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OE: 1111402AED15 Fuel Filter Assembly for Haval H6 Diesel | Great Wall

The 1111402AED15 fuel filter assembly fits Haval H6 diesel models equipped with the GW4D20, GW4D20D, and GW4D20M engines.
It removes fine particles and moisture before fuel reaches the high-pressure pump, supporting smooth performance and predictable torque delivery.
The unit cross-references with 1111402AED10 and 1111402XED15, covering the full H6 diesel fine-filtration family.

The OE: 1111402AED15 fuel filter assembly is the primary fine filtration module for Haval H6 diesel models, supporting the precision needs of modern common-rail injection systems.
It removes fine contaminants and moisture before fuel reaches the high-pressure pump and injectors.
This assembly helps maintain smooth combustion, predictable torque delivery, and stable performance during daily driving and long-distance travel.
Its design supports reliability across diverse climates and varied fuel-quality conditions.

Compatibility

The assembly fits Haval H6 diesel vehicles powered by the following engines:

  • GW4D20 diesel engine

  • GW4D20D upgraded version

  • GW4D20M enhanced variant

These engines rely on clean and stable fuel to maintain accurate injection control.
The filter integrates with the H6’s two-stage diesel filtration system and serves as the final stage before the high-pressure pump.
Its housing and connector geometry follow OE standards for direct and accurate installation.
The assembly performs reliably in export markets where diesel quality may vary.

Filtration / Material / Mechanical Design

The filter uses a multi-layer synthetic medium engineered to capture fine particles while maintaining steady flow.
Its metal housing handles pressure changes and temperature cycles common in diesel operation.
Internal water-separation channels help manage moisture within the system.
OE-grade seals support stable pressure and prevent air intrusion.
The assembly operates effectively in dusty, warm, and high-humidity environments often encountered in H6 markets.

Flow Stability & Engine Protection

Clean fuel supports accurate injector spray patterns and smooth combustion.
This assembly helps maintain reliable cold-start behavior and stable idling.
Consistent filtration reduces strain on the high-pressure pump during heavy load conditions.
By removing fine contaminants, the unit supports long-term reliability and steady performance for the H6 diesel platform.

Interchangeable OE Numbers (Cross-Reference)

  • 1111402AED10

  • 1111402XED15

  • 1111402AP00A5

Maintenance Replacement (Official Interval)

The recommended replacement interval for H6 diesel fine filters is 20,000 km.
A shorter interval of 10,000–15,000 km is advised when operating in regions with inconsistent diesel quality.
Routine inspection for moisture or debris is recommended during scheduled service.

Sourcing & Ordering FAQ

❓ Is this product suitable for my market?

Product suitability depends on operating conditions, usage intensity, and local expectations.

We evaluate product recommendations based on real application scenarios,

not just vehicle compatibility.

❓ Do you supply OEM or aftermarket versions?

Depending on the product, we can support OEM-standard or verified aftermarket options.

The recommendation is based on quality stability, cost structure, and market positioning — not labels.

❓ Can this product be combined with other parts in one shipment?

Yes.

Consolidated sourcing across categories is one of our core strengths,

helping buyers reduce freight cost and inventory pressure.

❓ How is quality controlled before shipment?

All products are inspected before shipment.

We work with factories that maintain stable production processes rather than short-term output.

❓ Can I start with a trial order?

Yes.

Trial orders are encouraged for new cooperation,

especially for engine and cooling system service parts where consistency matters.

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