2M9780 Seal O Ring Fits Caterpillar Models
2M9780 Seal O Ring Fits Caterpillar Models
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One New Aftermarket Replacement O-Ring Seal for Caterpillar (Cat) 3406 Series Diesel Engines
This aftermarket replacement O-ring seal (2M9780 / 2M-9780) is designed for static sealing applications on Caterpillar 3406 series diesel engines, including injector sleeves, oil-line fittings, and related fuel and lubrication system joints. Molded from nitrile rubber (NBR), it provides reliable resistance to diesel fuel, engine oil, and heat in demanding heavy-duty applications.
Specifications
- Inside Diameter: 19.12 mm (0.755 in)
- Cross-Section: 2.46 mm (0.097 in)
- Standard: SAE AS568A-128 (Dash-128)
- Material: Nitrile Rubber (NBR), approx. Shore 90A
Compatible Models
Caterpillar (Cat) 3406 Series: 3406A, 3406B, 3406C, 3406E
Replaces Part Number(s):
2M9780, 2M-9780
Aftermarket Interchange Numbers
FP-2M9780, FP2M9780, M-2M9780, M2M9780, 0044582, 058159, 1G7652, 304007, 307918, 3J3918, 5L4014, 773234, 773584, 773654, 774467, 776168, 780691, 7M5899, 7M9899, 7Q8497, 7X6614, 816459, 833394, 938332, 951755, 951760, 981186, 9G5090, 321228, SK23191218SR
New aftermarket replacement part - not remanufactured, not used.
