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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!


Features Filters Down to 2 Microns Removes Up To 96% Of Contaminants Replace Every Other Oil Change Even Flow Lasts 2-3 Times Longer*...

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From Cummins Cummins

Cummins Upper Heater Hose - 3.25" long Cummins part number 4939438.

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Our high capacity spin on filter mount and filters combination allows us to get maximum filtration while maintaining higher pressures, higher volume, and...

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Went with an aftermarket kit and are tired of the oil drip and fumes? This fitting fixes all of that! Mounts your discharge line to your exhaust system,...

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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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From XDP Diesel XDP Diesel

Replace the oil filler cap on your 1998.5-2018 Dodge 5.9L & 6.7L Cummins with the XDP Cummins Billet Oil Cap With Breather XD333. The XD333 has been...

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From XDP Diesel XDP Diesel

Add the finishing touch to your 1998.5-2018 Dodge 5.9L/6.7L Cummins with the XDP Billet Oil Cap XD248. A direct replacement for the old, ugly factory cap,...

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Currently Backordered No ETA Cummins flexible locking engine oil dipsticks are designed to be able to mount the dipstick in any location including...


From XDP Diesel XDP Diesel

The XDP Heater Grid Delete is a simple and easy to install product designed to eliminate the restrictive stock intake heater grid on your 1998.5-2007 Dodge...

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Stainless steel 5/8" boost bolt tapped for 1/8" senders or fittings. Great for installation of boost gauges without having to drill and tap your manifold....

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From Cummins Cummins

This is the block heater element only, if you also need the cord, the cord part number is 3923050.

 Number 2 in picture only.

Cummins Part Number: 3975628

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