Hengst Prado, Cygnus Air Filter (E1242L)
Hengst E1242L Toyota Prado / Land Cruiser Cygnus Air Filter
Premium Replacement Engine Air Filter for Toyota Prado & Land Cruiser Cygnus
Hengst E1242L Engine Air Filter is a high-quality replacement engine air filter designed for compatible Toyota Prado and Land Cruiser Cygnus applications using Toyota OE Part No. 17801-50040.
The filter is designed to remove dust, dirt, sand and other airborne contaminants from the air entering the engine. By helping maintain clean intake air, Hengst E1242L supports reliable engine operation, protects internal engine components and helps maintain consistent airflow.
Toyota OE 17801-50040 is used across a range of Toyota applications, including compatible Land Cruiser, Prado and 4Runner models. Exact fitment should always be verified against the vehicle’s model, engine and OE number.
Key Features
- Premium Hengst replacement engine air filter
- Hengst Part Number: E1242L
- Toyota OE Part Number: 17801-50040
- Suitable for compatible Toyota Prado applications
- Suitable for compatible Toyota Land Cruiser Cygnus applications
- Helps remove dust, dirt, sand and airborne contaminants
- Helps protect engine components from abrasive particles
- Supports clean and consistent intake airflow
- Application-specific design for reliable fitment
- Ideal for routine engine maintenance
- Direct replacement where E1242L / 17801-50040 is specified
Toyota Prado & Cygnus Compatibility
The Hengst E1242L corresponds to Toyota OE reference 17801-50040.
Toyota’s OE parts information identifies 17801-50040 as an air cleaner filter element, with applications including Toyota Land Cruiser and other Toyota models. Current parts listings also associate this OE number with various Prado applications.
Hengst Part Number
E1242L
Toyota OE Number
17801-50040
Applications
- Toyota Prado
- Toyota Land Cruiser Cygnus
- Other compatible Toyota applications
Important: Toyota 17801-50040 is used across multiple models and engine configurations. Always verify the exact OE number and vehicle application before ordering.
Why Engine Air Filtration Matters
The engine requires a continuous supply of clean air for proper combustion. Dust, sand and other airborne particles entering through the intake system can contribute to contamination and accelerated engine wear.
A properly fitted Hengst air filter helps capture these contaminants before they reach the engine while maintaining the airflow required for normal operation.
This is particularly important for SUVs such as the Toyota Prado and Land Cruiser Cygnus, which may be driven in dusty, sandy, urban and off-road environments.
Benefits
Effective Filtration
Helps capture dust, dirt, sand and other airborne particulate matter before it enters the engine.
Engine Protection
Helps reduce abrasive contaminants reaching sensitive internal engine components.
Clean Intake Air
Supports a clean and consistent air supply for efficient engine operation.
Application-Specific Fit
Designed for the specified application to provide proper positioning and sealing within the air-filter housing.
Reliable Maintenance
An excellent replacement option when the original engine air filter becomes dirty, damaged or reaches its recommended service interval.
How to Replace
- Switch off the engine and allow it to cool.
- Locate the engine air-filter housing.
- Release the housing clips or fasteners.
- Remove the existing air filter.
- Clean loose dirt and debris from the filter housing.
- Compare the old filter with the Hengst E1242L to confirm correct fitment.
- Install the new filter in the correct orientation.
- Close and secure the air-filter housing.
- Ensure the housing is properly sealed before starting the engine.
Professional Tip
For vehicles frequently driven in dusty, sandy or off-road conditions, inspect the engine air filter more frequently than the standard maintenance interval.
Product Specifications
- Brand: Hengst
- Part Number: E1242L
- Product Type: Engine Air Filter
- Toyota OE Number: 17801-50040
- Applications: Toyota Prado / Land Cruiser Cygnus and compatible Toyota models
- Filter Location: Engine Air Intake
- Replacement Type: Direct replacement where specified
- Primary Function: Engine intake air filtration
Genuine Hengst Quality
Hengst is a German filtration specialist with extensive experience in automotive filtration. Its filtration products are developed around application-specific requirements with a focus on reliable filtration, fitment and protection of critical vehicle systems.
Choosing the correct Hengst part number helps ensure the replacement filter is matched to the intended vehicle application.
Important Fitment Note
Toyota OE 17801-50040 is not exclusive to one Toyota model. It is listed across several Toyota applications, so the OE number should be checked together with the vehicle’s exact model, year and engine before purchase.
Exact Reference
Hengst E1242L → Toyota 17801-50040
Frequently Asked Questions
What is Hengst E1242L?
Hengst E1242L is a replacement engine air filter designed for compatible Toyota applications using the corresponding Hengst and Toyota OE references.
What is the Toyota OE number?
The corresponding Toyota OE reference is 17801-50040.
Is Hengst E1242L suitable for Toyota Prado?
Yes, where Hengst E1242L / Toyota 17801-50040 is the specified application.
Is it suitable for Toyota Land Cruiser Cygnus?
Yes, where the vehicle uses Toyota OE 17801-50040. Always verify the exact vehicle and engine before ordering.
What does an engine air filter do?
It filters dust, dirt, sand and other airborne contaminants from the air entering the engine, helping protect internal components while maintaining clean intake airflow.
Is this filter suitable for dusty conditions?
Yes. A quality engine air filter is particularly important for vehicles operating in dusty or sandy environments. However, the filter should be inspected and replaced according to the vehicle manufacturer’s maintenance requirements and actual operating conditions.
When should the filter be replaced?
Replacement intervals depend on the vehicle manufacturer’s recommendations and driving conditions. Frequent driving in dusty or off-road environments may require more frequent inspection and replacement.
Hengst E1242L Toyota Prado Cygnus Air Filter
- Hengst E1242L
- Toyota 17801-50040
- Toyota Prado Air Filter
- Prado Engine Air Filter
- Toyota Cygnus Air Filter
- Land Cruiser Cygnus Air Filter
- Toyota Land Cruiser Air Filter
- Hengst Toyota Air Filter
- Toyota Engine Air Filter
- Prado Air Filter Pakistan
- Cygnus Air Filter Pakistan
- Hengst Air Filter Pakistan
- Engine Air Filter
- Toyota Air Cleaner Filter
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