Caterpillar Part reference
Catalog part 0307978 is listed as an elbow-to hose assembly from Caterpillar. In the catalog it appears in a lubrication system listing associated with a Caterpillar 3406B, where it is recorded within a hydraulic oil cooler lines group. Confirm the recorded conditions for your machine before ordering.
Recorded applications
Selected catalog references that list this part. A catalog association does not confirm fitment for every machine or configuration.
Catalog context
Caterpillar 3406B
Check the signed-in Part Book for available diagrams and the complete catalog breakdown.
| Part number | Description |
|---|---|
| 03***76 | elbow-to hose as. |
| 0307978 | elbow-to hose as. (current part) |
| 1L***84 | clip-to hoses |
| 3B***32 | elbow oil pan drain |
Selected entries from this catalog unit. Other part numbers are masked. Confirm the full breakdown and your machine configuration before ordering.
Browse Caterpillar modelsGeneral guidance
In general, a hose assembly is a flexible fluid connection used to route oil or fluid between components in a machine. An elbow-to hose assembly typically includes an angled fitting that helps the line clear tight routing around other components.
Use part number 0307978 when requesting this item. The catalog lists it in association with a Caterpillar 3406B lubrication system and hydraulic oil cooler lines group, but the exact supplied contents, dimensions and any configuration conditions are not stated here, so check the catalog entry for your machine before ordering.