Iwata Hi-Line HP-TH Parts

Iwata HP-TH Replacement Parts

The Hi-Line HP-TH uses a trigger-style body together with gravity-feed paint delivery and model-specific airflow, spray-pattern, and internal control components. Matching the correct component and Iwata part number is important when servicing the airbrush because similar-looking parts may be intended for another Iwata model.

• Needles and nozzle components: Model-specific parts used within the paint-delivery and front-end system.
• Gravity-feed cups and lids: Cup components for compatible HP-TH paint-capacity configurations.
• Head and air-cap components: Head bases, caps, fan-pattern parts, round-pattern components, and related front-end pieces.
• MAC valve and air-valve components: Valve sets, packing parts, pistons, seals, and related airflow controls.
• Trigger and lever components: Main levers, cams, springs, and related parts used in the trigger-control system.
• Seals and packing parts: O-rings, PTFE packing components, and related sealing parts used at specific locations inside the airbrush.

HP-TH Needle, Nozzle & Head Components

Needle, nozzle, and head components influence paint delivery and spray formation. Bent needles, damaged nozzles, worn front-end components, or dried paint buildup can affect normal operation.

When servicing the HP-TH front assembly, confirm that the needle, nozzle, head base, air cap, and related parts belong to the correct HP-TH configuration.

• Needles: Inspect the needle tip for bending, damage, or wear before reinstalling.
• Nozzles: Check for dried paint, cracking, damage, or wear around the opening and seating area.
• Head components: Match the head base and related front-end pieces by model and part number.
• Needle chucking components: Guides, nuts, and packing parts should be matched to the correct internal setup.

Fan Pattern & Round Pattern HP-TH Air Caps

One of the distinguishing features of the HP-TH parts collection is the availability of different front-end spray-pattern components. Depending on the installed configuration, air-cap components can support different spray shapes and coverage requirements.

Fan-pattern, round-pattern, and related air-cap pieces should be selected according to the exact HP-TH setup. Confirm the component name and part number before replacing or changing the front-end configuration.

HP-TH Gravity-Feed Cups, Lids & Seals

The Iwata Hi-Line HP-TH uses a gravity-feed paint system, and this collection includes compatible cup sizes, cup lids, cup seals, O-rings, and related components.

Different cup capacities can support different paint volumes, while lids and seals help maintain the intended cup assembly. Always confirm cup size and component compatibility before replacing these parts.

• Gravity-feed cups: Available in different compatible capacities for varying paint volumes.
• Cup lids: Match the lid to the correct cup size and configuration.
• Cup O-rings and seals: Inspect for wear or damage if the cup assembly develops a leak or loose fit.

Iwata HP-TH MAC Valve & Air-Valve Parts

Airflow-related components in this collection include MAC valve assemblies, MAC valve packing, air-valve parts, O-rings, valve rods, and related service components.

If airflow or trigger response becomes irregular, cleaning and inspection should normally come first. Contamination, damaged seals, incorrect assembly, or worn valve components can affect how the airbrush responds.

Trigger, Lever, Cam & Spring Components

The HP-TH uses a trigger-style control system with several connected mechanical components. Main levers, cams, springs, valve rods, and related pieces should move correctly after cleaning and reassembly.

• Main lever and trigger components: Form part of the trigger-control mechanism.
• Cam components: Help transfer trigger movement through the internal control system.
• Springs: Support the return and positioning of moving components.
• Valve rods and internal pieces: Connect sections of the trigger and airflow-control system.

HP-TH O-Rings, PTFE Packing & Internal Seals

O-rings and packing components are used at specific locations inside the HP-TH to support sealing between air, paint, and moving assemblies. Wear, contamination, or damage can contribute to leaks or irregular operation.

PTFE needle packing components and other seals should be replaced only with parts confirmed for the HP-TH model and the correct location within the airbrush.

How to Choose the Correct Iwata HP-TH Part

Start with the exact airbrush model and then compare the component name, Iwata part number, size, and compatibility information shown on the product listing.

• Confirm HP-TH compatibility: Make sure the replacement component is listed for the Hi-Line HP-TH.
• Check the Iwata part number: Part numbers provide a more reliable reference than appearance alone.
• Match needle and nozzle parts carefully: Front-end components should belong to the same HP-TH setup.
• Identify the spray-pattern configuration: Confirm whether the required component is associated with a fan-pattern, round-pattern, or another compatible front-end setup.
• Confirm cup capacity: Match cup lids, seals, and related components to the correct gravity-feed cup size.
• Review valve and trigger compatibility: MAC valve, air-valve, cam, spring, and lever parts should be matched to the correct model.

Iwata Hi-Line HP-TH Cleaning & Maintenance

Routine cleaning helps reduce dried-paint buildup around the needle, nozzle, cup, paint path, air-cap area, trigger system, and other moving components. Small internal and front-end parts should be handled carefully during removal and reassembly.

• Flush the paint path after painting sessions.
• Clean the needle carefully before reinstalling it.
• Inspect the nozzle before assuming replacement is required.
• Clean gravity-feed cups and lids after use.
• Inspect fan-pattern and round-pattern air caps for buildup.
• Check MAC valve and air-valve components if airflow changes.
• Inspect O-rings and packing parts if leaks appear.
• Reassemble trigger, cam, spring, and internal components correctly.

Related Iwata Hi-Line & Airbrush Parts

Replacement components for additional Iwata models can be found in the Iwata Airbrush Parts collection .

Hi-Line and High Performance airbrush models can be compared in the Iwata Hi-Line & High Performance collection .

Additional Iwata airbrush series and configurations are available in the Iwata Airbrushes collection .