1. Alternators For Sale
  2. sku: 14006402827786611
  3. 400-40029

400-40029 Alternator 12-VOLT

fits year: 1970.

400-40029 J&n Alternator 12 V 70 A New

( Brand: J-n ), ( Manufacturer Part Number: 400-40029 ), ( Part Type: Alternator )

Review J N Alternator 12 New fits 1970

400-40029 Alternator - 12V, 70 Amps

The 400-40029 alternator is a powerful and efficient solution for charging your vehicle's battery while on the move. This 12-volt alternator delivers a robust 70 amps of output, ensuring that your battery remains charged even during heavy usage.

The alternator is designed with a durable cast aluminum housing, providing superior heat dissipation and protection against the elements. Its compact size makes it an ideal fit for various applications, including automobiles, boats, and other vehicles with a 12V electrical system.

The alternator features a robust brush system, ensuring smooth and reliable operation. The brushes are designed to minimize wear and tear, offering extended service life and reducing the need for frequent replacements. The alternator also comes with a diode rectifier, which converts the alternating current generated by the alternator into direct current for efficient battery charging.

This alternator is built to meet or exceed OEM specifications for fit, function, and performance. It comes with a comprehensive warranty, offering peace of mind and confidence in your purchase. Installing the alternator is a straightforward process, and it is compatible with most vehicles using a standard alternator mounting kit.

The 400-40029 alternator is an excellent choice for those seeking a reliable and durable charging solution for their vehicle. Its high output and robust construction make it a popular choice among auto enthusiasts, boat owners, and commercial fleet operators. Whether you're looking to upgrade your existing alternator or replace a faulty one, this alternator is an investment that will serve you well for years to come.

Buying a 400-40029 12V 70A Alternator: A Detailed Analysis

The 400-40029 alternator is a 12V, 70-ampere automotive alternator manufactured by Remanufactured OEM. In this analysis, we will discuss the key pros and cons of purchasing this alternator to help you make an informed decision.

Pros:

1. High Power: The 70-ampere output makes this alternator suitable for high-performance vehicles, heavy-duty applications, and electric accessories.

2. Remanufactured: This alternator is remanufactured, meaning it undergoes a thorough rebuilding process to restore it to its original specifications and performance.

3. OEM Compatibility: Being an OEM part, it ensures a perfect fit and compatibility with your vehicle, minimizing the risk of installation issues.

4. Competitive Pricing: Compared to a new alternator, a remanufactured one offers a more cost-effective solution without compromising performance.

5. Backed by a Warranty: The 400-40029 alternator comes with a 24-month unlimited mileage warranty, providing peace of mind to the buyer.

Cons:

1. Availability: Since it is a remanufactured part, availability may be limited compared to new alternators from dealerships or auto parts stores.

2. Delivery Time: Due to the remanufacturing process, delivery time for this alternator may be longer than for a new one.

3. No Customization: As an OEM part, it cannot be customized to meet specific application requirements.

4. Potential for Pre-existing Issues: Although remanufactured parts undergo rigorous testing, there is still a slight possibility that some pre-existing issues may not be detected and resolved during the refurbishing process.

Conclusion:

The 400-40029 12V 70A alternator offers a high-power, reliable, and cost-effective solution for your vehicle's charging system needs. Its OEM compatibility, competitive pricing, and comprehensive warranty make it an attractive choice. However, its limited availability and longer delivery times may be a concern for some buyers. Ultimately, if you prioritize performance, reliability, and cost savings, this alternator is a solid recommendation.

Recommendation:

If you are in the market for a high-performance 12V alternator and prefer the benefits of an OEM part, the 400-40029 alternator is an excellent choice. Be prepared for potential longer delivery times and consider ordering it well in advance to minimize any inconvenience.

Details:

Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Engineered using the latest technology to ensure product lasts longer in service. J N 400-40029 Alternator 12 V, 70 A, New: Part Number: Manufacturer. Made of high-quality components for durability, reliability, and performance.

Manufactured following strict OE standards to work like the original component. Designed specifically for trucks, trailers, and buses.

part #: 40040029 prices

  • $123.70-$245.04

specifications altnagen:

  • for years: 1970
  • brand: J-n
  • mpn: 400-40029
  • part type: Alternator

general altnagen:

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

seller altnagen:

  • city: Los Angeles, California
  • rating: 97.0%
  • # reviews: 51391

shipping altnagen:

  • service: Standard
  • transit: 4-8 Days
  • cost: $0.00
  • type: Fixed
  • class: Standard

returns altnagen:

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

offer altnagen:

  • best offers: True
  • options: Ship-to-home
  • started: July 11, 2025
  • availability: In Stock
  • sold: 0
  • quantity: 5

payments altnagen:

  • wallet: Google-pay
  • credit card: Diners-club
  • other
for years: 1970, part type: alternator,
category: auto parts > car truck parts accessories > starters, alternators, ecus wiring > alternators generators, sku: 14006402827786611,
J-n 400-40029 Is Similar To:
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5 offers $123.70–$245.04 USD
  • New. Offer #1 priced at $208.21 + $0.00 shipping estimate = $208.21* total. FREE SHIPPING
  • New. Offer #2 priced at $245.04 + $0.00 shipping estimate = $245.04* total. Arrowhead: APR0026, V439220; J&N Electrical Products: ; Lester: 12120; Mack Truck: 5000788833, 5000788834, 5010217362; Fits Motorola: 510-401, 9AR2692G, 9AR2694P, 9AR2992P, 9AR2994P; Paris Rhone: A13N245; Prestolite: 110-404; Renault: 5000788833, 5000788834, 5010217362; Fits Valeo: 2541616, 2929920, 2929940, 437182, 439220, 510401.FREE SHIPPING
  • New. Offer #3 priced at $123.70 + $0.00 shipping estimate = $123.70* total. NEW ALTERNATOR For MACK MIDLINER MS Series 1983-1991 w Renault Engine.FREE SHIPPING
  • New. Offer #4 priced at $245.04 + $0.00 shipping estimate = $245.04* total. FREE SHIPPING
  • New. Offer #5 priced at $189.48 + $16.99 shipping estimate = $206.47* total. Fan Location External. Mack MS Series (Midliner) 1983, 1984, 1985, 1986, 1987, 1988, 1989.+$16.99 shipping

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