1T1221 Carrier-Seal Ring Fits Caterpillar Models
1T1221 Carrier-Seal Ring Fits Caterpillar Models
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One New Aftermarket Replacement Carrier-Seal Ring for Caterpillar (Cat) Off-Highway Trucks, Articulated Trucks, Motor Graders, and Wheel Loaders
This aftermarket replacement Carrier-Seal Ring replaces Caterpillar (Cat) OEM part number 1T1221. The carrier-seal ring is a precision sealing component used in drivetrain and powertrain assemblies on a wide range of Caterpillar heavy construction and mining equipment, helping to retain lubricant and exclude contaminants to protect internal components.
Compatible Models
Caterpillar Motor Graders: 24H, 24M
Caterpillar Articulated Trucks: 69D, 735, 735B, 740, 740B
Caterpillar Off-Highway Trucks: 769C, 769D, 770, 770G, 770G OEM, 771C, 771D, 772, 772B, 772G, 772G OEM, 773B, 773D, 773E, 773F, 773G LRC, 773G OEM, 775B, 775D, 775E, 775F, 775G LRC, 775G OEM
Caterpillar Wheel Loaders: 988 Series (verify specific model compatibility before ordering)
Replaces Part Number(s):
1T1221
New aftermarket replacement part - not remanufactured, not used.



