9.32 EUR
Premium Knecht OX 42 Oil Filter with MAHLE ORIGINAL Insert, Article Number: OX 42, OE 11420661132/11420661135
MAHLE AFTERMARKET LTD (4009026000373 / OX 42) | Oil filter
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Premium Knecht OX 42 Oil Filter
The Knecht OX 42 Oil Filter is a high‑performance filtration solution engineered for the demanding requirements of modern automotive engines. Designed with precision and built to last, this filter delivers superior protection against contaminants while maintaining optimal oil flow.
Key Features
- MAHLE ORIGINAL Insert: The filter incorporates a genuine MAHLE insert that guarantees consistent filtration efficiency and durability. This collaboration ensures the filter meets or exceeds OEM specifications for a wide range of vehicles.
- Advanced Filtration Media: A multi‑layer media system captures particles as small as 5 µm, protecting engine bearings, pistons, and camshafts from wear and corrosion.
- Optimized Flow Rate: The filter’s design balances pressure drop with flow capacity, ensuring that oil circulates freely without compromising filtration performance.
- Robust Construction: Made from high‑grade polypropylene housing and reinforced with a steel gasket, the filter resists deformation under high temperatures and pressures.
- Wide Compatibility: The OX 42 model fits a broad range of BMW, Mercedes‑Benz, and Steyr engines, including models such as the 1500–2000 series, 1600 GT, 1800, 1802, 2000, 2002, and various SL/Ponton variants.
Technical Specifications
| Specification | Details |
|---|---|
| Article Number | OX 42 |
| OE Numbers | 11420661132 / 11420661135 |
| Insert Manufacturer | MAHLE ORIGINAL |
| Material | Polypropylene housing, steel gasket, multi‑layer filter media |
| Flow Rate | Optimized for high‑performance engines (exact value varies by vehicle) |
| Pressure Drop | Low, maintaining efficient oil circulation |
| Temperature Range | -40 °C to +120 °C |
| Dimensions | Standard OX 42 size (exact measurements per OEM) |
| Compatibility | BMW 1500–2000, 1600 GT, 1800 series, Mercedes‑Benz SL/Ponton, Steyr models |
Installation Guide
- Preparation: Ensure the engine is cool and the oil level is within the recommended range.
- Remove Old Filter: Use a filter wrench to loosen the existing filter. Allow any residual oil to drain before removal.
- Clean Mounting Surface: Wipe the mounting area with a clean rag to remove debris and old gasket material.
- Apply New Gasket: Place the new steel gasket onto the filter housing, ensuring it sits flush against the engine block.
- Install Filter: Screw the OX 42 filter onto the mounting surface by hand until snug, then tighten an additional quarter turn with a wrench.
- Check for Leaks: Start the engine and inspect the filter area for any oil seepage. Tighten further if necessary.
Performance Benefits
- Extended Engine Life: By trapping fine particles, the filter reduces wear on critical components, extending service intervals.
- Consistent Oil Quality: Maintains oil viscosity and prevents sludge buildup, ensuring reliable lubrication under high‑load conditions.
- Fuel Efficiency: Low pressure drop contributes to smoother engine operation, which can translate into marginal fuel savings.
- Reliability in Extreme Conditions: The robust construction withstands temperature fluctuations and harsh driving environments.
Quality Assurance
The Knecht OX 42 Oil Filter undergoes rigorous testing, including pressure drop measurements, particle retention analysis, and thermal endurance trials. Each batch is inspected to confirm compliance with OEM standards and MAHLE quality benchmarks.
Maintenance Tips
- Replace the filter at every scheduled oil change or sooner if the engine operates under severe conditions (e.g., towing, high‑RPM driving).
- Avoid using incompatible filters that may compromise sealing or filtration performance.
- Inspect the gasket for wear before each installation; replace if damaged to prevent leaks.
Conclusion
The Knecht OX 42 Oil Filter with MAHLE ORIGINAL Insert represents a fusion of advanced filtration technology and proven engineering. Its meticulous design ensures that engines receive clean, well‑lubricated oil, safeguarding performance and longevity across a diverse range of high‑quality vehicles.
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| Tags | Oil filter |
| Identifiers | |
| Brand | MAHLE AFTERMARKET LTD Mahle Aftermarket Ltd. is a leading global supplier of automotive components, specializing in the production of pistons, piston rings, cylinder liners, and engine bearings. The company has a wide product portfolio that covers both original equipment and aftermarket needs, and its products are sold in more than 130 countries worldwide. Mahle Aftermarket is a subsidiary of the Mahle Group, a leading global supplier of automotive components and systems. |
| MPN | MAHLE AFTERMARKET LTD OX 42 |
| ID | 18919420 |
| Dimensions / Weight | |
| Key Features | |

