C7H ✓ Factory-verified

Buick · Regular Production Option

GVW rating, 2,900 kg/6,400 lbs

Years 2004, 2008, 2018, 2025–27 Models 4 Factory citations 6

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Also described as GVWR, 6400 lbs. (2903 kg)GVWR, 6394 lbs (2900 kg)GVW rating, 6,400 lbs/2,900 kg

Also documented for CadillacChevroletGMCOldsmobileSaturn

Documented applications

Enclave — C1XX (2018–2024) →

• 2018 ✓ Factory-verified

  only in: AWD.

  ⛭ GM factory document — 2018 buick enclave fleet order guide wayback, p.1.

Enclave — Lambda / GMT967 (2008–2017) →

• 2008 ✓ Factory-verified
  ⛭ GM factory document — 2008 buick enclave rpo code list, p.1.

Enclave — VSS-S (2025–2027) →

• 2025–2027 ✓ Factory-verified

  O on all trims; a second GVWR code, DVZ, is 6173 lbs

  ⛭ GM factory document — 2025 buick all new enclave fleet order guide, p.26.

  ⛭ GM factory document — 2026 buick enclave fleet order guide, p.27.

  ⛭ GM factory document — 2027 buick enclave fleet order guide, p.28.

Rainier — GMT360 (2004–2007) →

• 2004 ✓ Factory-verified
  ⛭ GM factory document — 2004 buick rainier 2wd rpo code list, p.1.

Related codes · mentioned in these notes

DVZ

This page aggregates every documented appearance of C7H in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.