Find a heavy-duty oil seal that is reliable, consistent, and will protect your boat's bearings and shafts from contact with water, dirt, dust, or other foreign matter. The Seal - Sierra Marine Engine Parts (18-8351) has a 1.110 inches shaft size, 1.570 inches outer diameter, and 0.320-inch width. This oil seal is intended to meet OEM part specifications and perform optimally. The Seal - Sierra Marine Engine Parts (18-8351) is replaceable with 47-8351, GLM87130, 808282105846, 92-87130. It has a heavy-duty circular metal exterior and an interior seal that prevents leaks and foreign matter from entering. Key Features: 1.110 inches shaft size 1.570 inches outer diameter 0.320-inch width Intended to meet OEM part specifications and perform optimally Replaceable with 47-8351, GLM87130, 808282105846, 92-87130 Heavy-duty circular metal exterior Interior seal that prevents leaks and foreign matter from entering Specifications: Brand: Sea Star Solutions SKU: 18-8351 UPC: 808282105846 Weight: 0.03 LBS Manufacturer Part Number (MPN): 18-8351 O.D.: 1.570", Shaft Size: 1.110", Width: 0.320"This product replaces:47-8351, GLM87130, 808282105846, 92-87130