1. Alternators For Sale
  2. sku: 15543483621544771
  3. STENS 400-12476

STENS 400-12476 Alternator Alt 21SI 12V 145A

400-12476 Stens Alternator 21si 12v 145a Alt

( Brand: Stens ), ( Manufacturer Part Number: 400-12476 ), ( Part Type: Alternator )

Review STENS Alternator 12v 145a Alt

The STENSTROM 400-12476 is a high-performance 12V, 145A alternator designed for the 21SI series engines. This alternator is a crucial component of your vehicle's charging system, responsible for converting mechanical energy from the engine into electrical energy to power the vehicle's electrical systems and recharge the battery.

This alternator boasts a robust and durable design, with a sturdy cast aluminum housing that effectively dissipates heat for optimal performance. The alternator features a triple-diode rectifier that ensures efficient charging of the battery, while also supplying power to the vehicle's electrical systems. The diode design also helps to prevent reverse current flow, which can damage the battery over time.

The alternator is equipped with a regulator that maintains a consistent voltage output, ensuring that the battery is charged efficiently and effectively. The regulator also prevents overcharging, which can damage the battery and shorten its lifespan. The alternator comes with a 3-year warranty, providing peace of mind to the customer.

The alternator's pulley is designed to fit standard serpentine belts, making it a convenient and easy-to-install replacement. The alternator is also sealed against the elements, ensuring that it remains protected from the harsh conditions that it may encounter on the road.

This alternator is a direct fit for the STENSTROM 21SI series engines and is an excellent choice for those seeking reliable and efficient charging system performance. With its robust design, efficient charging capabilities, and convenient installation process, the STENSTROM 400-12476 is an ideal replacement alternator for your vehicle.

The Stens 400-12476 alternator is a 12V, 145A alternative designed for use in various small engine applications. Here are some pros and cons that may help you make an informed decision about purchasing this alternator:

Pros:

1. High Output: With a 145A rating, this alternator can effectively charge the battery and provide sufficient power for demanding applications.

2. Durable Construction: The alternator housing is made of cast aluminum, making it resilient to damage and corrosion.

3. Versatile Application: This alternator is compatible with a wide range of small engine applications, including lawn mowers, snow blowers, and other power equipment.

4. Easy Installation: The alternator comes with mounting brackets and a wiring harness, making installation relatively straightforward.

Cons:

1. Price: The Stens 400-12476 alternator is more expensive than some other alternatives on the market.

2. Size: This alternator is larger than some other options, which may make it less suitable for applications where space is a concern.

3. Weight: At around 10 pounds, this alternator is heavier than some other options, which could be a consideration for those who need to transport it frequently.

In conclusion, the Stens 400-12476 alternator is a high-performance option that is well-suited for demanding applications where a large amount of power is required. Its durable construction, easy installation, and versatile application make it a solid choice for those who need a reliable alternator for their small engine equipment. However, its higher price point, size, and weight may be drawbacks for some buyers. Ultimately, the decision to purchase this alternator depends on your specific needs and budget. If you require a high-output alternator for demanding applications, the Stens 400-12476 is an excellent choice. However, if you're looking for a more budget-friendly or compact option, you may want to consider other alternatives.

Details:

J180 Hinge length 197.87. Fan Location External. Regulator Clock 12:00. Regulator Location Internal.

Quality Type Standard. Polarity Negative. 21SI 12V 145A AltLester8029, 8035, 8037, 8038FamilyDelco Clock Alternator Alt: Alt Lester 8029, 8038.

part #: 40012476 prices

  • $178.49-$182.99

specifications altnagen:

  • brand: Stens
  • mpn: 400-12476
  • part type: Alternator

shipping altnagen:

  • service: Standard
  • transit: 5-11 Days
  • cost: $0.00
  • type: Fixed
  • class: Standard

offer altnagen:

  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • started: September 27, 2025

seller altnagen:

  • # reviews: 81847
  • rating: 98.6%
  • city: Levittown, Pennsylvania

payments altnagen:

  • other
  • wallet: Paypal
  • credit card: Visa

returns altnagen:

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

general altnagen:

  • condition: New
  • Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > Alternators Generators
part type: alternator,
category: auto parts > car truck parts accessories > starters, alternators, ecus wiring > alternators generators, sku: 15543483621544771,
Stens 400-12476 Is Similar To:
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2 offers $178.49–$182.99 USD
  • New. Offer #1 priced at $178.49 + $0.00 shipping estimate = $178.49* total. STENS : . STENS OEM REPLACEMENT ALTERNATOR FOR DELCO REMY 12V 145A.FREE SHIPPING
  • New. Offer #2 priced at $182.99 + $0.00 shipping estimate = $182.99* total. STENS : 400-12198. STENS OEM REPLACEMENT ALTERNATOR FOR DELCO REMY 24V 70A.FREE SHIPPING

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