Gmc · Sierra 1500 L3B MY2025 US · 2025

Gmc Sierra 1500 Sierra 1500 L3B MY2025 US 12V battery

What 12V battery does a Gmc Sierra 1500 Sierra 1500 L3B MY2025 US use?12-volt Absorbed Glass Mat (AGM) battery for the factory Stop/Start system. Match the replacement number on the original battery label; case size and Ah rating are not specified here.

Found an incorrect value or applicability claim? Report an error ↗. Correction policy →

At a glance

Vehicle
Gmc Sierra 1500 Sierra 1500 L3B MY2025 US
12V battery
12-volt Absorbed Glass Mat (AGM) battery for the factory Stop/Start system. Match the replacement number on the original battery label; case size and Ah rating are not specified here.
Manufacturer source
General Motors
Verified

The manual explicitly names L3B, L84 and L87 as Stop/Start engines and specifies an AGM 12-volt battery for Stop/Start vehicles.

Reference details

Check before you buy or service: Sierra 1500 L3B MY2025 US. Factory Stop/Start equipment explicitly covers this engine RPO on p.361. Battery chemistry/voltage only; use the original battery replacement number for fitment. Do not infer case size, CCA or Ah.

Source

General Motors manufacturer referenceGeneral Motors
Open manufacturer source ↗

Last verified by CarFactBook:

Same question · different chassis

Does this answer change on another Sierra 1500?

12V battery is published for these other exact codes. Compare the sourced answer and vehicle scope before using a value.

A matching number does not establish that equipment, trim, production date or regional specification is identical.

Compare more Sierra 1500 chassis references →
The same question, different cars

Manufacturer documentation can give different answers for different engines, configurations and model codes. These are independently sourced entries for the same reference topic, not interchangeable parts or service instructions.

Gmc Sierra 1500Sierra 1500 L84 MY2025 US2025
12V battery12-volt Absorbed Glass Mat (AGM) battery for the factory Stop/Start system. Match the replacement number on the original battery label; case size and Ah rating are not specified here.Check the exact variant and source limitationsGeneral Motors · verified 2026-11-03
Read the sourced answer ↗Vehicle profile →
Honda FitGP52013–2020
12V battery44B19L-MF 32Ah with mirror indicators; 38B19L-MF 28Ah withoutCheck the exact variant and source limitationsHonda Motor Co. · verified 2026-10-01
Read the sourced answer ↗Vehicle profile →
Honda GraceGM42014–2020
12V battery38B19L-MF, 28Ah (5-hour rate)Check the exact variant and source limitationsHonda Motor Co. · verified 2026-09-28
Read the sourced answer ↗Vehicle profile →
Honda VezelRU32013–2021
12V battery44B19L (32Ah at 5-hour rate)Honda Motor Co. · verified 2026-09-27
Read the sourced answer ↗Vehicle profile →

Compare this answer across other cars

Browse 12v batteries by model and chassis code →

What owners usually check next

Engine oil capacity5.5 US qt (5.2 L) with an aluminum oil pan, or 6.0 US qt (5.7 L) with a plastic oil pan, with filter; identify the installed pan before filling (GM TechLink MY2025 chart)Smart-key batteryCR2450 lithium or equivalent remote-key battery; install positive side up.Coolant capacity11.8 L (12.4 US qt) approximate entire engine cooling system capacity; recheck the level after filling.Fuel tank capacityStandard/short box: 90.8 L (24.0 US gal). Long box: 107.1 L (28.3 US gal). Approximate fuel tank capacities; identify the box and drivetrain before selecting a value.Engine codeL3B, GM engine RPO (GM TechLink MY2025 chart)Engine displacement2.7 L (GM TechLink MY2025 chart)Powertrain designation2.7 L inline-4 (L4) gasoline; turbocharged; DOHC; SIDI with VVT (GM body builder VIN engine table)

View every owner answer for Gmc Sierra 1500 Sierra 1500 L3B MY2025 US →