Part number lookup

RKY00001-UP Replacement Parts

Cross-reference and compare 3 replacement listings for OEM / aftermarket part number RKY00001-UP. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

3 Matching Products

Arm Seal Kit 2797940 For Caterpillar Excavator CAT 303CR Hydraulic CylinderCaterpillarArm Seal Kit 2797940 For Caterpillar Excavator CAT 303CR Hydraulic Cylinder$92.70Hydraulic Cylinder Boom Arm Seal Kit 2788641 For Caterpillar Excavator CAT 303CRCaterpillarHydraulic Cylinder Boom Arm Seal Kit 2788641 For Caterpillar Excavator CAT 303CR$90.11Oil Pump 383-0293 for Caterpillar CAT Excavator 304E 305.5E 305E Engine C1.8 C2.4CaterpillarOil Pump 383-0293 for Caterpillar CAT Excavator 304E 305.5E 305E Engine C1.8 C2.4$123.57

Part Numbers and Cross References

2797940CA2797940RHP00001-UP303.5EJX200001-UPRKY00001-UPRSE00001-UPSFH00001-UP303.5E2CA2788641278-8641303.5CDMY00001-UPCA3830293383-0293SSC00001-UPTSR00001-UPTTN00001-UP

Applications and Fitment Summary

  • Part Number
  • Caterpillar Excavator CAT 303CR Hydraulic Cylinder Arm Seal Kit 2797940
  • Caterpillar · COMPACT WHEEL LOADER 901C 902C 903C MINI HYD EXCAVATOR 303.5E 304E 305.5E 305E
  • Caterpillar · s:for Caterpillar CAT Excavator 304E 305.5E 305E Engine C1.8 C2.4

Frequently Asked Questions

What parts replace OEM number RKY00001-UP?

This page lists 3 replacement listings indexed under RKY00001-UP. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for RKY00001-UP?

Match the stamped part number first, then verify machine model, engine code, serial number, mounting points, and photos of your old part before checkout.

Can I request a quote if RKY00001-UP is not an exact match?

Yes. Use the fitment inquiry form with your machine plate, engine model, and photos. Support can review alternatives or cross references.

Confirm fitment

Send machine details before ordering high-risk parts.