2457831 Sensor As-Temperature Fits Caterpillar Models

One New Aftermarket Replacement Temperature Sensor Assembly for Caterpillar (Cat) Excavators and Material Handlers

This aftermarket replacement temperature sensor assembly (Sensor As-Temperature) fits Caterpillar (Cat) hydraulic excavators, wheeled excavators, material handlers, and mobile hydraulic power units. The sensor monitors water/coolant temperature within the HVAC system, providing critical readings that help protect the machine from overheating and maintain proper climate control operation in the cab. Replaces Caterpillar OEM part number 2457831 (also formatted as 245-7831).

Compatible Models

Caterpillar Mini Hydraulic Excavator: 307D

Caterpillar Excavator: 311D LRR, 311F LRR, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 313D, 313D2, 313D2 LGP, 314E CR, 314E LCR, 315D L, 318D L, 318D2 L, 319D, 319D L, 319D LN, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 323D L, 323D LN, 323D SA, 323D2 L, 324D, 324D L, 324D LN, 325D, 325D L, 325D MH, 326D L, 328D LCR, 329D, 329D L, 329D LN, 330D, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 336D2 L, 340D L, 340D2 L, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 365C, 365C L, 365C L MH, 374D L, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L

Caterpillar Wheeled Excavator: M313D, M315D, M315D2, M316D, M317D2, M318D, M318D MH, M322D, M322D MH, M325D L MH, M325D MH, M330D, W345C MH

Caterpillar Front Shovel: 385C

Caterpillar Material Handler: MH3037, MH3049, MH3059

Caterpillar Mobile Hydraulic Power Unit: 323D L, 323D LN, 324D LN, 325D, 325D L, 329D L, 330D, 330D L, 336D L, 345C L, 349D L, 365C L, 385C, 385C L

Replaces Part Number(s):

2457831, 245-7831

Aftermarket Interchange Numbers

CA2457831

New aftermarket replacement part - not remanufactured, not used.