GMC K1500 bolt pattern, wheel sizes and wheels that fit
GMC K1500 wheel fitment: bolt pattern 6x139.7 (1979–1999), factory wheel and tire sizes for every year, the aftermarket sizes DriveRight lists as tested, wheels in stock that fit, and 3 real wheel builds on the K1500.
See wheels on your K1500Quick answers
What is the GMC K1500 bolt pattern?
The GMC K1500 uses a 6x139.7 bolt pattern (1979–1999 models).
What size wheels fit a GMC K1500?
Factory wheels: 15x6 +10 (1979–1999). DriveRight's tested aftermarket sizes for the 1999 K1500: 15 to 22 in, offsets -52 to +10.
What offset fits a GMC K1500?
On the 1999 K1500, DriveRight's tested offsets run -52 to +10 depending on width and diameter. Lower offsets push the wheel out toward the fender; the table below lists factory offsets by year.
What lug nuts and hub bore does the GMC K1500 use?
Lug thread: M14x1.5 (1989–1999) and 7/16 UNF (1979–1988). Hub bore: 78.1 mm (1989–1999) and 89 mm (1979–1988).
What tire size does the GMC K1500 use?
Factory tires: 225/75R15 (1989–1999) and L60-15 (1979–1988).
GMC K1500 wheel specs by year
| Years | Bolt pattern | Hub bore | Factory wheel | Factory tire | Lug thread | Tested aftermarket sizes |
|---|---|---|---|---|---|---|
| 1989–1999 | 6x139.7 | 78.1 mm | 15x6 +10 | 225/75R15 | M14x1.5 | 15 to 22 in, offsets -52 to +10 |
| 1988 | 6x139.7 | 89 mm | 15x6 +10 | L60-15 | 7/16 UNF | 15 to 16 in, offsets +20 to +20 |
| 1979–1986 | 6x139.7 | 89 mm | 15x6 +10 | L60-15 | 7/16 UNF | 15 to 16 in, offsets +20 to +20 |
Specs: DriveRight vehicle data, base trim per year. Trims can differ; pick yours in the visualizer for an exact list.
Wheels in stock that fit the 1997 GMC K1500
GMC K1500 wheel builds
1997 GMC K1500US Mag 1PC NEMESIS 6x139.7 24x10 +25 Polished
1997 GMC K1500American Force 11 Independence SS 6X139.7 26X16 -101 POLISHED
1997 GMC K1500Carolina Forged Asheville 6x5.5 30x16 -101 High Polish