Excavator Seal Kits

YNF16835 D31P-20 Track Adjuster Seal Kit Excavator Tension Cylinder Repair Kit Product Overview The YNF16835 (D31P-20) Track Adjuster Seal Kit is designed for Komatsu D31P-20 bulldozers , providing a complete sealing solution for the track adjuster (tension cylinder). Built with high-quality rubber and polymer materials, this kit ensures smooth adjustment of track tension, prevents hydraulic leakage, and delivers long-lasting durability in tough working environments. Key

YNF16834 416-0092 CAT 730 Seal Kit Excavator Hydraulic Repair Kit Product Overview The YNF16834 (416-0092) Seal Kit is designed for CAT 730 articulated trucks , providing a complete sealing solution for hydraulic system maintenance. Manufactured with high-grade rubber and polymer materials, this kit ensures excellent sealing performance, leak resistance, and long service life under heavy-duty working conditions. Key Features Compatible with CAT 730 articulated dump trucks

YNF16770 S19017-21199 SK025 Pilot Seal Kit Excavator Control Handle Valve Repair Kit Product Overview The YNF16770 (S19017-21199) Pilot Seal Kit is designed for Kobelco SK025 excavators , providing a reliable sealing solution for the pilot control handle valve. Made with premium rubber and polymer materials, this kit ensures smooth control response, stable hydraulic performance, and long-lasting durability in daily operation. Key Features Compatible with Kobelco SK025

YNF16069 172446-73900 VIO15-2 Centre Joint Seal Kit Excavator Rotary Manifold Repair Kit Product Overview The YNF16069 (172446-73900) Centre Joint Seal Kit is specially designed for the Yanmar VIO15-2 excavator , providing a reliable sealing solution for the center joint (rotary manifold). Manufactured using high-quality rubber and polymer materials, this seal kit ensures smooth hydraulic oil transfer between the upper and lower structure while preventing leakage under

YNF12211 518-5137 CAT 330D Stick Ram Seals Oil Cylinder Repair Kit Product Overview The YNF12211 (518-5137) Stick Ram Seal Kit is designed for CAT 330D excavators , providing a complete sealing solution for the stick (arm) hydraulic cylinder. Manufactured with premium rubber and polymer materials, this repair kit ensures excellent durability, leak-free performance, and extended service life even under heavy-duty working conditions. Key Features Compatible with CAT 330D

YNF17002 129795-01800 ZX30U-2 3TNV88 Front Crankshaft Seal – Excavator Engine Seal Product Overview The YNF17002 Front Crankshaft Seal (part number 129795-01800 ) is a high-quality replacement designed for ZX30U-2 and 3TNV88 engines . This front crankshaft seal ensures a secure closure to prevent oil leakage and protect engine components from contamination. Made from durable, heat- and oil-resistant materials, it provides reliable performance under demanding operating

YNF17001 129795-01780 ZX30U-2 3D88 Rear Crankshaft Seal – Excavator Engine Seal Product Overview The YNF17001 Rear Crankshaft Seal (part number 129795-01780 ) is a high-quality replacement designed for ZX30U-2 and 3D88 engines . This seal ensures a tight closure at the rear crankshaft, preventing oil leakage and protecting the engine from contamination. Manufactured with durable, heat-resistant materials, it provides reliable performance even under heavy-duty operating

YNF16999 217-5701 CAT3126E / C9 Gasket – Engine Seal Strip for Excavators Product Overview The YNF16999 Gasket (part number 217-5701 ) is a high-quality replacement seal strip designed for CAT3126E and C9 engines . Manufactured with durable, heat-resistant materials, this gasket ensures a reliable seal between engine components, preventing oil or coolant leaks, maintaining optimal engine performance, and extending component life. Key Features Direct replacement for 217-5701

YNF17574 Set Plate M5X130 – Return Plate with Elastic Plate & 9-Hole Disc Product Overview The YNF17574 Set Plate is a high-quality replacement component designed for heavy machinery and hydraulic systems. This assembly includes a spring-loaded elastic plate and a 9-hole return disc , engineered to maintain proper tension and smooth operation in clutch or braking systems. Manufactured with durable steel and precision-machined surfaces, it ensures reliable performance under

YNF17573 Seal Kit 326-0502 for CAT 966 – Complete Hydraulic Repair Set Product Overview The YNF17573 Seal Kit is a premium replacement kit designed for CAT 966 loaders . It contains all essential seals, O-rings, and gaskets required to restore hydraulic and mechanical system integrity. Constructed with high-quality materials, this kit ensures leak-free operation, protects critical components, and extends the service life of the machine under heavy-duty work conditions. Key

YNF17572 Seal Kit 295-9888 for CAT 966 – Hydraulic Repair Set Product Overview The YNF17572 Seal Kit is a high-quality replacement set designed for the CAT 966 loader . Engineered to restore the integrity of hydraulic and mechanical systems, this kit contains precision-manufactured seals, O-rings, and gaskets. Using this kit ensures leak-free operation, maintains system pressure, and prolongs the service life of key components under heavy-duty conditions. Key Features

YNF17571 Seal Kit 365-2880 for CAT 966 – Complete Repair Set Product Overview The YNF17571 Seal Kit is a comprehensive replacement kit for CAT 966 machines, designed to restore the sealing integrity of hydraulic and mechanical systems. It contains high-quality seals, gaskets, and O-rings manufactured to OEM specifications. This kit ensures leak-free operation, prolongs component life, and maintains system pressure and efficiency under heavy-duty conditions. Key Features

YNF17518 LF01V00005R100 Seal Kit – Oil Seal Repair Kit Product Overview The YNF17518 Seal Kit (OEM reference LF01V00005R100 ) is a comprehensive oil seal repair kit designed for heavy-duty engines and hydraulic systems. It includes all essential seals, O-rings, and gaskets required to restore sealing performance, prevent oil leaks, and maintain system pressure. Manufactured from high-quality elastomers and materials, the kit ensures long-lasting durability, resistance to heat

YNF17483 124411-01780 AH3983E Rear Seal – Crankshaft Rear Oil Seal Product Overview The YNF17483 Rear Seal (OEM reference 124411-01780 / AH3983E ) is designed for use as a crankshaft rear oil seal in heavy-duty engines and machinery. It provides a reliable barrier to prevent oil leakage from the rear end of the crankshaft, ensuring engine lubrication integrity. Manufactured with high-quality elastomer materials and reinforced sealing lips, this rear seal maintains durability

YNF17348 150-5697 Lip-Type Seal – CAT 306E Bucket Pin Oil Seal Product Overview The YNF17348 Lip-Type Seal (OEM reference 150-5697 ) is engineered for the CAT 306E excavator bucket linkage system. This oil seal ensures reliable grease retention inside the pin joint while blocking external contaminants that commonly cause wear. Made with premium elastomer compounds, it provides long-lasting sealing performance under continuous movement and heavy-load operations. Key Features

Blade Lift Cylinder Seal Kit for Komatsu D53A-18 – 130-63-X3040 Hydraulic Cylinder Rebuild Kit Product Description: Product Overview The YNF16435 Blade Lift Cylinder Seal Kit is designed specifically for the Komatsu D53A-18 bulldozer, matching OEM part number 130-63-X3040. This seal kit is used to rebuild the hydraulic cylinder that raises and lowers the dozer blade, helping restore lifting performance and prevent hydraulic oil leakage. Whether you're repairing a leaking

Track Adjuster Seal Kit for Komatsu PC55MR-5 – Heavy-Duty Excavator Recoil Spring Seal Repair Kit Product Description: Product Overview The YNF16434 Track Adjuster Seal Kit is specifically designed for Komatsu PC55MR-5 mini excavators. This high-performance seal kit is essential for maintaining the track tensioning system, also known as the recoil spring or idler adjuster. Built with durable materials, it ensures consistent pressure and prevents oil or grease leakage,

Hydraulic Pump Seal Kit for PC200-6 6D102 – Durable Excavator Oil Seal Kit Product Description: Product Overview This Hydraulic Pump Seal Kit is specially designed for the Komatsu PC200-6 excavator with 6D102 engine. Manufactured by YNF Machinery, this kit ensures excellent sealing performance even under tough working conditions. It's the perfect solution for repair shops and construction sites that demand reliable and long-lasting hydraulic performance. Key Features Perfect

This arm seal kit, part number YNF16739, is precisely manufactured for Hyundai R145-9 excavators. It corresponds to the OEM number 31Y1-31150 and is specifically designed for the arm hydraulic cylinder, also known as the mid-boom cylinder. This kit provides all the critical sealing components necessary for a complete cylinder rebuild, ensuring optimal performance and extended equipment life. Engineered to meet or exceed OEM performance standards, this seal kit delivers

Product Description: Overview The YNF16738 bucket seal kit is engineered for the Caterpillar CAT 307 excavator and corresponds to OEM reference number 105-7253. This seal kit is designed to restore the performance of your excavator's bucket hydraulic cylinder, ensuring maximum sealing efficiency, extended service life, and resistance to high pressure and abrasion. It includes all the critical sealing components required for a full cylinder rebuild. Machine Compatibility Model