SKU: SD-CAI-FILTER-DRY Sinister Diesel Universal Replacement Dry Media Disposable Air Filter (4" Inner Diameter)

⚠️ High Demand – Restock in Progress
This part is moving fast and is currently out of stock, but we’re actively working to get more on the shelf.
Estimated ship date: May 5.
Orders ship first-come, first-served — we’ll get yours out as quickly as possible.
Expedited shipping applies to transit time after shipment and does not move your order ahead in line.
We appreciate your patience and your support — it truly means a lot to us.

Sinister Diesel Replacement Dry Air Filter – 10" Tall, 4" ID (For Sinister Diesel Intake Systems)

Key Features
• Direct Replacement Fit – Designed specifically as a replacement filter for Sinister Diesel cold air intake and filtration kits
• 8-Layer Dry Cotton Media – High-flow filtration that supports performance while keeping contaminants out
• No Oiling Required – Simple, clean maintenance with no oiling needed
• 4" ID Silicone Inlet – Secure fitment for Sinister Diesel intake systems and compatible setups
• Honeycomb Filter Guard – Protective outer layer finished in Sinister Blue for durability and style
• 2-Year Warranty – Built to last and backed for long-term reliability

Product Overview
The Sinister Diesel Replacement Dry Air Filter is the go-to solution when it’s time to service your Sinister Diesel intake or filtration kit. Built as a direct replacement, this filter restores airflow and filtration performance without the hassle of cleaning or oiling.

Constructed with an 8-layer dry cotton media, it delivers strong airflow while effectively capturing contaminants—helping protect your engine and maintain consistent performance. The honeycomb outer guard adds durability and features the signature Sinister Blue finish for a clean under-hood look.

With a 10" height and 4" inlet, this filter drops right into your existing Sinister Diesel setup, making maintenance quick and straightforward.

What’s Included
(1) Sinister Diesel Replacement Dry Air Filter

Why Choose Sinister Diesel
Since 2009, Sinister Diesel has built a reputation for solving real-world problems with high-quality, performance-driven parts. Our components are engineered for durability, tested for reliability, and designed to keep your truck performing at its best.

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