NU1 ✓ Factory-verified

Saturn · Regular Production Option

Emission system, California, LEV2

Years 2006–09 Models 7 Factory citations 12

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Also described as Emission system, California LEV2

Also documented for BuickCadillacChevroletGMCOldsmobilePontiac

Documented applications

Aura (2007–2009) →

• 2007–2008 ✓ Factory-verified internal
  ⛭ GM factory document — 2007 saturn aura rpo code list, p.1.

  ⛭ GM factory document — 2008 saturn aura rpo code list, p.1.

Ion (2003–2007) →

• 2006–2007 ✓ Factory-verified internal
  ⛭ GM factory document — 2006 saturn ion rpo code list, p.1.

  ⛭ GM factory document — 2007 saturn ion rpo code list, p.1.

Outlook — Lambda / GMT966 (2007–2010) →

• 2007–2008 ✓ Factory-verified internal
  ⛭ GM factory document — 2007 saturn outlook awd rpo code list, p.1.

  ⛭ GM factory document — 2008 saturn outlook awd rpo code list, p.1.

Relay — U-body / GMT201 (2005–2007) →

• 2006–2007 ✓ Factory-verified internal
  ⛭ GM factory document — 2006 saturn relay awd rpo code list, p.1.

  ⛭ GM factory document — 2007 saturn relay rpo code list, p.1.

Sky (2007–2009) →

• 2007–2009 ✓ Factory-verified internal
  ⛭ GM factory document — 2007 saturn sky rpo code list, p.1.

  ⛭ GM factory document — 2009 saturn sky rpo code list, p.1.

Vue — First generation (2002–2007) →

• 2007 ✓ Factory-verified internal
  ⛭ GM factory document — 2007 saturn vue awd rpo code list, p.1.

Vue — Second generation (2008–2010) →

• 2009 ✓ Factory-verified internal
  ⛭ GM factory document — 2009 saturn vue awd rpo code list, p.1.

This page aggregates every documented appearance of NU1 in the Saturn reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.