ARLEN NESS - 18-040 - Replacement Big Sucker Stage 1 Air Filter - Sportster
The ARLEN NESS 18-040 is a cotton gauze replacement air filter for the Big Sucker Stage 1 kit, fitting 1988-2022 Harley-Davidson Sportster models and engineered to deliver consistent air intake with OEM-level protection.
Features
- Replacement and optional air filter for Big Sucker Stage 1 air filter kit
Specs
- Color/Finish: Black
- Color/Finish: Red
- Filter Media Material: Cotton Gauze
- Riding Style: Street
- Base Color: Red
- Product Name: Air Filter
- Filter Shape: Round
- Type: Replacement
- Type: Stage I
- Model: Big Sucker
- Units: Each
Frequently Asked Questions - ARLEN NESS - 18-040 - Replacement Big Sucker Stage 1 Air Filter - Sportster - '88-'22 Harley-Davidson
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
