Outer Tie Rod Bellow Support. Porsche 911 / 912 / 914  ❭  90134705602

Outer Tie Rod Bellow Support.
Keep your Porsche’s steering system protected and precise with this Outer Tie Rod Bellow Support. This small but essential component supports and secures the tie rod bellow (rubber boot), ensuring a tight seal around the outer tie rod joint.
Sold Each.
x2 Required Per Car.

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 914 (1970-1976)
  
  

Diagram Ref No 2

What This Product Does:

• Protects the tie rod ball joint / linkage by ensuring the rubber bellow (boot) stays in the correct position, sealing out dirt, water, and grit that cause wear.
• Maintains steering durability: by keeping debris out, it helps preserve the life of tie rods, joints, and bushings.
  
• Stabilizes the boot shape so it doesn’t collapse, shift, or expose the joint under steering movement.
  
• Helps prevent premature wear of components linked to steering geometry, as a good seal reduces contamination and ensures consistent lubrication.

Symptoms & Signs Of A Failing / Missing Support:

• Torn or misaligned tie rod boot / bellow - The rubber boot may sag, shift, or pull away from its proper anchor point.
  
• Grease or lubricant loss / leakage - The joint may lose its grease or lubricant because the boot is not sealing properly.
  
• Contaminant ingress / accelerated wear - Dirt, dust, water, or grit may get into the joint, causing more rapid wear, noise, or looseness.
  
• Steering feel deterioration / looseness - Over time, the tie rod joint may become sloppy due to contamination or lubricant loss, leading to vague steering feel, play, or imprecision.
  
• Visible damage or missing piece - The support itself may be cracked, broken, or missing, leaving only the boot unsupported.
  
  

Why Replacement Matters:

• A missing or damaged bellow support can cause boot misalignment, grease leakage, and premature tie rod wear. Replacing it ensures the steering linkage remains clean, tight, and correctly sealed — preserving your Porsche’s handling precision and steering feel.  

Related reference numbers
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90134705602

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