897513-1 - Textron OEM Garrett Premium Aviation Filtration Fuel Filter

897513-1 – Textron Aviation OEM Fuel Filter (Garrett Premium Filtration)

Available now through the AirParts Aero marketplace.

Overview Section

The Textron Aviation 897513-1 is a high-specification Premium Fuel Filter Element, originally engineered by Garrett (now Honeywell) for use in turbine engine fuel systems. This "Premium Filtration" element is designed to meet the extreme purity requirements of modern turboprop engines, where even microscopic contaminants can cause "stiction" in fuel control units or erosion of high-pressure fuel nozzles.

Utilizing a high-density, resin-impregnated media, the 897513-1 provides exceptional dirt-holding capacity while maintaining a low pressure drop. It is a critical component for ensuring the longevity of the engine’s fuel-metering system, particularly in the Beechcraft King Air and Cessna Caravan fleets.

Key Features Section

• Garrett Engineering Excellence: Built to the rigorous standards of Garrett’s original turbine specifications, ensuring compatibility with high-velocity fuel flows.

• Premium Micro-Glass Media: Features advanced synthetic or resin-treated fibers that offer superior filtration efficiency compared to standard cellulose filters.

• Hydrocarbon Resistance: Specially bonded to remain structurally sound when submerged in Jet A, Jet A-1, and various military-grade fuels (JP-4, JP-5, JP-8).

• Reinforced Internal Core: Constructed with a perforated metal center tube to prevent "media collapse" or "blow-through" under high-differential pressure scenarios.

• Integrated Bypass Safety: Designed to work in conjunction with the engine's filter housing bypass valve, ensuring fuel flow is maintained even if the filter becomes saturated.

• Thermal Stability: Maintains its filtration integrity across the full flight envelope, from extreme ramp heat to the freezing temperatures of high-altitude cruise.

Technical Specifications Section

Aircraft Compatibility Section

The 897513-1 is a primary maintenance component for several turbine airframes in the AirParts Aero inventory:

• Beechcraft King Air Series: Common in the fuel systems of the King Air 90, 200, and 300 series.

• Cessna 208 Caravan: Utilized as a premium filtration option for the Grand Caravan and Caravan EX.

• Honeywell/Garrett TPE331 Engines: Found in the fuel systems of various turboprops powered by the TPE331 series.

• Dassault Falcon: Occasionally utilized in auxiliary fuel or APU filtration for certain Falcon jet configurations.

Technical Applications & Safety

In a turbine engine, fuel is used for more than combustion; it is often used as a hydraulic fluid to actuate variable inlet vanes or as a coolant.1 The 897513-1 protects these precision servos from "silting," a condition where fine dust settles in tight clearances and causes mechanical "hang-ups."

Safety Warning: Never "tap out" or attempt to clean a fuel filter element. The 897513-1 uses depth-loading technology where particles are trapped inside the matrix of the fibers. Surface cleaning will not restore flow and can actually force contaminants through the media into the "clean side" of the fuel system.

Technical Engineering Insight

The engineering value of the 897513-1 lies in its Beta Ratio. In premium filtration, the Beta Ratio defines the filter's ability to remove a specific particle size consistently. The 897513-1 is engineered to maintain a high Beta Ratio even as the filter nears its service limit.

By choosing the genuine Textron/Garrett part through AirParts Aero, you ensure that the filter media is compatible with Fuel System Icing Inhibitors (FSII) like Prist. Lower-quality filters can sometimes experience "media migration" where the chemicals in the fuel break down the binders in the filter, causing pieces of the filter itself to clog the fuel nozzles.

Installation & Maintenance Addendum

1. O-Ring Lubrication: Always replace the housing O-ring when changing the 897513-1. Lubricate the new seal with clean fuel or a light film of petrolatum to ensure it seats without twisting.

2. Bowl Inspection: When removing the old filter, inspect the bottom of the filter bowl for "coffee grounds" (carbon/rust) or "clear jelly" (microbiological growth). Either indicates a need for tank cleaning or biocide treatment.

3. Torque Safety: Ensure the filter housing is safetied with .032" stainless steel safety wire after torquing to prevent the bowl from vibrating loose.

EQUIVALENT GLOBAL FILTRATION PART NUMBER 334508WFC ELEMENT AVAILABLE