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Brake Hose - TRW - PHB177

Brake Hose - TRW - PHB177

This TRW Brake Hose (part number PHB177) is designed for reliable performance in your vehicle's hy...

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eBayLeft TRW-OE PHB177 Brake Hose for BMW,BMW (BRILLIANCE)
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£8.84
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AutodocTRW Brake Hose BMW PHB177 1154327,1154904,1159890 Brake Line,Brake Pipe 34321154327,34321154904,34321159890,13292910
£8.45 delivery
£11.59
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Product Information

Full details

The TRW Brake Hose (PHB177) is designed for automotive technicians and DIY mechanics seeking a reliable replacement component for their vehicle's hydraulic braking system. This hose provides a secure, leak-resistant connection essential for consistent brake pressure, though users must strictly verify vehicle-specific compatibility before purchase to ensure the thread pitch and length match their original equipment specifications.

All features

Model Part NumberPHB177
BrandTRW

Extended Product Information

FAQs

What is the thread size of this hose?

This hose features M10x1 threads on both ends.

Does this part come with new crush washers?

It is recommended to source new copper crush washers if your specific installation requires them, as they are not always included.

How do I know if this fits my car?

Compare the part number PHB177 with your vehicle's original part number or consult a parts catalog based on your VIN.

Can I use this on any braking system?

No, it is only compatible with systems designed for M10x1 fittings and that require a 328 mm length hose.

Should I replace brake hoses in pairs?

Yes, it is best practice to replace brake hoses in pairs (left and right) to ensure even braking pressure and performance.

Troubleshooting

Spongy brake pedal after installation

Air is trapped in the line; perform a thorough brake bleeding procedure on all four wheels.

Leaking fluid at the connection point

Verify the flare nut is properly seated and tightened to the manufacturer's torque specification.

Hose appears twisted or kinked

Loosen the fittings slightly and rotate the hose to its neutral position before re-tightening.

Pros and Cons

Pros

  • High-quality construction ensures durability under high pressure
  • Standardized M10x1 threading simplifies the installation process
  • Precise 328 mm length reduces the risk of hose kinking or tension
  • Reliable hydraulic sealing prevents fluid loss

Cons

  • Requires specific vehicle compatibility verification
  • Does not include mounting brackets or clips
  • Requires professional-grade bleeding tools for installation

Setup, Compatibility & Care

To install, ensure the vehicle is safely supported on jack stands and the wheel assembly is removed. Begin by cleaning the area around the old hose connection to prevent debris from entering the hydraulic system. Use a flare nut wrench to loosen the existing brake line fittings to avoid rounding the bolt heads. After replacing the hose, you must perform a full brake fluid flush and system bleed to remove trapped air. Always inspect the hose periodically for signs of abrasions, chemical damage, or leaks. Compatibility must be confirmed by checking your vehicle's service manual or cross-referencing the PHB177 part number against your specific make and model year.

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