Part Name: 71445839 O‑RingMachine Models: Brand: HITACHI replacementType: Seal Kit / O‑Ring & Backup KitApplication: Used in hydraulic systems of Hitachi and Fiat‑Hitachi construction machinery to replace worn seals, maintain hydraulic pressure, and prevent fluid leakage and contamination.Size: Standard SizeSupply Ability: 10,000 sets per monthPerformance: Oil SealingPlace of Origin: ChinaPackaging Details:...

Product Overview The 71400137 hydraulic seal kit is a reliable aftermarket replacement for Fiat-Hitachi machinery. Designed for hydraulic cylinder repair applications, it includes rod seals, piston seals, backup rings, and O-rings to restore sealing performance and prevent hydraulic fluid leakage. It is commonly used for boom, arm, and bucket cylinder...

Product Description Looking for 464-9563? This aftermarket hydraulic cylinder seal kit is cross-referenced for compatible Caterpillar hydraulic mining shovels. CAT’s public fitment data lists 6015, 6015 FS, 6018, 6018 FS, 6030, 6030 FS, 6040 FS, 6050, 6060, and 6060 FS. Because fitment may change by serial number, cylinder assembly, and...

Product DescriptionAH210484 is an aftermarket cylinder rod seal kit 50mm supplied by Ruijueparts. John Deere references include 310G, 310SG, 410J, 650J and 648H; replacement catalogues identify a 50 mm rod-side kit across several cylinder positions. John Deere lists AHC11573 as a substitute reference. Check the cylinder and required components before...

Product Description VOE4789826, also referenced as 4789826, is an aftermarket wheel rim O-ring for selected Volvo construction equipment. It is a single sealing ring used in specified front or rear wheel-rim assemblies, rather than a hydraulic cylinder repair kit or a complete multi-piece seal kit. In the applicable rim configuration,...

Product Overview The 991/00159P hydraulic seal kit is a reliable aftermarket replacement for JCB machinery. Designed for hydraulic ram and lift cylinders, this comprehensive seal kit includes rod seals, piston seals, backup rings, and O‑rings to restore sealing performance and prevent fluid leakage. Ideal for use in telehandlers and other JCB...

Product Description70923596 is an aftermarket o-ring supplied by Ruijueparts. The Fiat-Allis 545/545H loader parts book lists this O-ring at the spindle-to-housing joint, with a 6.75 inch reference inside diameter. It is a single O-ring, not a hydraulic cylinder seal kit; check the axle diagram and housing configuration. For older equipment,...

Product Overview The 417356 Skeleton Oil Seal is a multi‑purpose oil and grease seal designed to prevent lubricant leakage and protect machinery components by keeping contaminants out and lubrication in. It fits standardized seal sizes used in industrial and automotive applications, offering reliable sealing performance for drive shafts and rotating...

Product Overview The 6229417 hydraulic seal kit is a reliable aftermarket replacement for Caterpillar machinery. Designed for motor grader hydraulic applications, it includes sealing components such as rod seals, piston seals, backup rings, and O-rings to restore sealing performance and prevent hydraulic fluid leakage. It is suitable for grader hydraulic...

Product Description Maintain peak hydraulic performance with the 707-99-26220 Blade Lift Cylinder Seal Kit, designed specifically for Komatsu GD705-5 motor graders. This high-quality aftermarket kit provides a reliable solution for preventing fluid leaks and restoring cylinder pressure. Each set includes precision-engineered components such as dust seals, piston seals, O-rings, and...

Product Description Ruijueparts provides the high-performance 12999801 Lift Cylinder Seal Kit (B175), specifically engineered for Sany heavy machinery. This comprehensive kit is designed to restore the hydraulic integrity of boom and lift cylinders, featuring premium piston seals, rod seals, dust wipers, and wear rings. Whether you are maintaining a modern...

Product Description625-5714 is an aftermarket seal kit referenced for selected Caterpillar boom and stick cylinder applications. The original reference spans excavators and forestry equipment, so identify the cylinder group before assigning the kit to a particular repair. Check the installed assembly and machine serial number, especially after a cylinder replacement....

Product Description The 7X-2710 Hydraulic Cylinder Seal Kit is an aftermarket replacement for selected Caterpillar wheel loaders, not a dedicated wheel-dozer kit. Official models include 966D, 966E, 966F, 966F II, 970F, 992C, and 992D. Catalogs show lift use on 966/970 and steering use on 992C/992D; function varies by cylinder. Use...

Product Description Looking for a reliable aftermarket 465-6206 hydraulic cylinder seal kit for your CAT heavy earthmoving equipment? Engineered to operate in extreme pressure and dirty mining environments, this seal kit prevents internal fluid bypass, preserves hydraulic pressure, and blocks abrasive dust from entering the cylinders. Essential for maintaining uptime on...

Product Description 6803281 is an aftermarket hydraulic cylinder seal kit referenced primarily as a blade cylinder kit for Bobcat compact excavators 220, 320, and 322. On selected X-320 excavator configurations, the same part-number reference is also associated with specific boom or arm cylinder applications; cylinder position depends on the machine...

Product Description 8G-4190 is an aftermarket equalizer bar seal for selected Caterpillar tracked equipment. Also called an E-bar seal, it is installed at equalizer bar end-pin or center-pin joints to retain grease while the undercarriage oscillates and to help exclude dirt and moisture. It is a single undercarriage sealing component,...

Product Overview The 71445811 hydraulic seal kit is a reliable aftermarket replacement for Hitachi machinery. Designed for hydraulic cylinders and arm applications, it includes rod seals, piston seals, backup rings, and O-rings to restore sealing performance and prevent fluid leakage. It is suitable for servicing arm hydraulic cylinders used in...

Product Description 331/39047 is an aftermarket replacement dipper cylinder seal kit for selected JCB crawler excavators. It is designed to service the arm/dipper hydraulic cylinder, helping technicians renew worn sealing components during cylinder repair. Published repair-kit data identifies a 95 mm rod and 130 mm bore configuration and associates the...

Product Overview 2877722 is an aftermarket hydraulic seal kit developed for Caterpillar sealing applications. It is commonly used in hydraulic steering cylinder maintenance, helping restore sealing performance, reduce oil leakage, and support stable hydraulic system operation in heavy equipment service. Product Details: Part Name: 2877722 Seal Kit Machine Models: RM500, RM500B, RM500B,...

Product Description Find aftermarket replacement seal kits for Hyundai R150W-9 wheeled excavators at Ruijueparts. Source hydraulic cylinder, travel motor, swing motor, center joint, and valve seal references by part number. We support multi-SKU RFQs, older-equipment sourcing, and neutral or customer-specified packaging. Item specifics Part Number: R150W-9 Fits Models: R150W-9 Brand:...

Product Description324-0355 is an aftermarket hydraulic cylinder seal kit referenced for selected Caterpillar excavator and wheel-loader applications. The original parts listing includes 320E LRR, 311F LRR, 924K and 930K, but the actual cylinder group must match. A machine can use several kits, including different attachment configurations. Ruijueparts can help compare...

Product Description 6671516 is an aftermarket hydrostatic pump seal kit for selected Bobcat skid-steer loaders and compact track loaders. It is used when servicing the applicable hydrostatic pump assembly, helping repair teams renew the required sealing elements during pump overhaul or leakage diagnosis. This reference is not a travel-motor kit,...

Product Description 3657807M91 is an aftermarket power steering ram seal kit for selected Massey Ferguson 4WD tractors. Also referenced as 3765414M91, this kit is used to reseal the applicable 32 mm steering-cylinder ram and support front-axle steering repair. It is not intended as a universal lift-cylinder or hydraulic-pump seal kit....

Product Description7322754 is an aftermarket seal kit for matching single-speed hydrostatic drive motors on Bobcat compact track loaders. Bobcat lists T550, T590, T595, T630, T650 and T76 among the reference models, with fit dependent on the machine serial number. Check the motor fitted to the loader rather than selecting by...