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Excavator Seal Kits | Heavy Equipment Aftermarket | Ruijueparts

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Ruijueparts specializes in high-quality excavator seal kits for the heavy equipment aftermarket. Our professional-grade sealing solutions are designed to restore the hydraulic performance of leading brands like Caterpillar, Komatsu, Volvo, and Hitachi. Engineered from premium materials, these aftermarket kits provide exceptional wear resistance and leak protection under extreme high-pressure conditions. By choosing Ruijueparts, you reduce costly downtime and extend the service life of your hydraulic cylinders and motors. Explore our durable, cost-effective seal kits and keep your fleet running efficiently on any job site.

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  • Aftermarket 4649745 hydraulic boom cylinder seal kit with 95 mm rod components for Hitachi ZX270-3 excavator repair.

    4649745 Boom Cylinder Seal Kit For Hitachi John Deere | Ruijueparts

    Vendor:
    RuiJueParts

    4649745 Boom Cylinder Seal Kit For Hitachi John Deere | Ruijueparts

    Product Description Looking for a reliable aftermarket repair solution? Part number 4649745 is a premium hydraulic boom cylinder seal kit precisely engineered for mid-to-large excavators. Manufactured with high-grade NBR and polyurethane materials, this kit ensures excellent wear resistance and leak prevention under high pressure. At Ruijueparts, we specialize in high-quality...
    Regular price $36.92
    Regular price Sale price $36.92
    Unit price /  per 
  • 71418473 hydraulic cylinder oil seal for Fiat-Hitachi EX-215, EX-225, and EX-235 excavators

    71418473 71418481 Hydraulic Cylinder Seal Kits for Fiat-Hitachi | Ruijueparts

    Vendor:
    RuiJueParts

    71418473 71418481 Hydraulic Cylinder Seal Kits for Fiat-Hitachi | Ruijueparts

    Product Description Aftermarket 71418473 hydraulic cylinder oil seal for compatible Fiat-Hitachi EX-215, EX-225, and EX-235 crawler excavators. Fitted in the cylinder sealing system, it helps retain hydraulic oil, reduce leakage, and block contaminants as the cylinder extends and retracts. Applications may vary between boom, arm, and bucket cylinders or by...
    Regular price $14.62
    Regular price Sale price $14.62
    Unit price /  per 
  • 319-3557 hydraulic seal kit replacement for Caterpillar equipment showcasing durable O-rings and oil seals.

    319-3557 blade lift tilt cylinders seal kits Replacement For Caterpillar | Ruijueparts

    Vendor:
    RuiJueParts

    319-3557 blade lift tilt cylinders seal kits Replacement For Caterpillar | Ruijueparts

    Product Description Optimize your machinery's efficiency with our premium aftermarket 319-3557 hydraulic seal kit, engineered to fit Caterpillar equipment flawlessly. Designed for high-pressure hydraulic systems, this kit utilizes top-tier, wear-resistant fluororubber and polyurethane materials. It effectively prevents oil leakage, blocks contaminants, and maintains systemic pressure under harsh operating conditions. As...
    Regular price $22.39
    Regular price Sale price $22.39
    Unit price /  per 
  • Aftermarket 707-99-72320 boom cylinder hydraulic seal kit replacement for Komatsu excavators by Ruijueparts

    707-99-72320 Boom Cylinder Seal Kit For Komatsu Excavator | Ruijueparts

    Vendor:
    RuiJueParts

    707-99-72320 Boom Cylinder Seal Kit For Komatsu Excavator | Ruijueparts

    Product Description Keep your hydraulic systems running at peak efficiency with the high-quality 707-99-72320 Boom Cylinder Seal Kit from Ruijueparts. Designed as a premium aftermarket replacement for Komatsu heavy machinery, this repair kit contains all the essential wear-resistant components required to prevent fluid leaks, safeguard sensitive systems against dirt and...
    Regular price $36.34
    Regular price Sale price $36.34
    Unit price /  per 
  • 707-99-67871 premium aftermarket boom cylinder hydraulic seal kit for Komatsu PC400-8 and PC450-8 excavators showing rod and piston seals.

    707-99-67871 Boom Cylinder Seal Kit for Komatsu PC400-8 PC450-8 | Ruijueparts

    Vendor:
    RuiJueParts

    707-99-67871 Boom Cylinder Seal Kit for Komatsu PC400-8 PC450-8 | Ruijueparts

    Product Description Looking for a reliable solution to fix oil leaks or arm drifting on your heavy excavators? The 707-99-67871 Premium Aftermarket Boom Cylinder Seal Kit is engineered precisely for Komatsu 40-ton to 45-ton large excavators (rod: 110 mm / bore: 160 mm). This complete heavy-duty rebuild kit includes high-performance...
    Regular price $27.62
    Regular price Sale price $27.62
    Unit price /  per 
  • Premium aftermarket 707-99-74080 hydraulic cylinder seal kit for Komatsu PC500 & D375A-6. Prevent leaks & boost pressure. 30k+ parts database.

    707-99-74080 Boom Cylinder Seal Kit Fits Komatsu PC500 | Ruijueparts

    Vendor:
    RuiJueParts

    707-99-74080 Boom Cylinder Seal Kit Fits Komatsu PC500 | Ruijueparts

    Product Description Tip for formatting: This section uses structured paragraphs and bold text for clarity and scannability. Looking for a reliable aftermarket sealing solution to restore your equipment's hydraulic power? The 707-99-74080 hydraulic cylinder seal kit is precision-engineered to perfectly fit Komatsu PC500 excavators and D375A-6 crawler dozers. Manufactured from...
    Regular price $29.07
    Regular price Sale price $29.07
    Unit price /  per 
  • 707-99-32140 Komatsu track adjuster seal kit for PC110-8M0 excavator and GD655 grader steering cylinder.

    707-99-32140 Adjuster Seal Kit for Komatsu PC110-8M0 GD655 | Ruijueparts

    Vendor:
    RuiJueParts

    707-99-32140 Adjuster Seal Kit for Komatsu PC110-8M0 GD655 | Ruijueparts

    Product Description The 707-99-32140 Seal Kit is a specialized sealing solution engineered for Komatsu heavy machinery, serving dual critical roles depending on your equipment type. For PC110-8M0 excavators, it functions as the Track Adjuster (Tension) Cylinder Seal Kit, maintaining the high-pressure grease required to keep tracks properly tensioned and prevent...
    Regular price $15.99
    Regular price Sale price $15.99
    Unit price /  per 
  • 707-99-25270 aftermarket hydraulic seal kit for Komatsu motor grader blade shift cylinder repair.

    707-99-25270 Blade Shift Cylinder Seal Kit for Komatsu GD655 | Ruijueparts

    Vendor:
    RuiJueParts

    707-99-25270 Blade Shift Cylinder Seal Kit for Komatsu GD655 | Ruijueparts

    Product Description Keep your motor grader performing at peak efficiency with the 707-99-25270 Blade Shift Cylinder Seal Kit. Specifically engineered for aftermarket excellence, this kit is designed to handle the high-pressure demands and constant shock loads associated with blade lateral movement. Each componentβ€”from the reinforced piston seals to the precision-fit...
    Regular price $15.99
    Regular price Sale price $15.99
    Unit price /  per 
  • 707-98-24530 Bucket Cylinder Repair Kit for Komatsu PC120-5 Excavator, Hydraulic Seal Replacement.

    707-98-24530 Bucket Cylinder Seal Kit for Komatsu PC120-5 | Ruijueparts

    Vendor:
    RuiJueParts

    707-98-24530 Bucket Cylinder Seal Kit for Komatsu PC120-5 | Ruijueparts

    Product Description Restore the digging power of your Komatsu excavator with the 707-98-24530 Bucket Cylinder Seal Kit. Specifically engineered for the PC120-5 series, this high-performance aftermarket kit fits 105mm bore and 70mm rod bucket cylinders perfectly. It provides a reliable seal against high-pressure hydraulic fluids, preventing power loss and external...
    Regular price $14.28
    Regular price Sale price $14.28
    Unit price /  per 
  • 707-99-66670 Arm Cylinder Seal Kit for Komatsu PC400-7 PC450-7 Heavy Excavator Repair.

    707-99-66670 Arm Cylinder Seal Kit for Komatsu PC400-7 PC450-7 | Ruijueparts

    Vendor:
    RuiJueParts

    707-99-66670 Arm Cylinder Seal Kit for Komatsu PC400-7 PC450-7 | Ruijueparts

    Product Description Enhance the reliability of your heavy-duty excavator with the 707-99-66670 Arm Cylinder Seal Kit. Specifically engineered for Komatsu PC400-7 and PC450-7 series, this premium aftermarket kit is designed to handle the rigorous demands of high-load excavation. It perfectly fits 185mm bore and 130mm rod cylinders, ensuring a precise...
    Regular price $21.99
    Regular price Sale price $21.99
    Unit price /  per 
  • 707-99-67010 Hydraulic Bucket Cylinder Seal Kit for Komatsu PC400-7 Excavator Repair.

    707-99-67010 Bucket Cylinder Seal Kit for Komatsu PC400-7 | Ruijueparts

    Vendor:
    RuiJueParts

    707-99-67010 Bucket Cylinder Seal Kit for Komatsu PC400-7 | Ruijueparts

    Product Description Ensure your heavy-duty excavators maintain maximum breakout force with the 707-99-67010 Bucket Cylinder Seal Kit. Specifically engineered for Komatsu PC400-7 and PC450-7 series, this aftermarket kit is designed for cylinders with a 160mm bore and 110mm rod. As the bucket cylinder endures the highest impact and wear during...
    Regular price $30.19
    Regular price Sale price $30.19
    Unit price /  per 
  • 707-98-23870 Arm Cylinder Seal Kit for Komatsu PC200-5 Excavator, 120mm Bore Hydraulic Seals.

    707-98-23870 Arm Cylinder Seal Kit for Komatsu PC200-5 | Ruijueparts

    -68%
    Vendor:
    RuiJueParts

    707-98-23870 Arm Cylinder Seal Kit for Komatsu PC200-5 | Ruijueparts

    Product Description Maintain the precision and power of your excavator with the 707-98-23870 Arm Cylinder Seal Kit. Specifically designed for Komatsu PC200-5 and PC220-5 series, this premium aftermarket kit is the ideal solution for resealing 120mm bore and 85mm rod arm cylinders. Our seals are engineered to withstand high-pressure hydraulic...
    Regular price $13.28
    Regular price $42.00 Sale price $13.28
    Unit price /  per 
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About Our Store

Consistent Quality Seal Kitsβ€”On Time, Every Time, 10,000+ Monthly. RuijueParts is your trusted global supplier of premium heavy equipment seal kits, delivering OEM-grade compatibility for Caterpillar, Komatsu, Volvo, Hitachi, and moreβ€”with reliable bulk supply, private label options, and fast worldwide shipping.

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