What engine air filter does a 2019 Sierra 1500 use?
High-capacity: GM 84121219, ACDelco A3244C. Without it: GM 84121217, ACDelco A3246C.
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In-depth guide
2019 GMC Sierra 1500
2019 Sierra 1500 engine air filter is GM 84121219, ACDelco A3244C, with the high-capacity cleaner, or GM 84121217, ACDelco A3246C, without it.
| Item | Figure |
|---|---|
| With high-capacity air cleaner | GM 84121219, ACDelco A3244C. |
| Without high-capacity air cleaner | GM 84121217, ACDelco A3246C. |
| Oil filter, 2.7L | GM 55495105, ACDelco PF66. |
| Oil filter, 4.3L, 5.3L, and 6.2L | GM 19330000, ACDelco PF63E. |
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 |
|---|---|---|
| With high-capacity air cleaner | GM 84121219, ACDelco A3244C. | Maintenance replacement parts |
| Without high-capacity air cleaner | GM 84121217, ACDelco A3246C. | Maintenance replacement parts |
| Oil filter, 2.7L | GM 55495105, ACDelco PF66. | Maintenance replacement parts |
| Oil filter, 4.3L, 5.3L, and 6.2L | GM 19330000, ACDelco PF63E. | Maintenance replacement parts |
That chooses A3244C or A3246C.
PF66 or PF63E, by engine.
This page does not quote it.
Oil filters in the same table are PF66 on the 2.7L and PF63E on the 4.3L, 5.3L, and 6.2L. The cabin filter is on the cabin filter guide. A diesel uses the Duramax supplement.
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Part
ACDelco A3244C engine air filter
GM 84121219. High-capacity air cleaner.
2019 Sierra high-capacity air filter (opens in a new tab)Search Amazon.com (affiliate link) (opens in a new tab)As an Amazon Associate I earn from qualifying purchases.
Part
ACDelco A3246C engine air filter
GM 84121217. Without the high-capacity cleaner.
2019 Sierra air filter (opens in a new tab)Search Amazon.com (affiliate link) (opens in a new tab)As an Amazon Associate I earn from qualifying purchases.
High-capacity: GM 84121219, ACDelco A3244C. Without it: GM 84121217, ACDelco A3246C.
2.7L: ACDelco PF66. 4.3L, 5.3L, and 6.2L: ACDelco PF63E.
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These guides cover the same kind of work. Their numbers belong to those vehicles, not to this one.
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