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KTSU 264-5371 Drive Sprocket for Caterpillar 303.5 C CR, 303C CR and 304D CR
KTSU 267-4829 Front Idler for Caterpillar 303.5 C CR, 303C CR and 304D CR
KTSU 266-8793 Track Roller for Caterpillar 303.5 C CR, 303C CR and 304D CR
KTSU 266-8794 Carrier Roller for Caterpillar 303.5 C CR, 303C CR and 304D CR

Caterpillar 303.5 C CR / 303C CR / 304D CR Undercarriage Parts

Price range: $161.00 through $580.00

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Priced per part. Pick the part; the KTSU number is in every option.

Which range is my machine? Every part on this page fits each model and serial number listed here.

Model Configuration Serial numbers (as KTSU lists them)
303.5 C CR
303C CR
304D CR		 All 303.5 C CR: CRL
303C CR: BXT
304D CR: TYK
SKU: caterpillar-303-5-c-cr-303c-cr-304d-cr-undercarriage-parts Category:

KTSU-made rollers, idlers and sprockets for the Caterpillar 303.5 C CR, 303C CR and 304D CR, priced per part. KTSU lists the same parts for all 3 models.

Parts

Range Drive Sprocket Front Idler Track Roller Carrier Roller
All models 264-5371 (SPL 13H, OEM is 12H Sprocket) 267-4829 266-8793 266-8794

KTSU part numbers on this page: 264-5371, 267-4829, 266-8793, 266-8794.

Verify your OEM part number against your serial plate before ordering.

Need tracks? Caterpillar 303.5 C CR Tracks, Caterpillar 303C CR Tracks and Caterpillar 304D CR Tracks.

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  • KTSU 139-4304 Drive Sprocket for Caterpillar 301.5, 301.6 and 301.8

    Caterpillar 301.5 / 301.6 / 301.8 Undercarriage Parts

     Price range: $133.00 through $327.00

    Priced per part. Each option names the serial range letters it fits.

    Which range is my machine? Find your model and serial number here, then pick the parts marked with that range letter.

    Range Model Configuration Serial numbers (as KTSU lists them)
    Range A 301.5 All 301.5: Before 3YW 3760
    Range B 301.5
    301.6    		 All 301.5: After 3YW 3759
    301.6: BDH904-UP
    Range C 301.5
    301.6
    301.8    		 All 301.5: MNH;ZHL
    301.6: MY6
    301.8: H8X;ZHN
    Range D 301.8 All 301.8: BFA

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