BMW 11-28-5-A6A-939 Alternator Belt

( Manufacturer Part Number: 11-28-5-A6A-939 ), ( Part Type: Alternator Belt ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Parts Included: Only Part Reference 1 On The Diagram Is Included ), ( Replaces Part Number: 11-28-7-557-257 )

Review BMW Genuine Alternator Belt

The BMW 11-28-5-A6-A93-9 alternator belt is a vital component of your BMW's charging system. This belt is specifically designed to drive the alternator, which is responsible for generating electricity to recharge the battery and power the vehicle's electrical systems while the engine is running.

This alternator belt is made of high-quality rubber compound that ensures excellent durability and reliability. It features a ribbed design that provides enhanced grip and tension retention, ensuring optimal alternator performance and efficient power generation. The belt's cross-section is asymmetrical, with a wider rib on the drive side and a narrower one on the idler side, which facilitates smooth belt movement and reduces wear and tear.

The BMW 11-28-5-A6-A93-9 alternator belt comes in a length of approximately 106 inches (2692 mm) and has a width of 0.5 inches (12.7 mm). The belt's outer diameter at the pulleys is around 31.5 inches (800 mm), and its inner diameter is about 14.2 inches (361 mm). The belt's tension range is from 15 to 30 ft-lbs (20 to 41 Nm), and it can handle a maximum continuous power of up to 100 horsepower.

This alternator belt is engineered to meet the highest BMW standards for fit, function, and durability. It is recommended to replace the alternator belt as a preventative measure every 40,000 to 60,000 miles (64,000 to 97,000 km) or whenever you notice signs of wear, such as cracks, glazing, or squealing sounds. By using a genuine BMW alternator belt, you can ensure optimal alternator performance and extend the life of your BMW's charging system.

Buying a BMW 11-28-5-A6-A939 alternator belt is an essential investment for maintaining the electrical system in your BMW vehicle. Below are some pros and cons to help you make an informed decision.

1. OEM Quality: The BMW 11-28-5-A6-A939 alternator belt is an original equipment manufacturer (OEM) part. This means it is specifically designed and engineered for your BMW model and is guaranteed to fit and function optimally.

2. Reliability: A new OEM alternator belt ensures the reliability of your vehicle's electrical system. A worn-out or damaged belt can cause the alternator to fail, leading to a loss of power and potential damage to other components.

3. Longer Lifespan: A high-quality OEM alternator belt can last longer than aftermarket alternatives, reducing the frequency of replacement and saving you time and money in the long run.

4. Peace of Mind: By using a genuine BMW part, you can have peace of mind knowing that your vehicle is being serviced with the best possible components, ensuring its longevity and performance.

1. Cost: BMW OEM parts, including alternator belts, can be more expensive than aftermarket alternatives. The higher price tag may be a deterrent for some.

2. Availability: BMW dealerships and authorized service centers may have a limited supply of OEM parts, which could result in a longer wait time for replacement.

3. Installation: Installing an OEM alternator belt may require specialized tools and knowledge, potentially adding to the overall cost of the replacement.

In conclusion, while the BMW 11-28-5-A6-A939 alternator belt may come with a higher price tag, the benefits of using a genuine OEM part include reliability, longer lifespan, and peace of mind. By investing in a high-quality BMW part, you can ensure the optimal performance and longevity of your vehicle's electrical system.

Details:

Electrical parts are not returnable. Parts must be resalable and in the original packaging. Genuine BMW Parts. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer.

part #: 11285a6a939 prices

• $39.55-$48.15

specifications bepubrac:

• for makes: Bmw
• mpn: 11-28-5-a6a-939
• part type: Alternator Belt
• genuine oem: Yes
• warranty: 1 Year
• fitment type: Direct Replacement
• parts included: Only Part Reference 1 On The Diagram Is Included
• replaces part number: 11-28-7-557-257

shipping bepubrac:

• transit: 3-8 Days
• class: Standard, Expedited, One-day
• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery, FedEx 2Day, FedEx Standard Overnight
• type: Fixed
• cost: $0.00

offer bepubrac:

• quantity: 1
• started: August 11, 2025
• availability: In Stock
• options: Ship-to-home
• sold: 0

returns bepubrac:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

payments bepubrac:

• wallet: Paypal
• other
• credit card: Visa

seller bepubrac:

• rating: 98.0%
• # reviews: 590
• city: Katy, Texas

general bepubrac:

• condition: New
• Car Truck Parts Accessories > Accessory Belts > Belts

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