooling passages, removing marine growth, zebra mussels, and mineral deposits to keep engines running cool
• Trailer-friendly design — Winterize your boat right on the trailer without hauling it to a boatyard
• Versatile connections — Compatible with standard garden hoses, ear muffs, or flushing attachments
• Reusable components — Built for repeated seasonal use, providing long-term value

What You'll Need (not included): A garden hose or ear muffs/flushing attachment, plus Star Brite Winterizing Antifreeze. Antifreeze is not included — always drain the engine block and manifolds of fresh water before flushing.

Best used with Star Brite Winterizing Antifreeze for optimal engine freeze protection. Compatible with I/O and outboard marine engines. Star Brite part number: 35001 / 74-35001. UPC: 071247350012.