HENGJIAN Front Cover of Air Filter S7-Z300-13.1-01
The HENGJIAN front cover of air filter S7-Z300-13.1-01 is an OEM-style airbox component designed for the Hengjian S8‑Z300 300 cc 2‑stroke enduro front section of the air filter housing closes the intake side of the airbox, helping to shield the filter element from roost, mud and spray while maintaining consistent airflow to the engine.
Key Features
- OEM-style front air filter cover for the Hengjian S8‑Z300 300 cc 2‑stroke enduro platform.
- Precisely molded geometry matched to the original HENGJIAN airbox design.
- Factory-spec mounting points for straightforward fitment with original hardware.
- Helps protect the air filter element from dirt, stones and rear wheel debris.
- Guides incoming air towards the filter for stable intake performance.
- Direct replacement for a damaged, cracked or missing original front airbox cover.
Benefits
- Maintains the integrity of the airbox seal at the front, supporting effective filtration.
- Contributes to more consistent engine breathing on dusty, muddy or rocky enduro tracks.
- Restores factory appearance and alignment around the rear fender and airbox area.
- Reduces the risk of premature air filter contamination caused by exposed intake openings.
Typical Use Cases
- Replacement of a worn, warped or broken original front cover of the air filter housing.
- Cosmetic refresh of the rear fender / airbox area on heavily used Hengjian S8‑Z300 enduro motorcycles.
- Spare part kept ready for quick swaps during intensive enduro or cross‑country racing.
- Rebuilds and restorations where a complete, OEM‑correct airbox assembly is required.
Technical Details
| Manufacturer | HENGJIAN |
| Part name | Front cover of air filter |
| Manufacturer part number (SKU) | S7-Z300-13.1-01 |
| Product type | Air filter housing front cover / airbox front cover |
| Vehicle platform | Hengjian S8‑Z300 300 cc single‑cylinder 2‑stroke enduro (Z300 platform) |
| Location on vehicle | Front section of the rear air filter box, in front of the filter element and near the front of the rear fender assembly |
| Primary function | Closes and protects the front opening of the airbox, helping to keep contaminants away from the air filter while allowing intake air to pass through |
| Installation | Designed to align with the original Hengjian airbox and fasten using factory mounting points and hardware |
Compatibility
This front cover of air filter is engineered for use on Hengjian S8‑Z300 models built on the Z300 300 cc 2‑stroke enduro platform, where the corresponding OEM air filter housing is fitted.
