Optimize the performance of your Mack truck with the Fortpro Trunnion Nut, a high-quality replacement for OEM 25QJ223. Manufactured from hardened steel and designed for extreme conditions, this Trunnion Nut ensures a perfect connection and optimal weight distribution. With its corrosion-resistant coating and easy maintenance, it guarantees the longevity of your suspension and the safety of each trip.
Fortpro is a trusted leader in the development and manufacturing of premium-quality truck parts designed to meet the demands of semi-trucks and heavy-duty trucks. Renowned for innovation, durability, and reliability, Fortpro products are engineered to enhance performance, safety, and efficiency across a wide range of trucking applications.
Whether you're seeking OEM replacement parts or upgrades, Fortpro provides a diverse selection of components backed by a global reputation for quality and innovation. Trust Fortpro for the parts you need to keep your vehicles on the road longer and stronger.
Basic Part Information5 attributes
| Product Line | Suspension |
|---|---|
| Category Name | Trunnions & Components |
| Part Type | Trunnion Nut |
| Alternate Part Name | Trunnion Nut |
| OEM Part Number | 25QJ223 |
Application/Fitment Attributes3 attributes
| Application Type | Heavy Duty Trucks, Semi-Trucks |
|---|---|
| Mounting Hole Size | 13/32 in. |
| Outside Diameter (O.D.) | 5-1/8 in. |
Dimensional/Physical Attributes2 attributes
| Thickness | 1-1/16 in. |
|---|---|
| Thread Size | 3-5/16-12 UNF |
Packaging / Logistics Attributes:4 attributes
| Package Length | 5.00 in. |
|---|---|
| Package Width | 2.00 in. |
| Package Height | 5.00 in. |
| Net Weight | 1.58 lb. |
Intended Application
- Compatible with Mack 4 in. Spring Rear Suspension Systems (SS44 and SWS57) and Mack Walking Beam Suspension Systems (SW and SWW Series Trucks).
- Always compare with your OEM part number prior to purchase to confirm full compatibility.
- Mack: 25QJ223
- PAI: FNU-4745, EM47450