Chuang QIan 6803329 Hydraulic Cylinder Seal Kit for Bobcat 444 500 540 642 643 741 & More Bobcat OEM 6803329 7137769 Feature FITMENT -- Fits for hydraulic cylinder with 2" bore and 1-1/4" diameter rod. Seals should be replaced to prevent leaking cylinders. DIRECT REPLACEMENT -- Replaces Bobcat OEM part number 6803329, 7137769. MODEL COMPATIBILITY -- 444, 500, 520, 530, 533, 540, 542B, 543, 600, 610, 620, 630, 642, 642B, 643, 700, 720, 721, 722, 730, 731, 732, 741, 742, 742B, 743, 743B, 743DS, 751, 753, 974, 975, 444M & More. LIFT CYLINDER -- Package includes Piston Seal 6516231, Piston Nut 92D12 and O rings. SATISFACTION GUARANTEE -- If you are not satisfied with Our products, simply return it for a full refund in 30 days. Guarantee with 12 months warranty. No worry about buying! Product Description 7137769 / 6803329 seal kit for hydraulic cylinder with 2" bore and 1-1/4" diameter rod. Seals should be replaced to prevent leaking cylinders. Applications: 444, 500 Lift cylinder 520, 530, 533, 540, 542B, 543 Lift cylinder 600, 610, 620, 630 Lift cylinder 642 Lift cylinder p/n 6586671 Serial #5014-M-11001 642B Lift cylinder 643 Lift cylinder (replaceable tube) p/n 6586671 Serial #5015-M-13001 700, 720, 721, 722, 730, 731, 732, 741, 742, 743 Lift cylinder 742B, 743B, 743DS Lift cylinder p/n 6586671 Serial # 18001 & above 751 Lift cylinder p/n 6586575 Serial #514711001 753 LIFT CYLINDER 974, 975, 444M Attachments: Backhoe, Fifth Wheel, Grapple, Hydra-Tilt, Planer, Power Rake, Stump Grinder, V-Blade Be sure to double check part number with OEM before purchase. Thanks! Package Included 1 X Hydraulic Cylinder Seal Kit