MELLING M-55I Oil Pump

( Brand: Melling ), ( Part Type: Oil Pump ), ( Manufacturer Part Number: M-55I )

Review MELLING Genuine Stock Replacement Oil Pump

The Melling M-55i Oil Pump is a high-performance, compact, and efficient oil pump designed for applications requiring superior oiling capabilities. This oil pump is engineered to deliver consistent oil pressure even under high-demand conditions, making it an ideal choice for modified engines, race applications, or heavy-duty vehicles.

The M-55i Oil Pump boasts several advanced features that set it apart from standard oil pumps. Its unique, billet aluminum design offers enhanced durability and strength, while its integrated pressure regulator ensures accurate oil pressure control. This pump also incorporates a high-volume, helical gear design that maximizes oil flow and reduces parasitic losses, ultimately leading to improved engine performance and longevity.

The Melling M-55i Oil Pump comes with a variety of mounting options to accommodate different engine configurations. It is compatible with both standard and reverse-flow applications and can be easily adapted to various mounting surfaces using the included bracket kit. Additionally, the pump's small footprint ensures that it can be installed in tight engine compartments without compromising performance or clearance.

Melling's M-55i Oil Pump is backed by the company's industry-leading warranty, which covers defects in materials and workmanship for a period of three years or 50,000 miles (whichever comes first). This warranty demonstrates Melling's commitment to manufacturing high-quality, reliable products that meet the demands of today's performance and racing enthusiasts.

In summary, the Melling M-55i Oil Pump is a versatile, high-performance oil pump that delivers consistent oil pressure and maximizes oil flow for optimal engine performance. Its durable design, compact size, and versatile mounting options make it an excellent choice for a wide range of applications, from modified street cars to high-powered race engines.

Pros and Cons of Buying a Melling M-55i Oil Pump for Your Engine

The Melling M-55i oil pump is a popular aftermarket upgrade for various engine applications due to its high efficiency and reliability. However, like any other purchase, it comes with its advantages and disadvantages. In this article, we will discuss the pros and cons of buying a Melling M-55i oil pump to help you make an informed decision.

1. Increased Oil Pressure: One of the primary benefits of the Melling M-55i oil pump is its ability to deliver higher oil pressure than the stock pump. This ensures that all engine components are adequately lubricated, which can lead to improved engine performance and longevity.

2. Enhanced Engine Life: By providing better oil circulation, the Melling M-55i oil pump can help reduce engine temperatures and wear. This translates to a longer engine life and fewer repair costs over time.

3. Improved Fuel Economy: The increased oil pressure and better engine lubrication can result in improved fuel economy. This is especially true in engines that require a lot of oil pressure to operate efficiently, such as high-performance or diesel engines.

4. Quieter Operation: The Melling M-55i oil pump is known for its quiet operation. This is due to its superior design and manufacturing, which results in a pump that runs more smoothly and produces less noise than the stock pump.

5. Customizability: The Melling M-55i oil pump is available in various configurations to suit different engine applications. This means that you can find a pump that is specifically tailored to your engine and its performance requirements.

1. Cost: One of the main disadvantages of the Melling M-55i oil pump is its cost. These pumps are more expensive than stock pumps, and the installation process may also require additional expenses for labor and parts.

2. Complex Installation: Installing a Melling M-55i oil pump can be a complex process, especially for those who are not experienced in engine work. This may require hiring a professional mechanic or spending a significant amount of time researching and learning the installation process.

3. Potential Compatibility Issues: Although the Melling M-55i oil pump is available in various configurations, it may not be compatible with all engine applications. It is essential to ensure that the pump is compatible with your engine before making a purchase.

4. Potential Noise: While the Melling M-55i oil pump is generally known for its quiet operation, some users have reported occasional noise from the pump. This may be due to installation issues or the specific design of the pump for a particular engine application.

The Melling M-55i oil pump offers several advantages, including increased oil pressure, enhanced engine life, improved fuel economy, quieter operation, and customizability. However, it also comes with some disadvantages, such as cost, complex installation, potential compatibility issues, and occasional noise. Ultimately, the decision to purchase a Melling M-55i oil pump depends on your specific engine application, budget, and installation capabilities. If you are looking for a high-performance oil pump that can provide better lubrication and improve engine life, then the Melling M-55i may be worth the investment. However, if you are on a tight budget or are not comfortable with the installation process, then a stock oil pump may be a more suitable option for you.

Details:

Electrical parts are not returnable. Melling oil pumps provide dependable performance every time in application. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Genuine Melling Stock Replacement Oil Pump M-55I: Parts: Made in USA.

M-55I Stock Replacement: Standard Volume, Pressure, Cast Iron Oil Pump, Chevrolet, GMC, Workhorse 6.2L, 6.5L, Replacement High Volume Pressure Pump. Every Melling oil pump is individually tested for pressure and flow under conditions designed to duplicate actual engine operating. Every Melling oil pump is engineered and assembled to the highest production standards from high quality materials. Gears are machined to close tolerances ensure proper engine pressure and correct, efficient pump operation.

Specializing in high-quality automotive aftermarket parts. End plates are precision ground for maximum wear resistance. Parts must be resalable and in the original packaging.

part #: m55i prices

• $72.78-$108.63

specifications pumppruner:

• brand: Melling
• part type: Oil Pump
• manufacturer part number: M-55I

offer pumppruner:

• options: Ship-to-home
• quantity: 1
• started: January 27, 2026
• sold: 0
• availability: In Stock

general pumppruner:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Oil Pumps Parts

shipping pumppruner:

• cost: $23.77
• service: Standard
• class: Standard
• type: Fixed
• transit: 3-7 Days

payments pumppruner:

• wallet: Apple-pay
• credit card: Diners-club
• other

seller pumppruner:

• # reviews: 329
• rating: 96.6%
• city: Tempe, Arizona

returns pumppruner:

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

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