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Komatsu Wear Parts and Cutting Edges

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KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 425V641120

Part #:

Contact Us For Possible Free Shipping BASE EDGE COAL BUCKET WA500 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 425V631211

Part #:

Contact Us For Possible Free Shipping BASE EDGE WA500 COAL BUCKET Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 425V622120

Part #:

Contact Us For Possible Free Shipping BASE EDGE FOR CGS BOE ONLY Bolt Diameter": 1.125 Thickness": 1.5 Width": 10.63 Length": 133.86
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 425838A110H

Part #:

Contact Us For Possible Free Shipping CAST HALF ARROW SEG 425838A110 Bolt Diameter": 1.25 Thickness": 1.75 Width": 15.25 Length": 11.188
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 425838A110F

Part #:

Contact Us For Possible Free Shipping FAB TOP PLATE WA500 SEGMENT Bolt Diameter": 1.25 Thickness": 1 Width": 10 Length": 11.188
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 4258382120

Part #:

Contact Us For Possible Free Shipping SEGMENT RH WA500-3 Bolt Diameter": 1.25 Thickness": 1.5 Width": 15.984 Length": 15.504
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 4258382110

Part #:

Contact Us For Possible Free Shipping SEGMENT LH WA500-3 Bolt Diameter": 1.25 Thickness": 1.5 Width": 15.984 Length": 15.504
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 4258381110

Part #:

Contact Us For Possible Free Shipping SEGMENT WA 500 Bolt Diameter": 1.25 Thickness": 1.496 Width": 15.984 Length": 11.219
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 425815A120

Part #: KOM 425815A120

KOM 425815A120

Part #: KOM 425815A120

KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 425815A110A

Part #:

Contact Us For Possible Free Shipping 425815A110-IN HALF-NEED 2 Bolt Diameter": 1 Thickness": 1.5 Width": 16 Length": 41.125
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 425815A110

Part #: KOM 425815A110

KOM 425815A110

Part #: KOM 425815A110

KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4258152220

Part #:

Contact Us For Possible Free Shipping BOLT ON BLADE WA500-3 Bolt Diameter": 1 Thickness": 1.625 Width": 16 Length": 59.173
4T6671 ext-Cutting Edges-Equipment Blades Inc-Equipment Blades Inc
KOM 4258152210

Part #:

Contact Us For Possible Free Shipping BUCKET END CGS WA500-3 Bolt Diameter": 1 Thickness": 1.625 Width": 21.89 Length": 7.48
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4258151520

Part #:

Contact Us For Possible Free Shipping WA500 COAL BUCKET END Bolt Diameter": 1 Thickness": 0 Width": 0 Length": 28.346
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4258151510

Part #:

Contact Us For Possible Free Shipping WA500 COAL BUCKET EDGE Bolt Diameter": 1 Thickness": 0 Width": 0 Length": 96.614
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4258092230

Part #:

Contact Us For Possible Free Shipping SPADE NOSE WA500-3 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4258091122

Part #:

Contact Us For Possible Free Shipping Weld On Base Edge Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4258091121

Part #:

Contact Us For Possible Free Shipping Weld On Base Edge Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257032161

Part #:

Contact Us For Possible Free Shipping BOLT ON WEAR PLATE Bolt Diameter": 1 Thickness": 1.5 Width": 8.858 Length": 23.228
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257022220

Part #:

Contact Us For Possible Free Shipping BASE EDGE WA500-3 CGS Bolt Diameter": 1.125 Thickness": 1.5 Width": 10.63 Length": 133.86
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257022141

Part #:

Contact Us For Possible Free Shipping HEEL PLATE WA500 11/2 Bolt Diameter": 1 Thickness": 1.5 Width": 9 Length": 21.75
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257012321

Part #:

Contact Us For Possible Free Shipping BASE EDGE WA500-1 WA500-3 Bolt Diameter": 1.125 Thickness": 1.5 Width": 10.63 Length": 133.86
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257012261

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257012260

Part #:

Contact Us For Possible Free Shipping BUCKET CORNER RH WA500-1 Bolt Diameter": 1.25 Thickness": 1.625 Width": 13.125 Length": 13.5
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257012251

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257012250

Part #:

Contact Us For Possible Free Shipping BUCKET CORNER LH WA500-1 Bolt Diameter": 1.25 Thickness": 1.625 Width": 13.125 Length": 13.5
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257012141

Part #:

Contact Us For Possible Free Shipping WELD ON WEAR PLATE WA500 Bolt Diameter": 2 Thickness": 1.25 Width": 15.5 Length": 19.75
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257012122

Part #:

Contact Us For Possible Free Shipping BASE EDGE FOR BOE ONLY Bolt Diameter": 1.125 Thickness": 1.5 Width": 10.625 Length": 134
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424T791120

Part #:

Contact Us For Possible Free Shipping SHOULD BE SAME AS 424815A130 Bolt Diameter": 0.875 Thickness": 0 Width": 0 Length": 22.638
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424T791110

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE (424815A140/2) Bolt Diameter": 0.875 Thickness": 0 Width": 0 Length": 34.35
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424T651120

Part #:

Contact Us For Possible Free Shipping BASE EDGE FOR SEGMENTS Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A140H

Part #:

Contact Us For Possible Free Shipping HALF ARROW CENTER Bolt Diameter": 0.875 Thickness": 1.563 Width": 10 Length": 68.812
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A140

Part #: KOM 424815A140

KOM 424815A140

Part #: KOM 424815A140

Center piece recommended for following models: Dressta/Dresser/International/Hough 538, KOM WA350-1, KOM WA380-1, KOM WA380-3, WA380-5, KOM WA400-...
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A130H

Part #:

Contact Us For Possible Free Shipping HALF ARROW END Bolt Diameter": 0.875 Thickness": 1.563 Width": 10 Length": 22.625
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A130

Part #: KOM 424815A130

KOM 424815A130

Part #: KOM 424815A130

End piece recommended for following models: Dressta/Dresser/International/Hough 538, KOM WA350-1, KOM WA380-1, KOM WA380-3, KOM WA380-5, KOM WA400-...
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A12HC

Part #:

Contact Us For Possible Free Shipping HALF ARROW CENTER Bolt Diameter": 0.875 Thickness": 1.563 Width": 10 Length": 73.406
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A120

Part #:

Contact Us For Possible Free Shipping BUCKETEDGE WA420/50 11/4 Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 73.406
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A11HR

Part #:

Contact Us For Possible Free Shipping HALF ARROW END RH Bolt Diameter": 0.875 Thickness": 1.563 Width": 10 Length": 23.438
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A11HL

Part #:

Contact Us For Possible Free Shipping HALF ARROW END LH Bolt Diameter": 0.875 Thickness": 1.563 Width": 10 Length": 23.438
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A110

Part #: KOM 424815A110

KOM 424815A110

Part #: KOM 424815A110

Contact Us For Possible Free Shipping BUCKET END WA420/450/470 Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 23.438
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4248151121

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE-WA400 Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 23.031
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4248091160

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4248091150

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4248061170

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4248061160

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4248061130

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4248061120

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 42470H2D80Z

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE 11/4T 16W Bolt Diameter": 0.875 Thickness": 1.25 Width": 16 Length": 73.543

Komatsu Cutting Edges and Wear Parts

Komatsu equipment is built to handle some of the most punishing ground conditions in construction, mining, and grading. Loader buckets, motor grader moldboards, and dozer blades depend on high quality cutting edges and wear components to maintain productivity and protect the structural steel underneath.

What are cutting edges and wear parts

Cutting edges are the primary wear surface that contacts soil, gravel, asphalt, or rock. They absorb abrasion and impact while preserving the base edge attachment on the bucket or blade. Supporting wear parts may include end bits, corner guards, adapters, and protective side plates designed to shield the highest impact zones during digging, pushing, and grading operations.

Why replace wear parts regularly

Prevent structural damage: Running a cutting edge too thin exposes the bucket lip or moldboard to direct wear and costly structural repairs. Maintain clean cuts: Sharp, properly fitted edges reduce bounce and chatter during grading passes and improve dig penetration. Lower operating costs: Efficient blade penetration reduces machine strain, cycle times, and fuel consumption. Faster field replacement: Bolt-on cutting edges simplify maintenance and keep Komatsu machines productive with minimal downtime. Consistent finish quality: Well-maintained blades give operators better surface control on grading and finishing passes. Balanced wear: Rotating or flipping reversible edges distributes wear evenly and extends total component life.

Why choose Equipment Blades

  • OEM compatible fitment for Komatsu loaders, motor graders, and dozers
  • Abrasion resistant steel options for extended wear life in tough applications
  • Inventory coverage across multiple Komatsu machine models and configurations
  • Custom hole spacing and thickness options available when needed
  • Responsive support to confirm correct part selection for your specific machine

Common FAQs about Komatsu cutting edges and wear parts

How do I confirm compatibility? Measure your existing blade length, hole spacing, thickness, and bevel style. Cross-reference your Komatsu model number for accurate fitment.

Single bevel vs double bevel? Single bevel edges cut in one direction. Double bevel (reversible) blades can be flipped for extended service life.

When should I flip a reversible blade? Flip when wear reaches roughly half the usable edge thickness to maximize total life and prevent structural exposure.

What bolt grade should I use? Use high strength hardware — Grade 8 or equivalent plow bolts — for secure mounting under heavy load and vibration.

Do you carry parts for older Komatsu models? Yes. Contact us with your machine model and serial number and we will confirm availability for legacy and current production equipment.

Not sure which parts you need?

Our friendly service reps will be happy to assist. Please download and fill out our blade measurement form and either fax or email it back and we’ll find you the right parts.