PREPCO ASSEMBLY (TANK - WARMER) (P/N 81355-1) - Serviceable

The 81355-1 is a tank-warmer assembly manufactured by Hawker Beechcraft for aircraft fluid reservoirs. This PREPCO unit maintains optimal fluid temperature during cold-weather ground operations, preventing viscosity buildup in fuel and hydraulic systems. The warmer mitigates cold-soak effects that can impair system performance in low-temperature conditions.

Installation must follow the aircraft maintenance manual for the specific airframe. Verify eligibility per FAA AC 20-62E before returning the aircraft to service.

What is the PREPCO ASSEMBLY (TANK - WARMER) (P/N 81355-1)?

The 81355-1 is a tank-warmer assembly manufactured by Hawker Beechcraft for aircraft fluid reservoirs. This PREPCO unit maintains optimal fluid temperature during cold-weather ground operations, preventing viscosity buildup in fuel and hydraulic systems.

Is the 81355-1 compatible with AVGAS and Jet-A fuels?

Fuel system components are designed for specific fuel types per their engineering specifications. The PREPCO ASSEMBLY (TANK - WARMER) should be verified against your aircraft's fuel system requirements. Currently available in: Serviceable. Contact us for fuel compatibility details.

Does the 81355-1 require companion seals or gaskets for installation?

Many fuel system components require new gaskets, O-rings, or seals during installation. Check your aircraft maintenance manual for the PREPCO ASSEMBLY (TANK - WARMER) installation requirements. We stock related sealing components and can help identify companion parts.

Are there shipping restrictions for the 81355-1?

Most fuel system hardware ships via standard methods. Certain items containing fuel residue may require hazmat shipping procedures. We handle all packaging and shipping compliance. Same-day processing available for in-stock items.