Feature 【GREAT COMPATIBILITY】: Custom-fitted, fit for 328.12031 Sears Craftsman Floor Jack 2 Ton, This full seals kit compatible with all years version. You’d better soak the seals with oil before installing. 【EXCELLENT FUNCTION】: Fast Repair Jack valve blocked, lifting or local speed uneven! Benifit to rebuilds the standard Hydraulic jack. Parts never wear out and can be resealed without any issues. 【SUPERIOR MATERIAL】: Made of durable environmental natural rubber with resists Oxidation, wear, tear, UV Rays and Solvents. All of the components of this kit meet or exceed OEM specifications. .