1999 Ford Taurus Wheel Fitment and Interchange Guide
Known OEM Fitment For 1999 Ford Taurus
The following specifications are the known baseline data for the 1999 Ford Taurus. Fitment can vary by trim, package, brake configuration, wheel design, and replacement parts, so confirm the information on the vehicle and in Ford service documentation before buying wheels or tires.
| Specification |
Known value |
| Bolt pattern |
5x108, 5 studs on a 108 mm pitch circle diameter |
| Center bore |
63.4 mm |
| Thread size |
M12 x 1.5 |
| Rim diameter |
15 inches |
| Rim width |
6.0 inches |
| Wheel offset |
ET42, or 42 mm |
| Backspacing |
4.65 inches |
| Tire size data |
205 mm section width, 65 percent aspect ratio, 15 inch rim diameter |
These measurements should be treated as a starting point, not a guarantee that every 5x108 wheel will fit. A replacement wheel must also clear the brake assembly, suspension, hub, and fender area. The wheel's center bore should fit the hub correctly. A larger center bore may require properly sized hub-centric rings, while a smaller center bore will not fit over the hub.
Before ordering, compare the wheel markings with the values above and verify the exact trim and equipment using Ford documentation, the vehicle identification number, the owner's manual, or the label on the existing wheel. Do not rely on bolt pattern alone.
How To Use The Wheel Interchange Calculator
Use the wheel interchange calculator on this page to compare a donor vehicle's wheel with the wheel installed on your 1999 Ford Taurus. Enter the donor vehicle in the “Wheels from” section and enter the Taurus in the “Installed on” section.
- Compare bolt pattern, center bore, wheel diameter, wheel width, and offset.
- Review the difference between the donor wheel and the Taurus reference setup rather than checking only whether the lug holes match.
- Use the “Custom wheel size” controls to test a specific rim diameter, rim width, or offset.
- Use the “Custom tire size” controls to compare section width and aspect ratio.
- When you change rim diameter, review the updated tire diameter in the comparison. A different wheel diameter normally requires a tire with a suitable sidewall size to maintain a close overall diameter.
The calculator is a comparison tool and does not replace a physical test fit. If a result is uncertain, remove one existing wheel, inspect the mounting surfaces, and check clearance with the replacement wheel before installing a complete set.
Fitment Checklist Before You Buy
- Confirm the 5x108 bolt pattern and verify that the wheel is designed for the correct fastener seat.
- Check the center bore against the 63.4 mm reference. Do not force a wheel with a smaller bore onto the hub.
- Compare offset with the known ET42 reference. A change in offset can move the wheel inward toward suspension parts or outward toward the fender.
- Verify rim diameter and width. The known reference is a 15 x 6.0 inch wheel.
- Check brake caliper and suspension clearance. Spoke shape can affect clearance even when diameter and offset appear correct.
- Confirm tire load index, speed rating, size, and approved rim-width range from the tire manufacturer.
- Inspect the wheel for cracks, bends, corrosion, repaired damage, and damaged mounting holes.
- Confirm that the wheel nuts match the wheel's seat type and thread requirements. The known thread size is M12 x 1.5, but the seat style still must match.
- Check whether the replacement wheel requires different valve stems, sensors, hub rings, or wheel nuts.
- After installation, verify that the tire does not rub during steering lock, suspension compression, or normal loading.
Ask the wheel manufacturer or seller for a vehicle-specific fitment confirmation when the listing does not state center bore, offset, load rating, and fastener-seat details.
Plus Sizing And Common Upgrades
Plus sizing means using a larger rim diameter with a lower-profile tire so the overall tire diameter remains close to the original reference. The calculator can help compare custom rim and tire combinations, but it does not establish whether a particular combination clears every Taurus brake and suspension component.
When evaluating a custom setup, compare the tire's calculated overall diameter, section width, load rating, and rim-width requirements. A wider tire or a different offset may increase the risk of contact with the strut, spring, inner fender, outer fender, or steering components. A smaller sidewall can also make wheels and tires more vulnerable to impact damage.
Do not select a replacement tire solely by matching the 15 inch rim diameter. Confirm the complete tire specification and use the vehicle manufacturer's guidance where available. If the vehicle has non-original brakes, suspension changes, spacers, or lowered ride height, OEM-based fitment information may no longer apply.
Installation Tips
Clean the hub face and wheel mounting surface before installation. Rust, paint buildup, or debris between the hub and wheel can create runout and prevent the wheel from seating correctly.
- Install wheels with the vehicle safely supported on approved jack stands or a lift.
- Hand-start every fastener to avoid cross-threading.
- Tighten fasteners in a star or crisscross sequence.
- Use the vehicle or wheel manufacturer's torque specification. Do not substitute an estimate.
- Keep mating surfaces free of grease unless the manufacturer specifically directs otherwise.
- Check that the wheel spins freely and that there is no contact with brake, suspension, or body components.
- Set tire pressure using the vehicle's recommended cold-pressure label, not the maximum pressure molded into the tire sidewall.
- Recheck fastener torque after the first short drive and again according to the wheel manufacturer's instructions.
- Have the tires balanced and obtain an alignment if the steering wheel is off-center, the vehicle pulls, or suspension parts were disturbed.
If vibration, rubbing, loss of pressure, or unusual steering behavior occurs, stop driving and inspect the installation.
Tools And Helpful Supplies
Basic wheel service usually requires a floor jack, approved jack stands, a correctly sized socket, a breaker bar, and a calibrated torque wrench. A tire pressure gauge, tread-depth gauge, wire brush, flashlight, and measuring tools can also help with inspection.
Use jack stands on a solid, level surface and follow the equipment manufacturer's instructions. Never work beneath a vehicle supported only by a jack.
FAQs
What is the bolt pattern for a 1999 Ford Taurus?
The known bolt pattern is 5x108. Confirm the exact vehicle and wheel specifications before purchase because bolt pattern alone does not prove complete fitment.
What is the center bore for the 1999 Ford Taurus?
The known center bore is 63.4 mm. A wheel with a smaller bore will not fit over the hub. A larger bore may need correctly sized hub-centric rings if required by the wheel design and application.
What wheel size is listed for the 1999 Ford Taurus?
The known reference wheel is 15 inches in diameter and 6.0 inches wide, with ET42 offset and 4.65 inch backspacing. These values should be verified against the vehicle, trim, and existing wheel.
What tire information is known for this Taurus fitment?
The provided reference uses a 205 mm section width, a 65 percent aspect ratio, and a 15 inch rim diameter. Confirm the complete tire size, load index, and speed rating on the vehicle label, tire sidewall, or OEM documentation.
Can any 5x108 wheel fit a 1999 Ford Taurus?
No. The wheel must also have suitable center bore, offset, width, brake clearance, fastener-seat compatibility, and load capacity. Use the calculator for an initial comparison and confirm uncertain measurements with the wheel manufacturer or an OEM source.
Can I use a larger wheel diameter?
A larger wheel may be possible, but no specific upgrade size is confirmed here. Test the proposed diameter, width, offset, and custom tire size in the calculator, then verify clearance and tire specifications before buying.
Do wheel spacers solve an offset mismatch?
Spacers change wheel position but can reduce hub engagement, alter fastener engagement, and increase clearance risks. Use only products approved for the vehicle and wheel, with correct installation hardware and documentation. A spacer should not be used to make an otherwise unsuitable wheel safe.
Why does the calculator change tire diameter when I change rim diameter?
The calculator updates the comparison because rim diameter and tire sidewall height work together to determine overall tire diameter. A larger rim generally requires a lower-profile tire if the goal is to keep the overall diameter close to the reference.
