Parts

Find the right replacement parts for your pressure washer in one place. From hoses and guns to nozzles, fittings, unloaders and seals, this category brings the essentials together for fast repairs and upgrades. Use this quick guide to match parts by PSI/GPM, temperature rating and connection type, avoid common compatibility mistakes, and solve the most common performance issues.

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How to Choose the Right Pressure Washer Parts

Confirm compatibility in three steps

  • Match performance: your new part must be rated at or above the machine’s PSI and GPM.
  • Match temperature: hot-water systems need components with the proper temperature rating.
  • Match connections: verify thread type and size or the correct quick-connect (QC) pair.

Never install a component with a lower rating than your system. Mismatched parts can cause leaks, premature wear, or safety hazards.

Most‑shopped replacement categories

Hoses

  • Select length and diameter to balance reach, flow and handling.
  • Choose construction (single- or double-braid) and cover for durability.
  • Verify PSI, temperature rating and end connections before purchase.

Shop Pressure Washer Hoses

Spray Guns & Lances

  • Confirm rated PSI/temperature and inlet/outlet sizes.
  • Look for comfortable triggers and safety locks for long workdays.
  • Check lance length for reach and control on different surfaces.

Shop Guns and Repair Kits

Nozzles & Tips

  • Size the orifice to your pump’s GPM and target pressure.
  • Keep a set of common spray angles for versatility.
  • Replace worn tips to restore pressure and pattern quality.

Shop Pressure Washer Nozzles

Quick‑Connects & Fittings

  • Match QC size pairs and inspect O‑rings for a positive seal.
  • Use materials suited to your chemicals and environment.
  • When in doubt, bring a sample fitting or clear photos to confirm.

Quick troubleshooting: which part to check first

Symptom Likely item to inspect First step
Low or no pressure Nozzle (worn/wrong size), inlet filter/strainer, unloader Verify water supply and nozzle size; clean/replace filter; check unloader setting
Pressure spikes or pulsation Nozzle obstruction, air leak on inlet, unloader/bypass restriction Flush or replace tip; tighten fittings and replace O‑rings; inspect bypass line
Leaks at gun, hose or QC O‑rings, couplers/plugs, hose ends Replace O‑rings; retire damaged couplers/hoses
Chemical won’t draw Downstream injector orientation or metering tip Confirm correct injector placement/flow direction; clean or change tip

Keep a small kit with spare O‑rings, a backup 25° tip, TDS-free rinse nozzle, and a clean inlet filter. These low-cost items solve a large share of on‑site issues.

Learn more about parts and upkeep

Not sure which part fits your system?

Send us your machine specs (brand/model, PSI, GPM, temperature) and a photo of the connection you’re replacing. Our team will match the right part the first time.

Talk to an Equipment Specialist

Parts FAQ's

Bring the old part or clear photos and basic measurements, or use a thread gauge. We can help match the correct thread and provide the right adapter if needed.
A smaller orifice raises system pressure and can over‑pressurize components. Always size the nozzle using your pump’s GPM and the desired working pressure. When in doubt, ask our team to confirm the correct size.
Replace the tip if the spray pattern becomes uneven, you notice reduced pressure at the same flow, or the orifice is visibly worn or damaged. Heavy use and abrasive water speed up wear.
Quick‑connects seal with O‑rings and typically do not require thread sealant on the QC joint. Threaded NPT connections commonly require an appropriate sealant or tape—use only as directed by the product instructions.
Quick‑connects are sold in matched sizes. Identify the size used on your machine or hose and buy the matching plug and coupler. If unsure, measure the existing parts and compare to product specifications or contact us for help.
No. Only components with a listed temperature rating for hot water should be used with hot‑water systems. Using parts below the required rating can lead to leaks, damage, or safety risks.
Confirm three things before buying: the part’s PSI/GPM ratings meet or exceed your machine, the temperature rating matches your application (cold or hot water), and the connection type/size is identical to your existing setup or the correct quick‑connect pair.
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