
Product Overview
This high-performance air filter is engineered as a direct replacement for Caterpillar 3306 diesel engines. Designed to meet or exceed OEM specifications, it ensures optimal engine protection and performance in demanding industrial and commercial applications. We specialize in global B2B supply, serving major markets across North America, Europe, the Middle East, and Asia-Pacific with reliable, cost-effective engine components.
Key Features & Benefits
- Superior Engine Protection: High-efficiency filtration media traps harmful dust, dirt, and debris before they can enter the engine, preventing premature wear and damage to critical components like pistons, cylinders, and turbochargers.
- OEM-Compatible Design: Manufactured to precise OEM dimensions and specifications, ensuring a perfect fit and seamless integration with your Caterpillar 3306 engine without modification.
- Enhanced Durability: Constructed with robust materials and a reinforced sealing gasket to withstand high airflow and vibration, providing reliable service in extreme operating conditions.
- Optimized Airflow: Engineered to maintain excellent airflow with minimal restriction, supporting efficient combustion, maximum horsepower, and optimal fuel economy.
- Cost-Effective Solution: Delivers OEM-level performance and protection at a competitive price point, reducing total operating costs for fleets and equipment operators.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Air Filter |
| Compatible Engine Model | Caterpillar 3306 |
| Engine Type | Diesel |
| Dimensions | OEM Size (Exact Fit) |
| Approximate Weight | 2 kg |
| Warranty | 6 Months |
| Packing | Plastic Bag, Box, Carton |
| Selling Unit | Single Item |
| Place of Origin | Guangdong, China |
OEM Cross-Reference
This is a high-quality aftermarket replacement part designed to match the performance of the original Caterpillar filter. It is engineered to be a direct substitute. For precise confirmation, please verify the physical dimensions against your original part or consult with our technical team. Common OEM reference numbers for the 3306 air filter assembly include series within the Caterpillar 1W-xxxx and 9W-xxxx part number families.
Compatibility
Primary Application: Caterpillar 3306 Diesel Engine.
Equipment Applications: This filter is suitable for a wide range of machinery and vehicles powered by the Cat 3306 engine, including but not limited to:
- Forklifts
- Excavators
- Trucks
- Wheel Loaders
- Bulldozers
- Buses & Coaches
- Industrial Generators & Pumps
Global Supply & Distribution
We are a professional exporter of heavy-duty engine parts with extensive experience in international logistics and trade compliance. Our streamlined supply chain ensures efficient delivery to key industrial hubs worldwide.
- Worldwide Shipping: We ship to all major markets, including the USA, Canada, Germany, UK, UAE, Australia, and Southeast Asia.
- Fast Delivery Network: Consolidated shipments to major ports (e.g., Los Angeles, Rotterdam, Singapore, Dubai) with reliable inland forwarding options.
- B2B Focus: We support bulk orders, provide commercial invoices, packing lists, and all necessary export documentation (CO, etc.) for smooth customs clearance.
Quality Assurance
Every part is manufactured under strict quality control protocols to ensure reliability and performance.
- Testing & Inspection: Products undergo rigorous machinery tests. Video outgoing-inspection reports can be provided upon request to verify quality before shipment.
- Warranty: Backed by a solid 6-month warranty from the date of purchase, covering defects in materials and workmanship.
- Standards: Produced to meet the performance and dimensional standards required for Caterpillar 3306 engines.
FAQ
Q: How can I be sure this filter will fit my specific Caterpillar 3306 engine?
A: This filter is manufactured to the exact OEM size and specifications for the 3306 engine. We recommend comparing the dimensions and shape of your old filter with our product specifications. For absolute certainty, you can provide us with your old part number or photos, and our technical team will confirm compatibility.
Q: What is the recommended service interval for this air filter?
A: Service intervals depend heavily on operating environment (e.g., dusty vs. clean conditions). Always follow the equipment manufacturer’s recommended maintenance schedule. As a general rule, inspect the filter regularly and replace it when restricted airflow is indicated or as per your preventive maintenance program.
Q: Do you offer support for large fleet orders and customized logistics?
A> Yes. We specialize in supplying B2B and fleet clients. We can arrange container load (FCL) shipments, provide competitive bulk pricing, and work with your preferred freight forwarder for door-to-door delivery. Contact our sales team for a tailored quote and logistics solution.
Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.
2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.
3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.
4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.
5. Scientific ERP system, easy and fast to locate the parts that customer needs.
6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.
Exhibition

Packing&Shipping

1. Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).
2. Once we get confirmation of payment, we will ship products in 2 days.
3. Our packaging is standard export wooden box or others as your requirement.
4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ
Q1. What is your company major products?
A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.
Q2.What is the MOQ?
A: Normally we can supply any quantity if we have in stock.
Q3. What is your payment term ?
A: We accept Western Union, T/T, Paypal.
Q4. What is the packing ?
A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.
Q5. When can you deliver products after payment ?
A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .
Q6. What can you do to complete order perfectly ?
A: In the beginning , We will communicate with clients in details to understand what they need .
Before packing , We will check the products and send photos to clients .After confirmation ,
We will packing products well to avoid damage . Once we get tracking number ,
We will send it to customer and keep contact in with clients .