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TRW/Lucas-Girling Brake Master Cylinder | 34311165543

BMW 528i, 530i, 525i, 540i, 740iL, 740i, 525i Sport Wagon, 750iL, 528iT, 540iT
$123.99
Reg
$129.16
List
$574.86
In Stock Status
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Leaves warehouse within 1-2 business days.
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Make Sure It Fits

P/N: 34311165543 TRW/Lucas-Girling OEM FREE SHIPPING
Description:
For models without DSC (Dynamic Stability Control). 1 per car.
Cross References:
  • PML363
  • W01331601087

The master cylinder is a hydraulic cylinder that uses hydraulic pressure to transfer force to operate another hydraulic cylinder. In automobiles, master cylinders operate both braking and clutches for manual transmissions. Master cylinders are located in the engine compartment and are mounted to the vehicle firewall or on a vacuum booster on vehicles with power-assisted brakes. The master cylinder operates using a pushrod that connects the master cylinder to a pedal in the passenger compartment through the vehicle firewall.

Master cylinders fail when the seals in the cylinder leak, preventing the master cylinder from building pressure and replacing the hydraulic fluid with air.

Signs of Faulty Master Cylinders
  • A soft squishy control pedal
  • A control pedal that goes straight to the floor of the vehicle
  • A pedal that you must pump to operate the hydraulic system
  • Clear or brown fluid dripping from the master cylinder

When replacing a master cylinder in your BMW, you must bleed the whole hydraulic system to be free of air. This is because the air in a hydraulic system is compressible, unlike the hydraulic fluid, making the hydraulic system unresponsive.

View more BMW Master Cylinders.

Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

Frequently Viewed Together

We found 1 additional part(s) that are frequently viewed together.

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What This TRW/Lucas-Girling Brake Master Cylinder Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

BMW
01-03 - 525i
01-03 - 525i Sport Wagon
99-00 - 528i
97-98 - 528i
For models with production date from 9/1997.
99-00 - 528iT
01-03 - 530i
97-99 - 540i
For models with production date from 9/1997 through 8/1998.
00-00 - 540iT
w/o DSC; Manufacturer Body Code: E39
97-98 - 740i
For models with production date from 9/1997 through 8/1998.
97-98 - 740iL
For models with production date from 9/1997 through 8/1998.
97-98 - 750iL
For models with production date from 9/1997 through 8/1998.