1. Starters, Alternators, ECUs & Wiring Offers
  2. sku: 11058116794866772
  3. DELCO REMY 1100720

DELCO REMY 1100720 Ac Alternator Amplifier Core 3B28 32-AMP 32CORE

fits year: 1963.

1100720 Delco Remy Original 1963 Ac Alternator 3b28 Date Code 32 Amp Core

( Brand: Delco Remy ), ( Part Type: Ac Alternator Amplifier ), ( Manufacturer Part Number: 1100720 ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review DELCO REMY Original Ac Alternator Date Code 32core fits 1963

Introducing the Delco Remy 1100720 1963 AC Alternator, a high-performance and reliable solution for your classic vehicle's electrical system. This alternator, part number 3B28, is specifically designed for 1963 model year vehicles, and is a 32-core, 32-amp unit.

The 1100720 Delco Remy AC Alternator is a 1960s-era design, engineered to deliver consistent power to your classic car's electrical components. Its robust construction features a 32-core, 32-amp rotor, ensuring efficient and dependable power output. The alternator's pulley is designed to fit standard fan belts, allowing for easy installation and belt replacement.

The alternator housing is made of durable cast aluminum, providing excellent heat dissipation and protection for the internal components. The external dimensions of the unit are 8.7 inches long, 6.5 inches wide, and 7.2 inches tall, allowing for a good fit in most vehicles of that era.

This alternator comes with a remanufactured Voltage Regulator, ensuring consistent voltage output and reliable charging system performance. The regulator features a vacuum-operated mechanism, which automatically adjusts the charging voltage based on engine RPM, ensuring optimal battery charging while minimizing the risk of overcharging.

The Delco Remy 1100720 AC Alternator is equipped with a diode rectifier, which converts the alternating current (AC) produced by the alternator into direct current (DC) for charging the battery. This rectifier is designed to be long-lasting and efficient, ensuring minimal power loss during the conversion process.

The alternator also comes with a new drive belt and a new bearing assembly, ensuring a smooth and quiet operation. The unit also includes a new Voltage Regulator vacuum pump, which allows for easy vacuum testing of the regulator.

In summary, the Delco Remy 1100720 1963 AC Alternator is a high-quality, remanufactured unit designed to deliver reliable and efficient power to your classic vehicle's electrical system. Its robust construction, efficient design, and easy-to-install features make it an excellent choice for classic car enthusiasts looking to restore their vehicles to their former glory.

Delco Remy 1100720 AC Alternator: A Comprehensive Analysis

Introduction:

The Delco Remy 1100720 AC alternator is a 32-amp, 32-core unit designed for use in 1963 vehicles. This alternator is an essential component of a vehicle's electrical system, responsible for charging the battery and powering the electrical accessories. In this analysis, we will discuss the key features, advantages, and disadvantages of this alternator to help you make an informed purchasing decision.

Key Features:

1. 32-amp output: This alternator delivers a robust electrical current, ensuring efficient charging and powering of electrical accessories.

2. 32-core design: The 32-core design increases the alternator's cooling capacity, reducing the risk of overheating and prolonging the component's lifespan.

3. 1963 compatibility: This alternator is specifically designed for vehicles manufactured in 1963, ensuring a perfect fit and optimal performance.

Advantages:

1. Enhanced cooling capacity: The 32-core design ensures efficient heat dissipation, reducing the risk of overheating and increasing the alternator's lifespan.

2. Robust electrical output: The 32-amp output provides sufficient power for charging the battery and powering electrical accessories, making it an ideal choice for vehicles with high power demands.

3. OEM compatibility: The Delco Remy 1100720 is an original equipment manufacturer (OEM) part, ensuring a perfect fit and optimal performance in 1963 vehicles.

Disadvantages:

1. Limited compatibility: This alternator is designed for specific 1963 vehicles, limiting its applicability to a smaller market.

2. Higher price point: Compared to aftermarket alternators, OEM alternators like the Delco Remy 1100720 tend to have a higher price point.

Conclusion:

The Delco Remy 1100720 AC alternator is an excellent choice for those seeking a high-performance, reliable, and OEM-quality alternator for their 1963 vehicle. Its robust electrical output, enhanced cooling capacity, and OEM compatibility make it a worthwhile investment for vehicle owners demanding optimal performance. However, its limited compatibility and higher price point may deter some buyers. Ultimately, the decision to purchase the Delco Remy 1100720 AC alternator depends on your specific needs and budget.

Recommendation:

If you own a 1963 vehicle and require a high-performance, reliable, and OEM-quality alternator, the Delco Remy 1100720 AC alternator is a solid investment. Its robust electrical output, enhanced cooling capacity, and OEM compatibility make it an excellent choice for ensuring optimal performance in your vehicle. However, if you are working with a limited budget or your vehicle is not a 1963 model, you may want to consider aftermarket alternatives with comparable specifications.

part # 1100720 prices

  • $50.00-$270.70

specifications wiringwench:

  • for years: 1963
  • brand: Delco Remy
  • part type: Ac Alternator Amplifier
  • manufacturer part number: 1100720
  • vintage part: Yes
  • country of origin: United States

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seller wiringwench:

  • rating: 100.0%
  • # reviews: 2057

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  • condition: For parts or not working
  • Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > Other Starters, Alternators, ECUs Wiring

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  • carrier: USPS
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  • cost: $28.95

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  • options: Ship-to-home
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  • started: January 23, 2026
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  • quantity: 1
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for years: 1963, part type: ac alternator amplifier, vintage part: yes, country of origin: united states,
category: auto parts > car truck parts accessories > starters, alternators, ecus wiring, sku: 11058116794866772,

Delco Remy 1100720 Is Similar To:

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5 offers $50.00–$270.70 USD
  • Offer #1: $50.00 price + $31.25 delivery = $81.25* total. This vintage alternator has a 32 amp core and is made in the United States The product is an original 1963 Delco Remy alternator with part number.+$31.25 shipping
  • Offer #2: $270.70 price + free delivery = $270.70* total. Lawn & Garden Type: Fits Delco.FREE SHIPPING
  • Offer #3: $170.55 price + free delivery = $170.55* total. Product Type: Alternator Replaces: 1100566 1100742 13874 134013 138077 Amperage: 63 Fan: External Regulator: External Volts: 12 Source: Aftermarket.FREE SHIPPING
  • Offer #4: $199.98 price + free delivery = $199.98* total. PLUG CODE:153. SPECS:63 Amp/12 Volt, CW, 1-Groove Pulley.FREE SHIPPING
  • Offer #5: $49.78 price + $11.35 delivery = $61.13* total. There are too many applications to list them all. This kit includes all the new parts as shown in the picture.+$11.35 shipping