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External Engine Parts

Grid heater delete, radiator hoses, breathers, and more! From Cummins, Glacier Diesel, BD Power, Banks, and Mopar.

2003-2007 Dodge Cummins external engine upgraded and replacement parts.

Fits 2003-2007 Dodge 5.9L Commonrail Cummins
By: Hellmann Performance

Running lots of boost? Oil leaks from the crankcase breather system on your Common Rail Cummins engine? Tired of your engine bay looking plain? Enter the Hellmann Performance Billet Valve Cover – solve all of these problems at once. This valve cover was originally introduced to solve issues stemming from high boost applications and a very restrictive crankcase breather system. The OEM crankcase breather seals are prone to failure, and spread oil all over the engine bay. The Hellmann Performance Valve Cover System uses dual ¾ inch crankcase pressure outlet lines (rear of valve cover) to flow into a custom fabricated oil catch can. The bottom of the catch can is designed to return all oil back into the oil pan by utilizing the factory oil return location. 

The Hellmann Performance Billet Valve Cover System includes the Valve Cover, constructed of aircraft grade T6 billet aluminum, the custom fabricated catch can, crankcase breather lines, hose extension (to tie into factory oil return line), clamps, fittings and all mounting hardware. The Hellmann Performance Billet Valve Cover Systems are designed for 2003-Present Dodge 5.9L / 6.7L Cummins Turbo Diesel engines. 

03-04.5 Trucks Have the "Wavy" valve cover like pictured.
If your 04.5-07 Truck has the straight edge valve cover, select the 05+ option below please.

Includes billet oil fill cap!

Substantially more crankcase ventilation for high horsepower applications.

Please allow 5-7 business days before shipment!


The aluminum oil cap is designed to fit all OEM valve covers for Cummins 24 valve engines 98.5+, as well as the Hellmann Performance Billet Valve Cover. It...

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Help Eliminate Excessive Crank Case Pressure With The PDP Oil Cap Breather Kit! We made a replacement for the current breathers on the market that did...


Installing a new exhaust manifold, or simply removing a stock or aftermarket manifold to change gaskets? If so, you'll find that it is a real hassle to keep...


Features Pump to Pump Design for Ease of Installation, Better Looks, and More Efficiency Custom Billet Wheel (with optional polishing) Custom...


Part is item #2 in the picture only. Part Number: PDP4090102


From Bosch Bosch

Old Style Fuel Connector Tube for 2003-2007 Cummins 5.9L Diesel Includes O-rings. *Price is for one, 6 are needed for complete set. Bosch...

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Custom Side Draft Intake Manifold for the 03-18 Cummins 5.9L or 6.7L Features: Equal Air Distribution Outflows Competitors...

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