Valve Cover Gasket & Harness Assembly for 2006 - 2023 Dodge/RAM with 5.9L & 6.7L Cummins

Valve Cover Gasket & Harness for 2006–2023 Dodge/RAM 5.9L & 6.7L Cummins: SKU DODGE-VCGH-0623

On 2006+ Cummins-powered Dodge/Ram trucks, the valve cover gasket does more than just seal oil; it also houses the injector wiring harness that feeds power and signal to each injector under the cover. As these engines age, heat, vibration, and oil exposure can cause internal breaks and connection issues in the gasket harness assembly, leading to misfires, rough running, and injector circuit codes. This assembly provides a direct-fit, OEM-quality replacement to restore proper electrical continuity and keep your 5.9L or 6.7L Cummins running reliably.

Key Features & Benefits:

This valve cover gasket and harness assembly is engineered to match the factory Cummins layout and connector design, ensuring a straightforward swap with no cutting or splicing. The integrated harness is molded into the gasket body, protecting the wiring from chafing and helping maintain stable injector operation under high under-hood temperatures.

Benefits for diesel owners include:

• Reliable injector operation with restored electrical paths to each injector
• Reduced likelihood of random misfires, dead holes, or intermittent no-start conditions
• Cleaner, more consistent idle and improved drivability for work, towing, and daily use
• Preventive replacement before a failure leaves the truck down in the field or on the road

Fitment & Compatibility:

This assembly is designed for late 5.9L and all common-rail 6.7L Cummins light-duty truck applications.

• 2006–2007 Dodge Ram 2500/3500 with 5.9L Cummins (common-rail)
• 2007.5–2023 Dodge/Ram 2500/3500/4500/5500 with 6.7L Cummins turbo diesel (various GVWR trims)

Notes:

• Fits trucks using the integrated valve cover gasket/injector harness design (most 2006+ 5.9L and all 6.7L Cummins pickup applications).
• Not intended for medium-duty or industrial engines that use different valve cover and harness configurations.

Installation & Setup:

Installation is a straightforward bolt-on job for an experienced DIYer or any professional diesel shop, as it reuses the stock valve cover and mounting hardware. The old integrated gasket/harness is removed from the cylinder head, the sealing surface is cleaned, and this new assembly is laid in place with the factory-style injector and external connectors plugged in. No tuning or programming is required, as this part is a direct electrical replacement designed to maintain factory operation.

General Install Notes:

• Always disconnect batteries and follow basic electrical safety practices
• Inspect injector connectors and external harness plugs for corrosion or damage before reassembly
• Torque valve cover hardware to factory specifications and verify no pinched wiring