Home› Engine > Bearings› Sealed Power 3870RA Engine Connecting Rod Bearing
Sealed Power 3870RA Engine Connecting Rod BearingOE Quality 60-Day Returns
Part #: 3870RA

Sealed Power 3870RA Engine Connecting Rod Bearing

⚙️ 65 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$14.54Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, DeVille, 60 Special, Commercial Chassis, Eldorado, Seville, Allante, and Fleetwood
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Engine Connecting Rod Bearing options

Sealed Power 3870RA Engine Connecting Rod Bearing Overview

The Sealed Power 3870RA engine connecting rod bearing is engineered for precise fitment and reliable performance in select Cadillac models. Designed to meet exacting specifications, this bearing supports smooth engine operation and durability in vehicles such as the Cadillac DeVille and Eldorado.

  • Housing Bore Diameter: 2.0524 to 2.0531 inches
  • Oil Clearance Range: 0.0005 to 0.0028 inches
  • Overall Length Maximum: 0.6640 inches
  • Standard Shaft Diameter: 1.9270 to 1.9279 inches
  • Wall Thickness Maximum: 0.0620 inches

Technical Specifications and Performance Details

The 3870RA connecting rod bearing from Sealed Power is manufactured to tight tolerances to ensure optimal oil clearance and housing bore dimensions. With a housing bore max of 2.0531 inches and a minimum of 2.0524 inches, this bearing maintains proper alignment within the engine block. The oil clearance range between 0.0005 and 0.0028 inches allows for adequate lubrication, reducing friction and wear on the connecting rod journal. The overall length of 0.6640 inches and wall thickness up to 0.0620 inches contribute to the bearing's structural integrity under engine load. The standard shaft diameter range of 1.9270 to 1.9279 inches ensures compatibility with the connecting rods of specific Cadillac engines.

Compatible Cadillac Models and Applications

This engine connecting rod bearing is compatible with a range of Cadillac vehicles, including the 60 Special, Allante, Commercial Chassis, DeVille, Eldorado, Fleetwood, and Seville. The part number 3870RA is specifically designed to meet the requirements of these models, providing a reliable replacement option for engine rebuilds or repairs.

  • Reduces engine knocking caused by worn bearings
  • Prevents excessive connecting rod journal wear
  • Maintains proper oil clearance to avoid lubrication failure
  • Supports engine longevity by minimizing friction
  • Addresses bearing noise and vibration issues

Installation Notes and Tips

When installing the Sealed Power 3870RA bearing, ensure the engine block and connecting rod journals are clean and free of debris. Verify the housing bore and shaft dimensions match the specified tolerances to maintain proper oil clearance. Use assembly lubricant during installation to prevent initial wear. It is recommended to check bearing alignment and torque specifications according to the Cadillac service manual for the specific model.

Quality Assurance and Warranty Information

Sealed Power bearings are manufactured under strict quality control standards to meet OEM specifications. The 3870RA bearing undergoes dimensional inspections and material testing to ensure durability and performance. While specific warranty details may vary, Sealed Power typically offers coverage against manufacturing defects, providing confidence in the product's reliability for Cadillac engine applications.

BrandSealed Power
Part Number3870RA
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:

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.

* 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:

180066211800908518200BB633JCB1351ACB1351P

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.