Komatsu WB140-2N and WB150-2 backhoe loader bucket cylinder hydraulic service repair kit
Komatsu 878000492 backhoe loader hydraulic cylinder seal kit packaging and part label
Heavy duty PU bucket cylinder oil seals and O-rings in Komatsu 878000492 repair kit
878000492 Hydraulic Bucket Cylinder Seal Kit for Komatsu WB140-2N WB150-2 Backhoe Loader
Komatsu WB140-2N and WB150-2 backhoe loader bucket cylinder hydraulic service repair kit
Komatsu 878000492 backhoe loader hydraulic cylinder seal kit packaging and part label
Heavy duty PU bucket cylinder oil seals and O-rings in Komatsu 878000492 repair kit
878000492 Hydraulic Bucket Cylinder Seal Kit for Komatsu WB140-2N WB150-2 Backhoe Loader

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878000492 Hydraulic Bucket Cylinder Repair Kit for Komatsu WB140-2N WB150-2 Backhoe Loader

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$50.00 inc. VAT
-33% $75.00 $50.00 inc. VAT
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Product Description
Restore full breakout force and eliminate hydraulic fluid leaks in your backhoe loader with this premium Hydraulic Bucket Cylinder Seal Kit, specifically engineered for Komatsu WB140-2N and WB150-2 Backhoe Loaders.
Manufactured to meet or exceed strict OEM specifications, this heavy-duty cylinder repair kit provides outstanding pressure retention, thermal stability, and oil resistance, effectively stopping oil leaks and preventing cylinder drift during demanding digging, trenching, and loading operations.
Technical Specifications:
Brand Compatibility: Komatsu
Compatible Equipment Models: WB140-2N, WB150-2 Backhoe Loaders
Application Location: Backhoe Bucket / Loader Bucket Hydraulic Cylinder
OEM Part Number: 878000492
Why Choose Our Komatsu Backhoe Seal Kits?
Premium Heavy-Duty Elastomers: Built with top-grade Polyurethane (PU), durable NBR rubber, and low-friction PTFE wear rings to handle extreme hydraulic pressure spikes, continuous shock loads, and high fluid heat.
Precision OEM Fit: Dimensional accuracy guarantees an exact drop-in replacement, reducing repair shop downtime and securing a 100% leak-proof seal.
Built for Heavy Duty: Designed to endure severe job site conditions, dirt, and abrasive dust, extending the operational service life of your bucket cylinder.
Important Fitment Note:
This seal kit is designed specifically for the bucket cylinder on Komatsu WB140-2N and WB150-2 backhoe loaders. Please cross-check your original cylinder part number (878000492) or machine serial number prior to ordering to guarantee 100% compatibility.

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