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Sealed Power 3870RA Engine Connecting Rod Bearing
Sealed Power 3870RA Connecting Rod Bearing
Sealed Power 3870RA is a standard size engine connecting rod bearing for A-Series aluminum engines. Built for precise housing bore and shaft dimensions, it supports consistent oil clearance in applications that require accurate bearing fit and dependable rotating assembly service.
Key Features
- Standard size connecting rod bearing for A-Series aluminum engines
- Housing bore range: 2.0524 to 2.0531 inches
- Oil clearance range: 0.0005 to 0.0028 inches
- Standard shaft range: 1.9270 to 1.9279 inches
- Overall length up to 0.6640 inches
- Wall thickness up to 0.0620 inches
Detailed Description
The Sealed Power 3870RA connecting rod bearing is engineered for standard size engine service where dimensional accuracy matters. Its specified bore, shaft, and oil clearance measurements help maintain proper bearing fit in the connecting rod assembly, making it a direct-match option for Cadillac DeVille, Eldorado, Seville, Fleetwood, Allante, Commercial Chassis, and 60 Special applications listed for A-Series aluminum engines. The 3870RA part number is also useful when cross-referencing replacement needs during engine rebuild or bearing service.
Sealed Power uses modern materials and ISO- and QS-certified manufacturing processes to produce engine components that meet demanding engine requirements. This part cross-references Bosch 18200 for the same application.
What It Is Used For
- Replacing worn connecting rod bearings during engine rebuilds
- Restoring proper oil clearance in the rod journal area
- Addressing bearing noise caused by wear or loss of clearance
- Correcting rod bearing fit issues in standard size applications
- Supporting service work on Cadillac DeVille and Cadillac Eldorado engines
Installation Notes and Tips
Verify engine code, rod journal size, and housing bore before installation. Measure the crankshaft and connecting rod dimensions against the listed specifications for the 3870RA to confirm standard size fitment. Clean all mating surfaces thoroughly, inspect the rod and crank journals for scoring or taper, and follow the engine builder’s torque and lubrication procedures during assembly.
Quality Assurance
Sealed Power manufactures this bearing using controlled production standards and certified quality systems to support consistent dimensional accuracy and repeatable engine service performance.
| Brand | Sealed Power |
|---|---|
| Part Number | 3870RA |
| Housing Bore Max (Inch) | 2.0531 |
| Housing Bore Min (Inch) | 2.0524 |
| Oil Clearance Max (Inch) | 0.0028 |
| Oil Clearance Min (Inch) | 0.0005 |
| Overall Length Max (Inch) | 0.6640 |
| Standard Shaft Max (Inch) | 1.9279 |
| Standard Shaft Min (Inch) | 1.9270 |
| Wall Thickness Max (Inch) | 0.0620 |
This part fits 65 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1995 | Cadillac | DeVille | 4.9L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1994 | Cadillac | DeVille | 4.9L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1993 | Cadillac | 60 Special | 4.9L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1993 | Cadillac | Commercial Chassis | 4.9L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1993 | Cadillac | DeVille | 4.9L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1993 | Cadillac | Eldorado | 4.9L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1993 | Cadillac | Seville | 4.9L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1992 | Cadillac | Allante | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1992 | Cadillac | Commercial Chassis | 4.9L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1992 | Cadillac | DeVille | 4.9L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1992 | Cadillac | Eldorado | 4.9L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1992 | Cadillac | Fleetwood | 4.9L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1992 | Cadillac | Seville | 4.9L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1991 | Cadillac | Allante | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1991 | Cadillac | Commercial Chassis | 4.9L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1991 | Cadillac | DeVille | 4.9L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1991 | Cadillac | Eldorado | 4.9L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1991 | Cadillac | Fleetwood | 4.9L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1991 | Cadillac | Seville | 4.9L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1990 | Cadillac | Allante | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1990 | Cadillac | Commercial Chassis | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1990 | Cadillac | DeVille | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1990 | Cadillac | Eldorado | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1990 | Cadillac | Fleetwood | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1990 | Cadillac | Seville | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1989 | Cadillac | Allante | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1989 | Cadillac | Commercial Chassis | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1989 | Cadillac | DeVille | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1989 | Cadillac | Eldorado | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1989 | Cadillac | Fleetwood | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1989 | Cadillac | Seville | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1988 | Cadillac | Allante | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1988 | Cadillac | Commercial Chassis | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1988 | Cadillac | DeVille | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1988 | Cadillac | Eldorado | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1988 | Cadillac | Fleetwood | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1988 | Cadillac | Seville | 4.5L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1987 | Cadillac | Allante | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1987 | Cadillac | Commercial Chassis | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1987 | Cadillac | DeVille | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1987 | Cadillac | Eldorado | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1987 | Cadillac | Fleetwood | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1987 | Cadillac | Seville | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1986 | Cadillac | Commercial Chassis | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1986 | Cadillac | DeVille | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1986 | Cadillac | Eldorado | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1986 | Cadillac | Fleetwood | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1986 | Cadillac | Seville | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1985 | Cadillac | Commercial Chassis | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1985 | Cadillac | DeVille | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1985 | Cadillac | Eldorado | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1985 | Cadillac | Fleetwood | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1985 | Cadillac | Seville | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1984 | Cadillac | DeVille | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1984 | Cadillac | Eldorado | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1984 | Cadillac | Fleetwood | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1984 | Cadillac | Seville | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1983 | Cadillac | DeVille | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1983 | Cadillac | Eldorado | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1983 | Cadillac | Fleetwood | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1983 | Cadillac | Seville | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1982 | Cadillac | DeVille | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1982 | Cadillac | Eldorado | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1982 | Cadillac | Fleetwood | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
| 1982 | Cadillac | Seville | 4.1L | V8 | N/A | Fits standard size engine connecting rod bearings for A-Series aluminum engines. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.