Upgrade your engine bay with the GMC Sierra 3500 Oil Fill Cap from Wehrli Custom Fabrication. Designed for GMC Sierra and Chevy Silverado 2500/3500 models from 2001 to 2025 equipped with the 6.6L Duramax engine, this exquisite piece is crafted from billet aluminum and finished with a black anodized coating. Not just a superficial cover, it’s a complete cap that offers a perfect fit as an OEM replacement for your vehicle’s factory plastic part.

Experience the perfect blend of style and functionality with this expertly engineered oil fill cap. Designed with precision CNC machining in the USA, it ensures a robust and snug fit, enhancing the overall aesthetic of your engine bay. The cap features a durable o-ring seal and machined cam lock engagement to ensure a reliable, leak-proof seal. Not only is it compatible with various Duramax engines, but it also fits an array of GM LS gasoline engines, making it a versatile addition to your vehicle.

Features

• Black anodized billet aluminum construction
• Direct OEM replacement for multiple GM models
• Compatible with 6.6L Duramax and select GM LS gasoline engines
• Includes o-ring seal for a leak-proof fit
• CNC machined in the USA
• Installs in seconds
• Engraved Wehrli Custom logo

If you're looking to enhance your vehicle’s engine bay further, this oil fill cap pairs perfectly with Wehrli's billet aluminum coolant tank and brake reservoir caps. Its practical design makes installation quick and effortless, allowing you to enjoy its benefits without any hassle.

Call us directly with any questions you might have. Whether you're considering purchasing this item or need guidance on installation, we're here to help. We offer professional installation and customization services at both our Austin, Texas, and Los Angeles, California locations. Reach us at 512-982-9393 for our Texas store or 562-981-6800 for our California location. Also, if you're planning to purchase multiple items, contact us for potential shipping discounts. We offer installation services on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov