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Cummins Onan MDKP / MDR 17.5KW & 21.5KW Marine Generator Maintenance Spare Parts Kit

Complete maintenance spare parts kit for Cummins Onan MDKP & MDR 17.5KW–21.5KW marine generators, including filters, impeller kit, belts, raw water pump, zinc, glow plugs, and flow switch.

Reference: MDKP, R 17.5KW & 21.5KW -KIT
$1,748.72

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Keep your generator operating at peak performance with this Cummins Onan Marine Generator Maintenance Kit, designed for MDKP and MDR models (17.5KW & 21.5KW). This comprehensive kit includes all essential service components required for routine maintenance and long-term reliability in demanding marine environments.

Covering fuel, air, cooling, and ignition systems, this kit ensures your generator remains efficient and protected against common wear issues. With OEM-compatible parts and options for both negative ground and isolated ground belt configurations, this kit is ideal for professional service, scheduled maintenance, or onboard spare inventory.

What’s Included

  • Oil Filter – P/N: 122-0810

  • Fuel Filter – P/N: A026K278

  • CCV Breather – P/N: 185-6721

  • Impeller Kit (Minor) – P/N: 541-1521

  • Zinc Anode – P/N: 130-4434

  • Belt (Negative Ground) – P/N: 511-0201

  • Belt (Isolated Ground) – P/N: 511-0211

  • Raw Water Pump (RWP) – P/N: A073L303

  • RWP Gasket – P/N: 132-0346

  • Glow Plug (12V) – P/N: A047D863

  • Glow Plug (24V) – P/N: 185-6725

  • Raw Water Flow Switch – P/N: 309-0717

Key Features

  • Designed for Cummins Onan MDKP & MDR generators (17.5KW–21.5KW)

  • Covers multiple critical systems: fuel, cooling, airflow, and ignition

  • Includes belt options for different grounding configurations

  • Includes both 12V and 24V glow plugs

  • OEM-compatible components for reliable performance

Benefits

Complete Maintenance Solution

All essential service parts in one convenient kit.

Enhanced System Protection

Prevents overheating, fuel issues, and airflow restrictions.

Reduced Downtime

Ensures your generator stays operational when needed most.

Applications

  • Cummins Onan MDKP & MDR Marine Generators

  • 17.5KW and 21.5KW systems

  • Preventative maintenance and onboard spare kits

Ideal For

  • Boat owners and captains

  • Marine technicians

  • Service and maintenance planning

Notes

  • Verify generator model and configuration before purchase

  • Select correct belt type (Negative Ground or Isolated Ground)

  • Confirm correct voltage (12V or 24V) for glow plug installation

  • Professional installation recommended

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