2003 Chevrolet Blazer Wheel Backspacing

5.47 in · 4.24 in · 4.92 in

Quick specs

Backspacing
5.47 in · 4.24 in · 4.92 in
Wheel size
7x15 · 8x16 · 7x16
Bolt pattern
5×120.7, 5×120.65
Tire size
Multiple — see configurations

OEM configurations

ConfigurationRimOffsetBackspacingTireBolt patternCenter boreThread
4.3 · V6, Petrol7x15ET505.47 in205/75R155x120.6570.3 mm1/2" - 20 UNF
4.3 · V6, Petrol7x15ET505.47 in235/70R155x120.6570.3 mm1/2" - 20 UNF
4.3 · V6, Petrol7x15ET505.47 in235/75R155x120.6570.3 mm1/2" - 20 UNF
4.3 Xtreme · V6, Petrol8x16ET64.24 in235/60R165x120.6570.3 mm1/2" - 20 UNF
2.4i · I4, Petrol7x15ET364.92 in225/75R155x120.6570.3 mmM12 x 1.5
2.4i · I4, Petrol7x15ET505.47 in235/75R155x120.6570.3 mmM12 x 1.5
2.4i · I4, Petrol7x16ET505.47 in235/75R165x120.6570.3 mmM12 x 1.5
2.8 TDI · I4, Diesel7x15ET364.92 in225/75R155x120.6570.3 mmM12 x 1.5
2.8 TDI · I4, Diesel7x15ET505.47 in235/75R155x120.6570.3 mmM12 x 1.5
2.8 TDI · I4, Diesel7x16ET505.47 in235/75R165x120.6570.3 mmM12 x 1.5
4.3i · V6, Petrol7x15ET364.92 in225/75R155x120.6570.3 mmM12 x 1.5
4.3i · V6, Petrol7x15ET505.47 in235/75R155x120.6570.3 mmM12 x 1.5
4.3i · V6, Petrol7x16ET505.47 in235/75R165x120.6570.3 mmM12 x 1.5

Compare wheel position See wheel offset

Backspacing values above are calculated from OEM wheel width and offset using BS = width/2 + offset_mm/25.4 (same formula as the fitment calculator).

Related tools

More on Amazon
  • LEXIVON 1/2-Inch Drive Click Torque Wrench 25-250 Ft-Lb/33.9-338.9 Nm (LX-184)

    Related tool — not a vehicle-fit product.

    Check price on Amazon
  • Wheeler Manual Firearms Accurizing Torque Wrench with Inch/Pounds Measurement, Bits and Storage Case for Scope Mounting, Gunsmithing and Maintenance

    Related tool — not a vehicle-fit product.

    Check price on Amazon

More specs for the 2003 Chevrolet Blazer

Backspacing on these pages is calculated from OEM wheel width and offset (width/2 + offset_mm/25.4). Higher backspacing seats the wheel farther inward; lower backspacing moves it outward.