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Komatsu Wear Parts and Cutting Edges

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KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 42470H2D80Y

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE 11/4T 13W Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 73.543
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 42470H2D60Z

Part #:

Contact Us For Possible Free Shipping BUCKET END 11/4T 16W Bolt Diameter": 0.875 Thickness": 1.25 Width": 16 Length": 25.591
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 42470H2D60Y

Part #:

Contact Us For Possible Free Shipping BUCKET END 11/4T 13W Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 25.591
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 42470H2D50Z

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE 11/4T 16W Bolt Diameter": 0.875 Thickness": 1.25 Width": 16 Length": 66.654
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 42470H2D50Y

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE 11/4T 13W Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 66.654
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4247022250

Part #:

Contact Us For Possible Free Shipping BUCKET CORNER WITH SIDEBAR Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4247012420

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Contact Us For Possible Free Shipping Weld On Base Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4247012220

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Contact Us For Possible Free Shipping BASE EDGE-WA400/380 Bolt Diameter": 1 Thickness": 1.375 Width": 8.858 Length": 114.368
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4247012170

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4247012160

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4247012141

Part #:

Contact Us For Possible Free Shipping WELD ON WEAR PLATE WA400 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4247012121

Part #:

Contact Us For Possible Free Shipping BASE EDGE-WA400 Bolt Diameter": 1 Thickness": 2.835 Width": 8.858 Length": 115
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 423T792210

Part #:

Contact Us For Possible Free Shipping BUCKET CENTER WA380-5 Bolt Diameter": 0.875 Thickness": 1.5 Width": 16 Length": 49.173
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238471140

Part #:

Contact Us For Possible Free Shipping WA350-480 STD LONG TOOTH Bolt Diameter": 0 Thickness": 4.684 Width": 4.868 Length": 10.312
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238231320

Part #:

Contact Us For Possible Free Shipping DOZER EDGE-WA350MP-3/4 Bolt Diameter": 0.75 Thickness": 0.75 Width": 8.031 Length": 17.875
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238231310

Part #:

Contact Us For Possible Free Shipping DOZER EDGE-WA350MP-3/4 Bolt Diameter": 0.75 Thickness": 0.75 Width": 8.031 Length": 71.89
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 423815A140

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE-WA350-11/4 Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 22
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 423815A130

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE WA350 DB 11/4 Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 63.375
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238152210

Part #:

Contact Us For Possible Free Shipping BOLT ON CENTER WA380-5 Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 49.173
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238091160

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238091150

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238091120

Part #:

Contact Us For Possible Free Shipping Weld On Base Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238061130

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238061120

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 42370H2C50Z

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE 11/4T 16W Bolt Diameter": 0.875 Thickness": 1.26 Width": 16 Length": 64.252
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 42370H2C50Y

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE 11/4T 13W Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 64.252
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237032220

Part #:

Contact Us For Possible Free Shipping BASE EDGE WA380-5 Bolt Diameter": 1 Thickness": 1.375 Width": 8.858 Length": 114.368
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237022720

Part #:

Contact Us For Possible Free Shipping BASE EDGE WA380-5 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237022510

Part #:

Contact Us For Possible Free Shipping BUCKET CORNSER WITH SIDEBAR Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237022140

Part #:

Contact Us For Possible Free Shipping WEAR PLATE WA380 Bolt Diameter": 0.875 Thickness": 1.125 Width": 9.125 Length": 15.25
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237012220

Part #:

Contact Us For Possible Free Shipping BASE EDGE WA380-5 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237012162

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237012161

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237012152

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237012151

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237012140

Part #:

Contact Us For Possible Free Shipping WEAR PLATE WA350-1 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237012121

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE-WA350-1-7/16 Bolt Diameter": 1 Thickness": 1.375 Width": 8.858 Length": 107.88
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 421T792220

Part #:

Contact Us For Possible Free Shipping LONG LIFE BUCKET END CGS STYLE Bolt Diameter": 0.875 Thickness": 1.5 Width": 20.906 Length": 7.874
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 421T792210

Part #:

Contact Us For Possible Free Shipping LONG LIFE BUCKET EDGE Bolt Diameter": 0.875 Thickness": 1.5 Width": 16 Length": 54.331
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 421T792160

Part #:

Contact Us For Possible Free Shipping LONG LIFE VERSION 4218151121 Bolt Diameter": 0.875 Thickness": 1.5 Width": 16 Length": 40.748
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 421T792150

Part #:

Contact Us For Possible Free Shipping LONG LIFE VERSION 4218152110 Bolt Diameter": 0.875 Thickness": 1.5 Width": 16 Length": 21.476
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 421T651120

Part #:

Contact Us For Possible Free Shipping BASE EDGE FOR SEGMENTS WA420-1 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4218381120T

Part #:

Contact Us For Possible Free Shipping TOP COVER PLATE END SEGMENT Bolt Diameter": 99.999 Thickness": 0.75 Width": 8 Length": 7.087
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4218381120

Part #:

Contact Us For Possible Free Shipping END SEGMENT 380 Bolt Diameter": 1 Thickness": 1.25 Width": 13 Length": 7.087
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4218381110T

Part #:

Contact Us For Possible Free Shipping TOP COVER PLATE CTR SEGMENT Bolt Diameter": 99.999 Thickness": 0.75 Width": 8 Length": 8.701
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4218381110

Part #:

Contact Us For Possible Free Shipping SEGMENT-380-11/4 Bolt Diameter": 1 Thickness": 1.25 Width": 13 Length": 8.7
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4218292270

Part #:

Contact Us For Possible Free Shipping CORNER WITH SIDEBAR WA450-3 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4218291120

Part #:

Contact Us For Possible Free Shipping BASE EDGE WA450-1 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0

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.