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Oil Sealing
We specialize in aftermarket seal kits compatible with brands such as Caterpillar, Komatsu, JCB, and John Deere. We offer B2B bulk order consultation and large-scale procurement services. With years of industry experience, we provide wholesale and long-term bulk supply services to our global business partners. Submit your bulk order details, and our professional B2B team will provide you with competitive pricing, fast delivery times, and customized supply solutions within 24 hours.
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, helping limit dust, water, and abrasive contamination entering the cylinder. Official references show use across older Caterpillar loaders, dozers, scrapers, graders, excavators, and other equipment. Match the original 1K-6982 number before ordering.
Part Number: 1K-6982
Fits Models: 916, 926, 926E, 936, 936E, 950, 966C, 966R, 980, 980B, 988, 992
Brand: Caterpillar replacement
Type: Hydraulic Cylinder Wiper Seal
Application:
Component: Hydraulic cylinder rod-end wiper seal
Function: Wipes external dirt and moisture from the piston rod during retraction.
Seal Profile: Type A, single-lip, press-in wiper
Wheel Loaders: 916, 926, 926E, 936, 936E, 950, 966C, 966R, 980, 980B, 988, 992
Track-Type Tractors: D4D, D4E, D5B, D5H, D6D, D6E, D6F, D6H, D7F, D7G, D7H, D9G
Track Loaders: 943, 953, 955C, 955H, 955K, 955L, 973, 977D, 977H, 977K, 983
Excavators: 215, 215B, 215C, 215D, 245, 245B, 245D
Motor Graders: 12E, 12F, 14E, 14G, 16, 16G, 140B
Wheel Dozers: 814B, 824B, 824C, 834B
Wheel Tractors / Scrapers: 615, 621, 621B, 621E, 623B, 623E, 627, 627B, 633, 633C, 633D, 637, 639D, 651, 657
Integrated Toolcarriers: IT18, IT18B, IT28, IT28B
Size: Standard Size
Q: Is 1K-6982 a complete hydraulic cylinder seal kit?
A: No. 1K-6982 is an individual press-in wiper seal. It is one component used at the rod end of a hydraulic cylinder.
Q: What does a wiper seal do?
A: It cleans the piston rod as the rod retracts into the cylinder, helping reduce the entry of dirt, moisture, and abrasive particles into the hydraulic system.
Q: Which rod size is associated with 1K-6982?
A: The official reference identifies 1K-6982 as a wiper seal for a 2.50 in rod application. Confirm the original part number and cylinder configuration before purchasing.
Q: Does 1K-6982 fit every cylinder on the listed Caterpillar models?
A: No. A machine can use several different hydraulic cylinders, each with different seals. The original 1K-6982 reference or cylinder parts diagram should be matched before ordering.
Our aftermarket seal kits deliver a practical, cost-effective solution without compromising on real-world performance. We offer a lower upfront cost and reliable sealing for your daily maintenance and repair needs.
We stock seal kits across CAT, Komatsu, Volvo, JCB, Hitachi, Doosan, John Deere, Kubota, and 10+ other brands—one supplier for your whole fleet.
Ship under RuijueParts branding, neutral (unbranded) packaging, or your own private label. Suitable for resellers and distributors.
When genuine OEM seals are out of production for your old machinery, we can custom-make oil seals using your dimensions or our engineer-recommended specifications.
Ship under RuijueParts branding, neutral (unbranded) packaging, or your own private label. Suitable for resellers and distributors.
Volume pricing for repair shops, dealers, and fleet operators. Get a quote via our website or WhatsApp: +86 13692100161.
OEM seal kits are the right choice when machinery is under active warranty, operating at peak duty cycles, or when failure risk is unacceptably high. Budget aftermarket—like Ruijue Parts—makes sense in these common scenarios:
When a machine is aging out of your fleet, OEM parts cost more than the job warrants. A budget kit extends service life without over-investing.
For machines used infrequently or on lower-intensity tasks, premium OEM pricing may not be justified.
When OEM stock is out or delivery takes weeks, an available aftermarket kit gets your machine running now.
Repair shops and fleet managers running high volumes of machines often balance OEM and aftermarket across their portfolio based on criticality.
Fully retract the cylinder and relieve system pressure before disassembly. Never work on a pressurized circuit.
Remove from the machine. Unthread the gland nut and withdraw the piston rod carefully to avoid surface damage.
Clean the bore, rod, and all metal parts with a lint-free cloth. Contamination introduced during reassembly accelerates seal wear—this step is especially important for budget-grade seals.
Check for scoring or pitting. Budget seals are more sensitive to surface imperfections—address rod damage before fitting new seals.
Lightly coat each seal with clean hydraulic fluid before installation. Use proper seal drivers — not screwdrivers or sharp tools — to avoid nicking the sealing lip.
Torque the gland nut to spec and cycle the hydraulic system under no-load conditions. Inspect for leaks before returning the machine to service.
Budget-grade seals may have shorter service intervals than OEM. Inspect rod seals for moisture, oil film, or weeping more frequently and replace proactively.
Contaminated fluid degrades seals faster — this applies especially to non-OEM materials. Replace fluid and filters on schedule.
When storing equipment with cylinders extended, protect rod surfaces from corrosion and debris to preserve wiper seal life.
Avoid using sharp tools during assembly to prevent nicks or scores on the seal lips. Pre-lubricating all components with clean hydraulic oil is recommended to ensure a smooth fit into the cylinder grooves.
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First order was a pleasant surprise-
great value for money.
Good! The 101529-00005 seal kit
performed exceptionally. No oil leaks,smooth operation.
Fast delivery and exactly as described.Highly recommend!
Seals fit well and arrived on time.
Good quality for the price.
