Where is the 2019 Sierra belt diagram?
Engine Drive Belt Routing. The 2.7L is separate from the 4.3L, 5.3L, and 6.2L. Not redrawn here.
BaySheet
Opening the sheet…
In-depth guide
2019 GMC Sierra 1500
2019 Sierra 1500 belt routing is one figure for the 2.7L and another for the 4.3L, 5.3L, and 6.2L. The figures are not redrawn.
| Item | Figure |
|---|---|
| 2.7L | Its own routing figure. Not redrawn. |
| 4.3L, 5.3L, and 6.2L | One shared routing figure. Not redrawn. |
| Wear | Replace if the belt squeaks or shows cracking or splitting. |
Source: owner's manual / last verified 2026-10-16 (2019 GMC Sierra/Sierra Denali owner's manual, part number 23400205 A, First Printing. Gasoline pages. The book says a diesel engine uses the separate Duramax supplement. (opens in a new tab)).
Difficulty, time, and cost are estimates when this guide gives them. Torque is a cited figure, or it is left off.
Main source: 2019 GMC Sierra/Sierra Denali owner's manual, part number 23400205 A, First Printing. Gasoline pages. The book says a diesel engine uses the separate Duramax supplement. (opens in a new tab), General Motors, published 2019-01-01, read 2026-10-16.
| Item | Figure | Where it comes from |
|---|---|---|
| 2.7L | Its own routing figure. Not redrawn. | Engine drive belt routing |
| 4.3L, 5.3L, and 6.2L | One shared routing figure. Not redrawn. | Engine drive belt routing |
| Wear | Replace if the belt squeaks or shows cracking or splitting. | Service and maintenance, belts |
2.7L alone, or 4.3L/5.3L/6.2L together.
That is the belts paragraph.
It was not the book read for this page.
The maintenance chapter says belts may need replacing if they squeak or show cracking or splitting. No length and no tensioner torque are printed.
Outbound links only. BaySheet does not sell parts. Confirm fitment on the retailer page. Amazon links are searches for a real part name plus this vehicle. Tool rows do not get a product search. The search is not a part number.
Part
Accessory drive belt for the 2019 Sierra 1500
No length is printed. The diesel supplement was not read.
2019 Sierra belt routing (opens in a new tab)Search Amazon.com (affiliate link) (opens in a new tab)As an Amazon Associate I earn from qualifying purchases.
Engine Drive Belt Routing. The 2.7L is separate from the 4.3L, 5.3L, and 6.2L. Not redrawn here.
Not printed.
The maintenance checklist is on the site now. The email list is not sending yet, so this box will not store an address.
These guides cover the same kind of work. Their numbers belong to those vehicles, not to this one.
Report an error to jordancoates@gmail.com.