1. Product Overview
The MANN-FILTER HU 826 X Cartridge Oil Filter is engineered for modern engines, providing superior filtration and engine protection. Its design ensures outstanding dirt-holding capacity, high material resistance, and a filter fineness precisely matched to the vehicle's requirements, even under severe driving conditions. These cartridge filters are designed to retain oil within the module, facilitating faster oil delivery during engine starts to minimize friction and wear. The filter housing does not require replacement for the product's entire service life, making it an efficient and reliable choice.
Key Features
- Engineered to meet the highest filtration requirements of European automotive nameplates.
- End caps create an optimum seal for consistent filtration performance.
- O-rings remain permanently flexible, ensuring a reliable seal.
- Filter media remains stable and functional even under extreme conditions.
- Compatible with select models from Ford and Land Rover.

A detailed view of the MANN-FILTER HU 826 X cartridge oil filter, showcasing its pleated filtration media and cylindrical shape.
2. Installation Guide
Proper installation of the MANN-FILTER HU 826 X oil filter is crucial for optimal performance and engine longevity. Always refer to your vehicle's specific service manual for detailed, step-by-step instructions and torque specifications, as procedures can vary significantly between vehicle models.
General Installation Steps:
- Ensure the engine is cool before beginning work.
- Locate the oil filter housing on your vehicle.
- Place a drain pan beneath the filter housing to catch any residual oil.
- Carefully remove the old oil filter element and O-rings.
- Clean the filter housing thoroughly.
- Lubricate the new O-rings provided with the MANN-FILTER with fresh engine oil.
- Install the new MANN-FILTER HU 826 X element and new O-rings into the housing.
- Tighten the filter housing cap to the vehicle manufacturer's specified torque. Overtightening or undertightening can lead to leaks.
- Refill the engine with the correct type and amount of engine oil as specified by your vehicle manufacturer.
- Start the engine and check for any leaks around the filter housing. Allow the engine to run for a few minutes, then shut it off and recheck the oil level.
If you are unsure about any step of the installation process, it is highly recommended to seek assistance from a qualified automotive technician.

A close-up image illustrating the process of installing a MANN-FILTER oil filter into an engine compartment, highlighting the filter's fit.
3. Operation and Function
The MANN-FILTER HU 826 X oil filter plays a critical role in maintaining engine health by removing contaminants from the engine oil. As oil circulates through the engine, it picks up dirt, metal particles, and other debris. The filter's pleated media traps these harmful particles, preventing them from circulating and causing wear to engine components such as bearings, camshafts, and cylinder walls.
By ensuring a continuous supply of clean oil, the filter helps to:
- Maintain engine lubrication efficiency.
- Reduce friction and wear on moving parts.
- Extend the lifespan of the engine.
- Optimize fuel efficiency.
- Support consistent engine performance.

A banner image featuring a MANN-FILTER oil filter with the text 'Oil filters The best in engine protection', emphasizing the product's primary benefit.
4. Maintenance and Replacement
The MANN-FILTER HU 826 X oil filter is a maintenance item that requires periodic replacement. The frequency of replacement depends on your vehicle's manufacturer recommendations, driving conditions, and the type of oil used. Generally, oil filters should be replaced every time the engine oil is changed.
Replacement Intervals:
- Consult your vehicle's owner's manual for the exact recommended oil and filter change intervals.
- For severe driving conditions (e.g., frequent short trips, extreme temperatures, heavy towing), more frequent changes may be necessary.
Disposal:
Used oil filters contain residual oil and should be disposed of responsibly. Do not discard used filters in household trash. Take them to an authorized recycling center or an automotive service facility that accepts used oil and filters.

A mechanic inspecting an engine bay, with a MANN-FILTER product box visible, indicating routine maintenance.
5. Troubleshooting
While the MANN-FILTER HU 826 X is designed for reliable performance, issues can sometimes arise, often related to installation rather than the filter itself.
Common Issues and Solutions:
- Oil Leaks: If you observe oil leaks around the filter housing after installation, it is most commonly due to an improperly seated O-ring, a damaged O-ring, or the filter housing cap not being tightened to the correct torque. Immediately check the O-rings for proper placement and condition, and ensure the cap is tightened according to your vehicle's specifications.
- Low Oil Pressure Warning: A persistent low oil pressure warning light after an oil and filter change could indicate a severely clogged filter (unlikely with a new filter), an incorrect filter type, or an issue with the oil pressure sensor or pump. Ensure the correct filter model is used and that the oil level is adequate.
- Unusual Engine Noises: While rare, if unusual engine noises (e.g., ticking, knocking) occur immediately after an oil and filter change, it could suggest a lack of proper oil circulation. Verify the oil level and ensure the filter is correctly installed.
For any persistent issues or concerns, it is strongly recommended to consult a certified automotive mechanic. Attempting to diagnose or repair complex engine problems without proper knowledge and tools can lead to further damage.
6. Technical Specifications
| Specification | Detail |
|---|---|
| Brand | Mann Filter |
| Model | HU 826 X |
| Material | Paper |
| Product Grade | Performance Part |
| Vehicle Service Type | Car |
| Item Dimensions (L x W x H) | 3.74 x 3.11 x 3.74 inches |
| Thread Size | M14 x 1.5 |
| Item Weight | 0.06 Kilograms (2.11 ounces) |
| OEM Part Numbers | CITROEN 1109 AV, FORD 9X2Q-6B624-BA, JAGUAR JDE 8751, LAND ROVER LR 013 148, LAND ROVER LR1 24517, PEUGEOT 1109 AV |
| Global Trade Identification Number (GTIN) | 04011558004040 |
| UPC | 087295283585 |
| Number of Items | 1 |
| Manufacturer Part Number | HU 826 x |
7. Warranty and Support
MANN-FILTER products are manufactured to original equipment (OE) quality standards, reflecting over 70 years of experience in filtration. This commitment to quality ensures that the HU 826 X oil filter meets the strict demands of automotive manufacturers and complies with all technical and quality specifications.
For specific warranty information or technical support, please refer to the official Mann Filter website or contact an authorized Mann Filter dealer. Always ensure you purchase genuine MANN-FILTER products from reputable sources to guarantee quality and performance.

An image showing a person, likely a mechanic, holding the MANN-FILTER HU 826 X oil filter, demonstrating its compact size.