REMY 21039 Alternator 10463140 89-97 P30 P3500

( Brand: Remy ), ( Manufacturer Part Number: 21039 ), ( Type: Alternator ), ( Manufacturer Warranty: 1 Year ), ( Country Of Origin: Mexico ), ( Ipn: 10463140 )

Review REMY Premium Alternator 89-97 Chevrolet Gmc P30

The REMY 21039 alternator is a high-quality replacement component designed specifically for Chevrolet and GMC vehicles from the 1989 to 1997 model years, including P30 and P3500 series. This alternator is engineered to deliver superior performance and reliability, ensuring a trouble-free driving experience for your vehicle.

The REMY 21039 alternator is manufactured with a robust and durable design, featuring a premium cast aluminum housing that is both lightweight and strong. It comes equipped with a robust rotor and a high-output stator, providing ample power to keep your vehicle's electrical systems functioning optimally. The alternator also includes a heavy-duty diode rectifier, ensuring efficient power conversion and reliable charging performance.

This alternator is designed to meet or exceed original equipment specifications, ensuring a precise fit and reliable operation. It is also tested to stringent industry standards, ensuring that it meets the highest quality requirements. The REMY 21039 alternator comes complete with all necessary mounting hardware, making installation easy and straightforward.

The REMY 21039 alternator is also designed with durability in mind, featuring a sealed bearings design that keeps out contaminants and helps prolong the life of the alternator. It is also equipped with a robust drive belt pulley, ensuring a secure and reliable connection to the drive belt.

In summary, the REMY 21039 alternator is a top-of-the-line replacement component for your Chevrolet or GMC vehicle from the 1989 to 1997 model years. Its robust design, superior performance, and reliable operation make it an excellent choice for drivers who demand the best from their vehicles' electrical systems. With its precise fit, easy installation, and durable construction, the REMY 21039 alternator is the perfect solution for keeping your vehicle running at its best.

The REMY 21039 alternator is a popular replacement option for the 89-97 Chevrolet and GMC P30/P3500 trucks. Here are some pros and cons that can help you make an informed decision about whether to purchase this alternator:

1. OEM-equivalent performance: The REMY 21039 alternator is designed to deliver the same level of output and reliability as the original equipment manufacturer (OEM) alternator, ensuring proper charging system functionality.

2. Durable construction: This alternator features a robust design with a cast aluminum housing, heavy-duty bearings, and a robust rotor and stator, ensuring long-lasting performance.

3. Wide compatibility: The REMY 21039 alternator is compatible with a wide range of applications, making it a versatile choice for many trucks and SUVs.

4. Easy installation: The alternator comes with all necessary hardware for installation, and the design is similar to the OEM alternator, making the installation process straightforward and hassle-free.

5. Competitive pricing: Compared to OEM alternators, the REMY 21039 alternator offers a more affordable price point without compromising on performance or quality.

1. Potential for a slight vibration: Some customers have reported experiencing a slight vibration from the alternator after installation. While this is not a common issue, it's worth noting.

2. Requires a new serpentine belt: When installing a new alternator, it's recommended to replace the serpentine belt as well to ensure optimal performance and longevity of the new component.

3. May require additional labor costs: Depending on your mechanical skills and the availability of tools, the installation process may require additional labor costs if you choose to have the alternator installed by a professional mechanic.

The REMY 21039 alternator is a reliable and cost-effective replacement option for the OEM alternator in 89-97 Chevrolet and GMC P30/P3500 trucks. Its durability, OEM-equivalent performance, and wide compatibility make it a popular choice among mechanics and DIY enthusiasts. While there are some minor cons to consider, such as the potential for slight vibration and the need for a new serpentine belt, the overall benefits of this alternator outweigh the drawbacks.

If you're in need of a new alternator for your 89-97 Chevrolet or GMC P30/P3500 truck, the REMY 21039 alternator is an excellent choice. Its combination of affordability, reliability, and compatibility make it a top pick for both professional mechanics and DIY enthusiasts. Just be sure to factor in the cost of a new serpentine belt and any potential labor expenses during the installation process.

Details:

Original packaging. SPECIFICATIONS: Amperage Rating: 105 68. Regulator Type: Internal. Fan Type: External.

Delco-Remy 10463140. voltage : 12 2H. Placing an order outside the US is easy.

New or Remanufactured: Remanufactured. Remy 21039 Premium Alternator For 89-97 Chevrolet GMC P30 P3500: Premium-Quality Remanufactured designed Dependability And Reliability Throughout The Service Life Of Vehicle. Pulley Included: Yes. All accessories hardware.

Rotation Direction: Clockwise. OE Manufacturer: Delco/Delphi.

part #: 21039 prices

• $87.57-$160.97

specifications altnagen:

• for makes: Chevrolet, Gmc
• brand: Remy
• mpn: 21039
• type: Alternator
• manufacturer warranty: 1 Year
• country of origin: Mexico
• ipn: 10463140

seller altnagen:

• rating: 99.4%
• city: Miami, Florida
• # reviews: 146227

returns altnagen:

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

offer altnagen:

• options: Ship-to-home
• availability: In Stock
• quantity: 2
• started: February 15, 2026
• sold: 0

shipping altnagen:

• transit: 5-9 Days
• class: Standard
• type: Fixed
• service: USPS First Class
• carrier: USPS
• cost: $0.00

payments altnagen:

• credit card: Mastercard
• wallet: Google-pay
• other

general altnagen:

• Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > Alternators Generators
• condition: Remanufactured

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