fits model: St175. year: 2013.

( Brand: Loadstar ), ( Manufacturer Part Number: 31975 ), ( Part Type: Tire Wheel ), ( UPC: 787558319753 )
The **Loadstar ST175/80R13 tire** (model number **31975**) is a rugged, high-performance radial tire engineered specifically for heavy-duty applications, including full-size trucks, SUVs, and off-road vehicles designed to carry substantial loads with confidence. This tire is part of General Tire s Loadstar lineup, a series renowned for its durability, load-carrying capacity, and resilience in demanding conditions. With a **175-millimeter section width**, the ST175/80R13 strikes a balance between stability and maneuverability, making it ideal for vehicles requiring both strength and precision handling. The **80-series aspect ratio** indicating a taller sidewall relative to the tire s width enhances ride comfort by absorbing road imperfections while maintaining structural integrity, reducing the risk of sidewall damage on rough terrain or uneven surfaces.
Built with **radial construction**, this tire features a reinforced belt system that distributes weight evenly across the footprint, improving traction, fuel efficiency, and longevity compared to bias-ply alternatives. The **13-inch rim fit** ensures compatibility with a wide range of full-size trucks, including those equipped with heavy-duty suspension systems, while the **hole-ply design** (a term sometimes used to describe reinforced layers for added strength) underscores its ability to withstand high loads without compromising performance. The tread pattern is meticulously engineered for versatility, offering a blend of **on-road grip** for highway driving and **off-road capability** for light-duty overlanding or farm use. Deep, aggressive tread grooves channel water and mud efficiently, reducing hydroplaning risks on wet surfaces and providing traction on loose or slippery terrain.
Underneath the tread, the Loadstar ST175/80R13 incorporates **high-quality rubber compounds** optimized for heat resistance and wear longevity, ensuring consistent performance even under prolonged heavy loads or in extreme temperatures. The tire s **load index** (likely rated for high-capacity applications) and **speed rating** (if applicable) make it a reliable choice for towing, hauling, or daily driving where reliability is paramount. Whether navigating city streets, rural backroads, or light off-road adventures, this tire delivers a harmonious blend of **durability, load capacity, and adaptability**, making it a standout option for drivers seeking a tire that can handle both the demands of daily commuting and the occasional rugged challenge. Its robust construction and thoughtful engineering ensure it remains a dependable companion for vehicles that require a tire built to last.
### **Pros and Cons of buying a Loadstar 31975 ST175/80R13 (13-Ply, Radial) Tire**
#### **Pros:**1. **Heavy-Duty Construction** The 13-ply rating indicates a robust, reinforced sidewall designed for high load capacities, making it suitable for larger vehicles like SUVs, trucks, or commercial vans.
2. **Radial Design** Radial tires offer better fuel efficiency, longer tread life, and improved handling compared to bias-ply tires, which were more common in older heavy-duty applications.
3. **Durability** The thick sidewall and reinforced construction provide resistance to punctures, road hazards, and wear, making it ideal for off-road or mixed-use scenarios.
4. **Load Capacity** The **ST (Special Trailer)** designation means it s rated for towing heavy trailers, making it a strong choice for vehicles used for hauling.
5. **Wide Tread Pattern** The tread design is optimized for stability and traction, which can be beneficial for towing or carrying heavy loads.
6. **Compatibility with Older Vehicles** Many classic trucks, SUVs, and vans from the 1980s 2000s use this size, so it s a common replacement option.
7. **Good for Off-Road Use** The deep tread and sturdy build can handle rough terrain better than some modern passenger tires.
#### **Cons:**1. **Noise** Older-style heavy-duty tires, especially radials with thick sidewalls, can be louder than modern passenger or light-truck tires.
2. **Fuel Efficiency** Due to their weight and design, these tires can slightly reduce fuel economy compared to modern low-rolling-resistance options.
3. **Harsh Ride Quality** The rigid sidewall and thick tread may result in a firmer, less comfortable ride compared to modern tires with softer compounds.
4. **Limited Availability** As a discontinued or older model, finding replacements may be harder than for newer, more common tire sizes.
5. **Weight** The reinforced construction makes these tires heavier than standard passenger tires, which can affect handling and maneuverability.
6. **Potential for Overheating** If used at high speeds or under heavy loads without proper inflation, the thick sidewall may retain heat, increasing wear risk.
7. **Modern Safety Standards** Some newer vehicles may not have the same suspension or braking systems optimized for the stiffness of these older tires, potentially affecting performance.
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### **Conclusion**
The **Loadstar 31975 ST175/80R13 (13-ply radial)** is a **reliable, heavy-duty tire** best suited for **towing, off-roading, or vintage vehicles** where durability and load capacity are priorities. However, it sacrifices some **comfort, fuel efficiency, and noise reduction** compared to modern alternatives.
If you need a **long-lasting, high-capacity tire for a classic truck, SUV, or trailer towing**, this is a solid choice. However, if you prioritize **smoothness, fuel economy, or modern safety features**, a newer **LT (Light Truck) or all-terrain radial tire** may be a better fit.
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### **Recommendation:** - **Buy it if:**- You have an older vehicle (pre-2000s) that requires this exact size.
- You frequently tow heavy loads or use off-road trails.
- You prefer a **durable, puncture-resistant tire** over modern comfort-focused options.
- **Consider alternatives if:**- You want a **quieter, smoother ride** (look for modern LT tires like **BFGoodrich KO2, Michelin LTX M/S, or Goodyear Wrangler ST**).
- You need **better fuel efficiency** (modern radials with lower rolling resistance perform better).
- You have trouble finding replacements (check for **OEM equivalents or aftermarket options** like **General Grabber, Toyo Open Country, or Cooper Discoverer ST**).
If possible, **test the tire on your vehicle** before committing, as ride quality can vary significantly between older and newer models.
Loadstar 31975 ST175/80R-13 5 Hole C Ply 13 St Radial Tire Wheel Assembly.