The 9×3.50-4 size is a common choice for small scooters, mini ATVs, go-karts, and garden equipment. This guide highlights five reliable 9×3.50-4 tires and inner tubes from reputable brands, focusing on durability, air retention, and compatibility with a range of light-duty machines. Each product section provides key features and direct access to purchase.
| Product | Brand | Notes |
|---|---|---|
| FVRITO 9×3.50-4 Tire and Inner Tube | FVRITO Store | Versatile for mini ATVs, lawnmowers, and scooters |
| GREHUA 9×3.50-4 Tire Inner Tube | GREHUA Store | Butyl rubber, durable, good air retention |
| 9×3.50-4 9″x3-1/2″ Tire Outer | HOLATO Store | Fits 4 inch rims, includes valve components |
| 9×3.50-4 9″x3-1/2″ Tire and Inner Tube (2 Pack) | HOLATO Store | Two-pack option with full hardware |
| AlveyTech 9×3.50-4 Tire | AlveyTech Store | Wear-resistant, broad compatibility |
FVRITO 9×3.50-4 Tire And Inner Tube

Product details show compatibility with garden lawnmowers, 49cc mini ATVs, mini quads, go-karts, and various scooters. The package includes an inner tube, tire, multiple valve caps, a valve core wrench, and brass valve cores. The 9×3.50-4 size is widely used and often referred to as 9×3-1/2, making it a practical replacement for many light-duty machines. The kit’s components promote reliable air retention and ease of maintenance in outdoor or workshop environments.
GREHUA 9×3.50-4 Tire Inner Tube

GREHUA emphasizes fitment for garden lawnmowers, mini ATVs, and various small vehicles. The butyl rubber construction enhances air retention and longevity, while nylon-reinforced carcass supports durability on rough surfaces. A rugged valve stem is designed to resist tearing, extending service life. The tube’s design supports better inflation stability and a dependable ride on bumpy roads, making it suitable for frequent outdoor use.
9×3.50-4 9″x3-1/2″ Tire And Inner Tube For 49cc Stand Up Gas Scooters

The HOLATO set covers a range of stand-up and 4-wheeler configurations, including Zooma scooters and Exmark turf movers. It’s designed for 9×3-1/2 tires on 4-inch rims, and the package includes tire, inner tube, valve caps, spare cores, and a 4-way valve tool. This completes maintenance tasks with essential hardware, ensuring reliable inflation and mounting for smooth operation on small models.
9×3.50-4 9″x3-1/2″ Tire And Inner Tube (2 Pack)

This HOLATO Store option provides two tires and two inner tubes, doubling replacement readiness for busy workshops or fleets. The package includes red and black valve caps, spare valve cores, and a 4-way valve tool. Compatibility spans Zooma scooters, 4-wheeler models from the 1980s, Exmark turf movers, and other 49cc stand-up or mini ATV configurations. The two-pack format supports cost-effective, long-term maintenance planning.
AlveyTech 9×3.50-4 Tire

AlveyTech’s tire combines wear resistance and shock absorption with broad compatibility for rims 3-1/2″ to 4″ wide. The 4-ply rating contributes to traction and stability on varied surfaces, making it a solid choice for light-duty garden equipment, small go-karts, and similar machinery. The construction emphasizes durability for frequent outdoor use and provides dependable performance over time.
Buying Guide
Key purchase considerations for 9×3.50-4 tires and inner tubes include fitment, material quality, air retention, and kit contents. When selecting, verify that the tire’s rim width matches your wheel (3-1/2″ to 4″). Butyl rubber tubes offer better air retention and slower deflation compared to standard rubber, which is important for long sessions and outdoor work. Look for reinforced carcasses and tread designs that suit rough or uneven surfaces, especially for lawnmowers and go-karts used on gravel or dirt.
Kit contents matter: some packages include valve caps, valve cores, and a valve tool, which reduces additional shopping trips. Consider whether you need a single-tire-and-tube package or a two-pack for fleets or multi-vehicle setups. Brand reputation and warranty can influence long-term reliability, particularly for frequent use in garden and hobbyist environments.
For compatibility, cross-check the product description with your vehicle’s model and rim size. Some listings reference legacy model names or partial fitments (like “9×3-1/2”), so confirm measurement equivalence. Finally, assess price per tire-tube pair to ensure cost efficiency over time, especially if replacements are anticipated due to wear or puncture risks.