NATIONAL SX-4CZN Generator Commutator End Bearing Zj

( Brand: National ), ( Type: Generator Commutator End Bearing ), ( Placement On Vehicle: Electrical Charging Starting Alternator / Generator ), ( Manufacturer Part Number: SX-4CZN ), ( Item Length: 2.060 ), ( Manufacturer Warranty: 1 Year ), ( Ipn: C638 66-21 ), ( Compatible Year: 1969 1968 1967 1966 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine National Generator Commutator End Bearing )

Review NATIONAL Generator Commutator End Bearing Chevrolet Zj fits CAPRICE 1966–1969

National SX-4 CZN Generator Commutator End Bearing for 1966-1969 Chevrolet Caprice (ZJ)

The National SX-4 CZN Generator Commutator End Bearing is a critical component designed for use in the electrical systems of select Chevrolet Caprice models produced between 1966 and 1969, specifically those with ZJ engine codes. This important part ensures the smooth and efficient operation of your vehicle's generator, which is vital for powering various electrical components such as the lights, radio, and cooling fan.

This National SX-4 CZN Generator Commutator End Bearing is meticulously engineered to fit and function perfectly in your Chevrolet Caprice. It is manufactured using high-quality materials, ensuring durability and reliability. The bearing features a CZN (Copper-Leaded Bronze) composite material that is known for its superior electrical conductivity, heat resistance, and resistance to wear and corrosion.

The design of this bearing allows for easy installation, with no need for any extensive modifications to your vehicle's existing electrical system. It is important to note that this component should be replaced as a pair, as both bearings in the generator typically wear out at similar rates.

By choosing the National SX-4 CZN Generator Commutator End Bearing for your 1966-1969 Chevrolet Caprice, you can enjoy peace of mind knowing that you have a high-quality replacement part that will keep your vehicle's electrical system running at its best. This part is an essential investment in the long-term performance and reliability of your beloved classic Chevrolet Caprice.

Buying a national SX-4 CZN generator commutator end bearing for a 1966-1969 Chevrolet Caprice with a ZJ transmission involves some considerations. Here are the pros and cons of making this purchase:

1. Improved Performance: A worn-out commutator end bearing can cause voltage regulation issues and poor engine performance. Replacing it with a new one can help improve the overall performance of your vehicle's electrical system.

2. Longer Engine Life: A faulty commutator end bearing can cause damage to other parts of the engine if left unattended. By replacing the faulty part, you can help prevent further damage and extend the life of your engine.

3. Better Fuel Efficiency: A well-functioning electrical system can help improve fuel efficiency by ensuring that the engine's fuel injection system is operating optimally.

4. Reliability: A new commutator end bearing can help ensure the reliability of your vehicle's electrical system, reducing the likelihood of unexpected breakdowns.

1. Cost: The cost of a new national SX-4 CZN generator commutator end bearing can be relatively high, especially when compared to the cost of other automotive parts.

2. Installation Complexity: Installing a new commutator end bearing can be a complex process that requires specialized tools and knowledge. Some vehicle owners may prefer to have a professional mechanic handle the installation.

3. Availability: Finding a new national SX-4 CZN generator commutator end bearing for a 1966-1969 Chevrolet Caprice with a ZJ transmission may not be as easy as finding parts for more modern vehicles.

In conclusion, replacing a faulty national SX-4 CZN generator commutator end bearing for a 1966-1969 Chevrolet Caprice with a ZJ transmission can help improve the performance, longevity, and reliability of your vehicle's electrical system. However, the cost and complexity of the installation process may be a deterrent for some vehicle owners. Ultimately, if you notice signs of a faulty commutator end bearing, such as poor engine performance, voltage regulation issues, or unexpected breakdowns, it may be worth the investment to replace the faulty part. If you are not confident in your ability to install the part yourself, it may be best to consult a professional mechanic.

Details:

part #: sx4czn price

• $21.29

specifications addedclutch:

• for models: Caprice
• for makes: Chevrolet
• for years: 1966-1969
• brand: National
• type: Generator Commutator End Bearing
• placement on vehicle: Electrical Charging Starting Alternator / Generator
• manufacturer part number: SX-4CZN
• item length: 2.060
• manufacturer warranty: 1 Year
• interchange part number: C638 66-21
• compatible year: 1969 1968 1967 1966
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine National Generator Commutator End Bearing

seller addedclutch:

• rating: 99.6%
• # reviews: 641623
• city: Indianapolis, Indiana

returns addedclutch:

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

general addedclutch:

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

shipping addedclutch:

• class: Standard, Expedited
• type: Fixed
• service: Standard, Expedited
• cost: $0.00
• transit: 2-5 Days

payments addedclutch:

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

offer addedclutch:

• availability: In Stock
• options: Ship-to-home
• quantity: 5
• sold: 0
• started: April 6, 2026

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