Sealed Power 3870RA Engine Connecting Rod Bearing
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Sealed Power

Sealed Power 3870RA Engine Connecting Rod Bearing

Brand Sealed Power 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
Fits Cadillac · 65 vehicles

Standard size. Fits a standard connecting rod bearing application.

Precision oil clearance. Maintains tight clearance for consistent lubrication.

ISO and QS certified. Manufactured to rigorous quality standards.

Cross-references Bosch 18200, 18006621 and 18009085 for the same application. See all 6.

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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.

This part fits 65 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1995CadillacDeVille4.9LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1994CadillacDeVille4.9LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1993Cadillac60 Special4.9LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1993CadillacCommercial Chassis4.9LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1993CadillacDeVille4.9LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1993CadillacEldorado4.9LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1993CadillacSeville4.9LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1992CadillacAllante4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1992CadillacCommercial Chassis4.9LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1992CadillacDeVille4.9LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1992CadillacEldorado4.9LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1992CadillacFleetwood4.9LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1992CadillacSeville4.9LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1991CadillacAllante4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1991CadillacCommercial Chassis4.9LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1991CadillacDeVille4.9LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1991CadillacEldorado4.9LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1991CadillacFleetwood4.9LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1991CadillacSeville4.9LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1990CadillacAllante4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1990CadillacCommercial Chassis4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1990CadillacDeVille4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1990CadillacEldorado4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1990CadillacFleetwood4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1990CadillacSeville4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1989CadillacAllante4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1989CadillacCommercial Chassis4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1989CadillacDeVille4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1989CadillacEldorado4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1989CadillacFleetwood4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1989CadillacSeville4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1988CadillacAllante4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1988CadillacCommercial Chassis4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1988CadillacDeVille4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1988CadillacEldorado4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1988CadillacFleetwood4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1988CadillacSeville4.5LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1987CadillacAllante4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1987CadillacCommercial Chassis4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1987CadillacDeVille4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1987CadillacEldorado4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1987CadillacFleetwood4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1987CadillacSeville4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1986CadillacCommercial Chassis4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1986CadillacDeVille4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1986CadillacEldorado4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1986CadillacFleetwood4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1986CadillacSeville4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1985CadillacCommercial Chassis4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1985CadillacDeVille4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1985CadillacEldorado4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1985CadillacFleetwood4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1985CadillacSeville4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1984CadillacDeVille4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1984CadillacEldorado4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1984CadillacFleetwood4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1984CadillacSeville4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1983CadillacDeVille4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1983CadillacEldorado4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1983CadillacFleetwood4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1983CadillacSeville4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1982CadillacDeVille4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1982CadillacEldorado4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1982CadillacFleetwood4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1982CadillacSeville4.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 182001800662118009085BB633JCB1351ACB1351P