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Reinforcement Bar Tube, Rear. Porsche 964 ❭ 96450501800
- 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
Ensure the structural integrity of your Porsche 964’s rear bumper assembly with this direct-fit reinforcement bar tube. Designed specifically for 1989-1994 964 models (Carrera 2, Carrera 4, Turbo) Whether you are restoring the vehicle, repairing rear-end damage or updating the body shell structure, this reinforcement tube is a key component in maintaining correct alignment, impact support and overall chassis safety.
Sold Each.
x2 Required Per Car.
Fits:
- 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
Diagram Ref No 7
What This Product Does:
- The reinforcement bar tube sits behind the rear bumper cover and acts as a structural “crash beam” or impact absorber. Its function is to distribute and absorb energy in the event of a rear impact, protecting the bumper cover, rear bodywork and chassis mounting points.
- It also provides structural support to the rear bumper assembly, helping maintain correct alignment and mount positioning of the bumper. For older cars, correct mount and alignment helps reduce looseness or mis-fit in the rear bumper.
- By being in good condition (straight, undamaged, properly mounted), it contributes to the integrity of the rear body shell, ensuring panel fitment, bumper alignment, and the proper load path in case of a collision.
- Essentially: it’s a safety and structure component — not just cosmetic — and is especially important in restorations, body repairs, and when ensuring the car meets structural integrity standards.
Signs Of Wear / Damage & When To Replace:
- The rear bumper appears mis-aligned, sagging, or sits unevenly relative to body panels — indicating the support tube might be bent or mounting points damaged.
- Visible damage: the tube is bent, dented, corroded severely, showing cracks or fatigue — this compromises its ability to absorb impact and maintain structure.
- After a rear-end collision or bumper impact, even if cosmetic damage seems minimal — the reinforcement tube may have absorbed energy or deformed; replacing it restores safety and alignment.
- Rust or corrosion causing weakening of the tube or its mounting brackets—on cars approaching decades of use (964 is now over 30 years old) this is a valid concern.
- Increased looseness of the rear bumper or rear body shell components, or rattles/loose mounts behind the bumper — the reinforcement tube might not be holding the structure rigidly.
Why Replacement Matters:
- Safety and Crash Performance: Even if you never have a significant rear impact, the reinforcement tube is part of the safety system. A deformed or compromised tube will not perform as intended in an accident, risking more damage or injury.
- Panel Alignment & Fitment: For restoration or high-quality build work, ensuring the rear bumper and body panels mount correctly requires the reinforcement tube to be straight and correct.
- Resale & Condition: A 964 with proper structural components (including undamaged crash beams) is more desirable; replacing a worn/damaged tube helps maintain value.
- Repair Foundation: After any rear damage, replacing or straightening this tube provides a solid foundation before mounting bumper shells, diffusers or other external parts.
- Longevity: With age, even non-crash cars can have tubes that are weakened, corroded or mis-mounted; proactively replacing it ensures the structure remains sound for another several decades.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96450501800
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
FRONT or REAR

Fits:
Porsche 986 Boxster 1997-04 FRONT & REAR
Porsche 996 1998-05 FRONT & REAR
Porsche 987 MKI Boxster 2004-08 REAR
Porsche 987 MKII Boxster 2009>> REAR
Porsche 987C Cayman 2005-08 REAR
Porsche 987C MKII Cayman 2009>> REAR
Porsche 997 MKI 2005-08 REAR
Porsche 997 MKII 2009>> REAR
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99650501901
The product you are viewing cross references to these numbers
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
Fits:
Porsche 997.1 Carrera 2005-08
Porsche 997.2 Carrera 2009-12
Porsche 997 GT3 2007-09
Click 'Zoom in' for large parts diagram.
Diagram ref no 14.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99750563900
The product you are viewing cross references to these numbers
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12

Fits:
Porsche 997.2 Sports Classic / Speedster 2009-12
Click 'Zoom in' for large parts diagram.
Diagram ref no 19
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99750563
The product you are viewing cross references to these numbers
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