NATIONAL SX-J4FM Generator Drive End Bearing American Ty

( Brand: National ), ( Type: Generator Drive End Bearing ), ( Placement On Vehicle: Electrical Charging Starting Alternator / Generator ), ( Manufacturer Part Number: SX-J4FM ), ( Item Length: 2.060 ), ( Manufacturer Warranty: 1 Year ), ( Ipn: C253 50-34 ), ( Compatible Make: American Motors ), ( Compatible Year: 1974 1973 1972 1971 1970 1969 1968 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine National Generator Drive End Bearing )

Review NATIONAL Generator Drive End Bearing American Motors Ty fits JAVELIN 1968–1974

Introducing the National SX-J4FM generator drive end bearing, a crucial component specifically designed for American Javelin cars manufactured between 1968 and 1974. This premium bearing is engineered to deliver exceptional performance and reliability for your vehicle's generator system.

The SX-J4FM bearing boasts a robust design, featuring a high-quality steel shell that provides superior strength and durability. It's equipped with an oversized inner race for enhanced load capacity and increased contact area with the shaft, ensuring optimal power transmission and reducing the risk of premature wear.

The bearing's outer diameter measures 4.125 inches (104.8 mm), and it has a width of 1.375 inches (35 mm). The roller bearings are precision-manufactured with a diameter of 0.5 inches (12.7 mm), ensuring a snug fit and smooth operation. The bearing's clearance is precisely controlled to minimize friction and maximize efficiency.

The National SX-J4FM generator drive end bearing comes with an integrated seal system that effectively prevents contaminants, such as water and debris, from entering the bearing and causing damage. This feature ensures a longer service life and reduces the need for frequent maintenance.

Installing this replacement bearing is a straightforward process. It's designed to be a direct fit, meaning that no modifications are required for most applications. However, it's essential to consult your vehicle's service manual for any specific instructions and precautions before proceeding with the installation.

By upgrading your American Javelin's generator drive end bearing with the National SX-J4FM, you'll not only improve the overall performance of your vehicle's generator system, but you'll also extend its service life and save yourself the cost and inconvenience of frequent repairs. This high-performance bearing is an investment in the long-term health and reliability of your classic car.

Buying a new national SX-J4FM generator drive end bearing for a 1968-1974 American Javelin can be a crucial decision for vehicle owners. Here are some pros and cons to consider before making a purchase.

1. Improved Performance: A worn-out or damaged bearing can significantly affect the performance of your generator. Replacing it with a new one can help improve the efficiency and reliability of your vehicle's electrical system.

2. Longer Lifespan: A new bearing can help extend the lifespan of your generator. This can save you money in the long run by reducing the need for frequent repairs or replacements.

3. Safety: A faulty bearing can cause the generator to overheat or fail, which can be dangerous while driving. Replacing it with a new one can help ensure the safety of both the vehicle and its occupants.

1. Cost: Replacing a generator drive end bearing can be an expensive repair, especially if you choose to purchase a new OEM (original equipment manufacturer) part.

2. Availability: These bearings may not be readily available at local auto parts stores, and you may need to order them online or from a specialty supplier.

3. Installation: Installing a new bearing can be a complex process and may require professional assistance. This can add to the overall cost of the repair.

Replacing a worn-out or damaged national SX-J4FM generator drive end bearing for a 1968-1974 American Javelin can be a worthwhile investment for vehicle owners. While the cost and availability of the part may be a concern, the improved performance, longer lifespan, and safety benefits make it a wise choice for those who want to keep their classic Javelin in top condition. If you are not comfortable with the installation process, it may be best to seek the assistance of a professional mechanic.

If you are in the market for a new national SX-J4FM generator drive end bearing for your 1968-1974 American Javelin, I would recommend shopping around for the best price and availability. You may also want to consider purchasing a remanufactured or aftermarket bearing as an alternative to a new OEM part, which can offer similar performance at a lower cost. Finally, make sure to follow the manufacturer's instructions carefully during the installation process to ensure a successful repair.

Details:

part #: sxj4fm price

• $16.67

specifications addedclutch:

• for models: Javelin
• for years: 1968-1974
• brand: National
• type: Generator Drive End Bearing
• placement on vehicle: Electrical Charging Starting Alternator / Generator
• manufacturer part number: SX-J4FM
• item length: 2.060
• manufacturer warranty: 1 Year
• interchange part number: C253 50-34
• compatible make: American Motors
• compatible year: 1974 1973 1972 1971 1970 1969 1968
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine National Generator Drive End Bearing

seller addedclutch:

• # reviews: 597824
• rating: 99.2%
• city: Indianapolis, Indiana

offer addedclutch:

• options: Ship-to-home
• availability: In Stock
• quantity: 5
• started: November 28, 2025
• sold: 0

payments addedclutch:

• other
• credit card: Discover
• wallet: Paypal

general addedclutch:

• Transmission Drivetrain > Clutch Parts Kits > Additional Clutch Parts
• condition: New

returns addedclutch:

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

shipping addedclutch:

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

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