LB7 ✓ Factory-verified

Chevrolet · Regular Production Option

Engine, diesel, 8 cylinder, 6.6L, direct injection, V8, turbocharged, high output, Duramax

Years 2001–04 Models 1 Factory citations 7

Query this via API →

Also documented for GMC

Documented applications

Silverado HD — GMT800 (2001–2007) →

• 2001–2004 ✓ Factory-verified

  the 2001–2002 lists print the size as 6.6 without the L

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

  ⛭ GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.

  ⛭ GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1.

  ⛭ GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.

  ⛭ GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62.

  ⛭ GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.

  ⛭ GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.259.

This page aggregates every documented appearance of LB7 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.