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      Cummins 3903309 Flywheel Ring Gear
      Cummins 3903309 Flywheel Ring Gear
      Cummins 3903309 Flywheel Ring Gear
      Cummins 3903309 Flywheel Ring Gear
      Cummins 3903309 Flywheel Ring Gear
      Cummins 3903309 Flywheel Ring Gear
      Cummins 3903309 Flywheel Ring Gear
      Cummins 3903309 Flywheel Ring Gear
      Cummins 3903309 Flywheel Ring Gear
      Home / 3903309 Flywheel Ring Gear

      3903309 Flywheel Ring Gear

      for Cummins Engine ISB ISD QSB 4B3.9 6B5.9 N14 ISBE QSB4.5 QSB6.7 ISL
      Save 25% $83,708 CLP $112,037 CLP
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      $83,708 CLP each
      Inventory quantity : 0
      Description

      The 3903309 Flywheel Ring Gear is engineered for Cummins engines, including ISB, ISD, QSB, 4B3.9, 6B5.9, N14, ISBE, QSB4.5, QSB6.7, and ISL models. Precision manufacturing ensures reliable performance and durability for heavy-duty engine applications.

      Frequently Asked Questions
      PAYMENT
      Why did my credit card payment fail?

       If you have entered your credit card information correctly and have sufficient available credit, your payment may have failed due to one of the following reasons:

      • The same credit card has been used for more than one payment within 24 hours in our online store.

      • The payment amount exceeds $3000 USD.

      If either of these reasons applies, please make the payment via PayPal or wait 24 hours before attempting the payment again.
      For orders exceeding $3,000 USD, please make payment via T/T. If you need our assistance, please feel free to contact us at any time. Email: sale@scsparts.com

      PARTS
      I'm not sure if this part fits my engine.
      Please contact our customer service. We will help you identify or find the parts that fit your engine.
      I need other numbered parts, but they are out of stock in your store.

      You didn't want this part? Please contact us

      If you can't find what you're looking for in store, it doesn't mean we're out of stock.

      The possible reasons are:

      • The product was not put on the shelves in time 
      • The product link was invalid 
      • The keyword you searched for was incorrect 
      • Your part number/machine model/serial number was incorrect. 
      • Category restrictions, more optional models cannot be uploaded.

      Therefore, please be sure to contact our customer service to inquire whether the goods you need are actually in stock. I am confident that we can provide the products you need.

      SHIPPING
      How long does it take to ship after payment？
      After you make the payment, we usually need 1-3 business days to stock up and we will ship it to you. If the parts you purchased are relatively rare, we will need longer time to stock them, but we will inform you via email.
      When can I receive the parts?
      We entrust international express delivery to transport the package.
      • Items weighing less than 30kg，the delivery time to United States is 3-8 natural days.For items weighing more than 30kg, the delivery time is 3-25 natural days.
      •  
      • The delivery time to South America and Canada is 4-15 natural days.
      • The delivery time to Southeast Asia is 3-9 natural days.
      • The delivery time to the EU is 3-12 natural days.
      • The delivery time to the Middle East is 5-20 natural days
      • The delivery time to Japan and South Korea is 3-5 natural days.
      Of course, this is the estimated time given to us by the logistics company. The delivery time is also affected by weather/natural disasters/holidays/wars, etc.It also depends on the level of development of your local logistics industry.
      Do I have to pay customs duties when shipping to the US?
      For the United States, we use DDP logistics solutions. You don't have to pay extra for the order amount.
      Click to view details.
      How to track packages?
      After delivering the package, we will provide a tracking number. You can click on this link to check this tracking number.
      After-sales
      I purchased incorrect parts. Can I return the item for a refund?
      We understand that you may have purchased incorrect parts, so we allow you to return or exchange them. But before returning, please confirm that the item is in the following condition:
      • The item is the one we are shipping to you
      • Not used or damaged
      After confirming that the above two conditions are met, please make a return or exchange on our online store.
      Please note that a processing fee applies to cancelled orders and refunds.
      *We suggest that you contact our customer service for assistance before making a purchase if you are unsure of the part number.

      For more details on returns and exchanges, please read our return policy.