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Emergency Vehicles

Emergency Vehicle Products

Premium API CJ-4 Synthetic 15W-40 Diesel Oil
Superior Shear Stability and Extended Drain Intervals in Ultra-Low Emission Diesel Engines
The premium choice diesel oil for model-year 2007 and newer heavy-duty and pickup truck diesel engines requiring API CJ-4 emission-quality oil standards. Delivers extraordinary lubrication in diesel engines in commercial, fleet and personal applications. Exceeds modern specs for emission-quality diesel oil.

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AMSOIL OE 15W-40 Synthetic Diesel Oil provides excellent protection and performance in both on- and off-road diesel engines for the original equipment manufacturer’s recommended drain interval. It meets API CJ-4 specifications and is suitable for both modern and older diesel applications.

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AMSOIL By-pass Oil Filters

Visit Online Store - Product Code: EABP90-EA


The Ea By-Pass Oil Filter (EaBP) provides the best possible filtration protection against wear and oil degradation. Working in conjunction with the engine’s full-flow oil filter, the AMSOIL Ea By-Pass Filter operates by filtering oil on a “partial-flow” basis. It draws approximately 10 percent of the oil pump’s capacity at any one time and traps the extremely small, wear-causing contaminants that full-flow filters can’t remove. The AMSOIL Ea Bypass Filter typically filters all the oil in the system several times an hour, so the engine continuously receives analytically clean oil.

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Formulated with advanced friction modifiers. Eliminates gear-housing chatter in cars, trucks and SUVs equipped with limited-slip, positraction and locking differentials. For use with both synthetic and petroleum gear lubricants and safely replaces manufacturer-recommended friction modifiers.

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Product Categories for

Emergency Vehicles

  • Oil
  • Gear Lube
  • AMSOIL By-Pass Filter


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