OEM spec belt tensioner 21587366 for Volvo D11/D13 & Mack MP7/MP8 engines. Fits FH, FM, VNL, & CXU models. Replaces 21819687, APV3707, 6.31011.
| Part Number | 21587366 |
| Replaces OE Numbers | 21819687, 7421819687 |
| Aftermarket Cross References | DAYCO APV3707, DAYCO 89941, DT Spare Parts 6.31011 |
| Engine Fitment | Volvo D11, Volvo D13, Renault DXi 13 |
| Belt Type | V-Ribbed Belt |
| Weight | 3.96 lbs (1.8 kg) |
| Package Dimensions | 11.81 x 7.09 x 7.09 inches |