1P1120 Ring Seal Fits Caterpillar Models

One New Aftermarket Replacement Ring Seal for Caterpillar (Cat) Garrett Turbochargers

This aftermarket replacement ring seal (also described as a backplate-to-center housing O-ring) is used on Garrett turbochargers fitted to Caterpillar (Cat) equipment. The seal ring seats between the turbocharger backplate and center housing, maintaining a leak-free sealing interface during operation. It corresponds to Garrett turbocharger part number 400424-0000 and is listed as a piece part for Garrett TE06, T04, T04B, TB05, TV Series, TBP4, TA31, TB03, TA03, T300, T350, TA34, TA51, and T04E series turbochargers used across Caterpillar applications.

Specifications

• Type: Seal Ring (Backplate-to-Center Housing O-Ring)
• Inside Diameter: approximately 2.180 in. - 2.216 in. O.D.
• Application: Garrett turbocharger backplate-to-center housing sealing interface

Compatible Turbocharger Series

Garrett Turbo Models: T04, T04B, T04E, TB05, TE06, TV Series, TBP4, TA31, TA34, TA51, TB03, TA03, T300, T350

Fitted to Caterpillar (Cat) diesel engines and construction equipment using the above Garrett turbocharger series. Verify your turbocharger model number before ordering.

Replaces Part Number(s):

1P1120

Aftermarket Interchange Numbers

Garrett: 400424-0000; also cross-references: A44833, 634823, R43805, 5198936, D7NN6N663A, ME078201

New aftermarket replacement part - not remanufactured, not used.