Part number lookup
303.5ECR Replacement Parts
Cross-reference and compare 3 replacement listings for OEM / aftermarket part number 303.5ECR. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
3 Matching Products
CaterpillarDrive Sprocket 264-5370 for Caterpillar CAT Excavator 303.5D 303.5CCR 303.5DCR 303.5E 303CCR 303MR 304DCR 304E 304ECR 304E2CR$183.00
CaterpillarOil Filter 3776969 for Caterpillar CAT 303.5E 305.5E 308E Excavator 236D 242D 262D 297D 901C 906K 908M Loader$22.00
CaterpillarStop Electromagnet Stop Solenoid 439-7591 4397591 for Caterpillar CAT 303E CR 303ECR$115.12Part Numbers and Cross References
Applications and Fitment Summary
- Caterpillar · s: Fit For Caterpillar Excavator: 303.5 D, 303.5C CR, 303.5CCR, 303.5DCR, 303.5E, 303.5ECR, 303C CR, 303CCR, 303MR, 304D CR, 304DCR, 304E, 304ECR, 304E2CR
- Caterpillar · s: Fit for following models: Caterpillar Excavator: 303.5E, 303.5E2CR, 303.5ECR, 303ECR, 304.5E2XTC, 304E, 304E2CR, 304ECR, 305.5E, 305.5E2CR, 305.5ECR, 305E, 305E2CR, 305ECR, 306E, 306E2, 307E, 307E2, 308ECR, 308ESR, 308E, 308E2CR, 308E2, 308E2CR, 308E2CRSB, 308E2SR, 308ECR, 308ECRSB, 308ESR Caterpillar Loader: 236D, 236DLRC, 242D, 242DLRC, 246D, 246DLRC, 257D, 257DLRC, 259D, 259DLRC, 262D, 262DLRC, 272D XHP, 272D, 272D2, 272D2 XHP, 272D XHP, 277D, 277DLRC, 279D, 279DLRC, 287D, 287DLRC, 289D, 289DLRC, 297D, 297D2, 297D2 XHP, 297D XHP, 299D XHP, 299D, 299D2, 299D2XHP, 299DXHP, 901C, 901C2, 902C, 902C2, 903C, 903C2, 906H2, 906K, 906M, 907H2, 907K, 907M, 908H2, 908K, 908M, 910K, 914K Caterpillar Asphalt Paver: AP300F, AP300FLRC, AP355FLRC, AP355F
- Part Number
- Caterpillar CAT Excavator: 303E CR, 303ECR NOTE: Default voltage 12v, if you need 24v, please send to [email protected]
- Caterpillar · s: Excavator:Caterpillar CAT 303CR, 303 CCR, 303ECR, 303.5C , 303.5 CCR, 303.5D, 303.5E, 303.5ECR, 303.5E2CR, 304E, 304ECR, 304DCR, 303.5CCR, 303.5DCR, 304E2CR, 303CCR
- Caterpillar · s:For Caterpillar CAT Excavator:303ECR, 303E CR
Frequently Asked Questions
What parts replace OEM number 303.5ECR?
This page lists 3 replacement listings indexed under 303.5ECR. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for 303.5ECR?
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 303.5ECR 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.