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Rear Section
- 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
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Related, superseded, cross reference or alternative numbers for comparison.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
This kit is comprised of the following items:
- 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Related, superseded, cross reference or alternative numbers for comparison.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
This kit is comprised of the following items:
- 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Related, superseded, cross reference or alternative numbers for comparison.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
This kit is comprised of the following items:
- 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Related, superseded, cross reference or alternative numbers for comparison.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
This kit is comprised of the following items:
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356 - 356C
Part highlighted in green on diagram.
Click 'Zoom in' for diagram.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450306
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
Part highlighted in green on diagram.
Click 'Zoom in' for diagram.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450306
The product you are viewing cross references to these numbers
- Porsche 356B 1959-63
- Porsche 356C 1963-65
B-Post Pillar Plate – Left and Right
High-quality B-post pillar plates designed for Porsche 356 T5 and T6 Roadster and Cabriolet models (1960–1965).
Positioned directly behind the door lock post, these panels
form a critical part of the body structure, reinforcing the B-pillar area and
supporting proper door alignment and structural rigidity.
Fits:
- Porsche 356B 1960-63 - (Roadster and Cabriolet)
- Porsche 356C 1963-65 - (Roadster and Cabriolet)
Diagram ref no 4
These sections are highly prone to corrosion in classic 356 models, making them essential components for rust repair and accurate restoration work. Replacing this area restores both strength and originality to the vehicle body.
Manufactured to OEM-style specifications, these repair panels ensure precise fitment and are suitable for professional body restoration projects. Supplied individually (left or right).
Key Features
• B-post pillar repair plates (left & right available)
• Part numbers 64450206545 (left) / 64450206645 (right)
• Suitable for Porsche 356 T5 / T6 Roadster & Cabriolet (1960–65)
• Located behind the door lock post
• Designed for rust repair and restoration
• Restores structural integrity and panel alignment
• OEM-style fit and profile
• High-quality reproduction panel
• Sold individually
Function and Purpose
These panels are critical structural components.
They help to:
• Reinforce the B-pillar structure
• Support correct door alignment and closure
• Restore strength behind the door lock post
• Replace rusted or weakened metal sections
• Maintain overall body integrity
Why Replace B-Post Panels
The B-post area is a known rust-prone zone in Porsche 356 models.
Common issues include:
• Corrosion behind the door lock post
• Weakening of structural pillar sections
• Poor door alignment or sagging
• Water ingress and rust spreading
Replacing these panels is essential for safe and accurate restoration.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450206
The product you are viewing cross references to these numbers
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Lower rear panel with louvres and holes for exhaust pipes. Exactly according to the original Porsche design
Fits:
Porsche 356 B/C 1.6L 01/1959-12/1965
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64454104
The product you are viewing cross references to these numbers
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356B / 356C 1959-65
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64454104
The product you are viewing cross references to these numbers
- Porsche 356B 1959-63
Fits:
Porsche 356B T5 - 1959 to 1962
Diagram ref no 11
Related reference numbers
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64450107206
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 27
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450474
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
Part of diagram ref no 7
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450108200
The product you are viewing cross references to these numbers
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356B / 356C
Part highlighted in green on diagram.
Click 'Zoom in' for diagram.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450108107
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 356A - 1956 to 1957
and all cars fitted with the Carrera engine
Diagram ref no 7
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450108200
The product you are viewing cross references to these numbers
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356B
Porsche 356C
Diagram ref no 8
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450114
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356A - 1955 to 1959
Porsche 356B - 1959 to 1963
Porsche 356C - 1963 to 1965
Repair panel for diagram ref no 3 and 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64450303
The product you are viewing cross references to these numbers
Bring your Porsche back to life with rear section restoration and chassis repair panels from Design911. Our extensive selection of OEM-quality and precision-engineered body panels includes rear crossmembers, floor sections, engine mounts, and bumper supports designed to fit both classic and modern Porsche models perfectly. Each component restores factory strength, alignment, and safety, ensuring structural integrity and authenticity during repairs or restorations. Whether you’re rebuilding a vintage 911, repairing a Cayman, or restoring a 356, Design911 supplies the high-quality parts trusted by Porsche workshops and restoration specialists worldwide.
Rear Crossmembers & Support Panels
Factory-spec rear chassis crossmembers and support beams
providing rigidity and accurate alignment for Porsche rear-end restoration.
Rear Floor & Trunk Panels
OEM-quality floor sections and rear trunk repair panels
designed to restore underbody strength and durability. Perfect for corrosion or
accident damage repairs.
Engine Bay & Mounting Panels
Precision-engineered Porsche engine bay panels, mounts, and
brackets ensuring correct engine alignment and secure fitment.
Rear Valances & Tail Panels
Replacement Porsche rear valances and tail panels built to
OEM specifications. Restore your car’s original contours and aesthetic appeal.
Bumper Mounts & Reinforcement Bars
High-strength rear bumper mounts and reinforcement
structures designed to maintain impact resistance and rear-end integrity.
Classic Porsche Restoration Panels
Authentic reproduction panels for heritage Porsche models
such as the 356, 911 Classic, 912, and 964. Perfect for concours-level
restorations.
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