Billet Aluminum Tappet Cover

Upgrade or replace a leaking factory tappet cover on your Cummins engine with the G&R Diesel Billet Aluminum Tappet Cover. Compatible with VE, VP, and P-Pump applications, this premium cover delivers superior sealing, durability, and a clean professional appearance for both daily drivers and performance builds.

Premium Construction & Materials

CNC-machined from high-quality 6061 aircraft-grade billet aluminum, this tappet cover offers exceptional strength, corrosion resistance, and long-term reliability. It features a clean CNC-machined finish and includes all stainless steel hardware. A precision main sealing O-ring replaces the messy factory gasket or silicone for a reliable, leak-free seal to the engine block.

Key Features & Benefits

• Universal Fitment: Works with VE, VP44, and P-Pump Cummins engines without requiring cutting or grinding.
• Superior O-Ring Sealing: Includes a main sealing O-ring that eliminates common factory leak points for a cleaner, more dependable installation.
• Complete Hardware: Comes with 6 stainless steel socket head bolts for secure attachment.
• CNC Machined Finish: Delivers a professional, high-end appearance that enhances any engine bay.
• Garage-Friendly Design: Engineered for straightforward installation with common tools when proper procedures are followed.
• Oil Separator Option Available: The version with integrated oil separator (GRD59CM3002) features a built-in baffled catch can that helps retain oil in the crankcase and reduces oil mist.
• Braided Stainless Vent Line Option: More durable then regular rubber hose and adds for a cleaner look. Part number GRD59CM3003
  

Recommended Accessories

We recommend pairing this cover with the G&R Diesel Stainless Steel Vent Hose Kit for a cleaner, more professional installation and optimal crankcase ventilation.

Note for VP44 Applications (1998.5–2002): An optional ECM Mounting Hardware Kit is available to cleanly remount or relocate the ECM when using this billet cover. Part number GRD59CM3010

Applications

• Cummins engines with VE, VP44, or P-Pump injection systems (primarily 1989–2002 5.9L)

Why Choose the G&R Diesel Billet Tappet Cover?

Factory tappet covers are a frequent source of oil leaks due to outdated gasket designs. This billet upgrade solves that issue with robust 6061 aluminum construction, modern O-ring sealing, and optional oil separation. Whether you’re addressing a chronic leak, refreshing a daily driver, or building a high-performance Cummins, this cover provides improved reliability, cleaner operation, and a distinctive look. Designed and manufactured with the quality and attention to detail expected from G&R Diesel.

Part Numbers:

• GRD59CM3001 – Standard Billet Tappet Cover
• GRD59CM3002 – Billet Tappet Cover with Oil Separator

This cover pairs well with other G&R Diesel Cummins components for a complete, cohesive engine bay upgrade.