53 products

Magnum 4000 - All Parts

  • Top view of 12V ignitor with wiring for Magnum 4000 MSR burner Underside view of 12V ignitor mounting bracket for Magnum 4000 burner
    BURNER & COIL PARTS

    12V Ignitor for Magnum 4000

    $210.00
  • Copper oil line, 6.5 inches long, for pressure washer engine oil system
    BURNER & COIL PARTS

    Copper Oil Line 6.5 Inch

    $23.99
  • HDPE fuel cap for Easy-Kleen and Magnum 4000 10-gallon fuel tanks
  • Replacement ignition coil with wiring for Lifan 190F, 190FD engines and 13-16HP gas engines
  • GP panel mount probe style adjustable thermostat with capillary tube, bulb, and brass fitting
  • Pressure Pro KPL402 pump-mounted unloader kit with bypass hose and fittings Pressure Pro KPL402 unloader installed on a Magnum pressure washer pump and engine
  • Magnum 4000 EK440 direct drive gas pump with 1 inch shaft, 3.5 GPM at 4000 PSI EK440 pump package including pump, downstream injection hose, and o-ring kit
  • AR direct drive pressure washer pump with brass manifold and 1-inch shaft on a white background Side view of the AR direct drive pressure washer pump showing brass pistons and mounting bracket
  • Wiring harness with inline fuse holder and on/off switch for Magnum 4000 pressure washer Diagram showing on/off switch location on a Magnum 4000 Series pressure washer
    BURNER & COIL PARTS

    On/Off Switch for Magnum 4000

    $75.95
  • Red recoil starter assembly with pull handle for Lifan engine Back view of recoil starter for Lifan engine showing pawl and ratchet mechanism

The Magnum 4000 parts lineup from HotPowerWashers.com is designed to keep commercial hot water pressure washers operating at peak performance in demanding environments. From burner components like fuel nozzles, ignition systems, and heating coils to critical pump parts such as unloader valves, seals, and manifolds, every component is built to match the original equipment specifications of the Magnum 4000 series. Whether you're maintaining a gas, diesel, or oil-fired unit, using the correct OEM-compatible parts ensures consistent pressure output, reliable heating, and long equipment life. These parts are organized by category—including Burners & Coils, Pump Parts, Electrical Components, and Engine Parts—making it easy to find the exact match for your machine.

Regular maintenance and timely replacement of wear items like fuel filters, spray nozzles, and pump packings are essential to prevent downtime and costly repairs. The Magnum 4000 parts catalog provides direct access to high-quality replacement components that support proper combustion, water flow, and system safety. For contractors and service professionals, sourcing parts directly from the official HotPowerWashers.com catalog ensures compatibility and helps maintain manufacturer-aligned performance standards. Whether you're troubleshooting heating issues, restoring pressure, or performing routine service, these parts are the closest match to keep your Magnum 4000 running efficiently and reliably in the field.