2014–2018 Chevrolet Silverado 1500 Battery Size (BCI Group and CCA)

Which Chevrolet Silverado 1500 model years does this cover?

These battery specifications apply to every Chevrolet Silverado 1500 built from 2014 through 2018 — the K2XX (3rd generation), full-size half-ton pickup (regular, double, crew cab). Nothing in this specification changes between those model years. Pick your year for the engines it offered, what changed that year, and the problems recorded against it.

What changed during the 2014–2018 Chevrolet Silverado 1500

• 2014Generation launch: direct-injected EcoTec3 engines, 8-qt V8 sumps, factory cabin air filter added
• 20156.2L pairs with the new 8L90 8-speed (source of the shudder TSB); 6.2L tow rating hits 12,000 lb
• 2016Facelift: new front fascia, LED low beams on LTZ/High Country, updated infotainment
• 2019K2XX sold one extra year as the 'Silverado LD' (double cab 5.3L only) alongside the new T1XX truck, LD parts follow this generation, and GM's 2019 chart lists the L83 at 0W-20 / 8.0 qt

What size battery does a 2014–2018 Chevrolet Silverado 1500 take?

BCI group 48 (H6). Group size is a physical dimension and terminal-position standard, so a battery from a different group may not clamp down or may put the terminals on the wrong side.

Does the 2014–2018 Chevrolet Silverado 1500 need an AGM battery?

The factory battery is a conventional flooded type. AGM is a valid upgrade, but never downgrade from AGM to flooded.

Where is the battery on a 2014–2018 Chevrolet Silverado 1500?

Engine bay, driver side.

Does a 2014–2018 Chevrolet Silverado 1500 need the battery registered after replacement?

Group 48 (H6) flooded battery, typically 720–760 CCA from the factory. An H6 AGM is a direct-fit upgrade. eAssist mild-hybrid trucks (rare, 2016–2018) add a separate lithium pack under the rear seat, the 12V battery is still H6.