Easterner Clear Fuel Filter Replacement Bowl with Drain MMS-4903
mms-4903
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Easterner Clear Filter Bowl
Bowl-only replacement with drain
A transparent replacement collection bowl for compatible Easterner water-separating fuel-filter assemblies. The clear body allows inspection for collected water and debris; the bottom drain allows controlled servicing.
Key Features
- Transparent body for visual inspection
- Integral bottom drain
- Replacement for compatible Easterner separator assemblies
- Fuel-resistant marine service component
- Supplied as bowl only
Technical Specs
| Part type | Replacement separator bowl |
| Brand compatibility | Selected Easterner filter assemblies |
| Inspection | Clear visual bowl |
| Service feature | Bottom drain |
| Included | Bowl only |
| 4Boats SKU | mms-4903 |
Compatibility / Fitment Guide
Do not identify fitment from the filter’s general appearance. Before ordering, remove the existing bowl and compare its thread diameter/pitch, sealing face, O-ring location and drain design with the product photographs and measurements.
| Confirmed family | Replacement bowl for compatible Easterner water-separating fuel-filter assemblies that use this reusable clear-bowl interface. |
| Filter-element references | Some Easterner separator kits use Mercury/Yamaha-pattern elements such as 35-809097 or S3213-style elements, but that does not prove bowl-thread compatibility by itself. |
| Seal check | Use the correct fuel-resistant O-ring/gasket for the element. Replace flattened, swollen or cut seals; lubricate only as the filter maker specifies. |
| Installation location | Clear plastic bowls may be prohibited in enclosed petrol-engine compartments. Verify the boat’s applicable installation rules; use the required metal/fire-tested bowl where mandated. |
| Not suitable for | Any bowl with a different thread, sealing land, drain, diameter or clearance; do not force a near match. |
Part Number Cross Reference
| Easterner description | Filter Bowl Only / reusable clear-bowl type |
| Related element family | 35-809097 / S3213 pattern — element reference only, not proof of bowl fit |
| 4Boats SKU | mms-4903 |
Cross-reference numbers above describe a related filter-element pattern. They must not be used alone to select this bowl.
Frequently Asked Questions
Does it include the filter element?
No, this listing is for the clear bowl only.
Will it fit every S3213-style filter?
Not necessarily. The bowl interface can differ even when the spin-on element cross-reference is similar.
Can I use it in an enclosed engine bay?
Only if the material and assembly are expressly permitted by the applicable marine fuel-system rules. Clear plastic bowls are commonly restricted in enclosed petrol compartments.
When should it be replaced?
Replace it if cracked, crazed, distorted, leaking, chemically softened or if the drain no longer seals.
After servicing, prime the fuel system and inspect the bowl, drain and upper seal for leakage. Never drain fuel into the bilge.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
