Freightliner Columbia / Cascadia Headlight Bulb Holder Socket Automann - 577.46045

Automann-listed headlamp holder socket. For a 3157AK bulb; supplier-listed Columbia use with 564.46049 and 564.46050 type lamps, with Cascadia also listed.

Literal exact own-article heading identification only, not an operating-function claim. Heading dimensions, material abbreviations, origin and vehicle words are not independently approved engineering, manufacture or fitment facts. No genuine OEM manufacture, physical stock/package bridge, kit BOM, interchange or variant approval. Separately bound accepted body fields retain their complete qualifications; every original hold and unresolved note survives.

Preserve all printed application and installation qualifiers

SOURCE-only proposed lead from the complete existing exact-own use/contents/role field. No title-derived function, supplier-prefix removal, new compatibility, genuine-counterpart manufacture, reciprocal/transitive substitution, physical sale-unit/package approval or hold release. Whole original and source qualification envelopes must remain bound; a compact lead does not replace them.

3157AK and exact564.46049/564.46050 type lamps remain the explicit Description relation. Cascadia stays a source notice; related H11/P3 lamps are not added to compatibility or contents.

Retain type-lamp wording and no exact years; RelatedH11/P3 does not supply new fitment; held genericFreightliner field stays held.