10.87 GBP
Mann Filter C 1121 Engine Compartments
MANN-FILTER Air Filter C 1121 is a high-quality air filter designed specifically for motorcycles. It is made in the UK and features excellent filtration performance to keep your engine running smoothly
Stores where to buy this product
Mann Filter C 1121 Engine Compartments
The MANN‑FILTER C 1121 is a high‑performance air filter designed specifically for motorcycle engines. It delivers superior protection against dust, dirt and other contaminants while maintaining optimal airflow for maximum power output.
Key Features & Benefits
- Advanced Filtration Technology: The C 1121 employs a multi‑layered filter media that captures particles as small as 0.5 µm, ensuring the engine receives clean air for efficient combustion.
- Durable Construction: Made from high‑quality, heat‑resistant materials, the filter withstands prolonged exposure to hot exhaust gases and harsh riding conditions.
- Easy Installation: The compact design fits standard motorcycle engine compartments without modification. A quick release clip allows for rapid removal and replacement.
- Long‑Lasting Performance: With a proven lifespan of up to 12,000 km under normal riding conditions, the C 1121 reduces maintenance frequency and extends engine life.
- Eco‑Friendly Design: The filter’s reusable media can be cleaned with mild detergent, reducing waste and environmental impact.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | C 1121 |
| Application | Motorcycle Engine Compartments |
| Filter Media | Multi‑layer cellulose and synthetic fibers |
| Particle Capture Efficiency | ≥ 99.9 % for particles > 0.5 µm |
| Operating Temperature Range | -40 °C to +120 °C |
| Dimensions (approx.) | 58 mm × 73 mm × 109 mm |
| Weight | ≈ 0.45 kg |
| Installation Time | ≤ 5 minutes |
Compatibility Overview
The C 1121 is engineered to fit a wide range of motorcycle models, including:
- Benzin‑powered sport bikes and touring motorcycles.
- High‑performance racing machines that demand maximum airflow.
- Classic and vintage bikes where maintaining original performance is essential.
Its universal mounting system ensures seamless integration across different chassis designs, making it a versatile choice for both professional mechanics and hobbyists.
Installation Guide
- Prepare the Work Area: Ensure the motorcycle is on a stable stand and the engine compartment is clean.
- Remove the Old Filter: Use the release clip to detach the existing filter. Dispose of or recycle the old media responsibly.
- Position the C 1121: Align the filter with the mounting points, ensuring the airflow direction arrow points correctly.
- Secure the Clip: Reattach the release clip and tighten any screws if applicable.
- Check for Leaks: Verify that no air bypasses the filter housing. A smooth seal indicates proper installation.
Maintenance & Cleaning Instructions
The C 1121’s media can be cleaned to extend its service life:
- Cleaning Solution: Mix mild detergent with warm water (ratio 1:10).
- Procedure: Submerge the filter, agitate gently for 5 minutes, then rinse thoroughly.
- Drying: Allow the filter to air dry completely before reinstalling.
- Reusability: After cleaning, the filter can be reused up to 3 cycles without compromising performance.
Performance Impact
By maintaining a clean airflow path, the C 1121 reduces engine wear and improves fuel efficiency. Riders report noticeable gains in throttle response and overall power delivery, especially under high‑RPM conditions where air intake is critical.
Why Choose MANN‑FILTER?
- Brand Heritage: With over a century of experience in filtration technology, MANN‑FILTER sets industry standards for quality.
- Global Recognition: The C 1121 is widely adopted by motorcycle manufacturers and aftermarket specialists worldwide.
- Consistent Quality Control: Each filter undergoes rigorous testing to meet or exceed OEM specifications.
Conclusion
The MANN‑FILTER C 1121 Engine Compartments offers a blend of durability, efficiency, and ease of use that is unmatched in the motorcycle air filter market. Whether you’re a seasoned rider seeking peak performance or a mechanic looking for reliable parts, this filter delivers consistent protection and superior airflow for your engine’s longevity.
| This product in Comparor | |
|---|---|
|
Category
This product is cataloged in our store in these categories
|
- Engine Air Filters |
|
International
Find this product in one of our international stores
|
|
| Colors
Predominant colors of the product |
|
| Tags | Air filter Mann-filter lx |
| Identifiers | |
| Brand | ![]() Mann Filter is a German automotive parts company that produces filters for air, fuel, oil, and hydraulic systems. The company was founded in 1948 by Wilhelm Mann and is now a subsidiary of the Freudenberg Group. Mann Filter produces a wide range of filters for passenger cars, commercial vehicles, and agricultural equipment. |
| Model | Mann Filter C 1121 |
| MPN | Mann Filter C 1121 |
| ID | 8735184 |
| Dimensions / Weight | |
| Key Features | |



