Fuel tank, front and rear, 63.5 gallon (240 liters)

Years 2014, 2023, 2025–27 Models 2 Factory citations 5

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Also described as Fuel tank, front and rear, 63.5 gallon total

Also documented for GMC

Documented applications

Silverado HD — GMT900 (2007–2014)

2014 Factory-verified

standard

GM factory document — 2014 chevrolet silverado 3500hd cc fleet order guide wayback, p.4.

Silverado HD (T1XX, 2020–2027)

2023, 2025–2027 Factory-verified

only in: 3500 HD chassis cab

GM factory document — 2023 chevrolet 23silverado 2500 3500hd electrical body builder sm en us 2022oct12, p.12.
GM factory document — 2025 chevrolet silverado 3500 hd cc fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 3500 hd cc fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet silverado 3500 hd cc fleet order guide rpo codes, p.1.

This page aggregates every documented appearance of N2N in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.