YeYouC Inner Tube 20x8.00-8 TR13 Valve — Heavy-Duty Butyl, Fits 8–10" Tires (1 PC)

YeYouC heavy-duty 20x8.00-8 inner tube is a thick butyl replacement tube with a TR13 straight valve designed to fit 8" rims and 8–10" tire widths for mowers, tractors, carts and utility equipment.

This replacement inner tube is engineered to be a durable spare for a wide range of small utility tires. Built from reinforced butyl rubber and supplied with a TR13 straight valve stem and valve cap, it offers strong air retention and vibration damping for outdoor equipment such as lawn mowers, garden carts, small tractors and golf carts. The oversized compatibility means one tube can replace several common sizes, simplifying maintenance and reducing downtime.

Which tire sizes and rims will this tube work with?

This tube is sized for an 8-inch rim and fits tires whose nominal widths range roughly from 8 to 10 inches. It is sold as a 20x8.00-8 replacement but also covers several related size markings used on utility tires.

• Primary fit: 20x8.00-8 (15.5" outside diameter)
• Also compatible with: 20x10.00-8, 19x7-8, 18x6.50-8, 18x7.50-8, 18x8.50-8, 18x9.50-8
• Designed for 8" rim diameter — confirm your existing tube size before replacing

How durable and airtight is this replacement inner tube?

The tube is made from heavy-duty butyl rubber chosen for strength and reliable air retention. Its thicker construction improves resistance to punctures and provides better shock absorption compared with standard tubes, while the TR13 straight valve supports up to 60 psi for many utility applications.

• Material: reinforced butyl rubber for improved tear and puncture resistance
• Valve: TR13 straight valve stem with included valve cap for secure sealing
• Max inflation: rated up to 60 psi (follow your tire manufacturer’s recommendation)

What equipment and uses does this tube support?

This inner tube suits a long list of outdoor and light-industrial machines, making it a practical spare for homeowners and contractors. It works well where 8" rims are common and where durable, vibration-damping tubes reduce wear and improve ride comfort.

• Common equipment: lawn mowers, garden tractors, hand trucks, wheelbarrows, wagons
• Other uses: yard trailers, pressure washers, generators, snow blowers, tillers, small ATVs and golf carts
• One-piece package: includes 1 inner tube and 1 valve cap

Who is this for: This YeYouC inner tube is aimed at homeowners, landscapers and light-equipment operators who need a reliable, multi-fit replacement for small utility tires. If you maintain lawn tractors, garden trailers, or workshop equipment with 8" rims, this heavy-duty butyl tube provides a practical spare that reduces downtime and improves ride comfort. Always verify your existing tube or tire markings to confirm compatibility before installing.