Product Description
Genuine Michigan 1431 K Main Bearing Set (NOS)
This genuine Michigan (D.A.B. Industries) main bearing set is a critical internal engine component designed to provide a low-friction surface for the crankshaft journals. Manufactured in the USA to precise tolerances, these standard-size (STD) bearings ensure proper oil clearance and structural support for the rotating assembly during engine operation. The set includes the necessary bearing shells to provide consistent lubrication and performance for a high-quality engine rebuild or restoration.
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.
Key Features:
- Brand: Michigan
- Part Number: 1431 K
- Interchange: 44.1 M / 4431 M
- Size: Standard (STD)
- Components: Full Main Bearing Set
- Origin: Made in the USA
- Condition: New Old Stock (NOS)
Note on Photos: The images provided are of the actual item you will receive. Please inspect the photos carefully to confirm the condition and specific features of the part. Because these are vintage components, minor surface variations or packaging wear may be present; however, the part pictured is the exact unit being sold.
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.