Enter your Differential Type, Housing Size, Gear Ratio, Operating Temperature, Application Type, Fluid Preference, and Viscosity Grade to calculate your Fluid Capacity, Recommended Fluid Type, Service Interval, and Estimated Fluid Cost.
Fluid Capacity
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Capacity (Liters)
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Recommended Fluid Type
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Service Interval
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Estimated Fluid Cost
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Differential fluid capacity varies by housing size and type. Most passenger car differentials hold 1.5-3 quarts, while truck and performance differentials may require 3-5 quarts or more.
The fluid type depends on your differential design and operating conditions. Limited slip differentials require special additives, while open differentials can use standard gear oil.
Service intervals vary by application. Street vehicles typically need changes every 30,000-60,000 miles, while racing or heavy-duty applications may require more frequent service.
Using incorrect viscosity can cause poor shifting, increased wear, and reduced fuel economy. Always match the viscosity grade to your operating temperature and manufacturer specifications.
Synthetic fluids offer better temperature stability, longer service life, and improved protection under extreme conditions, but cost more than conventional gear oils.
Yes, limited slip differentials require either special LSD fluid or conventional gear oil with friction modifier additives to prevent chatter and ensure proper operation.
Higher operating temperatures require higher viscosity grades or synthetic fluids for better thermal stability. Cold climates benefit from lower viscosity grades for easier cold-weather operation.