Brake duct 51747343803

Description

Brake duct by BMW, catalog number 51747343803. Confirmed catalog fitment: Bmw X5 F15, F85 (2013–2018). For an accurate match, compare the number and identification with the removed part and confirm the vehicle specification by VIN. The fitment list is a reference and does not replace a vehicle-specific compatibility check.

BRAKE DISC AIR DUCT / BRAKE COOLING DUCT

A brake disc air duct is a component of the brake cooling system designed to direct airflow toward the brake disc and caliper. It helps reduce brake temperature, prevents overheating, and improves braking performance under heavy load conditions.

The duct is typically installed in the front bumper area or wheel arch and channels air directly to the brake assembly. It works together with brake discs, calipers, dust shields, and suspension components to maintain optimal braking temperature.

A damaged brake duct may cause reduced brake cooling efficiency, disc overheating, accelerated pad wear, vibration during braking, or reduced braking performance during prolonged driving.

Our catalog includes brake cooling ducts for many vehicle brands. Available options include genuine factory brake cooling components, reliable aftermarket replacements, and tested used ducts without cracks or deformation. Left and right side units, versions for performance and standard braking systems, and configurations for different body styles are available.

Used parts are inspected for plastic integrity, mounting condition, absence of cracks, deformation, and signs of wheel contact.

Selection is available by VIN number, installation side, brake system type, part number, and vehicle year. Replacing a damaged brake duct restores effective brake cooling and stable braking performance.

Compatibility

Fits 1 vehicles

Nothing found

About the manufacturer · BMW

BMW is a German premium automotive brand and manufacturer of original vehicle components, with a history dating back to 1916. Today BMW Group is one of the world’s leading automotive manufacturers and a major developer o...

BMW is a German premium automotive brand and manufacturer of original vehicle components, with a history dating back to 1916. Today BMW Group is one of the world’s leading automotive manufacturers and a major developer of advanced engineering solutions for the automotive industry. Under the BMW brand a wide range of genuine spare parts and components is produced, including engine parts, suspension components, steering system elements, braking systems, transmission parts, electronic modules, cooling system components, body panels and various service and maintenance items. Genuine BMW parts are designed according to strict engineering standards established by the manufacturer and fully comply with the technical requirements of BMW vehicles. Production involves multi‑stage quality control and extensive testing for durability, reliability and safety. As a result, these components ensure precise fitment, optimal system performance and long vehicle service life. According to feedback from vehicle owners and automotive repair professionals, BMW genuine parts are highly valued for their excellent manufacturing quality, reliability and consistent performance even under demanding driving conditions. Users frequently highlight the precise fit, efficient operation of vehicle systems and preservation of factory performance characteristics. The most commonly mentioned drawback is the relatively high cost compared with many aftermarket alternatives, although many drivers consider the price justified due to the durability, safety and overall quality of the parts.

Additional information

Brake duct by BMW, catalog number 51747343803, is listed for vehicle repair or maintenance. The catalog identifies the item as “Brake duct”. Confirmed catalog fitment: Bmw X5 F15, F85 (2013–2018). Fitment is based on the catalog links between the part and vehicle bodies. It helps narrow the search, but final compatibility must be confirmed for the exact vehicle specification. The primary ordering references are part number 51747343803 and manufacturer BMW. Parts can differ within the same vehicle model by production year, engine, transmission, installation side, or position. Before purchase, compare the number and identification with the removed component and verify body, year, and specification by VIN. Also compare appearance, connectors, mountings, dimensions, and included items whenever those details are relevant to this part. For a reliable match, use the part number, photos of the removed component, and a VIN-based specification check.

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