Description: Drive Belt Tensioner
Condition: New 
Brand: Detroit Diesel®
Part Number: A4722000170

• Weight: 18 lbs
• Fit for:  DD13,15,16/MTU 1300/ Freightliner - Cascadia PX-125, M2 112, 114SD/ Sterling - A9500, L9500/ 4900EX, 4900FA, 4900SA, 5700XE, 6900XD
  
• Dimensions:
  • Width: 1.57", 1.59", 1.26"
    
  • Outside diameter: 2.95", 2.91", 2.76"
    
  • Bearing bore inside diameter: 1.18", 1.18", 0.67"
• Construction:
  • Material: Steel
    
  • Pulley quantity: 3
    
  • Belt type: V-Ribbed
    
  • Groove quantity: 0, 10, 0
    
  • Mounting hole quantity: 3
    
  • Pulley groove quantity: 0, 10, 0
    
  • Contact surface: Smooth/backside, V-Ribbed grooved, Smooth/backside
• Functions:
  • Automatic adjustment
    
  • Prevents belt slippage and over-tightening
    
  • Maintains belt tension: The primary function is to automatically maintain the optimal tension on the engine's drive belt. 

A subsidiary of Daimler Trucks North America, Detroit Diesel® is a worldwide leader in manufacturing state-of-the-art engines, transmissions, and axles for various applications, including Western Star Trucks and Freighliner. Established more than 80 years ago, the company has expanded its product lineup to include telematics and advanced safety systems for a complete trucking solution. It takes pride not just on its product coverage but also its undying commitment to excellent customer service. It is composed of passionate, highly skilled, and knowledgeable people who ensure Detroit Diesel remains at the forefront of the heavy-duty engine and chassis components manufacturing industry. Headquartered in Detroit, MI, the company focuses on providing only the highest quality and innovative trucking solutions in the industry.