OEM / REF: 3979953SKU: pilotpart438157
12V 80A Alternator 3979953 397-9953 For Caterpillar CAT 236D 242D 246D 257D 259D 262D 277D 279D 287D 289D 289D3 with Kubota V3300 is a Alternator replacement part indexed for Caterpillar AP300 and Caterpillar AP300F, with 3 application records on file. Match OEM part number 3979953 and confirm fitment for Caterpilla...
This Alternator is indexed for Caterpillar AP300; Caterpillar AP300F; Caterpillar AP355; Caterpillar AP355F. Compare reference number 3979953 against the label on your existing Caterpillar component before ordering.
Additional cross references on file: CA3979953, 1G39864012, 23992. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.
| Voltage | 12V |
|---|---|
| Amps | 80A |
| Clock | 2 |
| Rotation | CW |
| Regulator | IR |
| Fan | IF |
| Part Number (Caterpillar) | 3979953, 397-9953, CA3979953 |
| Part Number (Kubota) | 1G39864012, 1G398-64012 |
| Part Number (Lester) | 23992 |
| Part Number (Mitsubishi) | A005TA8277, 45TA8277, A5TA8277, A5TA8277A |
| Part Number (Other) | ROTA0209 |
| Part Number | Caterpillar: 3979953, 397-9953, CA3979953 Kubota: 1G39864012, 1G398-64012 Lester: 23992 Mitsubishi: A005TA8277, 45TA8277, A5TA8277, A5TA8277A Other: ROTA0209 |
Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.
Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.
Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.
