20x8.00-8 Lawn Mower Tire Tube,Compatible with Lawn Mowers,Tractors,Snow Blower,Golf Carts,and Garden Trailer 20x8x8 inner tube,with TR13 Straight Valve Stem(2 PACKS)

What It Is

This is a 20x8.00-8 inner tube with a TR13 straight valve stem, sold as a 2-pack. It replaces a worn or punctured tube inside a 20x8-8 tire, commonly used on lawn mowers, garden tractors, snow blowers, golf carts, and small trailers.

Fitment & Compatibility

Before buying, confirm three things:

• Tire size: Must be 20x8.00-8 (or 20x8-8). This tube fits tires with a 20-inch diameter and 8-inch width, mounted on an 8-inch rim.
• Valve stem: TR13 is a standard straight stem (about 1.5 inches long). Works with most mower rims, but check that your rim’s valve hole is centered and not angled.
• Rim type: Compatible with standard 8-inch rims (e.g., 4-bolt, 5-bolt). Not for zero-turn mowers with odd offset rims unless the tire size matches.

Measure your existing tube’s size and valve type. This is a generic aftermarket part, not OEM-specific, so it should fit any machine using a 20x8-8 tire.

Key Things to Know

• Quality: Budget-friendly but functional. Users report decent durability for mowing and light trailer use. Not meant for heavy loads or high-speed road use.
• Installation: Moderate difficulty. You’ll need tire irons to break the bead and remove the tire from the rim. Lubricant helps avoid pinching the tube. Watch the valve stem alignment.
• Common gotcha: The TR13 stem is straight, not angled. If your rim has a deep well or tight clearance, an angled stem may be easier to access. Measure stem length before buying.
• 2-pack value: Cheaper per tube than singles. Good for replacing both rear tires or having a spare.

Should You Buy It

Buy this if you need a reliable, low-cost replacement tube for a standard 20x8-8 tire on a mower, tractor, or small trailer, and you’re comfortable with basic tire work. Skip it if you need an angled stem, heavy-duty tube for commercial use, or OEM-specific fitment.