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Cummins 3966805 Genuine Fuel Injector Wiring Harness
Cummins

Cummins 3966805 Genuine Fuel Injector Wiring Harness

SKU: CUM3966805

$132.97

๐Ÿ”” Important Notice: This product may be temporarily out of stock. Orders are still accepted, but additional processing time may be required before shipping. Contact us to confirm current availability.

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Cummins 3966805 Genuine Fuel Injector Wiring Harness restores proper electrical connection to the fuel injectors on 2003โ€“2005 5.9L Cummins engines. Three individual harnesses live under the valve cover and are exposed to heat, oil, and vibration, which can cause intermittent or failed injector operation over time.

Features

  • OE replacement fuel injector sub-harness
  • Direct-fit, genuine Cummins part
  • Sold individually โ€” three (3) required per engine

Fitment

  • 2003โ€“2005 Dodge Ram 2500/3500 with 5.9L Cummins

๐Ÿ“Œ Before You Complete Your Purchase โ€” please review the important information below regarding product accuracy, pricing, inventory, and return policies.

Terms & Conditions

While we strive for accuracy, FrankBUILT Performance does not warrant that product descriptions, prices, or other content is error-free. Prices are subject to change without notice. In the event of an error, we reserve the right to cancel or correct any order. Inventory availability is not guaranteed.

Shipping & Returns

It is the customer's responsibility to verify product fitment before placing an order. If you receive the wrong item due to an error in our listing, we will work to resolve the issue. Returns may be subject to a restocking fee. Items must be unused and in original packaging.
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2-Year Warranty

FrankBUILT transmissions only - unlimited miles

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