Steering Gear Oil Filter Housings:
- Size: Typically 2.5 to 4 inches in diameter, varies by vehicle model
- Material: Aluminum alloy or high-strength plastic
- Pressure Rating: 150-300 psi (varies by application)
- Thread Size: M16x1.5 or M18x1.5 (common for OEM fittings)
- Filter Media: Synthetic fiber or cellulose (20-30 micron filtration)
- Seal Material: Nitrile rubber (NBR) or Viton® for high-temperature resistance
Steering System Oil Specifications:
- Grade: ATF Dexron III/VI or CHF 11S/202 (varies by manufacturer)
- Viscosity: ISO VG 22 to 46 (5W-30 equivalent for some systems)
- Operating Temp Range: -40°C to 120°C (-40°F to 248°F)
- Density: 0.85-0.89 g/cm³ at 15°C
- Buoyancy: Neutral in mineral-based fluids, specific gravity ~0.87
Steering Gear Materials:
- Housing: Cast iron (GG25) or aluminum (AlSi9Cu3)
- Rack Material: Hardened 41Cr4 or 42CrMo4 steel
- Pinion: Case-hardened 16MnCr5 steel
- Seals: HNBR or FKM compounds
- Bearing Material: SAE 52100 chrome steel