KING BEARING MB5521AM0.25 Engine Crankshaft Set

( Brand: King Bearing ), ( Manufacturer Part Number: MB5521AM0.25 ), ( Type: Engine Crankshaft Main Bearing Set )

Review KING BEARING Engine Crankshaft Main Set

The MB5521AM0.25 engine crankshaft set, produced by King Bearing, is an essential component for the smooth and efficient operation of your engine. This crankshaft set is specifically designed for Mercedes-Benz applications, making it an excellent choice for those seeking OEM-level performance and reliability.

The MB5521AM0.25 crankshaft set consists of two main components: the crankshaft and the bearing kit. The crankshaft is a critical rotating assembly in your engine, responsible for transferring power from the pistons to the flywheel. King Bearing's crankshaft is meticulously machined to exacting tolerances, ensuring a perfect fit and optimal balance. It is made of high-strength steel, providing the necessary rigidity and durability to withstand the extreme forces generated during engine operation.

The bearing kit included in the MB5521AM0.25 set comprises the crankshaft main bearings, counterweight bearings, and journal bearings. These bearings are designed to minimize friction and wear, ensuring a long service life and reducing the need for frequent engine maintenance. They are precision-engineered using advanced materials, such as micro-finished steel and high-performance bronze, to provide excellent load-carrying capacity and resistance to wear.

King Bearing's MB5521AM0.25 engine crankshaft set offers several advantages over aftermarket alternatives. It is a direct OEM replacement, ensuring a perfect fit and compatibility with other engine components. Additionally, it offers superior quality and performance, thanks to King Bearing's extensive experience in manufacturing high-performance engine components. This set is an excellent investment for Mercedes-Benz owners seeking reliable, long-lasting engine performance.

The MB5521AM0.25 engine crankshaft set by King Bearing is a popular aftermarket option for those seeking to replace a worn-out or damaged crankshaft in their engines. Here are some potential pros and cons of buying this crankshaft set:

1. High-quality material: The MB5521AM0.25 crankshaft is made of forged steel, which ensures durability and strength. This material is known for its ability to withstand heavy loads and high temperatures.

2. Precise fitment: King Bearing is known for producing crankshafts with precise fitment. This means that the MB5521AM0.25 crankshaft set is likely to fit your engine perfectly, reducing the need for additional modifications or adjustments.

3. Improved performance: A new crankshaft can lead to improved engine performance. A worn-out crankshaft can cause engine vibrations, misfires, and other issues that can negatively impact performance.

4. Cost-effective: Compared to OEM (original equipment manufacturer) crankshafts, aftermarket options like the MB5521AM0.25 crankshaft set can be more cost-effective.

1. Potential for poor quality: While King Bearing is known for producing high-quality crankshafts, there is always a risk of receiving a defective product. This could result in additional costs and time spent on returns and replacements.

2. Lack of OEM warranty: Aftermarket parts like the MB5521AM0.25 crankshaft set do not come with the same level of warranty coverage as OEM parts. This means that any issues that arise may not be covered under the manufacturer's warranty.

3. Installation complexity: Installing a new crankshaft can be a complex and time-consuming process. It may require specialized tools and knowledge, which could add to the overall cost and hassle of the replacement.

The MB5521AM0.25 engine crankshaft set by King Bearing offers several advantages, including high-quality materials, precise fitment, improved performance, and cost-effectiveness. However, it also comes with potential drawbacks, such as the risk of receiving a defective product, lack of OEM warranty, and installation complexity. Ultimately, the decision to buy this crankshaft set depends on your individual needs, budget, and technical expertise. If you are comfortable with the installation process and are looking for a cost-effective solution, the MB5521AM0.25 crankshaft set may be a good choice. However, if you prefer the peace of mind that comes with OEM parts and warranties, you may want to consider other options.

Details:

Engine Crankshaft Main Bearing Set. This part fits vehicles made in the following years Null.

part #: mb5521am025 prices

• $52.29-$67.66

specifications engibearing:

• brand: King Bearing
• manufacturer part number: MB5521AM0.25
• type: Engine Crankshaft Main Bearing Set

returns engiBearing:

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

seller engiBearing:

• rating: 99.5%
• # reviews: 1771
• city: Brooklyn, New York

general engiBearing:

• Car Truck Parts Accessories > Engines Engine Parts > Engine Bearings
• condition: New

payments engiBearing:

• credit card: Discover
• other
• wallet: Apple-pay

offer engiBearing:

• options: Ship-to-home
• availability: In Stock
• started: June 11, 2026
• quantity: 6
• sold: 0

shipping engiBearing:

• service: Standard
• transit: 5-9 Days
• class: Standard
• type: Fixed
• cost: $25.00

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