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Power Steering Fluid

Vehicle Maintenance and Performance Fluids

Evolutionary Performance™

OEMs continue to evolve designs for power steering systems. One brand has evolved right alongside – MAG 1®. Only the most advanced power steering fluids meet the difficult challenges of effectively balancing performance, strength and durability.

Powerful Chemistry and Performance

MAG 1® Power Steering Fluids can help improve your vehicle's performance.

Typical Properties

Viscosity Grade PSF PSF w/ Stop Leak OEM PSF
Calcium, wt. % ASTM D5185 0.003 - -
Color ASTM D1500 0.5 1 1.5
Flash Point °C ASTM D92 210 - -
Flash Point °F ASTM D92 410 - -
Gravity, °API ASTM D287 32.44 32.46 33.03
Oxidation Hours ASTM D943 5000 - -
Phosphorus, wt. % ASTM D5185 0.033 0.024 -
Pour Point °C (°F) ASTM D5950 -39°C (-38°F) -30°C (-22°F) -51°C (-60°F)
Specific Gravity @ 60°F (15.6°C) ASTM D4052 0.8631 0.863 0.86
Sulfur, wt. % ASTM D4951 0.065 0.050 -
Vapor Pressure at 20°C <0.013 kPa at 20°C - -
Viscosity @ 100°C cSt ASTM D445 5.55 5.561 6.99
Viscosity @ 40°C cSt ASTM D445 32.11 32.56 34.17
Viscosity Index ASTM D2270 110 108 170
Zinc, wt. % ASTM D5185 0.041 0.03 -
Brookfield Viscosity at -12°C, cP ASTM D2983 - - 14,297
Copper Strip Corrosion (3 hrs@100°C) ASTM D130 - - 1B
Hydrolytic Stability Test ASTM D2619 - - Pass
Rust Protection ASTM D665A - - Pass

Industry/OEM Approvals

Title PSF PSF w/ Stop Leak OEM PSF
ASTM D6158 Meets Requirements - -
Bosch Rexroth Suitable for Use - -
Cincinnati/MAG IAS P-68 Suitable for Use - -
DIN 51524, Part 1,2,3 Suitable for Use - -
Eaton E-FDGN-TB002-E, 35VQ25A Meets Requirements - -
General Motors LS-2 Suitable for Use - -
JCMAS HK Suitable for Use - -
Parker Denison HF-0, HF-1 Suitable for Use - -
Parker Denison HF-2 Suitable for Use - -
Racine Suitable for Use - -
Sperry Vickers/Eaton I-286-S, M-2950-S Suitable for Use - -
US Steel 127, 136 Suitable for Use - -
Allison C-3 - - Suitable For Use
Allison C-4, C-2 - - Suitable For Use
CAT TO-2 - - Suitable For Use
Chrysler MS-5931 - - Suitable for Use
Chrysler MS 5931F, P/N 04883077 - - Suitable for Use
Dexron III G/H, Dexron II, Dexron, AW1 - - Suitable for Use
Ford M2C128-C and D - - Suitable for Use
GM 9985010 - - Suitable for Use
GM 9985010 Saginaw Power Steering System - - Suitable for Use
Mercon, Ford ESP-M2C166-H - - Suitable for Use
Type A - - Suitable For Use

Information accurate as of November 11, 2025