3832556 Alternator for CAT C6.6, C4.4, 3054C & more

$189.50
In Stock • Ships Today • Order By 3pm ET
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Description for 3832556 Alternator

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This aftermarket Caterpillar 3832556 Alternator is built to meet U.S. OEM specifications for durability and performance. At Propel Parts, we perform strict quality checks to ensure it fits and functions like your original Caterpillar Alternator.
Direct Replacement: Engineered for a precise fit in Caterpillar equipment.
OEM-Spec Quality: Manufactured to match the performance of your original part.
Tested Reliability: Strict quality checks are performed before shipping.

Specification for 3832556 Alternator

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Replacement Part Number(s): 383-2556
Specifications: Aftermarket Part | US OEM Specs.
Shipping: Same Day (Weekdays) | Order by 3pm.
Warranty: Unlimited Mileage | 1 Year Warranty.
Core: No Core Required | No Core Charge.
Weight: 13.20 LBS | 5.99 KG
Dimensions: 9.06 x 9.06 x 9.06 (inches)
Condition: New

Exact Fit Guarantee for 3832556 Alternator

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Looking for a reliable replacement Caterpillar 3832556 Alternator ? Order with confidence through our Exact Fit Guarantee.
Verified Fit: Before we ship, we check your part against CAT SIS (Caterpillar Service Information System) to confirm it's the correct match for your machine.
Peace of Mind: If it isn't the right fit, we'll contact you with the correct Caterpillar part number before your order goes out.
Exclusive Guarantee: Enroll in our Exact Fit Guarantee at checkout to ensure you get the part you need the first time.
Reviews
Customer Reviews
★★★★★

Fabulous customer service!
We accidentally ordered twice the same item and Misty caught it and contacted us immediately to clarify. Fabulous service!!! Highly recommend!

★★★★★

Our CSR for Dymax Inc., Deb, has been extremely helpful and consistently provides quick, accurate information regarding parts and inventory. When we encounter difficulties finalizing transactions through the internal website, she is able to promptly generate quotes and provide an external, secure method for payment. Her responsiveness and willingness to assist play a key role in supporting our team’s success.

★★★★★

100% recommend it is a good parts by par for five years and everything is good

★★★★★

Customer service was great! There was a small problem with the part and they responded quickly and respectfully until was resolved! Highly recommended

★★★★★

Awesome service prices and quality parts

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Product Questions

Frequently Asked Questions

What is the function of the 3832556 alternator?

The 3832556 alternator is an electrical generator that produces and regulates electrical power for a machine’s battery and electrical systems. It ensures the battery stays charged, supports reliable starting, and powers lights, controls, and other electrical components while the engine runs.

How do I install the 3832556 alternator?

Here’s a general guide for proper installation:

  1. Turn off the engine and disconnect the battery before beginning.
  2. Remove belts and any obstructing components to access the old alternator.
  3. Disconnect the electrical connectors and mounting hardware from the old alternator.
  4. Remove the old alternator and clean the mounting area.
  5. Position the new 3832556 alternator and secure it with bolts to the torque specifications in your service manual.
  6. Reconnect all electrical connections and reinstall belts.
  7. Reconnect the battery, start the engine, and check for proper charging and no unusual noise.

Which machines or systems use the 3832556 alternator?

The 3832556 alternator fits various Caterpillar engines and equipment that require a 12-volt, 100-amp charging unit, including machines powered by C6.6, C4.4, and 3054C engines, such as models 416E, 414E, 422E, and other industrial applications. Please reach out to Propel Parts for help verifying fitment.

Does the 3832556 alternator meet performance expectations?

Yes, this 3832556 alternator is built to meet or exceed OEM specifications for durability and performance. Aftermarket units are often tested to deliver reliable charging capacity and fitment comparable to the original part, helping ensure your machine’s electrical system operates reliably.

How often should an alternator like the 3832556 be inspected or replaced?

Alternators should be inspected as part of routine electrical system maintenance or whenever electrical issues occur. Look for worn belts, loose connections, or corrosion. Replace the alternator if it fails to charge, emits unusual noise, or causes battery discharge.

What are common signs that the 3832556 alternator needs replacement?

Typical indicators include:

  1. Battery warning light or fault codes on the dashboard
  2. Dimming or flickering lights
  3. Dead or frequently discharged battery
  4. Slow starting or electrical failures

Why is using a quality alternator important for equipment performance?

A quality alternator ensures consistent electrical power delivery to the battery and electrical systems. This supports reliable engine starting, stable operation of lights and controls, and reduces the risk of electrical failures that can lead to downtime. Using parts that meet or exceed OEM expectations helps improve reliability, extend component life, and maintain overall machine performance.

Questions About this Part?
Have a question about fit, compatibility, shipping, warranty, or returns?
Compatible Models

This 3832556 Alternator is compatible with the following models:
C6.6, C4.4, 3054C, 416E, 414E, 422E, Industrial & more...

Shipping | Returns

shipping Shipping

We know equipment downtime costs money, so fast and reliable shipping is a priority at Propel Parts. Orders placed on weekdays before 3:00 PM ET typically ship the same day, with expedited delivery options available for many locations when time is critical.

We ship across the U.S., Canada, and over 130 countries worldwide, helping customers keep machines running wherever they operate. Available shipping methods and delivery estimates are shown at checkout so you can select the option that best fits your timeline.

Tracking information is emailed within 24–48 hours after your order is processed, giving you full visibility from dispatch to delivery and peace of mind that your parts are on the way.

easy returns no stress Easy Returns

Our refund policy is simple. We offer a 30-day, no-hassle return policy, and we make every effort to provide the best service and highest-quality parts possible. If you’re not fully satisfied with your purchase, you may return it within 30 days for a refund. Full details are available on our Returns Policy page.

warranty Warranty

Buy with confidence. All parts from Propel Parts are covered against material or manufacturer defects for 12 months from the original invoice date. We stand behind every part we sell, so you can count on reliable performance and dependable support. Full details are available on our Warranty Policy page.

Exact Fit Guarantee

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