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K&N 99-0551 delivers one US gallon of air filter oil designed for K&N high-flow air filter elements on cars trucks motorcycles ATVs UTVs and powersports vehicles. This red-tinted oil bonds with the cotton gauze layers to trap dirt dust and particles while allowing maximum airflow to the engine. Regular use maintains filtration and extends service intervals when paired with K&N cleaner.
Key Features
- 1 Gallon Bottle: Large capacity treats dozens of filters for cost-effective maintenance over time.
- Filter-Specific Formula: Matches K&N cotton media to capture contaminants without restricting air passage.
- Pair with K&N air filter cleaner for full recharge process.
- Yes it works on every K&N cotton gauze panel drop-in and custom assembly filter.
Fitment
| Fitment Status | Universal or dimensional product |
|---|---|
| Required Verification | Exact dimensions, media, connection, mounting interface, and companion part number |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 99-0551 |
| Product Type | Recharge Kits |
| Fitment Type | Universal |
| Condition | New |
What's Included
One new K&N recharge kits identified by manufacturer part number 99-0551. Hardware, adapters, clamps, hoses, filters, and service supplies are included only when stated for this exact product.
About K&N Engineering
K&N develops reusable air filtration, intake, oil filtration, fuel filtration, and related performance products for vehicle-specific and dimensional applications.
Related K&N Engineering Products
- Shop all K&N Engineering products
- K&N 5 Gallon Air Filter Oil
- K&N Power Kleen Air Filter Cleaner (1 gallon)
- K&N 1 Gallon Heavy Duty DryFlow Cleaner
Frequently Asked Questions
How do I confirm K&N 99-0551 fits my setup?
Match every listed dimension, flange or thread size, media type, mounting interface, and companion component. A similar shape or outside dimension alone does not confirm compatibility.
What should I verify before ordering K&N 99-0551?
Confirm the exact manufacturer part number, all dimensions, connection sizes, included components, material, and application notes. Do not select the part from appearance alone.
What should be checked after installing K&N 99-0551?
Verify seals, clamps, fasteners, hoses, sensors, wiring, and surrounding clearance as applicable. Check for leaks or contact, then follow the manufacturer service and reinspection schedule.
Installation Instructions
- Apply to clean dry filter surface until red color appears evenly
- Squeeze bottle directly or use spray bottle for precision
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