| Fuel Filter P551435 FS19993 702704A1 Parameter: | |
| Part Number | P551435 FS19993 702704A1 |
| Brand | Tamfiney |
| Weight | 402g |
| Height | 197 mm |
| Outer Diameter | 83/88mm |
| Inner Diameter/ Thread Size |
|
| Minimum Order | 100 PCS |
| Place of Region: | Zhejiang, China |
| Payment Terms: | T/T |
| Price Terms: | FOB |
| Lead Time: | 30 to 50 days based on order quantities |
| Market Type: | After Market |
| Current Export Market: | Southeast Asian,North America, South America, Western Europe, Eastern Europe, Africa, Oceania |
Applications:
ATLAS COPCO XATS 375XAVS 186 JD
BOMAG BF 200 AC-5BW 138 AC-5BW 138 AC-5BW 138 AC-5BW 138 AD-5BW 138 AD-5BW 145 AD-5BW 145 D-5BW 145 DH-5BW 145 PDH-5BW 151 AC-5BW 151 AD-5 AMBW 154 ACP-4BW 154 ACP-4 AMBW 154 ACP-4I AMBW 154 AD-5BW 154 AP-4BW 154 AP-4 AMBW 154 AP-4IBW 154 AP-4I AMBW 154 APO-4I
Professional Fuel Pre-Filter P551435 FS19993 702704A1
Q: What is a fuel pre-filter?
The fuel pre-filter is the first filtering barrier installed between the fuel tank outlet and the main fuel filter in the fuel system (especially diesel vehicles). Its core function is to intercept large particulate impurities, moisture, and gum deposits in the fuel, and protect subsequent precision components (such as high-pressure fuel pumps and injectors) from wear or blockage.
Main functions
• Intercept large particles of impurities, such as rust, dust, and other particles with a diameter greater than 15-30 microns.
• Separation of moisture: Free water in the fuel is separated by gravity settling or centrifugal structure to the bottom drain valve, and regular discharge can prevent water from entering the high-pressure common rail system.
• Reduce the burden on the main filter: By preprocessing large impurities, the service life of the main filter element is extended.
Typical Structure and Characteristics
• Material: Transparent plastic or metal shells are commonly used for easy observation of internal water accumulation; Partially equipped with heating function (to prevent winter diesel wax deposition).
• Installation location: usually located near the fuel tank, external, easy to maintain.
• Drainage design: There is a manual or automatic drainage valve at the bottom, which needs to be operated regularly.
Maintenance recommendations
• Water release frequency: discharge accumulated water every 5000 kilometers or once a month.
• Replacement cycle: Generally, replace the filter element or overall components every 20000 to 40000 kilometers.
• Applicable scenarios: Especially recommended for use in dusty and high humidity environments (such as construction sites and long-distance transportation), which can significantly reduce the failure rate of fuel systems.
⚠️ Attention: The fuel pre filter does not replace the main fuel filter, but works in conjunction with it to form a two-stage protection system of "primay filter+secondary filter".
Q: Is a pre-filter necessary?
Yes, in Fuel system, The pre filter serves as the first line of defense, intercepting large particulate impurities (such as rust and dust) in diesel or gasoline and separating moisture, protecting the fuel pump, high-pressure common rail, and fuel injectors from wear or blockage. So diesel cars must have; Gasoline cars depend on the model, but it is recommended to equip them for long-term use.
It is recommended to discharge accumulated water every 5000 kilometers and replace it every 20000 to 30000 kilometers.
Q: How often should you replace a prefilter?
There is no unified standard for the replacement cycle of pre filters, and it needs to be comprehensively judged based on the type, usage environment, oil quality, and actual loss situation.
Automotive diesel pre filter
Normal operating conditions: Replace every 100-250 hours or 5000-10000 kilometers.
High dust environments (such as construction sites and mines): shortened to 50-100 hours or 3000-5000 kilometers.
Poor quality fuel: It may need to be replaced after 3000 kilometers.
