βœ… Product Overview

A direct-replacement cast iron exhaust manifold​ for the Cummins 5.9L 6-cylinder diesel engine​ (6B, ISB, QSB, B5.9 series). This precision-engineered part is designed to match the original equipment's fit, function, and durability, resisting warping and cracking.

πŸ“‹ Specifications

Attribute​
Details​
Condition​
100% Brand New
Material​
Cast Iron
Fitment Type​
Direct Replacement
Engine Family​
Cummins 5.9L (6B, ISB, QSB, B5.9)
OEM Part Number (Examples)​
3943872, 3943875, 3942225, 3942259

βš™οΈ Application & Compatibility

  • Fits For Cummins 5.9L 6B ISB QSB B5.9

✨ Key Features

  • OEM Fit & Function:​ Precision-cast to duplicate the original part for correct alignment with the cylinder head and turbocharger.
  • Durable Construction:​ Made from high-quality cast iron designed to withstand extreme heat cycles without warping or cracking.
  • Restores Performance:​ Replaces a failed or leaking manifold to restore engine power, efficiency, and proper turbocharger operation.

πŸ“¦ Package Includes

  • 1x Exhaust Manifold Assembly
πŸ”ΈWe Process Your Order Within 1-2 Business Day upon Payment (Note: Not Counting Holidays or Weekends).
πŸ”ΉWe Only Ship to the Confirmed Address Provided by Ebay. Before You Pay, Please Make Sure Your Address in Ebay Matches the Address You Would like Us to Ship to.
πŸ”ΈWe Strive Our Best to Provide You the Most Reliable, Affordable Way of Shipping Service. but Sometimes Delivery Is Highly Depended on the Courier Company. If You Do Not Receive Your Item on Time, Please Contact Us Immediately for Further Assistance. Thank You for Your Understanding.

The Item Will Be Shipped Byusps First Class Shipping or Ups Surepost Shipping.
Delivery Time Depends on Destination and Other Factors. We Appreciate Your Patience and Understanding.


International Buyers Note:

1) Import Duties, Taxes and Charges Are Not Included in the Item Price or Shipping Charges. These Charges Are the Buyer ' S Responsibility.
2) Please Check with Your Country's Customs Office to Determine What These Additional Costs Will Be Prior to Bidding/Buying.

We Have Two Warehouses: (1) Ca: Rowland Heights, California and (2) Ky: Hebron; the Delivery Warehouse Will Ship Randomly. If You Have Special Needs, Please Note the Delivery Warehouse, We Will Try Our Best to Meet Your Needs, Thank You for Your Purchase.

βœ… Return Is Accepted Within 30 Days After the Buyer's Receiving the Item.
βœ… If You Need Return, Let Us Know the Detailed Problem and Send Us some Pictures for Confirmation. Then Get a Address for Return or Refund .but We Don't Accept Artificial Damage of the Items.
βœ… Manufacturer's Limited Warranty for Defective Items.

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