KING ENGINE BEARINGS MB5148SI040 Crankshaft 611500462511 .040 Jeep/a.m.c.

( Brand: King Engine Bearings ), ( Number In Pack: 10 ), ( Type: Crankshaft Main Bearing ), ( Manufacturer Part Number: MB5148SI040 ), ( Items Included: Engine Bearing ), ( Universal Fitment: No ), ( Size: .040 ), ( Fitment Type: Performance/custom ), ( Notes: Compatible With Jeep/a.m.c. 150 1991-1993 ), ( UPC: 611500462511 )

Review KING ENGINE BEARINGS .040 Crankshaft Main Jeep/a.m.c. 150 fits 1991–1993

The King Engine Bearings MB5148SI040 040 crankshaft main bearing set is an excellent choice for Jeep and AMC vehicles manufactured between 1991 and 1993 with the 150 engine. These bearings are designed to provide superior performance and durability compared to the original equipment (OE) bearings.

The set includes two crankshaft main bearings (one for each side) and two bearing caps. The bearings are made from micro-alloy steel, which is known for its high strength and wear resistance. The steel is heat-treated to ensure optimal hardness and durability.

King bearings feature a patented roller design, which provides increased load capacity and reduced friction compared to standard bearings. The roller design also allows for greater clearance between the crankshaft and the engine block, which can help reduce engine noise and vibration.

The MB5148SI040 bearings are precision machined to ensure a perfect fit in the engine. They are also coated with a layer of copper-plating, which helps to reduce friction and prevent corrosion.

The bearing caps are made from high-strength aluminum and are designed to provide a secure and accurate fit on the engine block. They are also machined with a chamfered edge, which makes installation easier and reduces the risk of damaging the engine block.

Each bearing and cap is inspected during the manufacturing process to ensure that it meets King's high standards for quality and performance. The set also comes with new seals and gaskets to ensure a proper seal between the engine block and the bearing caps.

Overall, the King Engine Bearings MB5148SI040 040 crankshaft main bearing set is an excellent upgrade for Jeep and AMC 150 engines manufactured between 1991 and 1993. These bearings offer improved performance, durability, and reduced noise and vibration, making them a great choice for enthusiasts and professional mechanics alike.

Pros and Cons of Buying King Engine Bearings MB5148SI040 for Jeep/AMC 150 (1991-1993)

The King Engine Bearings MB5148SI040 is a popular choice among automotive enthusiasts and mechanics for Jeep/AMC 150 engines produced between 1991 and 1993. This bearing set is known for its high-performance features and durability. In this analysis, we will discuss the advantages and disadvantages of purchasing this particular bearing set for your Jeep/AMC 150.

1. Superior Material: The King Engine Bearings MB5148SI040 are made of top-quality materials, including chrome steel and aluminum alloy, ensuring exceptional strength and durability.

2. Enhanced Performance: These bearings provide improved engine performance by reducing friction and allowing for smoother operation, leading to better fuel efficiency and increased power output.

3. Low-friction Design: The bearings feature a low-friction design, which results in reduced engine noise and improved engine longevity.

4. Widely Compatible: The King Engine Bearings MB5148SI040 are compatible with various Jeep/AMC engine models, making them a versatile choice for vehicle owners.

5. Warranty: King Engine Bearings offer a limited warranty against manufacturing defects, providing peace of mind and protection for your investment.

1. Cost: The King Engine Bearings MB5148SI040 are more expensive than some standard bearing sets. However, the increased cost is often justified by their superior performance and longevity.

2. Installation Complexity: Installing these high-performance bearings may require specialized tools and expertise. It is recommended to consult a professional mechanic for installation to ensure proper installation and optimal performance.

3. Potential Clearance Issue: Depending on the engine configuration, there might be clearance issues when installing these bearings. In such cases, additional modifications may be required.

The King Engine Bearings MB5148SI040 offer several advantages, including superior materials, enhanced performance, low-friction design, and compatibility with various Jeep/AMC engine models. Although they come with a higher price tag and may require specialized installation, the benefits often outweigh the costs. If you are looking for high-performance engine bearings for your Jeep/AMC 150, the King Engine Bearings MB5148SI040 are an excellent choice.

If you are in the market for new engine bearings for your Jeep/AMC 150 and are looking for high-performance options, consider the King Engine Bearings MB5148SI040. Despite the higher cost and potential installation complexities, the benefits of these bearings, such as superior materials, enhanced performance, and longevity, make them a worthwhile investment for your vehicle. It is recommended to consult a professional mechanic for installation to ensure optimal performance and peace of mind.

Details:

150 1991 -1993: Compatible with: JEEP/AMC. 150 1991 1993Number of pairs in a set: 5Bearing size: .040King Bearings have been proven time and again to be the best on market. For listings with free shipping, it only applies within the continental 48 states. Regardless if its race, track, or stock replacements they have proven get the job done.

part #: mb5148si040 prices

• $43.00-$51.71

specifications engibearing:

• for makes: Jeep
• for years: 1991-1993
• brand: King Engine Bearings
• number in pack: 10
• type: Crankshaft Main Bearing
• manufacturer part number: MB5148SI040
• items included: Engine Bearing
• universal fitment: No
• size: .040
• fitment type: Performance/custom
• notes: Compatible With Jeep/a.m.c. 150 1991-1993
• upc: 611500462511

general engibearing:

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

shipping engibearing:

• cost: $0.00
• transit: 3-6 Days
• type: Fixed
• class: Standard
• service: Standard

returns engibearing:

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

payments engibearing:

• credit card: Discover
• wallet: Paypal
• other

seller engibearing:

• city: Wrightstown, Wisconsin
• # reviews: 70791
• rating: 99.4%

offer engibearing:

• started: January 4, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 10

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