AutoFactsDB.com

GM GENUINE 12729654

Verified fitment Crankshaft Main Bearing · Fits 49 Configurations

GM GENUINE part number 12729654 is a crankshaft main bearing in the Engine system. This catalog matches it to 49 year-and-engine configurations from 2018 to 2026.

Verified fitment includes 2026 Chevrolet Express 2500 4.3L V6 ; 2026 Chevrolet Express 3500 4.3L V6 ; 2026 Chevrolet Silverado 1500 5.3L V8 ; 2026 Chevrolet Suburban 5.3L V8 ; 2026 Chevrolet Tahoe 5.3L V8 , plus 44 other configurations. See every vehicle this part fits.

Manufacturer specifications
Fits:
UpperTrans.Code 8L80/MTH8 speed Automatic trans.Complete Main Bearing Kit Positions 1-5
or:
LowerTrans.Code 8L80/MTH8 speed Automatic trans.Discard Extra Bearings Not Needed For Application Complete MAIN Bearing Kit Positions 1-5
Application data published for:
🇺🇸 US 🇨🇦 CA
View on Amazon View compatible vehicles (49) →

Frequently Asked Questions

What is GM GENUINE 12729654?

GM GENUINE part number 12729654 is a crankshaft main bearing with published application data for 49 vehicle configurations from 2018 to 2026. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.

Which vehicles does GM GENUINE 12729654 fit?

This catalog matches 12729654 to 49 year-and-engine configurations from 2018 to 2026. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.

Is GM GENUINE 12729654 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. GM GENUINE 12729654 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.

AutoFactsDB is reader-supported. As an Amazon Associate, we earn from qualifying purchases made through links on this page — at no extra cost to you.

Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.