2459205 Tank As-Coolant Fits Caterpillar Models

One New Aftermarket Replacement Coolant Expansion Tank for Caterpillar (Cat) Excavators

This aftermarket replacement coolant tank (Tank As-Coolant) serves as the engine coolant reservoir and expansion tank on Caterpillar C-series and D-series hydraulic excavators. It maintains proper coolant system pressure and fluid levels for engines including the 3046, 3054C, 3054E, 3064, 3066, 3126, 3126B, C4.2, C6, C6.4, C7, C7.1, and C-7. Also known as the reserve coolant tank or overflow expansion tank.

Compatible Models

Caterpillar Excavators (C-Series): 311D LRR, 312C, 312C L, 312D, 312D L, 313D, 314D CR, 314D LCR, 315C, 315D L, 318C, 318D L, 319C, 319D, 319D L, 319D LN, 320C, 320C FM, 320C L, 321C, 322C, 322C FM

Caterpillar Excavators (D-Series): 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D, 323D L, 323D LN, 323D S, 323D SA, 323D2 L, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 325C, 325C FM, 325D, 325D FM, 325D FM LL, 325D L, 325D MH, 326D L, 328D LCR, 329D, 329D L, 329D LN

Caterpillar Wheeled Excavators: M325C MH, M325D MH, M325D L MH

Caterpillar Logger: 322C

Caterpillar Mobile Hydraulic Power Units: 323D L, 323D LN, 324D LN, 325C, 325D, 325D L, 329D L

Replaces Part Number(s):

2459205, 245-9205, CA2459205

Aftermarket Interchange Numbers

4130139, TH102161

New aftermarket replacement part - not remanufactured, not used.