Fuel fitting, line take-off (SEO)

Years 2001–02, 2023, 2025–27 Models 6 Factory citations 12

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Also described as Fuel fitting, line take-offFuel line take-off fitting (SEO)

Also documented for GMC

Documented applications

Express — GMT600 (1996–2002)

2001–2002 Factory-verified

GM factory document — 2001 chevrolet express rpo code list, p.1.
GM factory document — 2002 chevrolet express rpo code list, p.1.

Express — GMT610 (2003–2027)

2023, 2025–2027 Factory-verified

the 2025–2027 guides read Fuel fitting, for fuel line take-off; O on all trims; in the 2025–2027 guides only in the Cargo guides

GM factory document — 2023 chevrolet 23 express savana body builder sm en us 2022sep13, p.12.
GM factory document — 2025 chevrolet express cargo fleet order guide, p.38.
GM factory document — 2026 chevrolet express cargo fleet order guide, p.40.
GM factory document — 2027 chevrolet express cargo fleet order guide, p.38.

Silverado — GMT800 (1999–2007)

2001 Factory-verified

GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM Heritage factory kit — 2001 Chevrolet Silverado, p.60.

Silverado HD — GMT800 (2001–2007)

2001, 2002 Factory-verified

years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list)

GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.

Suburban — GMT800 (2000–2006)

2001 Factory-verified

GM factory document — 2001 chevrolet chevy suburban 2wd rpo code list, p.1.

Tahoe — GMT800 (2000–2006)

2001 Factory-verified

GM factory document — 2001 chevrolet tahoe 2wd rpo code list, p.1.

This page aggregates every documented appearance of 7T6 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.