Product Description 1K-6982 is an aftermarket press-in hydraulic cylinder wiper seal for selected Caterpillar equipment. It is a Type A, single-lip wiper designed for a 2.50 in. rod application, not a complete cylinder repair kit. The wiper is fitted at the rod-end gland and cleans the rod as it retracts,...

Product Overview The 5439716 hydraulic seal kit is a reliable aftermarket replacement for Caterpillar machinery. Designed specifically for articulation cylinder applications in motor graders, it includes rod seals, piston seals, backup rings, and O-rings to restore sealing performance and prevent hydraulic fluid leakage. It is suitable for grader articulation systems...

Product Description The 489-1720 Bucket Cylinder Seal Kit from Ruijueparts is a high-performance aftermarket solution engineered for 50-ton class heavy excavators. Designed for 110mm Rods and 160/170mm Bores, this kit provides superior hydraulic retention and debris exclusion for high-pressure digging operations. We utilize premium materials to ensure our seals withstand...

Product Description The 397-9888 Tilt Cylinder Seal Kit by Ruijueparts is a high-performance aftermarket solution specifically designed for Caterpillar 950GC Wheel Loaders. This kit includes all essential seals, O-rings, and wear rings needed to restore full hydraulic integrity and prevent fluid leaks in the bucket tilt mechanism. Crafted from heavy-duty...

Product Description8E-5734 is an aftermarket external lip-type piston seal referenced for Caterpillar transmission service. Its profile and mating groove define the application; it is not a universal substitute for other rings in the same overhaul. Keep this reference separate from 8E-5736, 8E-5742 and 9W-9371 when preparing an order. Ruijueparts can...

Product Description 160-6386, 9Y-1655, and 8N-7139 are cross-reference numbers for an aftermarket radiator core and end-tank seal used in selected Caterpillar cooling-system assemblies. Made for radiator service work, this EPDM rubber seal reference helps buyers identify the correct component when rebuilding folded-core radiator sections or addressing leakage around radiator tank...

Part Name: 7J-3863 9J-1203 Seal KitMachine Models: 994, 69D, 773, 769D, 769C, 771D, 771CBrand: Caterpillar replacementType: Seal‑Ring / Ring SealApplication: Used in hydraulic and mechanical assemblies of Caterpillar machines to provide wear‑resistant sealing, prevent fluid leakage, and support pressure retention in heavy equipment systems.Size: Standard SizeSupply Ability: 10,000 sets per...

Product Description1217637, also written 121-7637, is an aftermarket backup ring referenced for the rear axle of selected Caterpillar wheeled excavators. It is a separate part of the sealing arrangement, not an alternative name for seal ring 121-7639. Keep both references distinct when preparing an axle repair order. Ruijueparts can help...

Product DescriptionFor a transmission resealing job, 9W-9371 is an aftermarket external lip-type piston seal referenced for selected Caterpillar equipment. It is an individual component and should remain separate from other transmission-ring numbers in a purchasing list. Check the transmission arrangement, piston location and machine serial details before ordering. Ruijueparts can...

Product Description7G-8666 is an aftermarket oscillating seal for matched Caterpillar equalizer-bar applications. This type of joint moves through an angle rather than functioning as a hydraulic cylinder rod gland, so the sealing position must be identified correctly. Check the original reference and pin arrangement when servicing the undercarriage support system....

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 This 330‑6820 buffer seal is a hydraulic buffer seal designed to absorb shock and protect sealing systems in Caterpillar heavy equipment. It fits Caterpillar machines requiring this OEM code and supports reliable performance in demanding applications. Product Details: Part Name:  330-6820 buffer seal Machine Models: 992  Brand: Caterpillar...

Product Description6K2430 is an aftermarket rotating-shaft lip seal with reference applications across Caterpillar wheel loaders, compactors and underground loaders. It is a single sealing item rather than an axle overhaul kit. Match the installed housing and original reference before ordering; equipment families alone do not establish the correct shaft position....

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 Description8F7702 is an aftermarket shaft lip seal referenced for selected Caterpillar backhoe loaders, wheel loaders and track-type tractors. It is an individual seal, and the number of rings visible in an illustrative photograph should not be used to infer a repair-kit contents list. Match the original reference and shaft...

Product Description3D8417 is an aftermarket rotating-shaft lip seal referenced for selected Caterpillar wheel loaders. The original reference is also formatted 3D-8417. It identifies a separate sealing component rather than a complete axle or transmission kit. Check the shaft interface and housing arrangement before ordering, because a loader uses several lip...

Product Description 4P-9942 is an aftermarket EPDM rubber radiator end-tank seal for selected Caterpillar cooling-system assemblies. With a 22.5 mm thickness, this reference is used during radiator repair to seal the specified joint between the radiator core and end tank, helping service teams address coolant leakage at the cooling-unit connection....

Product Description 258-8600 is an aftermarket replacement radiator seal cross-referenced to 272-5437 for selected Caterpillar modular cooling assemblies. This EPDM rubber seal is 159.4 mm long with a 48 mm inside diameter and is used to seal joints between radiator sections. It is important to confirm the removed seal length...

Product Description231-6843 is an aftermarket hydraulic cylinder seal ring for selected Caterpillar equipment applications. This component number must be distinguished from 231-6844, which identifies a cylinder seal kit. For a workshop order, establish whether the job needs one replacement component or a wider reseal set, then check the installed cylinder...

Product Description3L3313 is an aftermarket lip seal referenced for selected Caterpillar motor graders and marine engines. These are separate equipment applications, so a matching model family should be followed by an assembly-level check. Use the original number, also written 3L-3313, and identify the shaft sealing position before purchase. Ruijueparts supports...

Product Description The 7D-8436 D-Ring Seal is an aftermarket replacement transmission seal ring for selected Caterpillar motor graders. Its official reference inside diameter is 152.40 mm. The seal supports clutch operation in transmissions and torque converters by allowing oil to pass from a stationary component to a rotating component while...

Product Description130-6877 is an aftermarket sealing-ring reference used in selected Caterpillar wheeled-excavator and backhoe-loader applications. It is a distinct component from 130-6879, despite the similar numbers and their appearance in related repair lists. Use the assembly diagram to identify the exact sealing position before ordering. Ruijueparts can assist with reference...

Product Description9L5650 is an aftermarket O-ring reference used in selected Caterpillar grader and engine applications. It is a separate sealing ring, not a complete engine or transmission gasket set. Match the original reference and its groove position before ordering; colour and overall appearance do not establish size or material suitability....

Product Description242-6833 is an aftermarket hydraulic cylinder seal ring, supplied as a component reference rather than a complete cylinder repair kit. It is relevant to selected Caterpillar excavator and material-handling applications. When buying an individual ring, compare the original part number and the installed groove arrangement before deciding what else...