1J451-59051 / 112500-1240 – Original ECM (Engine Control Module)
High‑quality replacement ECM for Kubota V3307 / V3307‑T engines used in Caterpillar machines.
Key specifications
- Part number: 1J451-59051, 112500-1240
- Engine model: Kubota V3307, V3307‑T (CAT C3.3 family)
- Application: Excavators and skid steer loaders (see compatible models below)
Compatible machines
- Caterpillar Excavators: 308.5, 308, 309, 308E2SR, 308E2CR, 310
- Caterpillar Skid Steer Loaders / Loaders: 257D, 277D, 287D, 259D, 289D, 279D, 246D, 236D, 242D, 262D
If your machine model is not listed but uses the same ECM part number and engine, it may be compatible – please confirm before purchase.
Important – Programming & Compatibility
This ECM requires vehicle-specific programming to work correctly. Before we can assist with programming or to confirm fitment, please provide the following information:
- ECM part number (from the unit you are replacing)
- Vehicle model
- Vehicle serial number (VIN/serial)
- Engine model
- Engine serial number
We strongly recommend professional installation and programming by a qualified technician or dealer.
Warranty
- Warranty: 1-year warranty





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