1965-UP TH400 4L80E 4L85E Transmission Thrust Bearing Kit | Restore critical thrust-bearing support in compatible TH400, 4L80E, and 4L85E transmission applications.

Sonnax SBK-G10 TH400, 4L80E & 4L85E Thrust Bearing Kit Restore critical support at key internal transmission bearing locations with the Sonnax SBK-G10 thrust bearing kit. Designed for select TH400, 4L80E, and 4L85E automatic transmission applications, this kit is a practical solution during a professional rebuild or repair involving worn, noisy, or failed thrust bearings. Helps Address Common Bearing-Related Concerns Bearing noise Bearing wear Bearing failure Kit Contents Sun/Internal Gear bearing, no notches on ID — OE Ref. 8623921 Rear Ring Gear/Output Shaft bearing — OE Ref. 8623922 Center Support/Sun Gear bearing — OE Ref. 8623920 Transmission Applications TH400: 1967-1996 4L80E: 1991-1996

• TH400 / 4L80E / 4L85E THRUST BEARING KIT: Sonnax SBK-G10 kit is designed for service of select TH400, 4L80E, and 4L85E automatic transmissions.
• THREE CRITICAL BEARING LOCATIONS: Includes bearings for the sun/internal gear, rear ring gear/output shaft, and center support/sun gear locations.
• HELPS ADDRESS BEARING-RELATED ISSUES: Ideal for transmission rebuilds where bearing noise, wear, or bearing failure has been identified.
• INCLUDES OE REFERENCE NUMBERS: Contains bearing positions referenced as 8623921, 8623922, and 8623920 for easier component identification.
• VERIFY APPLICATION BEFORE PURCHASE: Designed for TH400 applications from 1967-1996 and select 4L80E applications from 1991-1996. Confirm transmission model and bearing location before ordering.