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Autodoc£77.53Visit shop BREMBO Brake disc OPEL,FIAT,ALFA ROMEO 09.4939.2X 164102202300,46445006,46776742 Brake rotor,Brake discs,Brake rotors 6001073198,60551775,60569163
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This guide is for vehicle owners seeking enhanced braking performance and durability, particularly for models compatible with Brembo's XTRA LINE. The key benefit is improved wet weather braking, increased heat dissipation, and better pad cleaning due to its drilled design. A caveat is that this disc is designed for specific vehicle types and brake systems, requiring careful compatibility checks.
| Model Part Number | 0949392X |
|---|---|
| Brand | Brembo |
Drilled brake discs, like the Brembo 09.4939.2X, offer improved performance in wet conditions by clearing water and enhance heat dissipation to prevent brake fade during heavy use.
The box contains two discs, typically for one axle (Front Axle in this case). For a complete vehicle brake job, you may need to order a second set if applicable to your vehicle's configuration.
'OE equivalent' means the brake disc is manufactured to meet or exceed the specifications of the original equipment (OE) part supplied by the vehicle manufacturer, ensuring a comparable fit and performance.
A typical bedding-in process involves a series of moderate stops from around 40-60 mph down to 10-20 mph without coming to a complete halt, followed by a period of cooling. Consult your mechanic or the pad manufacturer's instructions for specific details.
While designed for optimal performance with Brembo Xtra Pads, they are generally compatible with most quality brake pads. However, using pads recommended by Brembo or the vehicle manufacturer is advised for best results.
The minimum thickness specified for the Brembo 09.4939.2X brake disc is 20.5 mm. Discs should be replaced if they reach or fall below this measurement.
The UV coating provides protection against corrosion and helps maintain the appearance of the brake disc. It is a beneficial feature for longevity and aesthetics.
This can be caused by uneven pad material transfer, rotor warping, or improper installation. Ensure proper break-in procedure is followed and check for even pad deposits. Verify correct torque settings.
Drilled discs can sometimes produce more noise than solid discs. Ensure pads are compatible and bedding-in is complete. Check for any foreign debris caught between the pad and disc.
Check brake pad condition and fluid level. Ensure the disc surface is clean and free from contaminants. Overheating can also reduce effectiveness; ensure cooling is adequate for driving conditions.
Surface rust can appear after exposure to moisture, especially on coated discs. This is normal and typically wears off after initial braking. If deep rust or pitting occurs, inspect for damage.
Compatibility:
Before purchasing, verify that this brake disc (Brembo 09.4939.2X) is compatible with your specific vehicle. Check the Fitting Position (Front Axle), Construction Year (from 10/2015, 06/2002), Brake System (TRW), and Vehicle Type (e.g., J42, Kasten/Kombi). Specific compatible models include OPEL COMBO, FIAT DOBLO, FIORINO, ALFA ROMEO 147, 156, GT, SPIDER, GTV, and LANCIA THEMA SW. Ensure your vehicle is not equipped with a sports package if this is specified as a requirement. The Rims type (for light alloy rims) should also be confirmed.
Installation:
Professional installation by a qualified mechanic is highly recommended. Ensure the correct Tightening Torque of 98 Nm is applied. The disc comes with fixing screws and is designed as an OE equivalent.
Care:
Regularly inspect brake discs for signs of wear, damage, or warping. Clean with a brake cleaner if necessary, avoiding excessive water or harsh chemicals. Ensure brake pads are also in good condition and compatible with the disc surface.
