T-H Marine PMP-CRTG8-DP HYDRA Replacement Motor Cartridge 800 GPH 12V

The T-H Marine HYDRA PMP-CRTG8-DP is the 800 GPH replacement motor cartridge designed for the HYDRA Cartridge Bilge Pump system. This service cartridge allows boaters to quickly restore full pump performance without removing the pump housing from the bilge — no plumbing disconnection required.

Engineered for dependable marine water removal, the HYDRA cartridge features a precision-balanced motor and a 316 stainless steel motor shaft to minimize vibration, noise, and corrosion in harsh saltwater and freshwater environments. The dual-lock cartridge design enables tool-free motor removal and fast, on-the-water servicing. Stator vane technology optimizes flow efficiency, while the anti-airlock design ensures reliable restarts even when air is present in the line.

Key Features:

• 800 GPH flow rate at 12V with approximately 4A draw
• Anti-airlock design — restarts reliably even with air in the line
• 316 stainless steel motor shaft — corrosion-resistant for long-term durability
• Precision-balanced motor — reduced vibration and quieter operation
• Dual-lock cartridge system — tool-free removal for quick on-the-water service
• Stator vane technology — optimizes flow efficiency and performance
• Removable nozzle — allows service without disconnecting the hose
• Backed by 4,000 hours of testing for proven durability
• Meets ABYC, ISO, and U.S. Coast Guard standards

Designed to fit the HYDRA Cartridge Bilge Pump housing, this replacement cartridge is the smart service solution for keeping your bilge system running at peak performance without the cost or hassle of replacing the entire pump assembly.