Part number lookup
RS3943 Replacement Parts
Cross-reference and compare 1 replacement listing for OEM / aftermarket part number RS3943. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
1 Matching Product
Part Numbers and Cross References
Applications and Fitment Summary
- Part Number
- Kubota Excavator: KX040-4 Including: Air Filter Outer*1 Air Filter Inner*1 Engine Oil Filter*1 Hydraulic Oil Filter*1 HST Filter*1 Fuel Filter Element*1
Frequently Asked Questions
What parts replace OEM number RS3943?
This page lists 1 replacement listing indexed under RS3943. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for RS3943?
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 RS3943 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.