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Porsche > 911 & 912 (1965-1989) > Chassis / Bodywork > Bumpers Rear >

Reinforcement bar / Carrier

Reinforcement bar / Carrier

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DISPLAYING 1 to 6 (of 6 products)
Rear bumper bracket tubes & fittings. Porsche 911 1974-89 - 91150504603 - PR14003P, 1684250600, 911289
2
Rear bumper bracket tubes & fittings. Porsche 911 1974-89
91150504603/1KIT
Product Information
Product Information
Rear bumper bracket tubes & fittings. SET OF 2

Fits:
Porsche 911 1974-89
Porsche 930 3.0L / 3.3L 1975-89

Diagram ref no 29, 30 , 31, 27, 26, 32, 33, 34, 35

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Related, superseded, cross reference or alternative numbers for comparison.

91150504603
91150504603

The product you are viewing cross references to these numbers
Rear bumper bracket tube. Porsche 911 1974-89 - 91150504603, 911289
2
Rear bumper bracket tube. Porsche 911 1974-89
Special Order item
91150504603
Product Information
Product Information
Rear bumper bracket tube. Price is for each.

porsche

Fits:
Porsche 911 1974-89
Porsche 930 3.0L / 3.3L 1975-89

Click 'Zoom in' for large parts diagram.
Diagram ref no 27.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91150504603
91150504603
911289

The product you are viewing cross references to these numbers
Rear bumper bracket tube. Porsche 911 1974-89 - 91150504603 - PR14003P, 1684250600, 911289
2
Rear bumper bracket tube. Porsche 911 1974-89
91150504603/1
Product Information
Product Information
Rear bumper bracket tube
This OE Match Rear Bumper Bracket Tube (also known as a bumper impact tube) is a structural mounting component designed for classic Porsche 911 models. It supports and positions the rear bumper assembly on the vehicle.
Sold individually, two required per vehicle for a complete installation.

Fits:
Porsche 911 1974 - 1989
Porsche 930 3.0L / 3.3L 1975 - 1989

Diagram ref no 27

The bumper bracket tube secures the rear bumper to the vehicle body while providing a degree of shock absorption in low-speed impacts. It ensures the bumper remains correctly aligned and properly spaced from the chassis.

Without this component, the bumper cannot be securely mounted, affecting both safety and vehicle appearance.

Function
• Supports and mounts the rear bumper to the chassis
• Maintains correct bumper alignment and spacing
• Absorbs minor impact forces
• Provides structural integrity to the bumper assembly

This component is essential for both functional safety and maintaining the original look of the vehicle.

Over time, bumper tubes can corrode, bend, or weaken due to age, environmental exposure, or minor impacts. Damaged tubes can lead to misaligned bumpers, poor fitment, and reduced structural support. Replacing worn or damaged bumper tubes ensures proper bumper positioning, restores original appearance, and maintains safety standards - especially important for restoration projects and classic Porsche maintenance.

When to replace:
•  Visible corrosion or rust on the tube
•  Bent or deformed bumper mounting points
•  Loose or misaligned rear bumper
•  During restoration, repainting, or bumper removal
•  After minor rear-end impacts

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91150504603
91150504603

The product you are viewing cross references to these numbers
Reinforcement bar tube gasket. Porsche 911 1974-89 - 91150531100, 8170-1
3
Reinforcement bar tube gasket. Porsche 911 1974-89
Special Order item
91150531100
Product Information
Product Information
Reinforcement bar tube gasket.
Front or Rear

Fits:
Porsche 911 1974-89

Diagram ref no 22 (front) / 26 (rear)

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91150531100
91150531100
8170-1

The product you are viewing cross references to these numbers
Reinforcement bar tube gasket. Porsche 911 1974-89 - 91150531100 - 9000-03120, 8170-1, 1685000500
4
Reinforcement bar tube gasket. Porsche 911 1974-89
91150531100/1
Product Information
Product Information
Reinforcement bar tube gasket.
Front or Rear

Fits:
Porsche 911 1974-89

Diagram ref no 22 (front) / 26 (rear)

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91150531100
91150531100

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Reinforcement bar tube rubber ring. Porsche 911 1974-89 FRONT OR REAR - 91150522100
3
Reinforcement bar tube rubber ring. Porsche 911 1974-89 FRONT OR REAR
Special Order item
91150522100
Product Information
Product Information
Reinforcement bar tube rubber ring, Front or Rear.

porsche

Fits:
Porsche 911 1974-89
Porsche 930 3.0L / 3.3L 1974-89

Click 'Zoom in' for large parts diagram.
Diagram ref no 18.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91150522100
91150522100

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DISPLAYING 1 to 6 (of 6 products)
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About Reinforcement bar / Carrier

Maintain your Porsche’s safety, structure, and precision alignment with rear bumper reinforcement bars and carriers from Design911. These key structural components sit behind the rear bumper cover and are designed to absorb impact energy, protect the chassis, and support the bumper assembly. Manufactured to OEM specifications, our reinforcement bars ( also known as crash bars) and carriers deliver factory-quality strength, corrosion resistance, and fitment accuracy. Whether you’re repairing collision damage, performing a restoration, or upgrading your Porsche’s body rigidity, Design911 offers a complete selection of reinforcement beams and mounting carriers to keep your vehicle safe and structurally sound.

Rear Bumper Reinforcement Bars (Crash Beams)
High-strength steel and aluminium reinforcement bars designed to absorb impact and protect your Porsche’s frame during collisions or heavy contact.

Rear Bumper Carriers & Mounting Frames
OEM and replacement carriers that provide rigid structural support for the rear bumper assembly, ensuring perfect fitment and alignment.

Classic Porsche Reinforcement Bars
Authentic reproduction crash beams and carriers for heritage Porsche models like the 911 Classic, 930, and 964 — ideal for accurate restorations.

Lightweight Aluminium & Performance Beams
Upgraded lightweight reinforcement bars offering the same strength as steel while reducing overall weight — ideal for performance and motorsport builds.

Mounting Brackets & Fixing Hardware
Complete sets of brackets, bolts, and spacers designed for quick and secure installation of Porsche rear bumper carriers and support beams.

Rear Bumper Crash Absorbers
Complementary foam and energy-absorbing elements that work with reinforcement bars to disperse impact forces and maintain crash safety.

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