Pickup box, optional, steel (6 1/2 foot or 8 foot)

Years 1999–00, 2019–20, 2022–25 Models 3 Factory citations 9

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Also described as Pickup box, steel (optional)Pickup bed, inner, steel

Also documented for Chevrolet

Documented applications

Sierra — GMT800 (1999–2007)

1999–2000 Factory-verified

GM factory document — 1999 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2000 gmc gmc c sierra 2wd rpo code list, p.1.

Sierra — T1XX (2019–2026)

2019–2020, 2022–2025 Factory-verified

GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.10.
GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.11.
GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.11.
GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.11.
GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.13.
GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.10.

Yukon — GMT800 (2000–2006)

2000 Factory-verified

pickup or dual-rear-wheel code from the lists shared with the pickups; no source shows it on a Yukon

GM factory document — 2000 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of E35 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.