Holley Cast Aluminum Gen III Hemi Swap Oil Pan

1987–2004 Dodge Dakota / 1974–1993 Dodge Ramcharger Gen III Hemi Engines

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Overview:

The Holley Cast Aluminum Gen III Hemi Swap Oil Pan is engineered specifically for Mopar enthusiasts looking to install Gen III Hemi engines into classic Dodge Dakota and Ramcharger trucks. These popular engines are known for their durability, reliability, and impressive power output, but their factory oil pans often pose fitment challenges during swaps, hanging too low or not aligning properly with the chassis. Holley’s solution is a precision-designed, cast aluminum rear-sump oil pan that addresses these issues while providing enhanced oil control and a clean, leak-free installation.

This oil pan kit is ideal for builders and restorers who want a high-quality, complete solution that fits perfectly without the need for costly modifications or additional parts. It supports engine strokes up to 4.06 inches and integrates features that improve driveline strength and protect critical components from dirt and debris.

Key Features:

Designed to meet the unique demands of Gen III Hemi engine swaps, this oil pan kit offers a range of advanced features:

• Complete oil pan kit including oil pan, pickup assembly, O-ring seal, windage tray, baffling, and mounting bolts—no extra parts needed
• Cast aluminum rear-sump design tailored for 1987–2004 Dodge Dakota and 1974–1993 Dodge Ramcharger applications
• Patent-pending unique O-ring seal combined with a captured integrated windage tray to ensure a leak-free seal
• Integrated windage tray and baffling system to control oil movement and reduce windage losses, compatible with up to 4.06-inch stroke engines
• Natural as-cast aluminum finish for a durable, corrosion-resistant surface that complements engine aesthetics
• Compatible with most factory and aftermarket dipsticks for easy oil level monitoring
• Integrated lower support bolts that secure the engine block to the transmission or bellhousing, enhancing driveline strength and reducing vibration
• Lower bellhousing coverage to protect driveline components from dirt, debris, and contamination

Construction & Design:

Crafted from high-quality cast aluminum, this oil pan combines lightweight durability with superior heat dissipation properties. The natural as-cast finish preserves the metal’s integrity while providing a rugged appearance suitable for engine bays of all styles. The integrated windage tray and baffling are engineered to optimize oil control, minimizing oil aeration and ensuring consistent lubrication under high-performance conditions. The patent-pending O-ring sealing system offers a reliable, leak-resistant interface between the oil pan and engine block, eliminating the need for traditional gaskets that can degrade over time.

Additionally, the design incorporates structural support features that bolt the engine block securely to the transmission or bellhousing, increasing overall driveline rigidity and reducing the risk of misalignment or damage during operation.

Installation & Fitment:

This oil pan kit is designed for straightforward installation on 1987–2004 Dodge Dakota and 1974–1993 Dodge Ramcharger trucks equipped with Gen III Hemi engines. It fits a wide range of factory and aftermarket components, including dipsticks, and requires no major modifications to the engine or chassis. The comprehensive kit includes all necessary hardware and components for a complete swap, simplifying the installation process and reducing downtime.

Its rear-sump configuration is optimized to clear frame rails and suspension components, preventing the low-hanging issues commonly encountered with factory oil pans during engine swaps.

What's Included:

• Cast aluminum rear-sump oil pan
• Oil pickup assembly
• O-ring seal for leak-free installation
• Integrated windage tray
• Baffling system
• Mounting bolts and hardware

Ideal For:

This oil pan kit is perfect for automotive enthusiasts, custom builders, and restoration professionals performing Gen III Hemi engine swaps into Dodge Dakota and Ramcharger trucks. It suits those seeking a reliable, durable, and well-engineered oil pan solution that addresses common fitment challenges while enhancing engine reliability and driveline strength. Whether building a street truck, off-road rig, or classic restomod, this Holley oil pan provides the foundation for a clean and efficient engine installation.

Holley is a cornerstone name in performance, spanning everything from classic carburetion to modern EFI, fuel systems, and race-ready supporting components. It’s also home to a roster of iconic sub-brands across ignition, exhaust, and drivetrain—making Holley a one-stop ecosystem for builders chasing better drivability, more power, and proven track heritage.