- Car & Truck Differentials, Assemblies Parts On Sale
- sku: 11107384992153771
- BMW 320I
320I BMW Locking Rear Differential Carrier E21
fits model: 320i, E21.
| Brand | BMW |
|---|---|
| Manufacturer Part Number | 320I |
| Type | DIFFERENTIAL |
| Ipn | 440-50727A |
| Genuine Oem | YES |
| Differential Type | OPEN |
| Placement On Vehicle | LOWER, REAR |
Review BMW Non-locking 3.91 Rear Diff Differential Carrier for 320I E21
The BMW E21 3.91 Rear Differential Carrier, part number 440-50727A, is an essential component in the powertrain system of BMW E21 models. This non-locking differential carrier houses the rear differential gear and facilitates the transfer of torque from the engine to the wheels.
The carrier is manufactured from high-strength steel, ensuring durability and reliability under heavy loads and high rotational speeds. Its robust design allows it to withstand the rigors of daily driving, as well as the demands of high-performance applications.
The 3.91 ratio of this differential carrier is ideal for providing a good balance between acceleration and fuel efficiency. It offers impressive torque multiplication, enabling the vehicle to accelerate quickly and smoothly, while also maintaining reasonable fuel consumption.
The BMW 440-50727A rear differential carrier is a direct replacement for the original part, ensuring a perfect fit and easy installation. Its precision-engineered dimensions and tolerances guarantee optimal performance and ensure a seamless integration into the vehicle's powertrain system.
This component is suitable for BMW E21 models, including the 316, 318, 320, and 323. It is essential for maintaining the vehicle's handling and driving characteristics, making it an indispensable upgrade for BMW enthusiasts and those seeking to restore or enhance their E21 models.
The BMW 440-50727A rear differential carrier is a high-quality, reliable, and durable replacement part, designed to meet the exacting standards of BMW and its discerning customers. With its precision engineering, robust construction, and optimal ratio, it provides the perfect blend of performance, efficiency, and reliability for your BMW E21.
The BMW E21 non-locking 3.91 rear differential carrier (BMW part number: 440-507-27A) is an essential component of the rear differential assembly in BMW E21 model cars. Here are some pros and cons of buying this part:
Pros:1. Enhanced Performance: This differential carrier provides a 3.91:1 final drive ratio, which can improve the overall performance of your BMW E21 by increasing its acceleration and power delivery.
2. OEM Part: This is an original equipment manufacturer (OEM) part, meaning it is made by BMW or by a supplier that meets BMW's strict quality standards. Using an OEM part can ensure proper fitment, durability, and reliability.
3. Improved Handling: The 3.91:1 final drive ratio can also enhance the handling of your BMW E21 by providing better torque and traction, especially during acceleration and cornering.
Cons:1. Cost: This OEM BMW part can be quite expensive compared to aftermarket alternatives.
2. Availability: Depending on your location and the availability of BMW dealerships and parts suppliers, it may take some time to source and receive this part.
3. Installation: Installing this differential carrier requires specialized tools and knowledge, so you may need to pay for professional installation services.
In conclusion, the BMW E21 non-locking 3.91 rear differential carrier (440-507-27A) can offer improved performance, handling, and reliability. However, its high cost, potential availability issues, and installation requirements may be drawbacks for some BMW E21 owners.
If you are a BMW enthusiast looking to enhance the performance and handling of your E21, this OEM differential carrier could be a worthwhile investment. However, if you are on a budget or are not comfortable with the installation process, you may want to consider aftermarket alternatives or seeking professional advice before making a decision. Ultimately, the choice depends on your individual needs, preferences, and circumstances.
Details:
3.91 ratio diff from a E21. Turns over smooth.
specifications differentialsdepo:
- for models: 320i, E21
- brand: Bmw
- mpn: 320i
- type: Differential
- ipn: 440-50727a
- genuine oem: Yes
- differential type: Open
- placement on vehicle: Lower, Rear
payments differentialsdepo:
- other
- wallet: paypal
- credit card: visa
general differentialsdepo:
- category: Auto Parts > Transmission Drivetrain > Differentials > Assemblies
offer differentialsdepo:
- in stock #: 3
- availability: in stock
- sold #: 18
- started: august 19, 2025
- options: ship-to-home
- prices: $449.99–$590.00
- item condition: Used
shipping differentialsdepo:
- transit: 3-9 days
- service: fedex ground / fedex home delivery
- type: calculated
- carrier: fedex
- class: standard
returns differentialsdepo:
- policy: no returns
seller differentialsdepo:
- # reviews: 2160
- city: chattaroy, washington
- rating: 100.0%
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