Product Description
Genuine Federal Mogul 5025M-10 Main Bearing Set (NORS)
This genuine Federal Mogul 5025M-10 Main Bearing Set is a premium New Old Replacement Stock (NORS) component, specifically engineered for the high-performance Chrysler RB-Series Big Block V8 engine family. Manufactured in the USA, these bearings provide the essential oil clearance and high-load durability required for the 413, 426 (Wedge), and 440 cubic inch displacements utilizing the 2.750" main journal. Featuring a .010" undersize and a partial-groove design, this set is a critical requirement for maintaining proper crankshaft alignment and restoring correct oil pressure in late-1970s Mopar power plants where the crankshaft journals have been professionally turned. It is a direct fit for iconic 1974-1979 Chrysler, Dodge, and Plymouth models, including the Charger, Road Runner, and Newport, as well as heavy-duty truck and motorhome applications utilizing the 3.930" flange diameter crankshaft.
Key Features:
- Brand: Federal Mogul
- Part Number: 5025M-10
- OEM Number: 3751888, 4027175
- Interchange: MS964P-10, MB5162-10, 2331RA, 2332RA, 2333RAA
- Position: Crankshaft Main Bearings
- Size: .010" Undersize
- Engine Fitment: 413 / 426 / 440 V8 (RB-Block Mopar)
- Flange Specs: 3.930" Flange O.D.
- Origin: Made in the USA
- Condition: NORS (New Old Replacement Stock)
Verified Vehicle Fitment:
| Make | Model | Year | Engine | Notes |
|---|---|---|---|---|
| Dodge / Plymouth | Charger / Road Runner / Coronet / Fury / Satellite | 1974-1978 | 440 V8 | RB-Block (2.750" Main Journal) |
| Chrysler / Imperial | Newport / New Yorker / Cordoba / Imperial | 1974-1979 | 440 V8 | RB-Block (2.750" Main Journal) |
| Dodge Truck | D200 / D300 / W200 / W300 / Motorhome Chassis | 1974-1979 | 413 V8 / 440 V8 | Fits 3.930" Flange Crankshafts |
Fits Years:
1974 1975 1976 1977 1978 1979
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 and cross-reference our fitment data using vintage manufacturer catalogs. While we strive for 100% accuracy, these decades-old resources—and the humans reading them—can occasionally contain errors. Additionally, these parts may fit other vehicles and years not explicitly listed in our data. To ensure a seamless restoration, we kindly ask that you perform your own due diligence and verify that this specific part number is correct for your application prior to purchase.
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.
