1661492 Seal-Lip Type Fits Caterpillar Models
1661492 Seal-Lip Type Fits Caterpillar Models
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One New Aftermarket Replacement Lip-Type Seal for Caterpillar (Cat) Excavators
This aftermarket replacement lip-type seal (also listed as a dust seal) is a precision-fit component used in hydraulic systems on Caterpillar (Cat) excavators. Lip seals of this type are used to retain lubrication and exclude contaminants at rotating or sliding shaft interfaces, helping protect hydraulic cylinder and pivot assemblies from premature wear and leakage. Replaces Caterpillar OEM part number 1661492 / 166-1492.
Specifications
- Outside Diameter: approx. 4.50 in (114.30 mm)
- Inside Diameter / Bore: approx. 4.00 in (101.60 mm)
- Height / Width: approx. 0.30 in (7.62 mm)
- Seal diameter: 60 mm nominal
- Weight: approx. 0.01-0.10 lbs
Compatible Models
Caterpillar Mini Hydraulic Excavators: 307C, 307D, 307E, 307E2, 307.5, 308, 308C, 308D, 308E, 308E CR, 308E SR, 308E2 CR, 308E2SR, 308.5, 309, 310
Caterpillar Excavators: 311D LRR, 312D, 312D L, 312DL, 312E, 312EL, 313D2, 314D CR, 314D LCR, 314F CR, 320, 320D L, 320D LN, 323F L, 326D2 L
Replaces Part Number(s):
1661492, 166-1492
Aftermarket Interchange Numbers
0814822, 081-4822
New aftermarket replacement part - not remanufactured, not used.



