Caterpillar 303.5E / 303.5E 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) |
|---|---|---|
| 303.5E 303.5E CR |
All | 303.5E: JX2, RKY , RSE, SFH 303.5E CR: RKY |
KTSU-made rollers, idlers and sprockets for the Caterpillar 303.5E and 303.5E CR, priced per part. KTSU lists the same parts for both models.
Parts
| Range | Drive Sprocket | Front Idler | Track Roller | Carrier Roller |
|---|---|---|---|---|
| All models | 264-5371 (SPL 13H, OEM is 12H Sprocket; replaces 436-2488) | 267-4829 | 266-8793 | 266-8794 |
KTSU part numbers on this page: 264-5371, 267-4829, 266-8793, 266-8794. Superseded: 436-2488 — order the replacement shown.
Verify your OEM part number against your serial plate before ordering.
Need tracks? Caterpillar 303.5E Tracks and Caterpillar 303.5E CR Tracks.
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Caterpillar 301.6C / 301.8C Undercarriage Parts
Price range: $133.00 through $385.00Priced 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) 301.6C
301.8CAll 301.6C: JBB
301.8C: JSB-
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Caterpillar 303.5 C CR / 303C CR / 304D CR Undercarriage Parts
Price range: $161.00 through $580.00Priced 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 CRAll 303.5 C CR: CRL
303C CR: BXT
304D CR: TYK-
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Caterpillar 301.5 / 301.6 / 301.8 Undercarriage Parts
Price range: $133.00 through $327.00Priced 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
301.6All 301.5: After 3YW 3759
301.6: BDH904-UPRange C 301.5
301.6
301.8All 301.5: MNH;ZHL
301.6: MY6
301.8: H8X;ZHNRange D 301.8 All 301.8: BFA -
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