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This Michelin pilot sport a/s 4 tire is built in size 245/45ZR20 with a 103Y load and speed designation. Match the complete size, load capacity, speed rating, construction, season, approved wheel-width range, and vehicle placard before ordering.
Key Features
- 103Y rating supports 1920 lbs per tire at 50 psi speeds to 186 mph.
- Extreme Silica Compound: Delivers strong dry wet and light snow traction across temperatures.
- Maintain recommended inflation pressure for optimal performance and safety.
- Tire requires professional mounting balancing and alignment for best results.
- Reuse or replace TPMS sensors if vehicle equipped.
- Leads tire industry with motorsport tested technology.
Fitment
| Tire Size | Load and Speed | Construction | Verification |
|---|---|---|---|
| 245/45ZR20 | 103Y | XL | Confirm vehicle placard, wheel width, axle load, clearance, and intended use |
Specifications
| Brand | Michelin |
|---|---|
| Manufacturer Part Number | 17478 |
| Product Type | Automotive Tire |
| Tire Size | 245/45ZR20 |
| Load and Speed Rating | 103Y |
| Construction | XL |
| Fitment Type | Specification Matched |
| Condition | New |
What's Included
One new Michelin tire identified by manufacturer part number 17478. Wheel, valve stem, TPMS sensor, mounting, balancing, alignment, road-hazard coverage, and additional tires are not included unless expressly stated.
About Michelin
Michelin develops passenger, performance, sport-utility, light-truck, all-season, all-weather, winter, and track-focused tires for a broad range of road and driving conditions.
Related Michelin Products
- Shop all Michelin tires
- Michelin Pilot Sport 4 S 245/45ZR20 (103Y) XL
- Michelin Crossclimate2 A/W 215/55R18 95H
- Michelin Crossclimate2 A/W 225/40R18 92V XL
Frequently Asked Questions
Will this Michelin tire fit my vehicle?
Match the full sidewall size to the vehicle placard or an approved wheel setup, then confirm wheel width, load index, speed rating, axle load, clearance, and any staggered sizing.
Can I mix this tire with a different tread pattern?
A matched set is preferred for predictable handling. Follow the vehicle and tire manufacturer requirements, especially for all-wheel-drive vehicles and staggered applications.
Does the listing include a wheel or a full set of tires?
No. The listing includes one tire unless the quantity selector or product title expressly states otherwise. Wheels, sensors, mounting, and balancing are separate.
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