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Filter PL420 can't replace filters PL421

Filter PL420 can't replace filters PL421

In the past, the PL420 was used as the first primary filter for the fuel tank girders. There is no pressure. The common rail is pressurized, and the PL420 is under negative pressure. Before the appearance of the electronic pressure pump, the transparent cup is very safe, there is no pressure damage to the transparent cup, but with the advent of the electronic pressure pump, the engine's two coarse filters change from negative pressure to 4 positive pressures or even greater pressure. The old-fashioned PL420 transparent cup has the risk of oil leakage. Some OEMs changed the PL420 on the engine to the PL421 without a cup. However, some OEMs did not consider this problem. They still loaded the PL420. (There are now Delong) there are design risks. It is recommended to use the filter PL421 for models equipped with an electronic pump. Filters PL420 and PL421, we can provide, if you need, please feel free to contact us.

1: How about Our filters quality?
We have to learn genuine filters material and technology first, then produce filters according to genuine standard, so our filters with genuine quality standard.


2: What is your MOQ?

We have stock large quantity Filters, if the filters are in stock, we can supply you abse on small quantity.


3: Can we send the parts to your address?

Yes, we have cooperated many forwarders more than 10 Years. So we can help you to arrange the shipment. By Express, By Air Plane, By Sea. Save your time, Save your freight charge and guarantee goods safety.


4: If can make the parts with your own brand packing?

Yes, We can make the packing the parts with your brand packing, Please supply your brand packing Design photos and Details.


5: What is the best Delivery time?

That need about 3 days to ready if the filters are in stock, the ex-stock need 7-14 days to ready.


6: Are we Manufacture or Trade company?

We are Filters Manufacture,We begin to produce filters from 2009. Our own Filters Factory local in Wenzhou city, Have Export Office Locate in Xiamen City.


7:What is the payment terms? How can you pay you?

Our payment terms is 30% for down payment, the balance payment before shipment.We can accept the T/T,Paypal,Western union, MoneyGram and RMB


8:Could we send our old customers information to you?

Protecting customer privacy is our obligation,so I have to say sorry,we can not send our customers details to you,we can not send your information to other customers. hope you can understand.


9:What is the price Terms?

Our Price Terms is EX.W terms, If you need the FOB or CFR charge,We have to check the total volume and total weight when you confirm the whole order quantity, that can check the right charge.


10:Do you have warehouse or agent in my Country?

Sorry, we without warehouse in foreign, we have to send the goods from china to your warehouse directly.


11:How to sure our filters quality is good quality?

First, you can buy some samples to check our quality,the filters quality is base on the filter material and Technology. that will be clearly for you.


12:Why our price is more high than other supplier from china?

First:Our filters filtration material from HV, Alstrom, Gessner--The filtration quality is very import for filters filtration efficiency;

Second:Our Filter Technology with genuine standard;

Third: Our Service is Sales manager service,anything will be high efficiency.

Please believe "You get what you pay for".



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