| Product Line | Suspension |
| Category Name | Chassis & Suspension |
| Part Type | Torque Arm Bush |
| Alternate Part Name | Torque Rob Bushing, Torque Rod Straddle Mount Heavy Duty Bushing, Torque Rob Bush |
| OEM Part Number | 666490002L |
| Application Type | Semi-Trucks, Heavy Duty Trucks |
| Bolt Hole Diameter | 5/8 in. |
| Mounting Position | Rear Suspension |
| Mounting Type | Straddle |
| Outside Diameter (O.D.) | 2-3/4in. |
| Material | Vulcanized Rubber, Steel Core |
| Distance Between Bolt Holes | 4-3/8 in. |
| Package Length | 5.00 in. |
| Package Width | 10.00 in. |
| Package Height | 5.00 in. |
| Net Weight | 5.86 lb. |
| Cross References | 321-132HD, 321132HD, 66649-0002L, 66649-002, 66649-002L, 666490002L, 66649002, 66649002L, 750073, E14641, H-66649-002L, H66649002L, R3014641, TRB6642 |
| Intended Application | - Compatible with multiple heavy-duty suspension systems, including Hendrickson AG100 Air Glide, RT 340–520, RS 340–520, PRIMAXX and HN400/460 configurations, as well as Air Trac platforms for single or tandem axles on Peterbilt trucks.
- Always compare with your OEM part number prior to purchase to confirm full compatibility.
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