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 | Steering Components |
|---|---|
| Category Name | King Pin Kits |
| Part Type | King Pin Kit |
| Alternate Part Name | Front Axle King Pin Kit, King Pin Set, Kingpin Kit, Steering King Pin Set |
| OEM Part Number | 301SQ53 |
Application/Fitment Attributes1 attribute
| Application Type | Semi-Trucks, Heavy Duty Trucks |
|---|
Dimensional/Physical Attributes12 attributes
| Material | Hardened Steel |
|---|---|
| Bearing Inside Diameter | 1.575 in. |
| Bearing Outside Diameter | 3.543 in. |
| Bearing Overall Width | 1.535 in. |
| Bushing Material | Bi-Metal |
| Bushing Type | Composite |
| King Pin Diameter | 2.441 in. |
| King Pin Length | 8.920 in. |
| King Pin Type | Tapered & Threaded Draw |
| Tapered King Pin Large Diameter | 2.362 in. |
| Tapered King Pin Small Diameter | 1.574 in. |
| Thread Size | M40 x 1.5 in. |
Packaging / Logistics Attributes:1 attribute
| Net Weight | 21.74 lb. |
|---|
Bill Of Material
- 2 Upper Thrust Bearing
- 2 King Pin
- 2 Upper cap Assembly
- 2 Lower Pin Cap
- 2 Nut
- 2 Lower Bushing
- 2 Seal
- 2 Lower Seal
Intended Application
- Compatible with Volvo and Mack Front steer axle assembly for heavy duty trucks with 12,000–14,600 lb axle capacity specifically with axle models FXL12 / FXL14.6
- Mack: 301SQ53
- Meritor: R201338
