Caterpillar Part reference
Part number 0308189 is a flared connector listed in the Caterpillar catalog. The catalog associates it with hydraulic system entries for the 317B L and 317B LN, where it appears within the pump group-gear subgroup of a parent unit. This is a catalog association only; confirm fitment against your machine's specific configuration 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
LockedCheck the signed-in Part Book for available diagrams and the complete catalog breakdown.
| Part number | Description |
|---|---|
| 03***48 | elbow (3/4" tapped pumps) - 2nd type |
| 0308189 | connector-flared (current part) |
| 03***94 | connector-flared |
| 10***95 | filter group-oil; -hydraulic return |
Selected entries from this catalog unit. Other part numbers are masked. Confirm the full breakdown and your machine configuration before ordering.
View model pageGeneral guidance
In general, a flared connector is a fitting that joins hydraulic or fluid lines by seating a flared tube end against a matching fitting. Flared fittings are widely used on heavy equipment hydraulic circuits because they provide a durable, metal-to-metal sealing method that resists vibration.
Use part number 0308189 when identifying this connector in the catalog. Before ordering, check the recorded conditions and the parent assembly details shown on this page, since catalog listings do not establish compatibility for every machine configuration.
Catalog references
Locked