MERCURY Flathead Transmission 3-SPEED 8M-7006-B

( Manufacturer Part Number: 8M-7006 ), ( Type: Manual Transmission ), ( Oe/oem Part Number: 8m-7006-b ), ( Vintage Part: Yes )

Review MERCURY Flathead 3-speed Transmission Case Overdrive fits 1949-51

The Mercury 8M-7006 transmission is a classic three-speed unit that was originally manufactured for Mercury flathead engines between the years 1949 and 1951. This transmission is an essential component of Mercury vehicles from that era, providing the power necessary to propel the automobiles forward.

The 8M-7006 transmission is a manual unit, meaning that the driver directly engages the gears using a shifter. It features three forward gears, allowing the driver to select the appropriate gear for various driving conditions. The first gear is ideal for low-speed situations, such as starting from a stop or climbing steep hills. The second gear provides a good balance of power and fuel efficiency for cruising on the highway. The third gear offers the highest cruising speed and is best suited for longer, straight stretches of road.

The transmission housing is made of durable cast iron, ensuring that it can withstand the rigors of everyday use. The gears are made of high-strength alloy steel, providing excellent durability and resistance to wear. The synchronizers, which help to smooth out gear shifts, are made of brass, ensuring a quiet and efficient gear change.

The 8M-7006 transmission is designed to be a direct fit for Mercury flathead engines, making installation straightforward. It features a standard bellhousing pattern, allowing it to be mated to a wide variety of clutch systems. The transmission also includes a drain plug, making it easy to change the transmission fluid for regular maintenance.

The Mercury 8M-7006 transmission is a reliable and robust component that has proven itself over the years. Its durable construction and simple design make it an ideal choice for classic car enthusiasts looking to restore their Mercury vehicles to their former glory. Whether you're cruising down the highway or navigating city streets, this transmission is sure to provide the power and performance you need.

In summary, the Mercury 8M-7006 transmission is a classic three-speed unit that was originally manufactured for Mercury flathead engines between 1949 and 1951. It is a durable and reliable component, featuring a cast iron housing, high-strength alloy steel gears, and brass synchronizers. The transmission is easy to install and maintain, making it an ideal choice for classic car enthusiasts looking to restore their Mercury vehicles.

The Mercury 8M-7006 flathead 3-speed transmission, which was used in vehicles manufactured between 1949 and 1951, can be a viable option for those restoring or working on classic cars. Here are some potential pros and cons to consider before making a purchase:

1. Authenticity: This transmission is an original part for Mercury cars from that era, making it an excellent choice for those seeking to maintain the originality of their vehicle.

2. Availability: Since it is a common transmission for Mercury cars during that time, it is relatively easy to find and purchase.

3. Affordability: Compared to some other vintage transmission options, the Mercury 8M-7006 can be a more budget-friendly choice.

1. Wear and Tear: Given its age, the transmission may have experienced wear and tear, which could result in the need for repairs or rebuilding.

2. Compatibility: Ensure the transmission is compatible with your specific vehicle model and year before making a purchase.

3. Performance: Depending on the condition of the transmission, it may not provide optimal performance, especially if it has not been rebuilt or restored.

The Mercury 8M-7006 flathead 3-speed transmission can be an appealing choice for those restoring classic cars due to its availability, authenticity, and affordability. However, it's important to be aware of its potential wear and tear, compatibility concerns, and performance limitations. A thorough inspection or consultation with a transmission expert can help determine the condition and suitability of the transmission for your specific needs.

If you're set on using an original Mercury transmission for your project, take the time to properly evaluate the condition of the 8M-7006 transmission you're considering. Alternatively, you may want to explore the possibility of rebuilding or restoring the transmission to ensure optimal performance. Ultimately, your decision should be based on your budget, the level of authenticity you desire, and the specific requirements of your vehicle restoration project.

Details:

Manufactured by Mercury, this transmission case specifically fits the 3-speed gear count and is identified OE/OEM part number 8M-7006-B. The 1949-51 Mercury Flathead 3-speed Transmission Case 8M-7006-B Overdrive is a vintage part designed for manual transmissions. Ideal for restoring or repairing classic Mercury vehicles from the mentioned years, this overdrive case is a genuine manufacturer part that adds authenticity and functionality to transmission system.

part #: 8m7006 prices

• $60.00-$360.00

specifications complmanu:

• for makes: Mercury
• for years: 1949-51
• mpn: 8m-7006
• type: Manual Transmission
• oe/oem part number: 8m-7006-b
• vintage part: Yes

payments complmanu:

• cash
• wallet: Apple-pay
• credit card: Mastercard
• other

seller complmanu:

• city: Boyertown, Pennsylvania
• rating: 99.1%
• # reviews: 4306

general complmanu:

• Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission
• condition: Used

offer complmanu:

• options: Ship-to-home
• quantity: 1
• started: November 25, 2025
• sold: 0
• best offers: True
• availability: In Stock

shipping complmanu:

• type: Fixed
• cost: $40.00
• service: UPS Ground
• class: Standard
• carrier: UPS
• transit: 6-11 Days

returns complmanu:

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

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