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| Manufacturer | Model | Version | Engine code | Construction type | Construction start | Construction end | Pk | Power kw |
 OPEL |
| Manufacturer | Productnumber |
| OPEL | 5 42 290 , 542290 |
| OPEL | 55 42 063 , 5542063 |
| OPEL | 55 42 454 , 5542454 |
| OPEL | 90544003 |
| OPEL | 93173240 |
| OPEL | 93184518 |
| VAUXHALL | 55 42 063 , 5542063 |
| VAUXHALL | 55 42 454 , 5542454 |
| VAUXHALL | 90544003 |
| VAUXHALL | 93173240 |
| VAUXHALL | 93184518 |
| VAUXHALL | R1740071 |
| CHEVROLET | 90 544 003 , 90544003 |
| HOLDEN | 90 544 003 , 90544003 |
| Usage numbers |
| CR574 |
A brake caliper is a vital component of the disc braking system. It houses the brake pistons and pads, and its main function is to apply hydraulic pressure to the brake pads, pressing them against the brake disc (rotor). This friction slows down or stops the vehicle. Without a properly functioning caliper, braking performance and safety are compromised.
There are mainly two types of brake calipers:
Floating (Sliding) Caliper: Moves laterally on guide pins; commonly used in most vehicles.
Fixed Caliper: Bolted in place with pistons on both sides of the rotor; found in performance and heavy-duty vehicles.
The choice depends on the vehicle’s braking system design and performance requirements.
Typical symptoms include:
Uneven or rapid brake pad wear
Vehicle pulling to one side during braking
Brake fluid leaks near the wheel area
Soft or spongy brake pedal
Burning smell or high heat from a sticking caliper
Reduced braking efficiency or dragging noise after releasing the pedal
If any of these signs appear, the caliper should be inspected or replaced immediately.
To ensure proper fitment, verify the following details before purchase:
OEM part number
Vehicle make, model, year, and engine type
Axle position (front or rear)
Piston size and count (e.g., single, twin, or four-piston)
Brake system type (e.g., ATE, Bosch, TRW, Brembo)
If uncertain, contact us with your VIN or chassis number for compatibility confirmation.
While not always required, it’s highly recommended to replace calipers in pairs (left and right) on the same axle. This ensures balanced braking pressure, even pad wear, and consistent braking performance. When replacing a caliper, it’s also good practice to inspect and replace brake pads, rotors, and brake fluid if needed.
Yes. We supply original quality and premium aftermarket brake calipers built to OEM standards. Each unit undergoes pressure testing, leak inspection, and piston movement checks before shipment. All calipers come ready-to-install, pre-fitted with bleeder valves and mounting brackets (where applicable), and include a warranty for performance and reliability.
Brake Caliper
Partxl proudly delivers the most extensive range of Bosch automotive products across the GCC region. As a trusted supplier for garages, wholesalers, and car enthusiasts, we stock both original equipment (OE) and high-quality aftermarket Bosch parts to meet all your vehicle maintenance and repair needs. Whether you're looking for Bosch fuel injectors, sensors, spark plugs, filters, braking systems, alternators, or diagnostic tools, Partxl has you covered with one of the widest selections available.
Thanks to our central warehouse located in Al Quoz 3, Dubai, and a strong network of suppliers, we ensure fast, reliable delivery—same-day or next-day across the UAE and within 3 days to the wider GCC. Our clients benefit from a seamless shopping experience, advanced part search options by VIN, engine code, or OEM number, and expert support to find the perfect fit for any vehicle. Whether you're servicing European, Asian, or American vehicles, trust Partxl to deliver Bosch quality with speed and precision.
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