1976999 Rotocoil A Fits Caterpillar Models
1976999 Rotocoil A Fits Caterpillar Models
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One New Aftermarket Replacement Rotocoil (Valve Rotator) for Caterpillar (Cat) 3500 Series Engines
This aftermarket replacement rotocoil (197-6999) is a cylinder head valve train component used in Caterpillar 3500 Series diesel and natural gas engines. The rotocoil seats on the valve stem and causes the valve to rotate slightly with each opening cycle, promoting even wear across the valve face and seat and extending valve service life. It is used on both intake and exhaust valves in these large-displacement heavy-duty engines.
Compatible Models
Caterpillar 3500 Series Engines: 3508, 3508B, 3508C, 3512, 3512B, 3516, 3516B
Caterpillar Industrial and Generator Set Engines: G3508, G3508B, G3512, G3516, G3516B, G3520B, G3524, G3532
Caterpillar Large Gas Engines: G3608, G3612, G3616, TH48
Caterpillar Off-Highway Trucks and Mining Equipment: 5130B, 5230, 5230B, 776C, 776D, 777, 777D, 784C, 785, 785B, 785C, 789B, 789C, 793B, 793C, 797, 797B, 854G, 992G, 994, 994D
Caterpillar Track-Type Tractors: D11R
Replaces Part Number(s):
1976999, 197-6999, 4P-2521, 4P2521, 7N-7964, 7N7964
New aftermarket replacement part - not remanufactured, not used.



