MICHELIN Ultra Heavy Duty 18-Inch Inner Tube – TR-4 | Part 89343
Built for the toughest off-road, agricultural, and industrial applications, the MICHELIN 18″ Ultra Heavy Duty Inner Tube (Part 89343) delivers exceptional puncture resistance and long-lasting reliability. With a reinforced 4 mm wall thickness and a center-mounted TR-4 metal valve, this tube is engineered to perform where standard tubes fail.
Key Features
- 4 mm Reinforced Wall Thickness: Dramatically reduces the risk of punctures and pinch flats on rocky, rutted, or debris-laden terrain.
- TR-4 Center Metal Valve: Provides a secure, airtight seal with easy inflation and deflation — compatible with standard valve tools.
- Ultra Heavy Duty Construction: Designed for sustained use under high load and harsh environmental conditions without degradation.
- 18-Inch Fitment: Fits 18″ tire applications across off-road motorcycles, ATVs, agricultural equipment, and industrial vehicles.
- MICHELIN Quality: Backed by MICHELIN’s global reputation for tire technology, innovation, and durability.
Specifications
- Brand: MICHELIN
- Part Number (MPN): 89343
- SKU: 89343
- Tube Size: 18 Inch
- Wall Thickness: 4 mm (Ultra Heavy Duty)
- Valve Type: TR-4 Center Metal Valve
- Weight: 4.06 lbs
- Application: Off-road, agricultural, industrial, motorcycle
Who Is This Tube For?
The MICHELIN 89343 inner tube is the go-to choice for riders and operators who demand more from their equipment. Whether you’re navigating rocky trails, working in the field, or running heavy industrial machinery, this tube’s reinforced construction keeps you rolling with confidence. Its broad 18″ compatibility makes it a versatile replacement tube for a wide range of vehicles and equipment.
