Overview Reviews Product Description Protects the universal joint from dirt and contaminants, while lubrication is retained Lovejoy on-site replacement boots ensure proper lubrication for up to five times longer universal joint life Installation and replacement is fast and easy, so your machine can be back in operation in minutes Lovejoy universal joints D, D SS, DD, DDX, HD, and NB come pre-grooved Use the larger type diameter upper type boots when possible (and use lower type boots when space restricted) Standard boots are packaged two to a bag Timken Lovejoy Master Catalog U-Joint Assembly Instruction Guide Product Videos Custom Field Series D-3 Coupling type Universal joint Product Reviews Write a Review Write a Review × Timken D-3 Series Lovejoy® Upper Boot Set w/ Ties D3-UPPER BOOTS & TIES-SET OF 2 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *