Wehrli 100394 Billet Oil Fill Cap Clear Anodized | 1998.5-2024 Dodge RAM 5.9L/6.7L 2500/3500 Cummins

Features:

• Fits 1998.5–2024 Cummins 5.9L and 6.7L
• Direct OEM replacement for factory oil fill cap
• CNC machined billet aluminum construction
• Clear anodized finish for clean appearance
• Includes durable o-ring seal for tight fit
• Installs in seconds without special tools
• Engraved with Wehrli Custom logo underneath
• Matches WCFab billet brake reservoir caps
• Made in the USA with precision quality
• Enhances engine bay with premium styling
• Not compatible with select billet valve covers
• Designed for Dodge RAM 2500 and 3500 trucks

Give Your Engine Bay A Clean Custom Look

If you’re the kind of truck owner who notices the details, then upgrading to the Wehrli 100394 Billet Oil Fill Cap is a no-brainer. This isn’t just about replacing a cap, it’s about bringing a refined, performance-inspired touch to the heart of your Cummins engine bay. Designed for 1998.5–2024 Dodge RAM 2500 and 3500 trucks with the 5.9L or 6.7L Cummins, this cap offers a clean, clear anodized finish that instantly elevates your under-hood appearance. Unlike cheap covers, this is a full replacement cap made from CNC machined billet aluminum that fits like factory but looks like a showpiece. It installs in seconds and pairs perfectly with other Wehrli components like their billet brake reservoir caps, giving your setup a unified and polished look. The engraved Wehrli Custom logo on the underside is a subtle flex, only visible when it’s off, but a reminder that you’ve chosen quality. Whether you’re building a show truck or just want to ditch the plastic for something with substance, this cap is a small upgrade that makes a big statement.

Precision Machined Replacement Built For Longevity And Fit

The Wehrli 100394 Clear Anodized Billet Oil Fill Cap is a direct OEM replacement designed specifically for 1998.5–2024 Dodge RAM Cummins 5.9L and 6.7L engines. Crafted from high-grade billet aluminum, this cap is CNC machined to exact tolerances, ensuring a secure and precise fit without the need for any modification. It includes a high-quality o-ring seal to maintain proper crankcase pressure and prevent leaks during engine operation. The clear anodized finish offers enhanced corrosion resistance and long-term durability, making it ideal for performance builds and daily drivers alike. As part of the Wehrli product line, this cap is designed to match their billet brake reservoir covers for a cohesive engine bay aesthetic. Unlike dress-up covers that sit over factory components, this cap completely replaces the original plastic unit for improved reliability and a tighter seal. It's made in the USA and compatible with most factory valve covers, though not suitable for use with WCFab X D&J billet valve cover models WCF100330 or WCF100366. This cap combines function, fit, and finish into one premium upgrade.

Fits: 1998.5, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 Dodge RAM 5.9L/6.7L 2500/3500 Cummins

Notes:

• Fits 1998.5–2024 Dodge RAM 2500 and 3500 Cummins 5.9L/6.7L engines
• This is a complete cap replacement, not a cover
• Not compatible with WCFab X D&J Billet Valve Covers (models WCF100330 and WCF100366)
• Designed to match WCFab billet brake reservoir caps for a uniform look
• Includes o-ring seal for leak-free performance
• Installs in seconds with no special tools required
• CNC machined in the USA for precision fitment
• Clear anodized finish adds corrosion resistance and a clean appearance
• Engraved Wehrli Custom logo is located on the underside of the cap