470836-9021 CONTROLLER - REBUILT

The **Aeroforce Variable Absolute Pressure Controller** (P/N **470836-9021**) regulates the turbocharger system by maintaining correct absolute pressure levels within the induction system. It ensures smooth, stable engine performance, proper turbo response, and reliable boost management during all phases of flight. *Images are representative and may not show the exact product for sale.* --- ## Applications The **Aeroforce 470836-9021 Controller** is suitable for the following aircraft: - **Cessna 402C** (1979 and later) - Engine: **TSIO-520-VB** --- ## Why CJ Aerospace? CJ Aerospace supplies certified turbo-system components with expert support and fast despatch: - 🇦🇺 **Australian-owned & operated** - 📦 **Local stock for rapid despatch** - 🔧 **Technical guidance on turbo system compatibility** - ✈️ **Trusted by MROs, operators, and maintenance engineers** > ✉️ [Contact us: sales@cjaerospace.com.au](mailto:sales@cjaerospace.com.au) > Need help confirming compatibility? Our team is ready to assist.

- **Boost Control:** Regulates turbocharger output by maintaining correct absolute pressure - **Engine Performance Optimisation:** Ensures the engine receives the proper boost across operating conditions - **Altitude Compensation:** Adjusts turbo response to maintain consistent power as air density decreases - **Temperature Management:** Responds to exhaust and oil temperature conditions to support safe turbo operation - **System Integration:** Designed to work seamlessly with Aeroforce wastegates and turbocharger assemblies - **Safety Protection:** Prevents over-boost or unsafe turbo conditions - **Operational Modes:** Controls turbo function during start-up, normal operation, and shutdown - **OEM Overhaul Alignment:** Compatible with systems maintained to Hartzell Engine Technologies RSF standards using OEM components