Description
Air Filter – Premium OEM AY120-NS043 / 16546-VB000 Series
“Quality is our commitment” — at Folder Auto Parts Limited, we deliver precision-engineered filtration solutions.
Introduction
If you seek a high-performance OEM air filter AY120-NS043, then the Air Filter-Premium-OEM-AY120-NS043 / 16546-VB000 (and equivalents 16546-VB600, 16546-VB700, A6546-VB0X0) is exactly what your engine deserves. This filter is built to OEM specs, optimized for durability, airflow, and protection. In this article, we explain how it works, why it’s superior, show the OEM cross reference chart, list its materials and specs, and clarify how it enhances engine performance.
What Is an Automotive Air Filter & Why It Matters
An air filter in an internal combustion engine is the first line of defense against dust, dirt, insects, and debris entering the intake. Without a good filter, contaminants can damage pistons, cylinders, sensors, and degrade performance. A premium air filter:
Improves fuel efficiency
Protects engine internals
Enhances horsepower and torque
Helps maintain optimal fuel-air ratio
Reduces emissions and prolongs engine life
That’s why investing in a reliable OEM or equivalent-quality filter matters for every vehicle owner.
Advantages of the Premium OEM AY120-NS043 Air Filter
Here are the key advantages delivered by this product:
Advanced Filtration Technology – triple-layer media captures ultra-fine particles while permitting airflow.
High Dirt-Holding Capacity – can trap a large amount of particulate matter before needing replacement.
Premium Material Strength – robust structure using metal end caps, expanded mesh, and bonding ensures structural stability.
Up to 99% Filtering Efficiency – very high particle capture rate under typical conditions.
Rigorous Testing – each filter is burst-tested, dirt-loading tested, and performance verified.
Sure-Grip Design – molded edges or grip tabs simplify installation and removal.
Longer Service Life – protects for up to 6,000 km under normal driving conditions.
Optimized Airflow – ensures excellent volumetric flow, improving throttle response.
Stable Mechanical Structure – minimal deformation under engine vacuum/pressure thanks to high mechanical stability.
Better Combustion – more consistent fuel-air mixture yields smoother operation.
Wide Application Range – suitable for both Asian and European domestic vehicles (especially Nissan / Isuzu cross models).
These advantages translate into real-world benefits: fewer breakdowns, smoother engine behavior, better fuel economy, and longer engine life.
OEM & Cross-Reference Chart
Below is a table to help customers verify compatibility with various OEM numbers and equivalent references.
| Primary OEM / Reference | Equivalent / Cross-Ref Numbers | Supported Vehicle Model(s) |
|---|---|---|
| AY120-NS043 (Nissan OEM) | 16546-VB000 | Nissan Patrol, Safari, Civilian, Isuzu Journey |
| 16546-VB600 | Same models above | |
| 16546-VB700 | Same models above | |
| A6546-VB0X0 | Alternate VB series version | |
| — | — |
Note: Always double-check dimensions, sealing surfaces, and part fitment. Cross-references here are for guidance.
You can also verify cross references through tools like the Air Filter Cross Reference database. airfilter-crossreference.com
This ensures that if a customer has OEM 16546-VB700, they can still use the AY120-NS043 equivalent if dimensions match.
Material & Construction: Inside the Filter
To achieve reliable filtration and structural integrity, this air filter uses a layered, engineered build:
| Component | Specification / Feature | Purpose |
|---|---|---|
| Expanded Metal Mesh (outer) | 0.5 mm thickness | Protects filter media from external damage, provides strength |
| Perforated Metal Sheet (inner) | 0.5 mm | Supports media inward and prevents collapse under suction |
| Metal End Caps | Heavy-duty stamped ends | Seal the media and ensure rigidity |
| Filter Paper Media | 130 gsm base weight, high-performance blend | Captures dust, particles, maintains airflow |
| Hotmelt Adhesive (Bonding)** | High-grade bonding glue | Binds media to end caps and frame, ensures airtight seal |
How they work together:
The outer expanded mesh acts as a shield and backbone.
The inner perforated shell holds shape against pressure gradients.
The filter media is sandwiched between and filters out contaminants.
End caps and hotmelt adhesive ensure structural integrity and prevent media delamination or leaks.
Using high-quality materials ensures this filter resists vibration, temperature, and pressure fluctuations in automotive use.
Key Technical Specifications
Filter Paper Basis Weight: 130 gsm
Air Permeability: 400 L / (m² · s)
Maximum Pore Size: 145 µm
Minimum Pore Size: 90 µm
Dust Holding Capacity: 99.65 g / m²
These specs are carefully chosen to balance filtration efficiency and airflow, giving strong protection without restricting engine breathing.
Applications & Compatibility
This OEM filter and its equivalents are commonly used in the following vehicle models:
Nissan: Patrol, Safari, Civilian
Isuzu: Journey (or equivalent regional badge)
Always verify the filter housing dimensions, gasket shape, and sealing surfaces when retrofitting or replacing. Use the cross-reference table above to assist.
Installation & Usage Tips
Always replace the air filter when recommended—or sooner in dusty environments.
Before installing, gently tap it to remove loose dust.
Ensure the sealing surface is clean, flat, and undamaged.
Orient direction (some filters have airflow arrows).
Replace clamps or gaskets if worn.
Do not oil this type (unless specified) — it’s a dry-paper filter.
Check after first 100 km to ensure no leaks or loose fit.
Proper installation ensures performance and avoids damaging engine components.
Performance Comparisons & Value
Below is a simplified comparison of typical aftermarket vs premium OEM-grade filters:
| Metric | Generic Low-Cost Filter | Premium OEM AY120-NS043 |
|---|---|---|
| Filtration Efficiency | ~90–95% | Up to 99% |
| Dust Holding Capacity | Low | High |
| Structural Rigidity | Weak under vacuum | Strong under pressure |
| Longevity | 3,000–4,000 km | 5,000–6,000 km |
| Airflow Restriction | Moderate | Low |
| Durability | Prone to tearing, leaks | Robust bonding, stable structure |
| Value (per km) | Higher | Lower (in long run) |
When considering total lifecycle cost (damage avoidance, better fuel economy), the premium option is often more economical.
Why Choose Folder Auto Parts Limited?
Expertise in Filtration: We specialize in engine air filters, AC filters, oil filters, and fuel filters.
Strict Quality Controls: Every product goes through rigorous testing (burst, loading, mechanical).
Commitment to Excellence: Our slogan says it: “Quality is our commitment.”
Local Presence, Global Standards: Based in Bangladesh, serving local and international clients.
Support & Warranty: We back our products with customer support and warranty policies.
Company Info:
Folder Auto Parts Limited
📍 283, Noyapara, Bhabanipur-1740, Gazipur Sadar, Gazipur, Bangladesh
📧 folderautoparts@gmail.com
📞 Hotline: 01940-300999, 01719-438046
🌐 www.folderauto.com
🔗 Facebook: @Folder01719 | X (Twitter): https://x.com/FolderAuto
📸 Instagram: https://www.instagram.com/folderautoparts/
📺 YouTube: https://www.youtube.com/@folderautopartslimited7777/
We invite you to browse our Air Filter product catalog and related Blog article on filter maintenance (insert your actual internal links).
