Idler & Belt Tensioner Pulleys
Most of today’s vehicles use Idler Pulleys to assist in belt routing and tensioning within the accessory drive system. Air conditioning compressors, alternators, power steering pumps, and water pumps are aided by the function of Idler Pulleys. All Idler Pulleys are of the highest quality and meet or exceed OE specifications.
Idler & Belt Tensioner Pulley Specification Chart
| PART # | O.D. MM | O.D. IN. | I.D. MM | I.D. IN. | BELT MM | BELT IN. | PULLEY TYPE | MATERIAL |
| 5900 | 94mm | 3-11/16" | 17mm | .67" | 13mm | 1/2" | V-Belt | Steel |
| 5902 | 81mm | 3-3/16" | 17mm | .67" | 13mm | 1/2" | V-Belt | Steel |
| 5942 | 84mm | 3-5/16" | n/a | n/a | 26mm | 1" | Back Idler Assembly | Steel |
| 5946 | 95mm | 3-3/4" | n/a | n/a | 13mm | 1/2" | V-Belt Assembly | Steel |
| 5950 | 98mm | 3-7/8" | n/a | n/a | 13mm | 1/2" | V-Belt Assembly | Steel |
| 5951 | 95mm | 3-3/4" | n/a | n/a | 13mm | 1/2" | V-Belt Assembly | Steel |
| 5954 | 90mm | 3-9/16" | 12mm | .47" | 9.53mm | 3/8" | V-Belt | Steel |
| 5955 | 100mm | 4" | 17mm | .67" | 13mm | 1/2" | V-Belt | Steel |
| 5959 | 77.5mm | 3-1/16" | 17mm | .67" | 27mm | 1-1/16" | Lipped Back Idler | Steel |
| 5964 | 84mm | 3-5/16" | n/a | n/a | 26mm | 1" | Back Idler Assembly | Steel |
| 5968 | 100mm | 4" | 17mm | .67" | 26mm | 1" | Back Idler | Idler |
| 5969 | 82mm | 3-1/4" | 17mm | .67" | 26mm | 1" | Back Idler | Plastic |
| 5970 | 90mm | 3-9/16" | 17mm | .67" | 26mm | 1" | Lipped Back Idler | Plastic |
| 5971 | 76mm | 3" | 17mm | .67" | 22mm | 7/8" | 6 Groove | Plastic |
| 5972 | 76mm | 3" | 17mm | .67" | 26mm | 1" | Back Idler | Plastic |
| 5973 | 90mm | 3-9/16" | 17mm | .67" | 26mm | 1" | Back Idler | Plastic |
| 5974 | 76mm | 3" | 17mm | .67" | 27mm | 1-1/4" | Lipped Back Idler | Plastic |
| 5975 | 90mm | 3-9/16" | 17mm | .67" | 26mm | 1" | Back Idler | Steel |
| 5976 | 90mm | 3-9/16" | 17mm | .67' | 28.5mm | 1-1/8" | 6 Groove | Plastic |
| 5977 | 90mm | 3-9/16" | 17mm | .67' | 28.5mm | 1-1/8" | 6 Groove | Plastic |
| 5978 | 125mm | 5-3/16" | 17mm | .67" | 24mm | 15/16" | 6 Groove | Plastic |
| 5979 | 76mm | 3" | 17mm | .67" | 32mm | 1-1/4" | Back Idler | Steel |
| 5980 | 76mm | 3" | 17mm | .67" | 26mm | 1" | 7 Groove | Plastic |
| 5981 | 76mm | 3" | 17mm | .67" | 32mm | 1-1/4" | Back Idler | Plastic |
| 5982 | 90mm | 3-9/16" | 17mm | .67" | 15mm | 5/8" | 4 Groove | Plastic |
| 5991 | 76mm | 3" | 17mm | .67" | 22mm | 7/8" | 6 Groove | Steel |
| 5992 | 89mm | 3-1/2" | 17mm | .67" | 19mm | 3/4" | Back Idler | Steel |
- Fan Clutches & Fan Blades
- Transmission & Engine Oil Coolers
- Electric Fans
- Belt Tensioner Assemblies
- Idler & Belt Tensioner Pulleys
- Warranty
Products
- The Dawg
- Performance Electric Fans
- High Flow Electric Fans
- New Fan Clutches
- Radiator Mist System
New Products
- Installation Tips
- Tutorials
- Instruction Sheets
- FAQs
Installation
- SEMA
Las Vegas, NV
October 31st – November 3rd - Performance Racing Industry (PRI)
Orlando, FL
December 14th -16th