Ford Explorer ST (2025-2026) Wheel Fitment Guide

The 2025 is a facelift of the same U625 platform — the suspension geometry, bolt pattern, center bore, thread pitch, and torque spec are all unchanged. The key difference is that the 21×9 ET37.5 wheel is now standard equipment instead of requiring the ST Street Pack upgrade. The wheel style itself changed from a 7-spoke gloss black design (LB5Z-1007-F) to a new 15-spoke Magnetite-painted design (RB5Z-1007-D). The 20×8.5 ET44.5 standard wheel from the 2020–2024 model is no longer part of the ST configuration.

Bolt pattern is 5×114.3 (also expressed as 5×4.5″). Center bore is 70.5mm. Lug nuts use M14x1.50 thread pitch with a 60-degree conical seat. Torque specification is 150 lb-ft (204 Nm). These specs are unchanged from the 2020–2024 generation.

Yes. The 2025 Explorer ST shares the same platform, suspension geometry, and clearance envelope as the 2020–2024 model. Every aftermarket fitment confirmed on the earlier generation applies directly to the 2025. The inner suspension clearance thresholds, offset limits, and tire size guidance are identical.

On a 10.5″-wide wheel, ET30 is commonly cited across the Explorer ST community as the practical minimum for clean fitment. Below ET30 on a wide tire, the inner barrel of the tire begins to encroach on front suspension components. ET25 on a 10.5″ wheel with a 305/40 tire has been documented as contacting the front sway bar or shock at full steering lock — owners typically avoid that pairing. On the outer side, 305/40 on a 10.5″ wheel at ET30 has been documented as lightly contacting the front fender liner at full steering lock; 305/35 commonly clears at the same dimensions.

At stock ride height, the most commonly documented setup is 20×10.5 ET30 with 295/45R20 tires. For 2025-2026 owners this is a deliberate diameter downsize from the OEM 21×9 in exchange for wider tire and more sidewall — overall diameter stays close to OEM (~30.5″ vs ~30.7″), so no speedometer correction is needed. The 22×10.5 ET30 with 305/35R22 is the second-most-common setup, preferred by owners who want larger-diameter visual impact. Both fit without fender work or spacers at stock height; some tire compounds have been documented as producing light contact at mid-steering-lock with the front fender liner, so verifying clearance through the full steering range is commonly cited as best practice.

The most commonly documented setup across the Explorer ST community is 20×10.5 ET30 with 295/45R20 tires. For 2025-2026 owners this is a deliberate diameter downsize from the OEM 21×9 in exchange for a wider 295mm tire. Overall diameter stays close to OEM (~30.5″ vs ~30.7″), so no speedometer correction is needed. The 22×10.5 ET30 with 305/35R22 is the second-most-common choice, frequently chosen by owners who prefer larger-diameter visual impact.

The Explorer ST uses M14x1.50 thread pitch lug nuts with a 60-degree conical seat. Many aftermarket wheels use a ball-seat or flat-seat design, which requires matching aftermarket lug nuts. The OEM conical nuts will not seat correctly in a ball-seat wheel. Always verify the seat type your aftermarket wheel requires before purchasing lug hardware.

All confirmed aftermarket fitments on the Explorer ST platform are square — the same size all four corners. The OEM configuration is also square. Square setups allow tire rotation across all four corners, are simpler to source, and are how this platform is universally run by the aftermarket community.

The OEM 21×9 ET37.5 wheels pair well with winter-specific 275/45R21 tires — Nokian Hakkapeliitta R3 SUV and Michelin X-Ice Snow have been used successfully by ST owners on this rim size. Alternatively, a dedicated 18″ or 19″ steel wheel with a 255/65 or 265/60 winter tire gives a taller sidewall and better snow traction at lower cost per season. Narrower tires typically outperform wide low-profile setups in snow — the OEM 275 width is already wide enough that a step down for winter is worth considering in serious snow climates.

The Explorer ST is a roughly 4,800 lb SUV, and OEM tires are rated for extra-load (XL) construction. Aftermarket wheels should be load-rated for at least 1,750 lbs per wheel to maintain a safety margin on a fully loaded ST. Aftermarket tires should maintain XL or equivalent reinforced construction; standard-load tires at the same nominal size are not a like-for-like replacement. Both matter more if you tow — the 2025 ST’s towing capacity assumes OEM-spec load ratings are preserved. Always verify the wheel manufacturer’s published load rating before purchasing, and match or exceed OEM tire load index when selecting aftermarket tires.

Every FMB order goes through a sanity check and an engineering verification before any aluminum is forged. First, our team cross-references the configuration you’re ordering against your trim and brake package and flags anything that falls outside what’s commonly documented on similar Explorer ST builds. Second, our manufacturing partner verifies the wheel itself — backspace, brake caliper clearance, and structural spec — before production begins. You then approve the final design render and confirmed specs before any work starts. Ride height, tire choice, and alignment are things your installer handles on the car; the fitment guides on this site are researched starting points for making those decisions with your installer.