aFe Billet Aluminum Oil Cap

2003–2010 Dodge Ram 2500 / Ram 3500

Part #: 79-12001

Overview

The aFe Billet Aluminum Oil Cap is a premium replacement designed specifically for Dodge Ram 2500 and Ram 3500 models from 2003 to 2010. This high-quality oil cap upgrades the factory component with enhanced durability and a sleek matte black finish, elevating the look of your engine bay while providing a secure, leak-proof seal. Built for diesel truck owners and enthusiasts who demand both reliability and style, the aFe oil cap ensures your engine oil system remains protected under all driving conditions.

Crafted by aFe, a respected leader in performance automotive parts, this oil cap offers a perfect blend of form and function. It is ideal for those seeking a long-lasting, precision-engineered component that complements the rugged design of their Dodge Ram trucks.

Key Features

Engineered for durability and style, the aFe Billet Aluminum Oil Cap includes the following standout features:

• Constructed from CNC-machined 6061-T6 billet aluminum for exceptional strength and longevity
• Matte black finish resists corrosion, scratches, and fading for lasting visual appeal
• Equipped with black chrome screws that provide secure fastening and a refined look
• O-ring style gasket ensures a reliable, leak-free seal to protect your engine oil system
• Direct fitment for Dodge Ram 2500 and Ram 3500 models from 2003 through 2010
• 50-state legal, compliant with all necessary emissions and street use regulations
• Backed by a 2-year limited warranty for peace of mind

Construction & Design

The aFe oil cap is meticulously crafted from aircraft-grade 6061-T6 billet aluminum using advanced CNC machining technology. This manufacturing process guarantees precise tolerances and a robust structure capable of withstanding the demanding environment under the hood. The matte black finish not only enhances the engine bay’s aesthetics but also provides excellent resistance against corrosion, wear, and fading over time.

Attention to detail is evident in the inclusion of black chrome screws, which secure the cap firmly while adding a subtle contrast to the matte finish. The integrated O-ring style gasket is engineered to maintain a tight, leak-proof seal, preventing oil leaks and contamination that could compromise engine performance and longevity.

Installation & Fitment

Installation of the aFe Billet Aluminum Oil Cap is quick and straightforward, requiring no modifications. It is designed as a direct replacement for the factory oil cap on Dodge Ram 2500 and Ram 3500 trucks from 2003 to 2010. Simply remove the original cap and hand-tighten the aFe billet cap, ensuring the O-ring gasket seats properly to achieve a secure, leak-free fit. This upgrade is suitable for both professional mechanics and DIY enthusiasts.

What's Included

• One CNC-machined 6061-T6 billet aluminum oil cap with matte black finish
• Black chrome screws for secure installation
• O-ring style gasket for leak-free sealing
• Installation instructions

Ideal For

This oil cap is perfect for Dodge Ram 2500 and Ram 3500 owners who want to enhance their engine bay’s appearance while ensuring reliable sealing and durability. It is especially suited for diesel truck enthusiasts, daily drivers, and anyone looking to replace a worn or damaged factory oil cap with a premium, stylish alternative. The aFe Billet Aluminum Oil Cap appeals to those who value precision-engineered components that seamlessly combine form and function.

Emissions Note

This product is 50-state legal, meeting all necessary emissions regulations for street use across the United States.

aFe POWER (Advanced FLOW Engineering) offers dyno-proven intake, filtration, and exhaust upgrades aimed at measurable performance gains. The brand’s lineup is geared toward enthusiasts looking for better airflow, improved sound, and durable materials—from cold air intakes to stainless exhaust systems for street and track applications.