KING ENGINE BEARINGS MB5148SI030 Crankshaft 611500462504 .030 Jeep/a.m.c.

( Brand: King Engine Bearings ), ( Number In Pack: 10 ), ( Type: Crankshaft Main Bearing ), ( Manufacturer Part Number: MB5148SI030 ), ( Items Included: Engine Bearing ), ( Universal Fitment: No ), ( Size: .030 ), ( Fitment Type: Performance/custom ), ( Notes: Compatible With Jeep/a.m.c. 150 1991-1993 ), ( UPC: 611500462504 )

Review KING ENGINE BEARINGS .030 Crankshaft Main Jeep/a.m.c. 150 fits 1991–1993

The King Engine Bearings MB5148SI030 030 crankshaft bearing kit is a premium solution for the replacement of worn-out or failed bearings on Jeep and AMC vehicles with the engine model 150, produced between 1991 and 1993. This set includes three crankshaft bearings: two end bearings and one main bearing. Each bearing is meticulously engineered for superior performance and durability.

The end bearings (MB5148SI030) in this kit are designed with a modified split roller design. This advanced design features a large roller diameter and a reduced roller contact area, which results in reduced friction and improved engine response. The bearings are also machined to the highest tolerances, ensuring a precise fit and minimal clearance for optimal engine performance. Additionally, they are engineered with a high-strength, low-alloy steel backing plate that provides excellent support and durability.

The main bearing (MB5148SI) in this kit is a premium, full-pressure, tapered roller design. It features a large roller diameter and a high-strength, low-alloy steel backing plate. The tapered roller design ensures an even load distribution, reducing the risk of bearing failure and providing superior support to the crankshaft. The full-pressure design ensures that the bearing is lubricated from both sides, which is crucial for maintaining proper lubrication and cooling.

King Engine Bearings are known for their high-quality materials and meticulous manufacturing processes. These bearings are made with a chrome molybdenum alloy steel roller, which offers excellent wear resistance and strength. The bearing shells are made from a high-silicon bronze alloy, which has excellent thermal conductivity and high compressive strength.

This kit is suitable for both professional mechanics and enthusiasts who demand the best in engine performance and reliability. The bearings are easy to install, with clear installation instructions included in the packaging. Additionally, King Engine Bearings offer a limited lifetime warranty against failure due to defects in materials or workmanship.

In summary, the King Engine Bearings MB5148SI030 030 crankshaft bearing kit is a premium solution for the replacement of worn-out or failed crankshaft bearings on Jeep and AMC vehicles with the engine model 150, produced between 1991 and 1993. The kit includes high-performance end and main bearings, which are engineered for reduced friction, improved engine response, and superior support to the crankshaft. These bearings are made from high-quality materials, are easy to install, and come with a limited lifetime warranty against defects in materials or workmanship.

Pros and Cons of Buying King Engine Bearings MB5148SI030 for Jeep/A.M.C 150 (1991-1993)

The King Engine Bearings MB5148SI030 is a popular choice for those looking to upgrade the crankshaft bearings in their Jeep/A.M.C 150 vehicles from 1991 to 1993. This bearing set is known for its high-performance design and durability. In this analysis, we will discuss the advantages and disadvantages of purchasing this particular bearing set for your Jeep/A.M.C 150.

1. Enhanced Durability: King Engine Bearings are made of high-quality materials, designed to withstand the stresses and pressures of modern engines. This set is no exception, as it is engineered to outlast stock bearings.

2. Improved Engine Performance: The precision-machined surfaces of these bearings can help reduce friction and improve engine efficiency, resulting in smoother operation and potentially increased power output.

3. Reduced Engine Noise: The improved design and materials of these bearings can help reduce the amount of engine noise produced by the crankshaft, making for a quieter and more enjoyable driving experience.

4. Compatibility: These bearings are specifically engineered for the Jeep/A.M.C 150 (1991-1993), ensuring a perfect fit and function.

1. Cost: King Engine Bearings are typically more expensive than stock bearings, which may be a deterrent for some buyers.

2. Installation Complexity: Installing these bearings may require additional tools and expertise, making it a more involved process than simply swapping out stock bearings.

3. Potential for Clearance Issues: In some cases, the increased thickness of these bearings may require adjustments to other engine components to ensure proper clearance and function.

The King Engine Bearings MB5148SI030 offers several advantages for those looking to upgrade their Jeep/A.M.C 150's crankshaft bearings, including enhanced durability, improved engine performance, reduced engine noise, and compatibility. However, it also comes with potential drawbacks like increased cost, installation complexity, and potential clearance issues. Ultimately, the decision to purchase these bearings depends on your budget, mechanical expertise, and desired level of performance improvement.

If you are a performance enthusiast with a well-equipped garage and a solid budget, the King Engine Bearings MB5148SI030 is an excellent choice for upgrading your Jeep/A.M.C 150's crankshaft bearings. If you are more budget-conscious or less mechanically inclined, you may want to consider stock or aftermarket bearings with a more accessible price point and simpler installation process.

Details:

150 1991 -1993: Compatible with: JEEP/AMC. 150 1991 1993Number of pairs in a set: 5Bearing size: .030King Bearings have been proven time and again to be the best on market. Regardless if its race, track, or stock replacements they have proven get the job done. For listings with free shipping, it only applies within the continental 48 states.

part #: mb5148si030 prices

• $42.99-$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: MB5148SI030
• items included: Engine Bearing
• universal fitment: No
• size: .030
• fitment type: Performance/custom
• notes: Compatible With Jeep/a.m.c. 150 1991-1993
• upc: 611500462504

general engibearing:

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

seller engibearing:

• # reviews: 70790
• city: Wrightstown, Wisconsin
• rating: 99.4%

shipping engibearing:

• class: Standard
• type: Fixed
• transit: 4-7 Days
• cost: $0.00
• service: Standard

offer engibearing:

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

payments engibearing:

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

returns engibearing:

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

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