Wehrli 100258 Billet Aluminum Brake Master Cylinder Cap Black Anodized | 1998.5-2024 Dodge RAM 5.9L/6.7L 2500/3500 Cummins

Features:

• Fits 1998.5–2024 RAM 2500 and 3500 Cummins
• Direct OEM replacement cap, not just a cover
• CNC machined from solid billet aluminum
• Black anodized finish for a sleek appearance
• Reuses the diaphragm from the original cap
• Installs in seconds with no modifications
• Improves the look of your engine bay
• Made in the USA with premium materials
• Corrosion-resistant and built for longevity

Add A Touch Of Clean Style To Your Cummins Engine Bay

If you care about the details under the hood, the Wehrli 100258 Billet Aluminum Brake Master Cylinder Cap is an easy way to bring some polished attitude to your engine bay. Designed for 1998.5–2024 Dodge RAM 2500 and 3500 Cummins trucks, this cap is not a decorative cover, it’s a true OEM replacement made to look as good as it performs. The sleek black anodized finish adds a bold, low-profile touch that instantly upgrades the look of your truck’s brake reservoir area. It installs in seconds, reuses your factory diaphragm, and requires no modifications, so you can get back to what matters most, driving. Whether you're building a showpiece or just hate cheap-looking plastic caps, this billet aluminum upgrade gives your engine bay a cleaner, more refined appearance. Made in the USA with quality you can feel, it's one of those small parts that makes a big visual impact. If you're looking for a quick and lasting way to level up your underhood presentation, this cap gets it done.

Precision Fit And Function Made For Daily Drivers And Show Builds Alike

The Wehrli 100258 Black Anodized Brake Master Cylinder Cap is CNC machined from solid billet aluminum to meet exacting OEM specifications for 1998.5–2024 5.9L and 6.7L Cummins-powered RAM 2500 and 3500 trucks. Unlike simple cap covers, this is a full replacement part that threads directly onto your factory brake fluid reservoir and retains your stock diaphragm to maintain pressure balance and proper reservoir function. The durable black anodized coating resists corrosion and fading, ensuring the cap looks great and lasts even under harsh conditions like heat, humidity, or brake fluid exposure. Its rigid billet construction prevents flex or deformation that can happen with plastic caps, giving you long-term durability and a solid seal. This cap is perfect for enthusiasts who care about performance, longevity, and a clean engine bay layout. Whether your truck is bone stock or fully built, this cap adds a functional and visual upgrade with zero hassle. Installation takes only seconds, making it one of the easiest upgrades with real value.

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:

• Designed as a full OEM replacement, not a cover.
• Compatible with 1998.5–2024 RAM 2500/3500 5.9L and 6.7L Cummins models.
• Reuses the factory diaphragm from the original cap for proper function.
• Black anodized finish adds a clean, subtle style upgrade.
• Installs in seconds with no modifications or special tools.
• Made in the USA from CNC machined billet aluminum.
• Intended to enhance both form and function in the engine bay.