
D CONE BRONZE HR4000C THOR
D Cone Bronze HR4000C Thor | Genuine Marine | Muir Australia
The Muir D Cone Bronze HR4000C Thor is a genuine factory replacement clutch cone designed specifically for HR4000C Thor compact horizontal windlasses. Precision-machined from premium marine-grade bronze, this D-shaped cone is the heart of the windlass clutch system — providing smooth, reliable engagement between the gypsy and shaft for controlled chain release and retrieval.
Built for Marine Reliability
Bronze is the ideal material for marine clutch cones thanks to its excellent wear properties, self-lubricating characteristics, and outstanding corrosion resistance in saltwater environments. The D Cone Bronze HR4000C Thor is precision-machined to exact OEM tolerances, ensuring perfect mating with the gypsy and consistent clutch performance under heavy anchoring loads.
Key Features
- Genuine Muir replacement clutch cone for HR4000C Thor windlasses
- Premium marine-grade bronze construction
- D-shaped profile for positive shaft engagement
- Self-lubricating for smooth clutch operation
- Excellent wear and corrosion resistance
- Direct fit — no modifications required
Why Choose Genuine Muir Parts?
Choosing the authentic D Cone Bronze HR4000C Thor ensures perfect tolerances, smooth clutch operation, and long-term reliability. Aftermarket cones often use inferior alloys that wear quickly, slip under load, or seize — risking damage to your windlass and unsafe anchoring. Trust genuine Muir parts for dependable performance and full warranty support.
Order your replacement bronze cone today from Muir Australia — trusted marine engineering since 1968.
Part number: P081028
Fits: HR4000 Thor exploded view
Prices aren’t shown online. Send us the part number and your windlass model and serial number and we’ll confirm fit, price and availability.



