Air and Fuel› Air Cleaners, Filters, Intakes and Components
Sinister Diesel
Sinister Diesel 4in ID 10in Tall Replacement Air Filter
SKU: S004 SD-CAI-FILTER
Moderate — 2–4 hours
Description
Part #: SD-CAI-FILTER
Whether you need to replace a damaged filter on your Sinister Diesel Cold Air Intake or if you're making your own air intake, Sinister Diesel has you covered! Coming in at 10" tall and a 4" Inner Diameter and high flow filter, the Sinister Diesel Universal Replacement Filter can support huge air flow to meet any needs. We utilize an 8-layer cleanable cotton filter media for maximum air flow and a long life.; Features:8-Layer Cleanable Cotton Filter Media, 10" tall w/ a 4" ID Silicone Inlet, Features a Honey-comb Filter-guard that's finished in Sinister BlueClick Here for Pre-Filter
Universal Replacement Reusable Air Filter (4" Inner Diameter).
MIA's Description
A honeycomb filter guard, finished in Sinister Blue, protects the filter media. This replacement filter is backed by Sinister Diesel's lifetime warranty.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Sinister Diesel |
| Part Number | S004 SD-CAI-FILTER |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy