Product Images
Product Parameters
|
Parameter Category |
Detailed Description |
Parameter Category |
Detailed Description |
|
Brand/Manufacturer |
Fleetguard, a Cummins subsidiary |
Absolute Filtration Accuracy |
Approximately 5-10 micrometers (this is the typical range for bypass filters designed to capture extremely fine particles) |
|
Original Part Number |
3889311 |
Filtration Efficiency |
Filtration efficiency for particles of a specific size (e.g., 10 microns) is typically > 99%. |
|
Fleetco Model |
LF777 |
Dirty Holding Capacity |
High (designed to hold large amounts of fine contaminants, long service life) |
|
Product Name |
Oil bypass filter / Oil fine filter |
Maximum Operating Pressure |
Approx. 4 - 6 bar (60 - 90 psi) |
|
Product Type |
Spin-on, disposable filter |
Temperature Resistance |
Filter media and seals can withstand oil temperatures up to approximately 120°C. |
|
Main Functions |
Connected in parallel with the main full-flow filter, it performs fine filtration of 5-10% of the engine oil, removing fine particles and soot, and extending the life of the engine oil and engine. |
Internal Bypass Valve |
Not typically included. A bypass filter loses its filtering function when clogged, but will not affect the main oil supply. |
|
Height |
Approximately 190 mm (this is a common value; please refer to the actual product). |
Applicable Engines |
Widely used in Cummins ISL, ISMe, ISX, QSM11 series heavy-duty diesel engines. |
|
Diameter |
Approximately 116 mm (this is a common value; please refer to the actual product). |
Applicable Equipment |
Suitable for heavy-duty trucks, construction machinery, generator sets, mining equipment, etc., equipped with Cummins engines. |
|
Mounting Threads |
Typically 1½"-12UNF-2B or similar standard (old parts or manuals must be checked before installation). |
Important Notes |
1. Always refer to the equipment maintenance manual when replacing. |
|
Sealing Ring Material |
Oil-resistant rubber |
2. Before installation, verify that the physical dimensions of the new part are completely identical to the old part. |
|
|
Filter Media |
High-performance synthetic filter paper or special filter media |
3. It is recommended to use genuine Cummins or Fleetguard certified filter products to ensure performance. |
Product Advantages
The 3889311 LF777 filter element is a high-performance bypass oil filter system manufactured by Fleetguard, a subsidiary of Cummins. Its main advantages and features include:
Extreme filtration precision: Effectively removes tiny suspended particles, dust, impurities, sludge, and resinous oxidation products from the oil;
Significantly extended oil life: By continuously removing contaminants that degrade the oil, it effectively maintains the oil's lubricating properties and cleanliness, thereby extending the replacement intervals of the oil and main filter and reducing engine maintenance costs;
Superior engine protection: Removing fine wear particles significantly reduces wear on core engine components, improving engine safety, reliability, and lifespan;
Maintaining engine performance: Cleaner oil means better lubrication and cooling, helping the engine maintain stable power output and fuel economy;
Rugged and reliable construction: Utilizing metal end caps and a high-quality housing, it ensures structural integrity and sealing under heavy equipment and harsh operating conditions.
FAQ
Q1: Where is your shipment sourced? What logistics company do you use?
We ship from major industrial port cities in China. We cooperate with internationally renowned logistics service providers (such as DHL, FedEx, UPS, etc.) to provide various transportation options, including air freight and sea freight, based on your destination and time requirements, ensuring safe and efficient delivery of your goods to your designated delivery address.
Q2: How long does it usually take to ship to my country?
Transportation time depends on the address in the country; typically 5-60 days.
Q3: What are the shipping costs? Does the price include customs duties and taxes?
Shipping costs are calculated based on the weight/volume of the goods, destination, and mode of transport. You can enter your accurate delivery address at checkout to get a real-time shipping quote.
Please note: Our quotes typically do not include import duties, value-added tax (VAT/GST), or any other customs fees in the destination country. These fees are borne by the buyer, and the specific amount depends on your country's customs policies. We recommend that you familiarize yourself with local import regulations in advance.
Q4: Can you provide the documents required for customs clearance?
Of course, we fully support this. We provide complete, accurate, and professional commercial invoices, packing lists, and certificates of origin for every batch of international shipments, as well as other necessary documents for customs clearance. These documents clearly indicate the product name, model (3889311/LF777), quantity, unit price, and total price to ensure a smooth customs clearance process.
Q5: What is the product packaging like? How do you ensure it is not damaged during long-distance transportation?
We place great importance on product protection. Each LF777 filter is individually packaged in a factory-standard or industry-standard cardboard box. For international shipping, we place the filters in reinforced cartons, fully filled with shock-absorbing materials (such as bubble wrap and foam) to prevent packaging damage or product deformation due to bumps, collisions, or compression during long-distance transportation.
Q6: I have a large order quantity; are there any discounts?
Absolutely. We welcome large purchase orders. For competitive bulk purchases, we can offer more attractive prices and preferential shipping plans. Please contact us directly via site message or email, informing us of your specific needs and quantity, and our sales team will provide you with a customized quote.
Q7: What if I receive the wrong or damaged goods?
Wrong Item Sent: If you receive the wrong model or quantity due to our error, we will cover all costs for a free replacement or refund.
Transportation Damage: Please inspect the outer packaging upon receipt. If you find serious damage to the package, please take photos immediately and contact the logistics company and us. Once it is confirmed that the damage occurred during transportation, we will initiate the insurance claim process and arrange for a reshipment as soon as possible.
Please refer to our "International Sales Terms and After-Sales Service Policy" for specific procedures.
Q8: How do I confirm that this filter is compatible with my Cummins engine model?
The bypass oil filter system is a bypass filter widely used in Cummins ISL, ISMe, QSX15, and other series engines. The safest approach is to check the specified part number in your engine repair manual or the model number of your existing old filter before ordering to confirm whether it is LF777 or 3889311. You can also tell us your engine model, and we will assist you in confirming compatibility.
Friendly reminder:
Please feel free to contact us if you have any questions before placing your order!
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