Product Description
Genuine Lempco S371 Crankshaft Gear (NORS)
This Lempco S371 crankshaft gear is a New Old Replacement Stock (NORS) component designed for various 1955-1979 Pontiac and Oldsmobile V8 engines. As a critical part of your engine's timing system, this gear ensures precise synchronization between the crankshaft and camshaft, vital for optimal engine performance and longevity. Lempco, established in 1918, was a reputable American manufacturer of automotive replacement parts, known for their quality and dependability.
Key Features:
- Brand: Lempco
- Part Number: S371
- Replaces OEM number: 546645
- Position: Crankshaft
- Engine Fitment: V8 (326, 350, 389, 400, 421, 428, 455 CID)
- Origin: USA
- Condition: NORS (New Old Replacement Stock)
Fitment:
| Make | Model | Year | Engine | Notes |
| Oldsmobile | 400 | 1975-1976 | V8 | Crankshaft Gear, 21 Teeth |
| Pontiac | 326 | 1963-1967 | V8 | Crankshaft Gear, 21 Teeth |
| Pontiac | 350 | 1971-1977 | V8 | Crankshaft Gear, 21 Teeth |
| Pontiac | 350P | 1968-1970 | V8 | Crankshaft Gear, 21 Teeth |
| Pontiac | 389 | 1955-1965 | V8 | Crankshaft Gear, 21 Teeth |
| Pontiac | 400 | 1959-1979 | V8 | Crankshaft Gear, 21 Teeth |
| Pontiac | 421 | 1963-1966 | V8 | Crankshaft Gear, 21 Teeth |
| Pontiac | 428 | 1967-1969 | V8 | Crankshaft Gear, 21 Teeth |
| Pontiac | 455 | 1970-1976 | V8 | Crankshaft Gear, 21 Teeth |
Fits Years:
1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 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 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.
