Product Description
Genuine General Motors 1386476 Heat Riser Valve Assembly (NOS)
This New Old Stock (NOS) General Motors heat riser valve assembly, part number 1386476, is a critical component designed to regulate exhaust gas flow to the intake manifold. Its primary function is to quickly warm the intake manifold during cold engine operation, promoting better fuel atomization and improved engine performance and emissions during startup. This genuine vintage GM part is an authentic piece of automotive history, ideal for restoration projects where original equipment quality is paramount. The casting number 1359711 is visible on the part itself.
Key Features:
- Brand: General Motors
- Part Number: 1386476
- OEM Number: 1386476
- Condition: NOS (New Old Stock)
- Origin: Made in USA
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.
Please Note: Because our physical catalogs do not currently contain the specific application data for this vintage part number, we are unable to provide technical fitment advice or confirm if it will fit your vehicle. We kindly ask that you do not contact us regarding fitment inquiries for this item, as we do not have additional information beyond what is presented in the listing. This part is offered strictly for those who have independently verified the part number for their project.
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.
