Original Lishi GM39

The GM 10-cut flat wafer tool — the mid-2000s GM and Saturn board.

Also sold as B102

Read this first

Some Buick Terraza and Pontiac Montana SV6 vans changed keyway mid-production — one source flags a 2005 April production split, another notes some use the GM37 instead. On those two, check the lock before you commit.

Specification

What the GM39 covers

Lock positions: Door and trunk.Stated by distributors; not published by the manufacturer. We have no reason to doubt it and we are not going to pretend it is more than it is.
Keyway & cuts: Flat 10-cut. Tool works positions 3–10.
Vehicles / locks: GM across Chevrolet, Cadillac, Buick, Pontiac, Saturn, GMC, Hummer, Isuzu and Oldsmobile. Source lists disagree on several model-year boundaries.
Key blanks: Silca GM37 / GM39 / GM40 · Ilco B102 / B85 · Keyline GM18 / GM19 / GM28 · JMA GM14 / GM25 / GM41 · IC card 163
Family: Automotive

Ask us before you order

Lock positions. Only distributors publish door/trunk for this tool; neither manufacturer-level source states a position. We believe door and trunk is right and have never been told otherwise — but we are not going to call it manufacturer-confirmed when it is not.

Ask the trade desk

Buy it