Excavator Filters

320/B4420 Engine Oil Filter for JCB 444 448 Ecomax Engines

Q: What numbers are documented for 320/B4420?

Primary Manufacturer Part Number: 320/B4420. Formatting Alias: 320B4420. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 320/B4420 before ordering?

Match the complete part number, compare the connector or mounting arrangement with the product photos, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

320/B4420 Engine Oil Filter for JCB 444 448 Ecomax Engines, OEM/reference 320/B4420, Engine Oil Filter, product view 1

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OEM / reference320/B4420

SpecificationEngine Oil Filter

Catalog ID51644598

Engine oil filter identified by JCB part number 320/B4420. Both JCB's official parts page and common-engine-parts publication identify this number as an engine oil filter for 444 and 448 Ecomax engines. Four exact owned views show the same yellow spin-on filter. The unrelated fuel-filter numbers 320/A7120 and 320/07394 are removed.

Product Type: Engine oil filter
Configuration: Spin-on element

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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Part-number relationships

Relationship	Reference family	Number
Primary Manufacturer Part Number	JCB engine oil filter	320/B4420
Formatting Alias	Same number without slash	320B4420

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.

Part identification

Reference numbers

Primary number

320/B4420

Formatting alias

320B4420

Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

Engine Oil Filter

Category: Excavator Filters
Catalog ID: 51644598
Photo views: 4

Before ordering

Confirm these details

Match the complete part number on the original component.
Compare connectors, mounting points and visible dimensions with the product photos.
Confirm the exact machine or engine model and serial range before ordering.

Machine fitment

Compatible model references

2 model references

JCB engine family: 444 / 448 Ecomax engines
Fitment limitation: Confirm complete number, engine build and service specification

Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.

Quick fitment answers

Common questions about 320/B4420

Which machines use 320/B4420?

Recorded compatible model references include JCB engine family: 444 / 448 Ecomax engines, Fitment limitation: Confirm complete number, engine build and service specification. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 320/B4420?

Formatting aliases for the same number: 320B4420.

How do I confirm 320/B4420 before ordering?

Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.

Continue comparing verified references from the same system.

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