Middle Section
Fits:
Porsche 356A - 1955 to 1959
Porsche 356B T5 - 1959 to 1962
Kit contains
1 x Front half floor pan section
1 x Rear half floor pan section
1 x Toe board mount, left
1 x Toe board mount, right
1 x Rocker panel, left
1 x Rocker panel, right
2 x Front seat mount pair
2 x Rear seat mount pair
2 x Jack receiver
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450100205
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63
Fits:
Porsche 356B T6 - 1962 to 1963
Kit contains
1 x Front half floor pan section
1 x Rear half floor pan section
1 x Toe board mount, left
1 x Toe board mount, right
1 x Rocker panel, left
1 x Rocker panel, right
2 x Front seat mount
2 x Rear seat mount
2 x Jack receiver
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450100205
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63
Fits:
Porsche 356A - 1955 to 1959
Porsche 356B T5 - 1959 to 1962
Kit contains
1 x Front half floor pan section
1 x Rear half floor pan section
1 x Toe board mount, left
1 x Toe board mount, right
2 x Front seat mount pair
2 x Rear seat mount pair
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450100205
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63
Fits:
Porsche 356B T6 - 1962 to 1963
Kit contains
1 x Front half floor pan section
1 x Rear half floor pan section
1 x Toe board mount, left
1 x Toe board mount, right
2 x Front seat mount
2 x Rear seat mount
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450100205
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63

Fits:
Porsche 356 B T5
Part highlighted in green on diagram.
Click 'Zoom in' for diagram.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450102
The product you are viewing cross references to these numbers
- Porsche 356B 1959-63

Fits:
Porsche 356 - 356C
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450304
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65


Fits:
Porsche 356- 356C
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450304
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Left or right. Please select below.

Fits:
Porsche 356 A / B 1.1-2.0L 01/1950-12/1964
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
16809004
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63
Fits:
Porsche 356B T5 - 1959 to 1962
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450107206
The product you are viewing cross references to these numbers
- Porsche 356B 1959-63
Fits:
Porsche 356 - 1950 to 1955
Porsche 356A - 1955 to 1959
Porsche 356B - 1959 to 1963
Porsche 356C - 1963 to 1965
Diagram ref no 7
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64453133
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356B T5 Roadster
Porsche 356B T5 / T6 Cabriolet
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450284
The product you are viewing cross references to these numbers
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356B - 1959 to 1963
Porsche 356C - 1963 to 1965
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64455203307
The product you are viewing cross references to these numbers
- Porsche 356B 1959-63
- Porsche 356C 1963-65

Fits:
Porsche 356BT6-C
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450102
The product you are viewing cross references to these numbers
- Porsche 356B 1959-63
- Porsche 356C 1963-65

Fits:
Porsche 356C, Coupe & 356 A T2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG53100
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356 Pre-A - 1950 to 1955
Porsche 356A - 1955 to 1959
Porsche 356B - 1959 to 1963
Diagram ref no 39
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
35649711
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63

Fits:
Porsche 356 A T2 Coupe 1.5-1.6 02/57-12/61
Porsche 356 B T5 Coupe 1.6 01/59-07/62
Part highlighted in green on diagram.
Click 'Zoom in' for diagram.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450204
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63
Rebuild your Porsche’s structure with middle section restoration and chassis repair panels from Design911. Our range of OEM-quality and precision-engineered panels includes centre floors, sills, seat mounts, and tunnel reinforcements for both classic and modern Porsche models. Each component is designed to maintain original strength, alignment, and authenticity — ensuring your restoration or repair meets factory standards. Whether you’re repairing corrosion, collision damage, or performing a full restoration on a 911, Cayman, or 356, Design911 provides the parts and expertise trusted by Porsche enthusiasts and professional restorers worldwide.
Centre Floor Panels & Sections
OEM-style middle floor panels designed for perfect fit and
rigidity. Restore your Porsche’s underbody structure with factory-grade
precision.
Inner & Outer Sills (Rocker Panels)
High-quality sill and rocker repair panels made to match
Porsche’s original design. Strengthen side structures and eliminate corrosion
damage.
Central Tunnel & Reinforcement Panels
Replacement central tunnel sections and reinforcements to
restore rigidity and protect fuel and brake lines within the chassis structure.
Seat Mounting & Support Panels
Accurate seat mounting panels and cross supports that
maintain interior fitment integrity and ensure safety during restoration.
Chassis Strengthening Kits
Comprehensive Porsche mid-section strengthening panels and
kits for classic and race applications, enhancing torsional rigidity and
longevity.
Classic Porsche Restoration Panels
Authentic mid-section repair panels for heritage Porsche
models such as the 356, 911 Classic, and 912. Designed for exact OEM
replication and concours-level restoration.