WheelOffset

2003 Chevrolet TrailBlazer Wheel Offset

Quick specs

Wheel size
7x16 · 7x17
Offset
ET50
Backspacing
5.47 in
Bolt pattern
6×127
Center bore
78.1 mm, 77.8 mm
Thread
M12×1.5
Tire size
245/70R16 · 245/65R17 · 235/75R16 · 255/60R17

OEM configurations

ConfigurationRimOffsetBackspacingTireBolt patternCenter boreThread
4.2 · I6, Petrol7x16ET505.47 in245/70R166x12777.8 mmM12 x 1.5
4.2 · I6, Petrol7x17ET505.47 in245/65R176x12777.8 mmM12 x 1.5
4.2 · I6, Petrol7x16ET505.47 in235/75R166x12777.8 mmM12 x 1.5
4.2 · 4.2L, LL8, I6, Petrol7x17ET505.47 in245/65R176x12777.8 mmM12 x 1.5
4.2 · 4.2L, LL8, I6, Petrol7x17ET505.47 in255/60R176x12777.8 mmM12 x 1.5
4.2 · 4.2L, LL8, I6, Petrol7x16ET505.47 in245/70R166x12777.8 mmM12 x 1.5

Wheels and hardware

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Lug hardware

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  • White Knight 1707SBK-20AM Black Chrome M12x1.50 Bulge Acorn Lug Nut, 20 Pack

    Confirmed vehicle catalog match. Confirm seat type for your wheel.

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  • White Knight 1707S-20AM Chrome M12x1.50 Bulge Acorn Lug Nut, 20 Pack

    Confirmed vehicle catalog match. Confirm seat type for your wheel.

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  • MIKKUPPA 24pcs M12x1.5 Lug Nuts - Replacement for 1984-2013 Toyota 4Runner, 1995-2013 Tacoma, 2000-2006 Tundra Aftermarket Wheel - Black Closed End Lug Nuts

    Confirmed vehicle catalog match. Confirm seat type for your wheel.

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Wheel locks

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  • MCGARD Chrome Cone Seat M12 x 1.5 Wheel Locks

    M12 x 1.5 · lock

    Matches M12 x 1.5 — confirm seat style for your wheel

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  • Gorilla Automotive Wheel Locks With Washer (M12x1.50)

    M12 x 1.5 · lock

    Matches M12 x 1.5 — confirm seat style for your wheel

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Compare your own setup

See how a different width or offset sits versus an OEM configuration for this year.

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More specs for the 2003 Chevrolet TrailBlazer

Each OEM row is a catalog configuration. Offset ranges are not collapsed when the database has exact setups. Documented aftermarket builds are observed setups only — not universal fit or clearance confirmation.