ST21020 Spin-On Fuel Water Separator for FS36210 612630080203 Fuel/Water Separator Replacement

ST21020 Spin-On Fuel Water Separator for FS36210 612630080203

Part Number: ST21020

Ref Cross: FS36210, 612630080203

Product Type: Spin-On Fuel/Water Separator with Drain

Function: Separates water and particulate contaminants from diesel fuel

Application: Diesel fuel systems using FS36210 or 612630080203 specifications

Largest OD: 108 mm

Overall Height: 255 mm

Thread Size: 1″-14

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ST21020 Fuel/Water Separator

The ST21020 is a spin-on fuel/water separator designed to help remove water and particulate contaminants from diesel fuel before the fuel reaches sensitive injection-system components.

It is cross-referenced with Fleetguard FS36210 and Weichai 612630080203. The supplied ST21020 filter has a largest outer diameter of 108 mm, an overall height of 255 mm and a 1″-14 mounting thread.

Product Identification

The lower drain structure allows collected water and contaminants to be discharged during routine maintenance. This product is supplied as the spin-on filter element shown in the product image; the filter head and mounting base are not included.

Fitment Check Before Ordering

Before ordering, compare the existing filter number, 1″-14 thread, outer diameter, overall height, sealing surface and lower drain structure. A matching cross-reference number alone should not replace a physical specification check, especially when another filter has a different overall height or lower-end configuration.