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  • 6V-2221 TRANS OUTPUT TRANSFER GEAR SEAL KIT Caterpillar

    6V-2221 TRANS OUTPUT TRANSFER GEAR SEAL KIT Caterpillar

    6V-2221 TRANS OUTPUT TRANSFER GEAR SEAL KIT Caterpillar

    Choose a Kit & Save Instantly. Fits equipment:  D3C  Condition: New – Open box: A new, unused item Brand: CATERPILLAR  replacement
    Regular price $24.59
    Regular price Sale price $24.59
    Unit price /  per 
  • 238-4462 120H, 135H Hydraulic Cylinder Seal Kit Caterpillar

    238-4462 120H, 135H Hydraulic Cylinder Seal Kit Caterpillar

    238-4462 120H, 135H Hydraulic Cylinder Seal Kit Caterpillar

    Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 140M,...
    Regular price $21.12
    Regular price Sale price $21.12
    Unit price /  per 
  • 6089590 Caterpillar hydraulic seal kit aftermarket replacement

    6089590 Bucket Cylinder Seal Kits Caterpillar Aftermarket Replacement

    6089590 Bucket Cylinder Seal Kits Caterpillar Aftermarket Replacement

    Product Overview The 6089590 hydraulic seal kit is a reliable aftermarket replacement for Caterpillar machinery. Designed for hydraulic cylinder sealing applications, it includes sealing components such as rod seals, piston seals, backup rings, and O-rings to help restore sealing performance and prevent hydraulic oil leakage. It is suitable for maintenance...
    Regular price $20.65
    Regular price Sale price $20.65
    Unit price /  per 
  • 6K2430 Rotating Shaft Lip Type Seal Caterpillar

    6K2430 Rotating Shaft Lip Type Seal Caterpillar

    6K2430 Rotating Shaft Lip Type Seal Caterpillar

    Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: 844 854 814B 814F II 814K 854G 814F 854K 814 844H 844K 966F II 960F 972G 972H 972K 950B/950E 814K 966K XE 950G II 950B 950E 950G 962H 950F 962G 950H 950K 962K 995 990K 994 990H 990 993 992...
    Regular price $9.40
    Regular price Sale price $9.40
    Unit price /  per 
  • 566-33-05015 KOMATSU Seal Kits HD325-6W S/N 5001-UP

    566-33-05015 KOMATSU Seal Kits HD325-6W S/N 5001-UP

    566-33-05015 KOMATSU Seal Kits HD325-6W S/N 5001-UP

    Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: HD325-6W S/N 5001-UP Condition: New – Open box: A new, unused item Brand: KOMATSU replacementTarget Audience: Customers with long-term procurement needs for sealing kits, including repair shops, distributors, import/export trading companies, and construction machinery rental companies.
    Regular price $69.59
    Regular price Sale price $69.59
    Unit price /  per 
  • 330‑6820 Caterpillar buffer seal aftermarket replacement

    330‑6820 Caterpillar Buffer Seal aftermarket in stock

    330‑6820 Caterpillar Buffer Seal aftermarket in stock

    Product Overview This 330‑6820 buffer seal is a hydraulic buffer seal designed to absorb shock and protect sealing systems in Caterpillar heavy equipment. It fits Caterpillar machines requiring this OEM code and supports reliable performance in demanding applications. Product Details: Part Name:  330-6820 buffer seal Machine Models: 992  Brand: Caterpillar...
    Regular price $21.98
    Regular price Sale price $21.98
    Unit price /  per 
  • 2160273 111499 9X7720 Inner Diameter Lip Type Seal Caterpillar

    2160273 111499 9X7720 Inner Diameter Lip Type Seal Caterpillar

    2160273 111499 9X7720 Inner Diameter Lip Type Seal Caterpillar

    Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: 844, 834G, 834H, 834B, 854, 824G, 854G, 854K, 824G II, 844H, 844K, 988F II, 990K, 990H, 990, 993, 992, 993K, 980G II, 988B, 988G, 988H, 988F, 980C, 980F, 980G, 992G, 992K, 990 II, 24, TA22, AD45B, AD55, AD63, AD30, AE40...
    Regular price $7.14
    Regular price Sale price $7.14
    Unit price /  per 
  • 278-8716 Loaders & Dozers Seal Kit Caterpillar

    278-8716 Loaders & Dozers Seal Kit Caterpillar

    278-8716 Loaders & Dozers Seal Kit Caterpillar

    Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: 277B, 277D, 277C, 257D3, 297D XHP 277C2 267B 257B3 257D 257B 297C 287C2 247B3 287C 287B 247B 287D 289D 289C 279C2 279D3 259D 299D 299C 275 259B3 289C2 299D2 XHP 289D3 255 259D3 265 299D XHP 279D 279C 299D3 XE...
    Regular price $36.10
    Regular price Sale price $36.10
    Unit price /  per 
  • 991/20028 hydraulic seal kit aftermarket replacement for JCB equipment

    991/20028 Hydraulic Seal Kit Replacement for JCB Equipment

    991/20028 Hydraulic Seal Kit Replacement for JCB Equipment

    Part Name: 991/20028 Seal KitMachine Models:Brand: JCB replacementType: Hydraulic Seal Kit / Ram Lift Cylinder Seal KitApplication: Used in hydraulic ram and lift cylinders on JCB telehandlers, loaders, and construction machines to replace worn seals, prevent fluid leakage, and maintain hydraulic pressure in lifting operations.Size: Standard SizeSupply Ability: 10,000 sets...
    Regular price $23.89
    Regular price Sale price $23.89
    Unit price /  per 
  • 154491A1 hydraulic O-ring seal aftermarket replacement for Case IH MXU and New Holland T6000 series tractors.

    RD809‑71280 Boom Cylinder Seal Kit for Kubota KX080 Excavators

    RD809‑71280 Boom Cylinder Seal Kit for Kubota KX080 Excavators

    Part Name: RD809‑71280 seal kitMachine Models: Kubota Excavators: KX080‑3, KX080‑3T, KX080‑4, KX080‑4S, KX080‑4S2Brand: Kubota replacementType: Boom Hydraulic Cylinder Seal KitApplication: Boom cylinder repair and maintenance on Kubota excavatorsSize: Standard SizeSupply Ability: 10,000 sets per monthPerformance: Oil SealingPlace of Origin: ChinaPackaging Details: PP bag, cartonPrice: USD / RMBPayment Terms: L/C, T/T, Western Union,...
    Regular price $21.08
    Regular price Sale price $21.08
    Unit price /  per 
  • Hydraulic Cylinder Seal Kits 4660824 HITACHI EX1800-3, EX3600-5

    Hydraulic Cylinder Seal Kits 4660824 HITACHI EX1800-3, EX3600-5

    Hydraulic Cylinder Seal Kits 4660824 HITACHI EX1800-3, EX3600-5

    Part Name: 4660824 Machine Model: EX1800-3, EX3600-5, EX3600-6, EX3600E-6 Brand: HITACHI replacement Type: Hydraulic Cylinder Seal Kits/Excavator Seal Kits 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 $128.57
    Regular price Sale price $128.57
    Unit price /  per 
  • 707-99-75600 aftermarket hydraulic cylinder seal kit with 120mm rod and 225mm bore for Komatsu D475A-5 dozer ripper lift cylinder.

    707-99-75600 Hydraulic Cylinder Seal Kit For Komatsu | Ruijueparts

    707-99-75600 Hydraulic Cylinder Seal Kit For Komatsu | Ruijueparts

    Product Description Looking for a reliable sealing solution to minimize downtime for your heavy-duty earthmover? The 707-99-75600 Aftermarket Hydraulic Cylinder Seal Kit is precision-engineered to restore the peak hydraulic performance of your Komatsu equipment. Designed specifically for the demanding environments of mining and large-scale earthmoving, this premium kit features a...
    Regular price $39.24
    Regular price Sale price $39.24
    Unit price /  per 
  • 6671516 Hydraulic Pump Seal Kit BOBCAT

    6671516 Hydraulic Pump Seal Kit BOBCAT

    6671516 Hydraulic Pump Seal Kit BOBCAT

    Choose the seal kit of Ruijueparts. Slash costly downtime. Condition: New – Open box: A new, unused item Brand: BOBCAT replacementTarget Audience: Customers with long-term procurement needs for sealing kits, including repair shops, distributors, import/export trading companies, and construction machinery rental companies.
    Regular price $34.98
    Regular price Sale price $34.98
    Unit price /  per 
  • R902095609 HYDRAULIC PUMP SEAL KIT BOSCH REXROTH

    R902095609 HYDRAULIC PUMP SEAL KIT BOSCH REXROTH

    R902095609 HYDRAULIC PUMP SEAL KIT BOSCH REXROTH

    Choose a Kit & Save Instantly.  Condition: New – Open box: A new, unused item Brand: BOSCH REXROTH replacement
    Regular price $63.19
    Regular price Sale price $63.19
    Unit price /  per 
  • 3980963 boom cylinder seal kit aftermarket replacement for CAT 320D excavator

    3980963 Boom Cylinder Seal Kit Replacement for CAT 320D 320D2 Excavator

    -63%

    3980963 Boom Cylinder Seal Kit Replacement for CAT 320D 320D2 Excavator

    Part Name: 3980963 Seal KitMachine Models: 320D / 320D2 / 320D3 / 323D3Brand: Caterpillar replacementType: Hydraulic Cylinder Seal KitApplication: Used in boom hydraulic cylinders of excavators to maintain hydraulic pressure, prevent oil leakage, and ensure stable operation of the lifting system.Size: Standard SizeSupply Ability: 10,000 sets per monthPerformance: Oil SealingPlace of...
    Regular price $23.65
    Regular price $63.53 Sale price $23.65
    Unit price /  per 
    Sale
  • 60266046 60266047 60295012 Hydraulic Cylinder SEAL KIT SANY

    60266046 60266047 60295012 Hydraulic Cylinder SEAL KIT SANY

    60266046 60266047 60295012 Hydraulic Cylinder SEAL KIT SANY

    Choose the seal kit of Ruijueparts. Slash costly downtime. Fits equipment: SY65, SY75  Condition: New – Open box: A new, unused item Brand: SANY replacement
    Regular price $22.19
    Regular price Sale price $22.19
    Unit price /  per 
  • 233-9204 120G, 120H, Hydraulic Cylinder Seal Kit Caterpillar

    233-9204 120G, 120H, Hydraulic Cylinder Seal Kit Caterpillar

    233-9204 120G, 120H, Hydraulic Cylinder Seal Kit Caterpillar

    Choose the seal kit of Ruijueparts. Slash costly downtime.Fits equipment: 120G, 120H, 120H ES, 120H NA, 120K, 120M, 120M 2, 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 140M, 140M 2, 140M...
    Regular price $21.12
    Regular price Sale price $21.12
    Unit price /  per 
  • Excavator EC480D VOLVO  Boom Cylinder Seal Kit

    Excavator EC480D VOLVO Boom Cylinder Seal Kit

    Excavator EC480D VOLVO Boom Cylinder Seal Kit

    Part Name: EC480D Machine Model: EC480D Brand: VOLVO replacement Type: Excavator Seal Kit/Boom Cylinder 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 Condition: 100% New...
    Regular price $71.43
    Regular price Sale price $71.43
    Unit price /  per 
  • komatsu 707‑99‑44180 hydraulic seal kit

    707-99-44180 Excavator Seal kits Komatsu

    707-99-44180 Excavator Seal kits Komatsu

    Product Overview Komatsu part 707‑99‑44180 is a hydraulic blade lift cylinder seal kit designed to service Komatsu heavy equipment, particularly D155A‑5 and D155AX‑5 machines. This aftermarket seal kit helps maintain proper cylinder sealing and performance. Product Details: Part Name:  707-99-44180 seal kit Machine Models: D155A‑5, D155AX‑5, D155AX‑5‑A Brand: KOMATSU replacement (aftermarket)...
    Regular price $87.97
    Regular price Sale price $87.97
    Unit price /  per 
  • 7225491 BOBCAT A770, S630 Loaders Seal Kits

    7225491 BOBCAT A770, S630 Loaders Seal Kits

    7225491 BOBCAT A770, S630 Loaders Seal Kits

    Part Name: 7225491 Machine Model: A770, S630, S650, S740, S750, S770, T630, T650, T740, T750, T770, S76 Brand: BOBCAT replacement Type: Compact Track Loaders Seal Kits/Skid-Steer Loaders Seal Kits/Wheel Steer Loaders Seal Kits Size: Standard Size Supply Ability: 10000 Sets per Month Performance: Oil Sealing Place of Origin: China Packaging...
    Regular price $14.28
    Regular price Sale price $14.28
    Unit price /  per 
  • B95, LB75 Swing Cylinder Seal Kits 87428631 NEW HOLLAND

    B95, LB75 Swing Cylinder Seal Kits 87428631 NEW HOLLAND

    B95, LB75 Swing Cylinder Seal Kits 87428631 NEW HOLLAND

    Part Name: 87428631 Machine Model: B95, LB75, LB75B, LB110, LB110B Brand: NEW HOLLAND replacement Type: Swing Cylinder Seal Kits/Backhoe Loaders Seal Kits 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,...
    Regular price $14.28
    Regular price Sale price $14.28
    Unit price /  per 
  • 154491A1 hydraulic O-ring seal aftermarket replacement for Case IH MXU and New Holland T6000 series tractors.

    8605262 Lift Cylinder Seal Kit for Case 721D 721E Loader | Ruijueparts

    8605262 Lift Cylinder Seal Kit for Case 721D 721E Loader | Ruijueparts

    Part Name: 8605262Machine Models: Case Wheel Loader: 721D, 721E, 721F, 721GBrand: CASE replacement Type: Hydraulic Cylinder Seal Kit / Lift Cylinder Seal KitApplication: Heavy equipment hydraulic system maintenanceSize: Standard SizeSupply Ability: 10,000 sets per monthPerformance: Oil SealingPlace of Origin: ChinaPackaging Details: PP bag, cartonPrice: USD / RMBPayment Terms: L/C, T/T, Western Union,...
    Regular price $22.53
    Regular price Sale price $22.53
    Unit price /  per 
  • A guide to selecting rubber sealing materials and their performance for construction machinery, including agricultural machinery, bulldozers, and excavators.
    January 21, 2026

    Rubber Sealing Materials Guide for Hydraulic & Heavy Equipment

    Blog
    January 21, 2026

    Rubber Sealing Materials Guide for Hydraulic & Heavy Equipment

    Blog
  • A complete aftermarket Komatsu seal kit for hydraulic cylinder repair from Ruijue Parts.
    April 15, 2026

    Komatsu Seal Kits: The Ultimate OEM vs. Aftermarket Parts Guide for Heavy Machinery

    Blog
    April 15, 2026

    Komatsu Seal Kits: The Ultimate OEM vs. Aftermarket Parts Guide for Heavy Machinery

    Blog
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