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Middle Section

Fits:
Porsche 911 1966-89
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91150193
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)

Fits:
Porsche 911 08/1967-07/1989 LHD cars
Please note this part fits LHD cars straight away and RHD cars would require modification on pedal section
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91150105110DSK
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)

Fits:
Porsche 911 1966-89
Please note this part fits LHD cars straight away and RHD cars would require modification on pedal section
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91150193600GRV
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Rear Floor Pan Repair Section
Restore the structural integrity of your classic Porsche
with this Rear Floor Pan Repair Section. This high-quality repair panel is precision
manufactured to OE specifications, providing an accurate fit for professional
restorations, accident repairs and corrosion repairs.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
The rear floor pan forms an essential part of the Porsche 911 monocoque chassis, providing strength, rigidity and support for the vehicle's body structure. Over decades of exposure to moisture, road salt and trapped debris, the original floor pan can become weakened by corrosion, making timely replacement essential to preserve both safety and vehicle value.
Whether carrying out a full bare-shell restoration or repairing localised rust damage, this OE Match repair section provides the ideal solution for restoring the original strength and appearance of your Porsche 911 chassis.
What Does the Rear Floor Pan Do?
The rear floor pan is a structural body panel that contributes significantly to the strength and rigidity of the vehicle.
Its functions include:
- Providing structural support for the chassis.
- Maintaining body shell rigidity.
- Supporting interior floor components.
- Providing mounting strength for surrounding body panels.
- Helping maintain correct body alignment.
- Protecting the cabin from road debris and water ingress.
- Contributing to the vehicle's crash protection.
A solid, corrosion-free floor pan is essential for maintaining the structural integrity of every classic Porsche.
Why Replace the Rear Floor Pan Repair Section?
Rust is one of the most common issues affecting classic air-cooled Porsche 911 models, particularly where moisture becomes trapped beneath carpets, underseal or sound deadening materials.
Replacement is recommended when the floor pan has:
- Surface corrosion beyond repair.
- Rust perforation.
- Accident damage.
- Previous poor-quality repairs.
- Structural weakness.
- Distorted or weakened metal.
- Localised corrosion around seams or mounting points.
Replacing damaged metal rather than patching severely corroded areas helps restore the original strength and longevity of the body shell.
Common Signs Your Floor Pan Needs Repair
Typical indicators include:
- Visible rust holes.
- Soft or weakened floor sections.
- Damp carpets caused by water ingress.
- Corrosion around factory seams.
- MOT or roadworthiness failures.
- Flexing of the floor under load.
- Previous welded repairs showing signs of deterioration.
Replacing the affected section restores the vehicle's structural integrity and provides a sound foundation for further restoration work.
Benefits
Installing this OE Match Rear Floor Pan Repair Section
provides:
- Restores structural rigidity.
- Replaces rusted or damaged metal.
- Improves chassis strength.
- Provides factory-style fitment.
- Excellent panel alignment.
- Reduces fabrication time.
- Supports high-quality restoration work.
- Preserves the value and safety of your Porsche.
Installation Recommendations
Professional installation by an experienced body repair specialist is strongly recommended.
During installation it is advisable to inspect:
- Inner and outer sills.
- Front and rear floor sections.
- Seat mounting points.
- Torsion bar tube area.
- Jacking points.
- Longitudinal chassis members.
- Floor reinforcement panels.
- Underbody seam sealer.
- Corrosion protection coatings.
Following welding, the repaired area should be treated with weld-through primer where appropriate, seam sealer, cavity wax and high-quality corrosion protection to maximise long-term durability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91150105299
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)

Fits:
Porsche 911 66-89
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9115010519
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)

Fits:
Porsche 911 1965-89 LHD Cars
Click 'Zoom in' for large parts diagram.
Diagram ref no 20
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91150121302GRV
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911/912 - 1965 to 1989
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91150193700
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
For LHD Cars
Fits:
Porsche 911/912 1965-89
Diagram ref no 12.
Please note this is a special manufacture parts delivery time is approximately 2 - 3 weeks -/+
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91150280100
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
For LHD cars

Fits:
Porsche 911/912 1965-89
Click 'Zoom in' for large parts diagram.
Diagram ref no 12.
Please note this is a special manufacture parts delivery time is approximately 2 - 3 weeks -/+
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91150280000
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
PRODUCT IMPROVEMENT: New fresh tooling – New crisp pressings and no wrinkles.

Porsche 911 2.0L-3.3L 01/1963-07/1989
Porsche 964
Click 'Zoom in' for large parts diagram.
Diagram ref no 17.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91159101
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Sold individually.
Fits:
Porsche 911 1965-1972
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90152101600
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Upgraded stainless steel vs OEM carbon steel
Stainless steel will not rust and corrode commonly leading to the failure/replacement of this part
Fits:
Porsche 911 1969-1972
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90152101600
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

Fit:
Porsche 911 Coupe 2.0-3.3 01/63-07/89
Fits to part highlighted in green on diagram.
Click 'Zoom in' for diagram.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91150398701GRV
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits
Porsche 911 1965-1973
Click 'Zoom in' for large parts diagram.
Diagram ref no 24A
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
911501
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

Fits:
Porsche 911/912 (1965-89)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PP219TO
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits left and right
Fits:
Porsche 911 - 1965 to 1969
Porsche 912 - 1965 to 1969
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90157202121
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
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.