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  3. NATIONAL 1987

NATIONAL C643 Transmission Shaft Race Manual Hy 7-64

fits model: W250. make: Dodge. year: 1981–1987.

C643 National 7-64 Transmission Input Shaft Race For 1981-1987 Dodge W250 Manual Hy

( Brand: National ), ( Manufacturer Part Number: 1987 ), ( Type: Manual Transmission Input Shaft Race ), ( Ipn: C643 7-64 ), ( Item Length: 3.190 ), ( Manufacturer Warranty: 1 Year ), ( Placement On Vehicle: Transmission Manual Transmission ), ( Compatible Year: 1987 1986 1985 1984 1983 1982 1981 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine National Manual Transmission Input Shaft Race )

Review NATIONAL 7-64 Transmission Input Shaft Race For Dodge Manual Hy fits W250 1981–1987

Introducing the National C633 7-spline transmission shaft race for 1981-1987 Dodge W250 manual trucks. This critical transmission component is essential for maintaining the smooth operation and longevity of your vehicle's powertrain.

The National C633 transmission shaft race is meticulously engineered using high-quality steel material. It is specifically designed for Dodge W250 trucks with manual transmissions from the 1981 to 1987 model years. This part is a direct replacement for the worn-out or failed original shaft race, ensuring a perfect fit and reliable performance.

This shaft race features a 7-spline design, which securely connects the input shaft and the transmission case. It is precision-machined to ensure a snug and accurate fit, minimizing any potential vibrations or play in the drivetrain. The shaft race's robust construction assures it can withstand the rigors of daily driving, heavy-duty work, and off-road adventures.

The National C633 transmission shaft race comes fully assembled with new bearings and seals, making installation a straightforward process. It's essential to replace this component when it starts to wear out or fail, as a defective shaft race can lead to transmission damage and costly repairs down the line.

By selecting the National C633 transmission shaft race for your 1981-1987 Dodge W250, you're not only ensuring a reliable and efficient drivetrain, but you're also investing in the overall longevity and performance of your vehicle. This is an upgrade that will provide you with peace of mind and the confidence to tackle any challenge the road may present.

Pros and Cons of Buying a National C643 Transmission Shaft Race for 1981-1987 Dodge W250 Manual Trucks

Introduction:

The National C643 transmission shaft race is a popular aftermarket replacement part for the manual transmissions found in 1981-1987 Dodge W250 trucks. This part is designed to improve the performance and durability of the transmission system. In this article, we will discuss the pros and cons of buying this transmission shaft race to help you make an informed decision.

Pros:

1. Improved Performance: The National C643 transmission shaft race is designed to reduce power loss and improve the overall performance of the manual transmission. It is made from high-quality materials and is manufactured to precise specifications, ensuring optimal power transfer from the engine to the transmission.

2. Enhanced Durability: The transmission shaft race is a critical component of the manual transmission, and it is subjected to a great deal of stress during regular use. The National C643 transmission shaft race is engineered to be more durable than the stock part, which can help prevent costly repairs and extend the life of the transmission.

3. Reduced Vibration: The National C643 transmission shaft race is designed to minimize vibration and noise, providing a smoother and more comfortable driving experience.

4. Easy Installation: The National C643 transmission shaft race is a direct replacement part, which means that it is designed to fit into the existing transmission system without the need for any modifications. This makes the installation process relatively simple and straightforward.

Cons:

1. Cost: The National C643 transmission shaft race is a premium aftermarket part, and it comes with a higher price tag compared to the stock part. While the long-term benefits may outweigh the initial investment, some buyers may be deterred by the upfront cost.

2. Availability: The National C643 transmission shaft race may not be readily available at all auto parts stores or online retailers. This could make it more difficult for some buyers to find and purchase this part.

3. Potential Compatibility Issues: While the National C643 transmission shaft race is a direct replacement part for most 1981-1987 Dodge W250 manual trucks, there may be some compatibility issues with certain transmission models or configurations. It is important to verify that this part is compatible with your specific vehicle before making a purchase.

Conclusion:

The National C643 transmission shaft race is a high-quality aftermarket replacement part that can help improve the performance, durability, and comfort of the manual transmission in 1981-1987 Dodge W250 trucks. While it comes with a higher price tag and may not be readily available at all auto parts stores, the long-term benefits of this part can make it a worthwhile investment for many buyers. If you are looking for a reliable and durable transmission component for your Dodge W250, the National C643 transmission shaft race is definitely worth considering.

Recommendation:

If you are in the market for a new transmission shaft race for your 1981-1987 Dodge W250 manual truck, we would recommend considering the National C643 transmission shaft race as a top option. Its high-quality materials, improved performance, enhanced durability, and easy installation make it an excellent choice for those looking to upgrade their transmission system. However, be sure to verify that this part is compatible with your specific vehicle before making a purchase. Additionally, shop around for the best price and availability to ensure that you are getting the best deal.

Details:

National Transmission Input Shaft Race for 1981 - 1987 Dodge W250 Manual hy: Status: In Stock.

specifications manutransmission:

  • for models: W250
  • for makes: Dodge
  • for years: 1981-1987
  • brand: National
  • mpn: 1987
  • type: Manual Transmission Input Shaft Race
  • ipn: C643 7-64
  • item length: 3.190
  • manufacturer warranty: 1 Year
  • placement on vehicle: Transmission Manual Transmission
  • compatible year: 1987 1986 1985 1984 1983 1982 1981
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine National Manual Transmission Input Shaft Race

payments manutransmission:

  • other
  • wallet: Apple-pay
  • credit card: Visa

general manutransmission:

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

shipping manutransmission:

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

returns manutransmission:

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

offer manutransmission:

  • options: Ship-to-home
  • quantity: 2
  • started: March 29, 2026
  • sold: 0
  • availability: In Stock

seller manutransmission:

  • # reviews: 638709
  • city: Indianapolis, Indiana
  • rating: 99.6%
for models: w250, for makes: dodge, for years: 1981-1987, type: manual transmission input shaft race, item length: 3.190, manufacturer warranty: 1 year, placement on vehicle: transmission manual transmission, compatible year: 1987 1986 1985 1984 1983 1982 1981, core charge: free no core charge, fitment type: direct replacement, bundle description: 1 pc genuine national manual transmission input shaft race,
category: auto parts > car truck parts accessories > transmission drivetrain > manual transmission parts, sku: 11964924152271892,

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