K28 Factory-verified

Chevrolet · Regular Production Option

Charging module, 11.5 kW high-voltage

Years 1965–66, 2023–27 Models 7 Factory citations 22

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Also described as Fuel filter equipmentAC charging, 11.5 kW capableCharger, high voltage, 11 kW, single phase

Also documented for Cadillac GMC

Documented applications

1965–66 Factory-verified

GM Heritage factory kit — 1965 Chevrolet Truck, p.19.
GM Heritage factory kit — 1966 Chevrolet Truck, p.24.

Blazer EV (2024–2027)

2024–2027 Factory-verified

only in: Blazer EV, not the Police Package

GM factory document — 2024 chevrolet blazer ev fleet order guide wayback, p.1.
GM factory document — 2025 chevrolet blazer ev fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet blazer ev fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet blazer ev fleet order guide rpo codes, p.1.

Bolt EV — first generation (2017–2023)

2023 Factory-verified

GM factory document — 2023 chevrolet 23 bolt ev body builder sm en us 2022aug26, p.9.
GM factory document — 2023 chevrolet 23 bolt euv body builder sm en us 2022aug29, p.10.

Bolt — second generation (2027)

2027 Factory-verified

LT, RS: S; the Cadillac Optiq and LYRIQ guides read 11.5 kW AC

GM factory document — 2027 chevrolet new bolt fleet order guide, p.4.

BrightDrop (2022–2026)

2025–2026 Factory-verified

S in 2025; O in 2026, included with and only available with KV7;

GM factory document — 2025 chevrolet brightdrop 400 and brightdrop 600 fleet order guide, p.5.
GM factory document — 2026 chevrolet brightdrop 400 and brightdrop 600 fleet order guide, p.13.

Equinox EV — Ultium BEV2 (2024–2027)

2025–2027 Factory-verified

GM factory document — 2025 chevrolet new 25my equinox ev fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet equinox ev fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet equinox ev fleet order guide rpo codes, p.1.
GM factory document — 2025 chevrolet new 25my equinox ev fleet order guide, p.7.
GM factory document — 2026 chevrolet equinox ev fleet order guide, p.6.
GM factory document — 2027 chevrolet equinox ev fleet order guide, p.6.

Silverado EV — BT1 (2024–2027)

2025–2027 Factory-verified

GMC Sierra EV lists print AC charging, 11 kW under this code; 2025: S in 2WT, 5WT, 3LT; not offered in 8WT, 2SP, 3SP; 2026: S in 4WT, 2LT, 3LT, 2TR; not offered in 5WT, 8WT, 4LT, 3TR, 2SP, 3SP; 2027: S in 4WT, 2LT, 3LT, 2TR; not offered in 5WT, 8WT, 3TR; 2025: not available with XTF

GM factory document — 2025 chevrolet silverado ev fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet silverado ev fleet order guide rpo codes, p.1.
GM factory document — 2025 chevrolet silverado ev fleet order guide, p.10.
GM factory document — 2026 chevrolet silverado ev fleet order guide, p.14.
GM factory document — 2027 chevrolet silverado ev fleet order guide, p.13.

This page aggregates every documented appearance of K28 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.