1. Product Description
The JP GROUP Steering shaft bush (8145651400) is a precision-manufactured column support component developed by JP Group, a Danish specialist highly regarded for original equipment quality classic and modern automotive components. This specialized bearing bushing supports and stabilizes the inner steering column shaft within its outer firewall bracket housing. By eliminating lateral free-play or axial wobbling of the column assembly, it restores sharp directional feedback, maintains safety margins, and damps internal cabin vibrations transmitted up from the steering gear assembly.
2. Product Specifications
- Manufacturer: JP GROUP
- Item Number: 8145651400
- Trade / Alternative Numbers: JP 8145651400
- EAN Number: 5710412351235
- Product Condition: New
- Fitting Position: Steering Column / Steering Shaft (Dashboard-to-Firewall installation)
- Material: High-density Engineering Polymer / Composite Rubber
- Inner Diameter [mm]: 18.0
- Outer Diameter [mm]: 28.0
- Height / Thickness [mm]: 25.0
- Weight [kg]: 0.02
3. Vehicle Compatibility
This structural steering shaft bushing provides exceptional restoration coverage for classic, rear-wheel-drive air-cooled and water-cooled Porsche passenger car platforms. It isolates steering assemblies built from the mid-1960s up to the late 1980s.
| Car Model | Compatible Engines | Engine Power (hp / kW) | Year of Manufacture |
|---|---|---|---|
| Porsche 911 Coupe / Targa / Cabriolet (Classic / 911 SC / Carrera) | 2.0, 2.2, 2.4, 2.7, 3.0 SC, 3.2 Carrera, 3.0 Turbo, 3.3 Turbo | 125 - 300 hp / 92 - 221 kW | 1963 - 1989 |
| Porsche 912 Coupe / Targa | 1.6, 2.0 (912 E) | 86 - 90 hp / 63 - 66 kW | 1965 - 1976 |
| Porsche 914 (914/4 / 914/6 Targa) | 1.7, 1.8, 2.0, 2.0 6-Cylinder | 80 - 110 hp / 59 - 81 kW | 1969 - 1976 |
| Porsche 930 Turbo | 3.0 Turbo, 3.3 Turbo | 260 - 300 hp / 191 - 221 kW | 1975 - 1989 |
4. Original Equipment Manufacturer (OEM) Reference Numbers Cross-Reference
This premium replacement steering sleeve layout interchanges with the following standard manufacturer factory catalog codes:
- PORSCHE: 644 347 731 01, 64434773101, 644 347 731 02, 64434773102, 914 347 731 00, 91434773100
- JP GROUP Alternative Reference: 1145651400 / 8145651400