Step-by-Step Northern Winterization Guide · China · all prices

No maker publishes sales figures. These lists are built from best-seller and most-reviewed proxies (retailer rankings, review volume, awards) over the last five years — the source is shown under each entry.

1. Mercury 加拿大极寒封存三件套 — ¥450
   Quickstor fuel stabilizer + Storage Seal fogging oil + Extreme gear lube; essential winter combo.
2. Sta-Bil 360 Marine 越冬燃油稳定剂 — ¥195
   Vapor corrosion technology protects above liquid line; keeps gas fresh for up to 12 months.
3. Yamaha 原厂气缸防锈封存喷雾 — ¥160
   Specially formulated oil film sticks to cylinder bores and valves through winter freezing.
4. Star Brite -46°C 活水舱无毒防冻液 — ¥128
   Safe non-toxic propylene glycol antifreeze protects livewells, aerators, and bilge lines.
5. Camco 船外机重力自流防冻冲洗壶 — ¥320
   DIY winterize gravity tank connects to ear muffs; pumps antifreeze through engine block cleanly.
6. Quicksilver 放油螺丝密封垫圈 20片装 — ¥85
   Essential single-use crush washers; replacing on winter gear oil changes prevents water entry.
7. CRC Marine 6-56 电路防潮防锈喷雾 — ¥88
   Forms transparent protective dielectric barrier against winter dampness and terminal oxidation.
8. Lanhai 双进水加压冬季冲洗耳罩 — ¥115
   Heavy dual-feed muffs provide secure positive seal for winterizing and flushing engines.
9. Dayco 抗冻硅胶手捏油泵总成 — ¥135
   Cold-resistant silicone bulb and 3/8-inch fuel line; remains flexible in freezing temperatures.
10. NOCO GENIUS2 冬季智能维护充电机 — ¥380
    Smart float charger with temperature sensor; prevents battery freeze damage in cold storage.