MH1 ✓ Factory-verified

Oldsmobile · Regular Production Option

Transmission, automatic, 4 speed, THM 4T80-E, electronic converter clutch

Years 1998–99, 2001, 2003 Models 2 Factory citations 4

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Also documented for BuickCadillacChevroletPontiac

Documented applications

Aurora — G-body (1995–1999) →

• 1998–1999 ✓ Factory-verified
  ⛭ GM factory document — 1998 oldsmobile aurora rpo code list, p.1.

  ⛭ GM factory document — 1999 oldsmobile aurora rpo code list, p.1.

Aurora — G-body (2001–2003) →

• 2001, 2003 ✓ Factory-verified
  ⛭ GM factory document — 2001 oldsmobile aurora rpo code list, p.1.

  ⛭ GM factory document — 2003 oldsmobile aurora rpo code list, p.1.

This page aggregates every documented appearance of MH1 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.