Overview Reviews Product Description GTY3-04-00SK Challenger Seal Kit for the MR6 mid-rise lift. For the GTYJ3-04-00R and GTYJ3-04-00L hydraulic cylinders. We are an authorized challenger distributor. Genuine Challenger lift parts! Product Videos Custom Field Product Reviews Write a Review Write a Review × Challenger GTY3-04-00SK Challenger Seal Kit for MR6 Hydraulic Cylinders Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *