Product Description
Genuine GM 391924 Horn Relay Block Junction (NOS)
This genuine New Old Stock (NOS) GM part number 391924 Horn Relay Block Junction is a critical electrical component designed to manage the horn circuit in a wide range of classic Buick, Oldsmobile, and Pontiac vehicles from 1958 to 1967. This original GM component, featuring a Littelfuse relay, ensures reliable horn operation for models such as the Buick LeSabre, Electra, Skylark, and Riviera; Oldsmobile Dynamic 88, Cutlass, 98, and Toronado; and Pontiac Catalina, Bonneville, Grand Prix, and GTO.
Key Features:
- Brand: GM (General Motors)
- Part Number: 391924
- OEM Number: 391924
- Interchange Part Number: HR-122 (Standard Motor Products)
- Origin: Made in USA
- Condition: NOS (New Old Stock)
Fitment:
| Make | Model | Year | Engine | Notes |
|---|---|---|---|---|
| Buick | LeSabre / Invicta / Electra / Special / Skylark / Wildcat / Riviera / Century / Roadmaster / Super / Limited | 1958-1967 | Various | Horn Relay Block Junction |
| Oldsmobile | Dynamic 88 / Super 88 / Starfire / 98 / F-85 / Cutlass / Jetstar 88 / Delta 88 / Toronado / Fiesta | 1958-1967 | Various | Horn Relay Block Junction |
| Pontiac | Catalina / Star Chief / Bonneville / Grand Prix / Tempest / LeMans / GTO / Executive / Ventura / Safari | 1958-1967 | Various | Horn Relay Block Junction |
Fits Years:
1958 1959 1960 1961 1962 1963 1964 1965 1966 1967
Note on Stock Photos: Due to our inventory of multiple identical units for this specific part number, we utilize representative stock photos for this listing. You will receive a component that strictly meets all listed specifications and fitment requirements. Please be aware that because these are vintage parts, minor cosmetic variations—such as surface finish, color, or production markings—may exist between different manufacturing runs. These slight aesthetic differences are a result of historical production processes and do not impact the part's integrity, performance, or authenticity.
A Note on Fitment Accuracy: We manually research our fitment data using vintage manufacturer catalogs to provide you with the most accurate information possible. However, because we are human and these decades-old resources can occasionally contain errors, we cannot guarantee 100% accuracy. We strongly encourage you to perform your own due diligence and verify this part number for your specific application before purchasing. Please note that this part may also fit other vehicles or years not explicitly listed in our research.
Unbeatable Prices & Expectations
While many of our vintage parts were manufactured decades ago, they remain unused and high-quality. Some original boxes may show signs of shelf-wear, such as dust, tape, or surface distress from years of storage. Rest assured, the components inside have been inspected to ensure they are complete and ready to help you finish your project without breaking the bank.