Dayco Heavy-Duty 2-Piece Tensioner

Click to view installation video, download sell sheet or technical guide.

Cuts installation time in half. This specially designed tensioner comes in two pieces to address severe installation issues and a high failure rate with the original tensioner for approximately half a million Detroit Diesel 13 and 15 series engine applications.  

Engineered from premium OE equivalent materials: 

  • Resists wear in extreme temperatures and harsh environments
  • Protects against shock loads experienced by today’s trucks
  • Reduces installation time by 50%
  • Available in three different heavy-duty serpentine belt kits
DaycoTwoPieceTensioner Split Left

Links are provided below to the SKUs in the line:

Part #
Year
Make
Model
Liter
VIO
89947
2008-2020
Freightliner, Kimble Chassis, Pierce Mfg. Inc., Sterling Truck, Van Hool, Western Star
114SD, 122SD, 4700SB, 4700SF, 4800SB, 4800SF, 4900EX, 4900FA, 4900SA, 5700XE, 6900XD, A9500, Arrow XT, Cascadia, Century Class, Columbia, Commuter Coach CX, Coronado, Custom, Dash CF, FL 114SD, KF3200C, L9500, M2, M2 112, Quantum, Sport Chassis, TDX Double Decker Coach, Tourist Coach TX, Velocity, XC Modular Rail, XC Raised Rail
12.8, 14.8, 15.0
662,770