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1291610 Seal Fits Caterpillar Models
1291610 Seal Fits Caterpillar Models
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One New Aftermarket Replacement O-Ring Seal for Caterpillar (Cat) Equipment
This HNBR o-ring seal (Caterpillar part number 1291610, also formatted as 129-1610) is a precision-fit replacement for Caterpillar construction and engine equipment. The hydrogenated nitrile (HNBR) material provides excellent resistance to petroleum oils, greases, diesel fuels, and diester lubricants, with a service temperature range of -40 degrees F to 275 degrees F, making it well suited for hydraulic, engine, and general service sealing applications.
Specifications
- Part Type: O-Ring Seal (HNBR)
- Material: HNBR - Hydrogenated Nitrile, 78 Shore A hardness
- Cross Section Diameter: 0.139 in.
- Inside Diameter: 5.859 in.
- SAE AS568 Dash Size: -257
- Temperature Range: -40 degrees F to 275 degrees F
- Compatible With: Petroleum oils and greases, diesel fuels, diester lubricants, ozone
Compatible Models
Caterpillar Engines: 3408, 3408C, 3408E, 3412, 3412D, 3412E, 3508, 3508B, C32, C175-16
Replaces Part Number(s):
1291610, 129-1610
New aftermarket replacement part - not remanufactured, not used.



