A Opel Monterey (1991–1999) uses a 6x139.7 PCD and a centre bore of 100.1 mm.
Any wheel must match the vehicle's PCD exactly: there is no tolerance, unless you use a PCD adapter.
Centre bore: the wheel must have a centre bore of 100.1 mm or more. If it is larger (as with most aftermarket wheels), add a hub centric ring wheel centre bore → 100.1 mm.
Offset: the original is ET30. Compare your future wheel with the offset calculator (your vehicle is already selected) to see how many millimetres further in or out it will sit.
Fixings: thread Ecrous - 12x1.50, tightened to 118 Nm. The nuts or bolts must have the same seat (conical, spherical or flat) as the wheel.
Tyres: original fitment is 205/80R16. For another size, check the diameter difference with the equivalence calculator (under 3 % recommended).
Vehicles with the same PCD and centre bore
Same 6x139.7 PCD and same 100.1 mm centre bore: wheels from these vehicles bolt on and centre on a Opel Monterey without rings. Offset, width, diameter and caliper clearance still need checking.
Will wheels from another vehicle fit your Monterey?
Choose the vehicle the wheels come from: we compare the hub, then each original wheel to the millimetre.
Same PCD, different centre bore
These vehicles also use 6x139.7 but with a different centre bore: their wheels need a hub centric ring if their centre bore is larger than 100.1 mm, and will not fit if it is smaller.
A Opel Monterey (1991–1999) has a PCD of 6x139.7: 6 studs or bolts spaced around a circle 139.7 mm in diameter.
Does a Opel Monterey need a hub centric ring?
The centre bore (hub diameter) of a Opel Monterey is 100.1 mm. A wheel with a larger centre bore is fitted with a hub centric ring that brings it down to the hub diameter. A wheel with a smaller centre bore cannot be fitted.
What offset (ET) for a Opel Monterey?
The recorded original offset is ET30. A lower ET pushes the wheel outwards, a higher ET pulls it inwards: check wheel well and caliper clearance before making any change.
What tightening torque for the wheels of a Opel Monterey?
The specified tightening torque is 118 Nm for Ecrous - 12x1.50 fixings. Tighten in a criss-cross pattern with a torque wrench and check the tightness again after about fifty kilometres.
Which vehicles have the same PCD as a Opel Monterey?
With the same PCD (6x139.7) and the same centre bore (100.1 mm), these include: Isuzu D-Max. Offset, width and rim diameter still need checking for each vehicle.
Does a value look wrong, or is a version missing? Let us know, we check every report.
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