FORD M5R1-40 Transmission Synchro M5OD 91-ON 5TH/REV 30T

( Manufacturer Part Number: M5R1-40 ), ( Part Type: Transmission )

Review FORD Fits M5r1 Transmission Synchro Assembly 5th/rev 30t fits M50D REV

The Ford M5R1-40, M5R1, M5OD, and M50D transmissions are all part of the same family of automatic transmissions produced by Ford Motor Company for various applications between the years 1991 and onwards. These transmissions are known for their durability, reliability, and smooth operation. The synchronizers in this transmission are an essential component that ensures seamless gear engagement, and the 91-on 5th/rev 30T synchronizer is a crucial part of this system.

The M5R1-40, M5R1, M5OD, and M50D transmissions are all 5-speed units, which offer improved fuel economy, responsiveness, and power delivery compared to their 4-speed predecessors. The 91-on 5th/rev 30T synchronizer is specifically designed for the 5th gear engagement, ensuring a quick and synchronized shift between the fourth and fifth gears.

This synchronizer is a crucial component of the transmission's design, as it facilitates smooth and quick gear shifts by reducing friction between the gears during engagement. It is essential for the transmission to operate efficiently and effectively, particularly when driving at higher speeds or when towing heavy loads.

The 91-on 5th/rev 30T synchronizer is a cone-type synchronizer, which uses a pair of cones with matching tooth patterns to engage the gears. The synchronizer's design allows for a gradual engagement of the gears, reducing the wear and tear on the transmission components and improving overall durability.

Ford's M5R1-40, M5R1, M5OD, and M50D transmissions are known for their robust design and long service life. The synchronizers, including the 91-on 5th/rev 30T synchronizer, are no exception. These components are manufactured to exacting standards, ensuring precise fitment, excellent performance, and reliable operation.

When it comes time to replace the synchronizer in your Ford transmission, it's important to choose a high-quality part that meets or exceeds OEM specifications. A poorly made or incorrect synchronizer can cause shifting issues, premature wear on other transmission components, and even transmission failure. By selecting a genuine Ford OE synchronizer, you can ensure that your transmission continues to operate at its best, providing you with the performance, reliability, and durability you expect from a Ford vehicle.

The Ford M5R1-40, M5R1, M5OD, and M50D transmissions are all part of the Ford 5-speed manual transmission series used in various Ford vehicles from the 1990s to early 2000s. Each transmission type has its unique features and potential advantages and disadvantages.

1. Durability: Known for their robustness and reliability, these transmissions can handle high power outputs and have a long service life.

2. Performance: These transmissions offer smooth and precise shifts, making them popular among enthusiasts and racecar applications.

3. Availability: Since they were used in a wide range of Ford vehicles, replacement parts and rebuild kits are abundant and easily accessible.

4. Cost-Effective: Compared to modern automatic transmissions, these manual transmissions are generally more affordable to purchase and maintain.

1. Complexity: These transmissions have a complex design, which may require specialized knowledge and tools to diagnose and repair issues.

2. Syncro Issues: Some Ford models equipped with these transmissions have had reported syncro issues, which can result in rough shifts or noisy transmissions.

3. Clutch Wear: Manual transmissions, in general, require more frequent clutch replacement compared to automatic transmissions.

4. Shifting Difficulty: Depending on the specific vehicle and transmission, some drivers may find the shifting action challenging or uncomfortable.

In conclusion, the Ford M5R1-40, M5R1, M5OD, and M50D transmissions are known for their durability, performance, availability, and cost-effectiveness. However, they also come with potential drawbacks such as complexity, syncro issues, and clutch wear. Ultimately, the decision to buy one of these transmissions depends on the individual's specific requirements, skill level, and budget.

If you are a DIY enthusiast with experience in manual transmissions, these options could be a great choice due to their availability, cost, and performance benefits. On the other hand, if you prefer a more straightforward and maintenance-free option, an automatic transmission may be a better fit for you.

If you are considering purchasing one of these transmissions, thoroughly research the specific model and application to ensure a good fit for your needs. Additionally, consider seeking advice from a trusted mechanic or Ford enthusiast community to help you make an informed decision.

Details:

M5R1 5 Speed 5th Reverse Gear 30 Tooth Updated Synchronize Sleeve M5R1-40 Ford OEM, Fits 1991 up Mazda Ranger/Explorer/B Series/Navajo Applications.

part #: m5r140 prices

• $29.95-$275.00

specifications manutransmission:

• for models: M50d, Rev
• for makes: Ford
• mpn: M5r1-40
• part type: Transmission

general manutransmission:

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

returns manutransmission:

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

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• rating: 0.0%
• city: San Antonio, Texas
• # Reviews: 0

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• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: December 9, 2025
• quantity: 2

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• other
• wallet: Paypal
• credit card: Diners-club

shipping manutransmission:

• class: Expedited
• transit: 4-10 Days
• cost: $11.00
• carrier: USPS
• service: USPS Priority Mail
• type: Fixed

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