Overview
The Donaldson P169344 is a high-performance hydraulic filter cartridge engineered for demanding industrial hydraulic systems. This synthetic-media cartridge delivers 7-micron Beta 1000 filtration efficiency, protecting critical hydraulic components from contamination. Donaldson’s proven filtration technology ensures superior system protection and extended service intervals across fluid power applications.
Key Features
- 7-Micron Synthetic Media — Beta 1000 efficiency for reliable contamination control in hydraulic systems
- Nitrile/Buna-N Seal — Chemical-resistant elastomer compatible with most ISO VG hydraulic fluids
- Cartridge Design — Drop-in replacement for bowl-type housings; simplifies maintenance and reduces downtime
- Pressure Rating — 149 psi (10.3 bar) collapse burst strength for system reliability
- Donaldson Quality — Backed by over 100 years of filtration expertise and stringent design testing
Technical Specifications
The following specifications are critical for system compatibility and performance verification:
- Filter Style: Cartridge
- Outer Diameter: 3.88 inches (98.5 mm)
- Inner Diameter: 1.6 inches (40.7 mm)
- Length: 9.11 inches (231.39 mm)
- Micron Rating: 7 micron
- Efficiency (Beta 1000): 7 micron
- Filter Media: Synthetic microglass
- Seal Material: Nitrile (Buna-N)
- Collapse Burst Pressure: 149 psi (10.3 bar)
- Operating Temperature Range: −13°F to 250°F (−10°C to 121°C)
- Flow Direction: Outside-in
- Primary Application: Schroeder KS3 hydraulic systems
- UPC Code: 742330019214
Typical Applications
The P169344 is specified for industrial and mobile hydraulic systems requiring mid-micron filtration, including:
- Mobile equipment hydraulic power units
- Stationary industrial pumps and motors
- Closed-loop proportional valve circuits
- Servo-controlled hydraulic systems
- Fleet and heavy equipment maintenance operations
Compatibility & Replacements
Compatible With
- Schroeder KS3, KZ5 hydraulic filter housings
- Standard bowl-type hydraulic cartridge filter bodies with 3.88″ OD ports
- Systems operating on ISO VG 15–68 hydraulic fluids
- Mobile equipment and stationary industrial hydraulic power units
Replaces / Drop-In Replacement For
- Baldwin PT8364, PT8370-MPG, PT9397-MPG
- Fleetguard HF30089, HF7332
- Pall HC9700FDN9H, HC9700FKN9H, HCS630KDN9H, HCS630KKK9H
- Parker HF4L10VQ
- Caterpillar 775479
- Vickers V4051B3C05, V4051B3V05
- Filtrec D650G06A; Main Filter D650G06A
- Fram C7279
- Hydac 02060529, 50309D05BN
- AP Parts 4224
- VMC HF169344
- Wix 57756
Works With
- Industrial hydraulic pump systems (gear, piston, vane)
- Closed-loop proportional and directional control valve circuits
- Pilot-operated relief and pressure-control systems
- Mobile equipment—compact excavators, telehandlers, wheel loaders
- Stationary applications—plastic injection molding, woodworking machinery, marine hydraulics








