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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 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 component—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 
    Sale
  • 489-1720 Aftermarket Bucket Cylinder Seal Kit 110mm Rod for Caterpillar 349D2 349F Heavy Excavators

    489-1720 Bucket Cylinder Seal Kit for CAT 349D2 349F Excavator | Ruijueparts

    -80%
    Vendor:
    RuiJueParts

    489-1720 Bucket Cylinder Seal Kit for CAT 349D2 349F Excavator | Ruijueparts

    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...
    Regular price $21.98
    Regular price $110.98 Sale price $21.98
    Unit price /  per 
    Sale
  • P/N: 2401-9278KT Machine model: Brand: DOOSAN replacement Type: Travel Motor Seal Kit Size: Standard Size Supply ability: 10,000 sets per month

    2401-9225KT Hydraulic Pump Seal Kit for Doosan Solar 130 140 | Ruijueparts

    Vendor:
    RuiJueParts

    2401-9225KT Hydraulic Pump Seal Kit for Doosan Solar 130 140 | Ruijueparts

    Restore the hydraulic precision of your excavator with the 2401-9225KT Main Pump Seal Kit, specifically engineered for Doosan Solar 130LC-V and 140LC-V models. This premium aftermarket kit includes high-durability O-rings, shaft seals, and backup rings designed to stop fluid leaks and maintain system pressure. At Ruijueparts, we help you avoid...
    Regular price $10.14
    Regular price Sale price $10.14
    Unit price /  per 
  • P/N: 2401-9278KT Machine model: Brand: DOOSAN replacement Type: Travel Motor Seal Kit Size: Standard Size Supply ability: 10,000 sets per month

    Hydraulic Pump Seal Kit 2401-6228AKT Seal Kit DOOSAN

    Vendor:
    RuiJueParts

    Hydraulic Pump Seal Kit 2401-6228AKT Seal Kit DOOSAN

    Part Name: 2401-6228AKT Machine Model: 311, E312, E312B Brand: DOOSAN replacement Type: Hydraulic Pump Seal Kit, Excavator Seal Kit Size: Standard Size Supply Ability: 10000 Sets per Month Performance: Oil Sealing Place of Origin: China Packaging Details: PP bag, Carton Price: USD, RMB Payment Terms: L/C, T/T, Western Union, MoneyGram...
    Regular price $6.52
    Regular price Sale price $6.52
    Unit price /  per 
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Consistent Quality Seal Kits—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 more—with reliable bulk supply, private label options, and fast worldwide shipping.

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    Shajing Subdistrict,

    Bao'an District, Shenzhen

    info@ruijueparts.com(+86) 1369-210-0161
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