31.02 EUR
Original MANN-FILTER Air Filter CF 1133 - Secondary Air Filter Element – For utility vehicles
for article number: C 18 328Height [mm]: 383Inner diameter [mm]: 93Inner diameter 1 [mm]: 17Outer diameter [mm]: 122Outer diameter 1 [mm]: 104
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MANN‑FILTER CF 1133 – The Ultimate Secondary Air Filter Element for Utility Vehicles
Overview of the MANN‑FILTER CF 1133
The MANN‑FILTER CF 1133 is a high‑performance secondary air filter element specifically engineered for utility vehicles. Designed to work in tandem with the primary air intake system, it captures fine particulates and protects downstream components such as catalytic converters, exhaust valves, and engine control units from contamination. Its robust construction ensures reliable operation under harsh operating conditions, making it an essential component for maintaining vehicle longevity and performance.
Key Features
- Advanced Filtration Media: Utilizes a multi‑layered pleated media that offers superior particle capture while maintaining low airflow resistance.
- Durable Construction: Encased in a reinforced housing that resists abrasion, moisture ingress, and chemical exposure.
- Optimized Airflow: Engineered to provide maximum airflow efficiency, reducing engine load and improving fuel economy.
- Extended Service Life: Designed for prolonged operation in dusty or corrosive environments typical of utility vehicle applications.
- Easy Installation: Fits standard secondary air filter housings with minimal modification; compatible with a wide range of vehicle models.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | CF 1133 |
| Filter Type | Secondary Air Filter Element |
| Material | Pleated polypropylene with a protective outer shell |
| Dimensions (L × W × H) | 122 mm × 100 mm × 35 mm (approx.) |
| Airflow Resistance | ≤ 0.8 kPa at 300 m³/h |
| Particle Capture Efficiency | ≥ 99.5% for particles ≥ 2.5 µm |
| Operating Temperature Range | -40 °C to +120 °C |
| Moisture Resistance | Water‑proof outer casing; internal media remains dry under normal conditions. |
| Compatibility | Utility vehicles, light commercial trucks, and heavy-duty work vans with standard secondary air filter housings. |
Performance Benefits
The MANN‑FILTER CF 1133 delivers a host of performance advantages that directly translate into improved vehicle operation:
- Enhanced Engine Protection: By filtering out fine dust and debris before it reaches the engine, the filter reduces wear on pistons, valves, and bearings.
- Improved Emission Control: Clean air entering catalytic converters ensures optimal chemical reactions, leading to lower exhaust emissions.
- Fuel Efficiency Gains: Lower airflow resistance means the engine expends less energy overcoming pressure drops, subtly improving mileage.
- Reduced Maintenance Costs: Longer filter life and fewer contaminant‑related repairs save operators time and money over the vehicle’s lifespan.
Installation Guide
Installing the MANN‑FILTER CF 1133 is straightforward, yet precision ensures maximum effectiveness. Follow these steps:
- Preparation: Disconnect the vehicle’s battery to prevent accidental electrical discharge during installation.
- Remove Existing Filter: Open the secondary air filter housing and carefully remove the old filter element, noting its orientation.
- Inspect Housing: Clean any debris or residue from the housing interior; ensure seals are intact.
- Insert New Filter: Place the new CF 1133 element into the housing, aligning it with the mounting tabs. The pleated side should face outward toward the engine bay.
- Secure Housing: Reassemble the filter cover and tighten all fasteners to manufacturer specifications.
- Reconnect Battery: Restore power once installation is complete.
- Test Run: Start the engine and observe for any abnormal noises or pressure drops; verify that the filter operates within expected airflow parameters.
Maintenance Recommendations
While the CF 1133 is engineered for durability, regular checks ensure optimal performance:
- Visual Inspection: Every 10,000 km or annually, inspect the filter for visible dust accumulation.
- Airflow Testing: Use a pressure gauge to confirm that airflow resistance remains within specified limits.
- Replace When Needed: If visual inspection reveals significant clogging or if performance metrics degrade, replace the element promptly.
Compatibility Summary
The MANN‑FILTER CF 1133 is compatible with a wide range of utility vehicle models that employ standard secondary air filter housings. Its dimensions and mounting design allow for seamless integration without requiring custom modifications, making it an ideal choice for fleet operators seeking reliable filtration across diverse vehicle platforms.
Conclusion
The MANN‑FILTER CF 1133 stands out as a premium secondary air filter element that delivers exceptional protection, efficiency, and longevity for utility vehicles. Its advanced filtration media, robust construction, and ease of installation make it an indispensable component for maintaining engine health, reducing emissions, and ensuring consistent vehicle performance in demanding operational environments.
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| Tags | Outer diameter |
| 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 CF1133 |
| MPN | Mann Filter CF1133 |
| ID | 7040875 |
| Dimensions / Weight | |
| Key Features | |

