Engineered specifically for 2003 through 2018 Dodge Ram 2500 and 3500 trucks powered by the 5.9L and 6.7L Cummins 24-valve common-rail turbo diesel engine, the Fleece Performance Billet CP3 Nut Cover (FPE-CUMM-CP3-CVR) provides an attractive and leak-free solution for the front timing gear case. The factory engine uses a cheap, threaded plastic cap to seal the access port directly in front of the CP3 pump drive gear retaining nut. Over years of thermal cycles, engine heat, and maintenance removal, this stock plastic plug becomes brittle, easily rounds off, cross-threads, and weeps oil down the front engine cover and accessory drive belt.

Machined from high-grade billet aircraft aluminum and finished with a durable hard-anodized protective coating, the FPE-CUMM-CP3-CVR features Fleece’s signature open-spoke design that matches the aesthetics of Fleece dual-pump drive pulleys and engine accessories. Equipped with an integrated, oil-resistant O-ring seal, it provides an airtight, leak-free barrier that keeps engine oil in and dirt, moisture, and road contaminants out. Designed for a direct thread-in installation with zero modifications required, this cover delivers an enduring fix for front cover oil leaks while finishing off custom Cummins engine bays.

Key Features & Benefits

• Stops Front Timing Cover Oil Seepage: Permanently replaces the brittle factory plastic cap that warps, cracks, and leaks oil down the timing case.
• Signature Billet Spoke Aesthetics: Precision CNC-machined with Fleece’s custom spoke pattern to complement under-hood billet upgrades and pulleys.
• Durable Hard-Anodized Surface: Shields the billet aluminum against engine bay road salts, corrosive grime, high temperatures, and diesel fluids.
• Integral Leak-Free O-Ring: Comes equipped with a pre-fitted, oil-resistant rubber O-ring to ensure positive sealing against the timing housing.
• Prevents Stripped Threads & Rounding: Billet construction allows easy socket removal and installation without the rounding or stripping common to plastic plugs.
• 100% Direct Bolt-On Install: Threads directly into the factory gear case opening on all 2003–2018 common-rail engines with zero modifications needed.
• Zero Core Charge: Outright dress-up and maintenance component requiring no core deposit or return.

Technical Specifications

• Manufacturer / Brand: Fleece Performance Engineering
• Manufacturer Part Number / SKU: FPE-CUMM-CP3-CVR
• Alternative Part Numbers: FPECUMMCP3CVR / CUMM-CP3-CVR
• UPC: 840171216516
• Product Type: Front Timing Gear Cover CP3 Nut Access Cap / Plug
• Material: CNC-Machined Billet Aircraft Aluminum
• Styling Profile: Fleece Signature Custom Spoke Design
• Surface Finish: Corrosion-Resistant Hard Anodized
• Sealing Method: Integrated Viton/Nitrile Rubber O-Ring Included
• Truck Platform: 2003–2018 Dodge Ram 2500 & 3500
• Engine Platform: 5.9L & 6.7L 24V Cummins Common-Rail Turbo Diesel
• Core Requirement: None
• Warranty: Fleece Performance Engineering Limited Warranty

Vehicle Fitment & Technical Installation Notes

• 2003–2007 Dodge Ram 2500 / 3500 – 5.9L Cummins 24V Common-Rail Diesel
• 2007.5–2018 Dodge Ram 2500 / 3500 – 6.7L Cummins 24V Common-Rail Diesel
• Fits Model Years: 2003, 2004, 2004.5, 2005, 2006, 2007, 2007.5, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
• Installation Tip: Clean the front timing cover female threads thoroughly with a clean shop rag before threading in the billet cover. Lightly lubricate the integrated O-ring with fresh engine oil. Thread the cap in by hand to avoid cross-threading against the aluminum case, then snug firmly into place until the O-ring seals flat against the timing cover boss.