NU3 ✓ Factory-verified

Buick · Regular Production Option

Emission system, California, SULEV

Years 2005–06 Models 1 Factory citations 2

Query this via API →

Also documented for PontiacSaturn

Documented applications

LaCrosse — W-body / GMX365 (2005–2009) →

• 2005–2006 ✓ Factory-verified internal
  ⛭ GM factory document — 2005 buick lacrosse rpo code list, p.1.

  ⛭ GM factory document — 2006 buick lacrosse rpo code list, p.1.

This page aggregates every documented appearance of NU3 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.