SKU: 6278430731

4BT 3.9L Long Block Assembly | 51ZS079 3933352 Cummins Application

$2699.99 $2999.99
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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28

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Description

4BT 3.9L Long Block Assembly | 51ZS079 3933352 Cummins ApplicationThis 4BT 3. 9L Long Block Assembly is a premium replacement solution designed for Cummins applications. Featuring the 51ZS079 block casting and 3933352 head casting, this long block assembly is engineered for performance, reliability, and durability in various industrial and commercial settings. Whether you're rebuilding heavy equipment, machinery, or a vehicle powered by Cummins engines, this brand new long block provides the foundation for efficient

This 4BT 3.9L Long Block Assembly is a premium replacement solution designed for Cummins applications. Featuring the 51ZS079 block casting and 3933352 head casting, this long block assembly is engineered for performance, reliability, and durability in various industrial and commercial settings. Whether you're rebuilding heavy equipment, machinery, or a vehicle powered by Cummins engines, this brand-new long block provides the foundation for efficient and dependable operation. Designed for a perfect fit and manufactured to the highest standards, it delivers superior functionality and long-term performance.

Part Number: 51ZS079
Manufacturer: CUMMINS
Weight: 750 lbs

Additional Details:
Genuine OEM Parts

Please research/ensure fitment of part to your specific vehicle before purchasing. Returns because of non-fitment are accepted with a re-stocking fee, however customer is responsible for return shipping.

Shipping:
If shipping outside the contiguous 48 states is required, reach out to [email protected] to confirm shipping details.

About Us:
Custard Core Supply provides the highest quality of new, new take off, used, and core parts. We provide a variety of gas and diesel parts to our customers. Based in Dallas, TX Custard Core Supply has been in business since 1998. If you do not see a product you are looking for on our page, please reach out!


 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 6278430731

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4.5 ★★★★★
Based on 20 reviews
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Product Reviews
D
Verified Purchase
Debbie Lynn Elder
Lowell, US
★★★★★ 5
Great Little Bar of Soap
Size: 3.50 Ounce (Pack of 2)
I suffer from atopic dermatitis. This little bar of soap works wonders. Only been using it for less than a week. I already see great improvement with my skin. Leaves skin smooth and less flaky. Great value for the price. It is nice it comes with two bars. Will definitely purchase again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 9, 2025
E
Verified Purchase
E Powell
Lake Worth, US
★★★★★ 3
I may buy it again
Size: 3.5 Ounce (Pack of 1)
I do like this soap but my skin is still very dry. It does not irritate my skin so that is a plus. I think another person asked if its one or two bars to an order. the answer is one bar. In still deciding if I will order it again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 24, 2019
H
Verified Purchase
Harold
Draper, US
★★★★★ 5
Fast Relief
Size: 3.5 Ounce (Pack of 1)
Marie Originals Eczema Bar provided me with quick results for my Atopic Dermatitis. My skin feels clean, soft, and moisturized, and the itch is gone.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 24, 2025
A
Verified Purchase
Amazon Customer
West Palm Beach, US
★★★★★ 1
Waste of money for me
Size: 3.5 Ounce (Pack of 1)
I brought this product to see if it would help my 1 year old skin because she have a lot of break out and her break out gets badly inflamed and puffy. I try this product and it actually made it worse. It say it help for itching but my child itching increase. It dry up her skin and left like a chalky feel on the skin. I really wish I could get my money back.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 14, 2025
N
Verified Purchase
Niva
New York, US
★★★★★ 5
Miracle in a bottle!!
I NEVER give reviews but for this I had to!! I purchased this bottle and used a bit on my niece who is 3 years old because she also has sinus issues. It helped her immediately!! I threw it in my purse and never used it on myself and forgot about it. I have been having really bad Asthma flare ups for the past 2 months with tightness in my chest, severe bloating and phlegm for days! I was on albuterol, prescription cough medicine, Z pack and prednisone it helped a little but never got rid of it. My sinus and allergies were bad as well!! I was just suffering terribly!! A few days later after I used it on my neice my asthma worsened to the point I almost went in to ER because it was so bad. I remebered it so I pulled it out of my bag rubbed it on my back, chest, neck and my forehead. I cannot tell you enough the immediate relief I felt!! I was finally able to sleep well that night and today I did not have to use my asthma machine at all!! Idk what this lil bottle did but it worked like a lil miracle on me!! THANK YOU FOR THIS PRODUCT!! I have already ordered MORE!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 11, 2022

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