# 1952 Dunbier iQ7 Air Dump Valve/Flap | Marine Trailer Part

🔧 Product Description

  

Dunbier iQ7 Air Dump Valve and Flap Assembly - Part Number: 1952

  

A replacement air dump valve/flap for the AL-KO iQ7 actuator. The component vents stored pneumatic pressure when commanded so the hydraulic park-brake function can release and the actuator can return to its normal operating state.

  

⚙️ Key Features

  

• Replacement pneumatic release component

• Designed for AL-KO iQ7 actuator

• Controls venting of stored actuator air

• Restores correct release and reset behaviour

• Service part for damaged or sticking valve/flap assemblies

  

📏 Specifications

  

• Application: AL-KO iQ7

• System type: Pneumatic dump/release valve

• Actuator reference: Dunbier 1946

• Exact hose and electrical/pneumatic connection must match the installed generation

  

🔄 Cross Reference & Related Parts

  

• Dunbier: 1952

• AL-KO iQ7 actuator: Dunbier 1946

• Mounting brackets: Dunbier 1940IQ-series

• Bleed gun: Dunbier 1947

  

🚤 Trailer Compatibility & Application

  

• Suits compatible AL-KO iQ7 actuators

• Not for Hydrastar actuators

• Actuator diagnosis should confirm the dump valve is the cause before replacement

  

🔌 Function

  

Releases compressed air from the actuator pressure circuit so hydraulic brake pressure and the automatic park-brake function can disengage correctly.

  

Common signs of wear or replacement:

  

• Trailer brakes remain applied after reconnection

• Actuator will not vent or reset

• Air leaks continuously from the valve

• Valve flap sticks from contamination

• Compressor cycles repeatedly because pressure cannot be retained

  

🛠️ Installation & Safety

  

• Depressurise and isolate electrical power before service

• Mark hose and connector positions

• Inspect for water or debris in the pneumatic system

• Test park-brake application and release after replacement

• Have actuator faults diagnosed by a qualified technician

  

📦 Condition

  

• Genuine Dunbier Marine Products trailer component

• Brand new

• Supplied as one iQ7 air dump valve/flap assembly

• Supplied in original or equivalent packaging

## Details

- **Price:** 63.0 AUD
- **Vendor:** ALKO
- **Tags:** Dunbier Boat Trailers | Marine Trailer Parts & Accessories

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 63.00 AUD | In stock |

## Images

- 1952 Dunbier iQ7 Air Dump Valve/Flap | Marine Trailer Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/1952-iq7-air-dump-valve-flap)
> Updated: 2026-08-05