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1232939 Seal Ring Fits Caterpillar Models
1232939 Seal Ring Fits Caterpillar Models
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£21.00 GBP
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One New Aftermarket Replacement Seal Ring for Caterpillar (Cat) Off-Highway Trucks
This aftermarket replacement seal ring replaces Caterpillar (Cat) OEM part number 1232939 (also formatted as 123-2939). It is a rubber o-ring style seal used in off-highway truck applications across the Caterpillar 776 and 777 series. With an inside diameter of approximately 16.02 inches (407 mm) and a cross-section width of 2.8 mm, this is a large-bore seal suited for major system assemblies on heavy haul trucks.
Specifications
- Inside Diameter: 407 mm (16.02 in)
- Cross Section Width: 2.8 mm
- Cross Section Height: 4.2 mm
- Material: Rubber
- OEM Alternate Format: 123-2939
Compatible Models
Caterpillar Off-Highway Trucks: 776C, 776D, 777C, 777D, 777F
Replaces Part Number(s):
1232939, 123-2939
Aftermarket Interchange Numbers
9X7289, 9X-7289
New aftermarket replacement part - not remanufactured, not used.



