QuadBoss 2011 Arctic Cat 1000 H2 LTD Water Pump Mechanical SealThe QuadBoss Water Pump Mechanical Seals are direct O. E. M. replacements at a fraction of the cost. Features high quality seal face material that performs better, combined with corrosion and chemical resistant materials that keep the engine cleaner, safer and cooler. This Part Fits: Year Make Model Submodel 1998 2001 Arctic Cat 400 2x4 Base 1998 2000 Arctic Cat 400 4x4 Base 1998 1999 Arctic Cat 500 4x4 Base 2000 2002 Arctic Cat 500 4x4 Auto Base 2011