Your engine’s top-end is sparsely lubricated and prone to the development of performance-robbing deposits. It’s also highly susceptible to corrosion, an issue compounded by the prevalence of ethanol in today’s fuel. AMSOIL Upper Cylinder Lubricant is designed to solve those is- sues. Its AMSOIL-exclusive, powerful formulation helps maximize engine power and performance while increasing engine life. And unlike competing fuel additives, AMSOIL Upper Cylinder Lubricant works.
Donaldson® Endurance™ air and oil filters, available through AMSOIL, provide the highest level of filtration efficiency in the industry for heavy equipment. Specifically designed for on-road, heavy-duty class 6, 7 and 8 vehicles,Donaldson® Endurance™ air and oil filters feature exclusive nanofiber technology. Class 6 vehicles, 19,501 to 26,000 pounds gross vehicle weight (GVW), include single-axle vans, beverage trucks and school buses; class 7, 26,001 to 3,000 pounds GVW, include refuse trucks, tow trucks and city transit buses; class 8 trucks, 33,000 pounds GVW and greater, include fuel haulers, inter-city/tour buses and cement trucks. Donaldson® Endurance™ synthetic air and oil filters and AMSOIL synthetic lubricants together deliver unrivaled protecion, longer engine life and reduces maintenance costs for on-highway trucks, vans and buses in classes 6.7 and 8 for fleets across the nation.