Holley Cast Aluminum Rear-Sump Gen III Hemi Swap Oil Pan

1987–2004 Dodge Dakota / 1974–1993 Dodge Ramcharger

302-75

Overview:

The Holley Cast Aluminum Rear-Sump Gen III Hemi Swap Oil Pan is engineered specifically for Mopar enthusiasts performing engine swaps into classic and late-model trucks. Designed to fit Dodge Dakota models from 1987 to 2004 and Dodge Ramchargers from 1974 to 1993, this oil pan addresses the common issue of factory Gen III Hemi oil pans hanging too low or not fitting properly in these applications. Crafted from durable cast aluminum, this oil pan offers a reliable, leak-free solution that enhances both engine protection and vehicle drivability.

Ideal for builders and restorers who want to install Gen III Hemi engines into trucks with limited clearance, this oil pan kit ensures proper oil control and compatibility with a variety of factory and aftermarket components. Its integrated windage tray and baffling optimize oil management, making it a smart upgrade for performance and reliability.

Key Features:

This complete oil pan kit combines innovative design with practical features to support your Gen III Hemi swap project:

• Cast aluminum rear-sump oil pan designed for Gen III Hemi engines, providing improved fitment and clearance in Dodge Dakota and Ramcharger trucks.
• Complete kit includes oil pan, pickup assembly, O-ring seal, integrated windage tray, baffling, and mounting bolts—no additional parts needed.
• Unique patent-pending O-ring seal to block with captured windage tray ensures a secure, leak-free installation.
• Integrated windage tray and baffling control oil movement, compatible with engines up to a 4.06-inch stroke.
• Available in natural as-cast aluminum or durable black finish to suit your build preferences.
• Part #302-75 fits early Gen III Hemi engines without variable valve timing (non-VVT), including 2003–2008 5.7L, 2005–2010 6.1L, and 2007–2010 392 Hemi crate engines.
• Compatible with factory and aftermarket dipsticks for easy oil level checks.
• Integrated lower support bolts engine block to transmission or bellhousing, enhancing driveline strength and protecting components from dirt and debris.
• Design covers the lower portion of the bellhousing to keep contaminants out of the bellhousing and transmission.

Construction & Design:

Constructed from high-quality cast aluminum, this oil pan combines strength and lightweight properties essential for performance applications. The integrated windage tray and baffling are engineered to maintain consistent oil control during aggressive driving and engine operation, preventing oil starvation and reducing windage losses. The patent-pending O-ring seal design provides a reliable, leak-resistant connection to the engine block, eliminating common sealing issues found in traditional gasket setups.

The oil pan’s rear-sump layout is optimized for clearance in Dodge Dakota and Ramcharger chassis, addressing the common problem of factory pans hanging too low and risking damage. Additionally, the integrated lower support bolts secure the oil pan to the transmission or bellhousing, adding structural rigidity and protecting driveline components from dirt and debris intrusion.

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 without variable valve timing. The kit includes all necessary components, allowing for a clean swap without the need for additional parts. It fits early 5.7L, 6.1L, and 392 Hemi crate engines, making it a versatile choice for a range of Mopar builds.

The rear-sump design improves ground clearance and prevents interference with suspension or steering components, reducing the risk of damage during off-road or street use. It works seamlessly with most factory and aftermarket dipsticks, ensuring accurate oil level monitoring after installation.

What's Included:

• Cast aluminum rear-sump oil pan
• Pickup assembly
• O-ring seal
• Integrated windage tray
• Baffling system
• Mounting bolts

Ideal For:

This oil pan is perfect for Mopar enthusiasts and professional builders performing Gen III Hemi engine swaps into Dodge Dakota and Ramcharger trucks. It suits those seeking a durable, leak-free oiling solution that improves ground clearance and driveline protection. Whether restoring a classic truck or building a high-performance street or off-road vehicle, this oil pan provides the fitment and reliability needed for a successful engine swap.

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.