Fuel tank, approximately 20 gallon, left-hand frame mounted

Years 1983–87 Models 2 Factory citations 10

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Also described as Fuel tank, approximately 20 gallon

Also documented for Chevrolet

Documented applications

Jimmy — first generation (1983–1994)

1983–1987 Factory-verified

replaces the standard fuel tank; shared S/T platform code; cited from the joint S-10/15 Blazer/Jimmy pages of the S-10 Blazer kit

GM Heritage factory kit — 1983 Chevrolet S 10 Blazer, p.9.
GM Heritage factory kit — 1984 Chevrolet S 10 Blazer, p.10.
GM Heritage factory kit — 1985 Chevrolet S 10 Blazer, p.15.
GM Heritage factory kit — 1986 Chevrolet S 10 Blazer, p.10.
GM Heritage factory kit — 1987 Chevrolet S 10 Blazer, p.45.

Sonoma — first generation (1982–1993)

1983–1987 Factory-verified

left-hand frame mounted in 1983–1984 and 1986–1987; the merged S-10 Blazer doc writes left-hand frame mounted; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits

GM Heritage factory kit — 1983 Chevrolet S 10, p.28.
GM Heritage factory kit — 1984 Chevrolet S 10, p.20.
GM Heritage factory kit — 1985 Chevrolet S 10, p.26.
GM Heritage factory kit — 1986 Chevrolet S 10, p.18.
GM Heritage factory kit — 1987 Chevrolet S 10, p.24.

This page aggregates every documented appearance of NK2 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.