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...

Choose the seal kit of Ruijueparts. Slash costly downtime. Condition: New – Open box: A new, unused item Brand: DOOSAN replacementTarget Audience: Customers with long-term procurement needs for sealing kits, including repair shops, distributors, import/export trading companies, and construction machinery rental companies.

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...

Product Description This aftermarket 561-33-71450 rear brake backup ring is referenced for the rear wheel and rear axle final brake assembly of selected Komatsu HD785-7 rigid mining dump trucks. It is an individual brake sealing-support component, not a complete seal kit or a standard O-ring. The ring is listed in...

Product DescriptionRE20342 is an aftermarket piston seal supplied by Ruijueparts. John Deere 315SG backhoe loader stabilizer cylinder, serial numbers through 944155, is one documented application; replacement catalogues identify a 70 mm bore seal. The piston seal is only one item in the bore repair group. It should not be ordered...

Product Description 17M-15-05110 is an aftermarket transmission service kit matched 1:1 to the original Komatsu repair kit reference. It is used for transmission service on specified D275A-5 and D275AX-5 crawler dozer configurations. This product belongs to the transmission assembly, while 17M-13-05040 is a separate torque converter service-kit reference; the two...

Product Description The aftermarket 195-22-05030 service kit is referenced for the transmission control and steering-related service system of verified Komatsu D375A-6 track-type tractors. It should be treated as a control service kit, rather than a hydraulic cylinder repair kit or a full transmission overhaul gasket set. This distinction matters when...

Product Description 180-27-11620 is an aftermarket final drive O-ring matched to the original Komatsu part-number reference. It is a single sealing component used in specified articulated dump truck final drive and brake hub assemblies, not a hydraulic cylinder repair kit or complete final drive seal kit. Its role is to...

Product Description85800007 is an aftermarket back-up ring supplied by Ruijueparts. The CNH parts listing identifies a back-up ring. A New Holland LB90.B hydraulic lifting-cylinder diagram lists this reference among the cylinder service parts. A back-up ring is not an O-ring or a complete kit. Preserve the specified seal arrangement and...

Product Description This aftermarket 561-34-71590 brake backup ring is referenced for selected Komatsu HD785-7 rigid mining dump truck front wheel brake assemblies. It is a single sealing-support component within the brake system, not a hydraulic cylinder seal kit or a complete brake overhaul kit. A backup ring must be installed...

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 Description This aftermarket 561-33-71471 brake backup ring is referenced for selected Komatsu HD785-7 front axle brake assemblies. It is an individual support ring in the brake sealing arrangement, not a complete brake seal kit or a standard O-ring. The reference is listed in both left- and right-hand front brake...

Product Description 17M-13-05040 is an aftermarket torque converter service kit matched 1:1 to the original Komatsu repair kit reference. It is designed for service work on the torque converter assembly in a specified D275A-5D crawler dozer configuration. The torque converter transfers engine power through the powertrain, so its sealing components...

Product DescriptionH156587 is an aftermarket cylinder rod wiper seal supplied by Ruijueparts. Replacement catalogues identify a 40 mm rod wiper; the John Deere 1750 planter parts diagram lists H156587 within the cylinder service group. A wiper at the rod entrance has a different role from the pressure seal. Match the...

Product Description 17M-15-05121 is an aftermarket transmission control valve service kit matched 1:1 to the original Komatsu kit reference. It is used for servicing the transmission control valve on selected D155AX-5, D275A-5, and D275AX-5 crawler dozers. This valve manages transmission hydraulic circuits and gear-control functions within the powertrain; it is...

Product Description This aftermarket 561-33-71550 rear brake backup ring is referenced for selected Komatsu HD785-7 rear wheel and rear axle final brake assemblies. It is an individual sealing-support component used in the brake-piston arrangement, not a full brake repair kit or a standard O-ring. The correct component must be selected...

Product Description This aftermarket 561-33-71480 brake backup ring is referenced for the front wheel brake assembly of selected Komatsu HD785-7 rigid mining dump trucks. It is an individual sealing-support ring used within the brake assembly, rather than a complete seal kit or a standard O-ring. When the brake assembly is...

Product Description This aftermarket 561-34-71680 brake backup ring is referenced for selected Komatsu HD785-7 rigid mining dump truck front wheel brake assemblies. It is an individual backup ring within the brake sealing arrangement, not a complete seal kit or a general-purpose O-ring. During brake service, the ring must be matched...

Product Description AT85197 is an aftermarket flat-face O-ring assortment kit for servicing compatible John Deere hydraulic connections. The reference kit contains 80 O-rings in eight common sizes, listed as 90-durometer O-rings for #4, #6, #8, #10, #12, #16, #20, and #24 fittings. It is intended for fitting-level maintenance, not for...

Product Description 6I-2435 is an aftermarket replacement radiator spacer for selected Caterpillar cooling-system assemblies. This EPDM rubber component has an 80 mm inner diameter, a 108 mm outer diameter, and a 25 mm thickness. It creates the required clearance between the radiator and its mounting structure within radiator or aftercooler...

Product Description This aftermarket 561-34-71661 brake backup ring is referenced for the front axle brake assembly of selected Komatsu HD785-7 mining dump trucks. It is an individual sealing-support component, not a complete hydraulic cylinder repair kit. In a brake-piston sealing arrangement, a backup ring helps support the mating seal under...

Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: 2H3780 Condition: New – Open box: A new, unused item Brand: CATERPILLAR replacementTarget Audience: Customers with long-term procurement needs for sealing kits, including repair shops, distributors, import/export trading companies, and construction machinery rental companies.

Product Description AH173410 is an aftermarket 80 mm unitized hydraulic-cylinder piston for verified John Deere applications. Deere identifies AH173410 as a hydraulic cylinder piston, rather than a complete rod-and-bore seal kit. It is the piston-side assembly that provides sealing within compatible 80 mm bore cylinders. Published dimensions list a 30.58...

Product Description This aftermarket 569-33-71510 rear brake piston ring is referenced in selected Komatsu mining dump truck rear axle and rear wheel brake assemblies. It is an individual ring used with the brake piston and adjacent sealing components during brake overhaul; it is not a complete brake seal kit or...