Cadillac Escalade EXT Bolt Pattern, Center Bore & Wheel Offset (2002–2007)
Cadillac Escalade EXT wheel fitment: 6x139.7 bolt pattern, 78.1mm center bore (2002–2007). OE wheel sizes and offsets for every Escalade EXT variant we cover
- 6x139.7bolt pattern (PCD)
- 78.1 mmcenter bore
- M14x1.5 Nutwheel bolt / nut
- 3 guidesmodel years 2002–2007
Cadillac Escalade EXT wheel specs by year and trim
| Year | Model / trim | Bolt pattern | Center bore | OE wheel |
|---|---|---|---|---|
| 2007 | Cadillac Escalade EXT | 6x139.7 | 78.1 mm | 18x8J ET31 |
| 2003 | Cadillac Escalade EXT | 6x139.7 | 78.1 mm | 17x7.5J ET31 |
| 2002 | Cadillac Escalade EXT | 6x139.7 | 78.1 mm | 17x7.5J |
Factory wheel sizes on the Cadillac Escalade EXT
Across the 3 Cadillac Escalade EXT trims with a documented factory wheel, the OE diameter is 17-18 inch, width 7.5-8J and offset ET31. A forged wheel that keeps the 6x139.7 bolt pattern and the 78.1 mm hub bore and stays inside that offset range bolts on without spacers or hub rings. Going one inch up in diameter with a lower-profile tyre keeps the rolling circumference inside the usual 1.5% tolerance; every extra 0.5J of width moves the outer lip about 6 mm outward at the same offset, and each 5 mm less offset moves the whole wheel 5 mm outward.
Forged wheels for the Cadillac Escalade EXT (6x139.7)
Shop all Cadillac Escalade EXT forged wheels →
Get a quote for Cadillac Escalade EXT wheels
Vehicles With the Same Hub as the Cadillac Escalade EXT (6x139.7, 78.1 mm Bore)
In our database, 64 other vehicle entries from 5 makes use exactly the same 6x139.7 bolt pattern and 78.1 mm center bore. Factory wheels from these cars bolt on and center on the hub without rings; offset and width still have to be checked.
6x139.7 is used by 4.0% of the vehicle pages in our English fitment guide (258 of 6,503); 31.0% of those also use a 78.1 mm center bore.
Hub-Centric Rings for a 78.1 mm Center Bore
A wheel with a center bore larger than 78.1 mm needs a hub-centric ring. The most common combinations:
| Wheel bore | Ring size |
|---|---|
| 84.1 mm | 84.1 → 78.1 mm |
| 93.1 mm | 93.1 → 78.1 mm |
| 100.1 mm | 100.1 → 78.1 mm |
| 106.1 mm | 106.1 → 78.1 mm |
ANKUSI forged wheels are bored to exactly 78.1 mm for this vehicle, so no ring is needed.
Sources and Last Update
Bolt pattern and center bore were checked against at least two independent fitment references before publication.
This record is part of the open ANKUSI Wheel Fitment Dataset (DOI 10.5281/zenodo.23241521, CC BY 4.0).
Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.
FAQ
What is the bolt pattern on a Cadillac Escalade EXT?
The Cadillac Escalade EXT uses a 6x139.7 bolt pattern with a 78.1mm center bore across every Escalade EXT variant in our database (3 guides, 2002–2007).
What is the Cadillac Escalade EXT center bore?
The hub-centric center bore is 78.1 mm. Aftermarket wheels should match this bore or use hub-centric rings so the hub, not the bolts, carries the load.
Do all Cadillac Escalade EXT years share the same wheel fitment?
The bolt pattern and center bore are the same across the years we cover, but OE wheel width and offset differ by trim, so check the exact model line before choosing an aftermarket size.
Which forged wheels fit the Cadillac Escalade EXT?
Any wheel drilled 6x139.7 with a 78.1mm hub bore in the offset range shown on the model guide. ANKUSI forges wheels to order for this exact specification, in 14–24 inch diameters, so no adapters or hub rings are needed.