Manufacturer-backed comparison · Exact vehicle codes
Gmc Sierra 1500 Transmission Fluid Specifications by Chassis Code
Which transmission or transaxle fluid is documented? Compare actual published manufacturer references for 3 exact Gmc Sierra 1500 chassis codes. Values can differ across drivetrain, trim and production period.
3documented chassis
3distinct published answers
2source documents
2026-11-06latest evidence review
Before applying a specification
View all Gmc Sierra 1500 chassis →Confirm the engineering configuration
CVT, automatic and hybrid transaxle systems must not be treated as interchangeable. Use the exact transmission and source reference before selecting any fluid.
Year ranges here describe the cited chassis coverage, not every option sold under the same model name worldwide. The actual service manual and fitted equipment take precedence.
Source-linked answers
Transmission Fluid Specifications: chassis comparison
Open the original exact-code answer to see the manufacturer reference and full caveat.
| Exact code | Documented years | Transmission fluid reference | Manufacturer source |
|---|---|---|---|
| Sierra 1500 AT4 4WD Crew Cab Short Bed TK10543 4SB LZ0 MQC MY2025 US | 2025 | DEXRON ULV automatic transmission fluid ↗ | General Motors ↗Checked 2026-11-06 |
| Sierra 1500 Elevation 4WD Crew Cab Short Bed TK10543 3VL L3B MFC MY2025 US | 2025 | DEXRON-HP automatic transmission fluid ↗ | General Motors ↗Checked 2026-11-06 |
| Sierra 1500 LZ0 MY2025 US | 2025 | DEXRON ULV automatic transmission fluid; dealer procedure required for checking/changing. ↗ | General Motors ↗Checked 2026-11-03 |
Documented differences
Which codes share an answer?
Grouped by exact published text. Similar wording is not treated as proof of identical equipment.
Reviewable evidence
Source scope and important caveats
Gmc Sierra 1500 Sierra 1500 AT4 4WD Crew Cab Short Bed TK10543 4SB LZ0 MQC MY2025 US — Transmission fluid ↗
Published answer: DEXRON ULV automatic transmission fluid
Duramax supplement fluid table for the LZ0 automatic (the exact MQC 10-speed in this column); no fill quantity is asserted.
Applicability: Sierra 1500 AT4 4WD Crew Cab Short Bed TK10543 4SB LZ0 MQC MY2025 US only. US MY2025 Sierra 1500 AT4 equipment group 4SB, model TK10543 4WD Crew Cab; standard LZ0/MQC verified in own-model order-guide Mechanical column I and MY2025 VIN p.41. Excludes optional L87 and MHS. No sibling trim, optional-engine, cab/box, year or market inference.
General Motors manufacturer reference · General Motors · Manufacturer reference ↗
Gmc Sierra 1500 Sierra 1500 Elevation 4WD Crew Cab Short Bed TK10543 3VL L3B MFC MY2025 US — Transmission fluid ↗
Published answer: DEXRON-HP automatic transmission fluid
Fluid specification for the exact verified 8-speed (MFC) transmission. The 10-speed DEXRON ULV row is not substituted, and no fill quantity is asserted.
Applicability: Sierra 1500 Elevation 4WD Crew Cab Short Bed TK10543 3VL L3B MFC MY2025 US only. US MY2025 Sierra 1500 Elevation equipment group 3VL, model TK10543 4WD Crew Cab; standard L3B/MFC verified in own-model order-guide Mechanical column F and MY2025 VIN p.41. No sibling trim, optional-engine, cab/box, year or market inference.
General Motors manufacturer reference · General Motors · Manufacturer reference ↗
Gmc Sierra 1500 Sierra 1500 LZ0 MY2025 US — Transmission fluid ↗
Published answer: DEXRON ULV automatic transmission fluid; dealer procedure required for checking/changing.
DEXRON ULV automatic transmission fluid; dealer procedure required for checking/changing. Verified against the exact US MY2025 manufacturer manual.
Applicability: Sierra 1500 LZ0 MY2025 US. MY2025 3.0L Duramax diesel supplement applies to this pickup engine; no gasoline transmission fitment inferred.
General Motors manufacturer reference · General Motors · Manufacturer reference ↗