0044302301 Metelli Brake Master Cylinder
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Metelli Brake Master Cylinder | 0044302301

Mercedes 380SL, 300DT, 450SL, 300SD, 240D, 300TDT, 300D, 450SLC, 300CDT, 280SE & more
$45.99
Reg
$47.91
List
$338.00
In Stock Status
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Leaves warehouse within 1-2 business days.

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Make Sure It Fits

P/N: 0044302301 Metelli
Description:
1 per car.
Cross References:
  • 050138
  • PMK113

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 Mercedes, 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 Mercedes 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 10 additional part(s) that are frequently viewed together.

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What This Metelli 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.

Mercedes
78-78 - 230
For models with chassis serial number from 075023.
80-83 - 240D
78-79 - 240D
For models with chassis serial number from 054825.
80-81 - 280CE
78-79 - 280CE
For models with chassis serial number from 005606.
80-81 - 280E
78-79 - 280E
For models with chassis serial number from 034494.
80-80 - 280SE
78-79 - 280SE
For models with chassis serial number from 102574.
80-81 - 300CD
78-79 - 300CD
For models with chassis serial number from 000579.
82-85 - 300CDT
80-81 - 300D
78-79 - 300D
For models with chassis serial number from 069366.
82-85 - 300DT
78-80 - 300SD
81-83 - 300SD
For models with chassis serial number through 050789.
79-81 - 300TD
82-85 - 300TDT