Brake Caliper RIDEX 78B0389 OE Ref 93181405

Key Specification:
  • EAN: 4059191251643
  • Vehicle Equipment: for vehicles without sports package
  • OEM Reference number: 542478
  • Supplementary Info: without holder
  • Material: Aluminium
Sale
£ 68.00
£ 51.41 excl. VAT
In Stock
SKU:RIDEX 78B0389
BrandRIDEX
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EAN
4059191251643
Vehicle Equipment
for vehicles without sports package
OEM Reference number
542478
Supplementary Info
without holder
Material
Aluminium
Diameter [mm]
40
Fitting Position
Rear Right
Fitting Position
Behind the axle
Weight [kg]
1.934
Thread Size 1
M10x1
Brake Caliper Type
Brake Caliper (1 piston)
Brake Caliper Type
Brake Caliper with integrated parking brake
Mounting bores distance [mm]
144
Net Weight [kg]
1.56
for brake disc thickness [mm]
12
for brake disc diameter [mm]
278

Brake Caliper OE Ref 93181405 – RIDEX – OEM 542478

This part from RIDEX is designed as a direct replacement for OEM reference 542478. Manufactured to meet original equipment standards, it is suitable for selected OPEL, VAUXHALL vehicles and intended to restore correct system operation.

It is supplied under manufacturer reference 78B0389 with EAN EAN: 4059191251643, allowing accurate identification and compatibility checks. This component is commonly used to replace worn, damaged, or faulty units where reliable performance is required.

The product is intended as a like-for-like replacement and should be installed according to manufacturer guidelines. Depending on vehicle design and component location, professional installation may be recommended.

Why Choose This Part?

  • Direct replacement for OEM reference 542478
  • Manufactured by RIDEX
  • Clearly identified by SKU 78B0389 and EAN EAN: 4059191251643
  • Covered by our standard returns policy

Vehicle Compatibility

Compatible with selected OPEL, VAUXHALL models. Please confirm fitment using OEM reference 542478 or our vehicle registration lookup tool before ordering.

Looking for alternatives? Browse our full range of Braking System parts to find the correct option for your vehicle.

Reference number(s) comparable with the original spare part number
OE reference number(s) comparable with the original spare part number
  1. Berry
    12 Nov, 2025
    elderly car so really pleased that the part could be supplied :-) Correct part arrived swiftly - excellent - thank you
  2. Edward & Susan
    20 OCT, 2025
    These guys were real helpful when I was looking for an EGR valve. Great communications and fast delivery, the valve did exactly as It was meant to do and it was a lot cheaper than everywhere else I looked. I'll be using eAuto Parts again. Top banana.
  3. Charlie
    27 AUG, 2025
    eAuto Parts made me happy because it only took 2 minutes to order the part and at a very good price, also very quick delivery, will definitely deal with them again.
  4. Adam Taylor
    12 May, 2025
    Quick enquiry response, easy buying and quick delivery. Quality of goods was good and fitted with no problem (Suzuki bonnet hinges.) recommended.
  5. Helena Garcia
    2 January, 2025
    The correct part was rapidly identified and located, and was despatched promply to my chosen repairer in time for the work to be done on schedule. Very pleased with the service and will be using eAuto Parts again.