MN4 ✓ Factory-verified

Saturn · Regular Production Option

Transmission, automatic, 4 speed, HMD, 4T45-E

Years 2003–04 Models 1 Factory citations 2

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Also documented for BuickChevroletOldsmobilePontiac

Documented applications

L-Series (2000–2005) →

• 2003–2004 ✓ Factory-verified
  ⛭ GM factory document — 2003 saturn l200 lw200 rpo code list, p.1.

  ⛭ GM factory document — 2004 saturn l300 lw300 rpo code list, p.1.

This page aggregates every documented appearance of MN4 in the Saturn reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.