Part number lookup
E300B Replacement Parts
Cross-reference and compare 4 replacement listings for OEM / aftermarket part number E300B. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
4 Matching Products
CaterpillarControllor Panel V-ECU E861-03705A For Caterpillar Excavator E200B E120B E300B 200B 120B 300B$956.40
CaterpillarIgnition Switch Master Disconnect keys 099-0613 for Caterpillar CAT Excavator E110B E120B E200B E240C E300B EL240B$59.93
CaterpillarOverhaul Rebuild Kit 4SA1 for Caterpillar E300B E300 E300B Excavator CAT$1,517.00
CaterpillarValve Plate 099-5858 for Caterpillar CAT Engine 3066 3116 3126 Excavator 320B 321B E300B M325B 325$136.00Part Numbers and Cross References
Applications and Fitment Summary
- Part Number
- Caterpillar Excavator E200B E120B E300B 200B 120B 300B Cab Controllor Panel V-ECU E861-03705A
- Caterpillar Excavator E200B E120B E300B 200B 120B 300B Note: When placing an order, please contact us with engine /air compressor nameplate so that we can check it (or prepare the operating procedures more accurately for you).
- Caterpillar · s: Caterpillar Excavator:CAT E240C, EL240C
- Caterpillar · s: for Caterpillar E300B E300 E300B Excavator CAT Item Included : 1.Full Overhaul Gasket Kit:1 Set 2.Piston:1 Set 3.Piston Ring:1 Set 4.Piston Pin:1 Set 5.Cylinder Liner:1 Set 6.Piston Snap:1 Set 7.Piston Pin Bush:1 Set 8.Thrust Washer:1 Set 9.Main Bearing:1 Set 10.Con Rod Bearing:1 Set 11.Valve Guide:1 Set 12.Intake&Exhaust Valve:1 Set 13.Intake&Exhaust Valve Seat:1 Set
- Caterpillar · s: Fit For Caterpillar Excavator: 320B, 321B, 322B L, 322B LN, 325, 325 LN, 325B, 325B L, E300B, M325B Fit For Caterpillar Knuckle Boom Loader: 539
Frequently Asked Questions
What parts replace OEM number E300B?
This page lists 4 replacement listings indexed under E300B. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for E300B?
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 E300B 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.