Sealed Power 4-1025PA Engine Connecting Rod Bearing Set

Sealed Power 4-1025PA Connecting Rod Bearing Set

Sealed Power 4-1025PA is a standard-size engine connecting rod bearing set for select Toyota, Geo, and Chevrolet applications. Built for precise housing bore and shaft dimensions, it supports proper oil clearance in engines that require accurate bearing fitment.

Key Features

• Standard size engine connecting rod bearing set
• Full set configuration for service replacement
• Housing bore range: 1.6931-1.6939 in. (43.0050-43.0250 mm)
• Standard shaft range: 1.5740-1.5748 in. (39.9800-40.0000 mm)
• Oil clearance range: 0.0005-0.0031 in. (0.0130-0.0790 mm)
• Overall length: up to 0.6730 in. (17.0900 mm)
• Wall thickness: up to 0.0587 in. (1.4910 mm)
• Interchanges with 4B1710, CB1361A4, and CB1361P

Detailed Description

Sealed Power 4-1025PA is engineered for engine rebuild and repair work where connecting rod bearing dimensions must stay within tight limits. The standard-size design is suited for applications that call for original-size bearing replacement, while the measured housing bore, shaft, and oil clearance specifications help support correct crankshaft support and lubrication control. This part number is listed for 1983-1997 Toyota Corolla, 1983-1984 Toyota Tercel, 1985-1989 Toyota MR2, 1990-1993 Toyota Celica, 1984-1988 Toyota Tercel, 1984-1997 Toyota Corolla, 1985-1988 Chevrolet Nova, and 1989-1997 Geo Prizm coverage across the listed engine applications. If you are searching for a Sealed Power 4-1025PA connecting rod bearing set for Toyota Corolla or a standard-size rod bearing set for Geo Prizm and Chevrolet Nova applications, this part number is a direct match to the cataloged fitment.

Sealed Power states that its parts use advanced designs, modern materials, and ISO- and QS-certified manufacturing processes to meet the demands of current engine service work. This part cross-references 4B1710 and CB1361P for the same application.

What It Helps Address

• Rod bearing wear found during engine teardown
• Loss of proper oil clearance at the connecting rod journal
• Noise caused by worn or damaged rod bearings
• Engine rebuilds requiring standard-size replacement bearings
• Restoration of correct bearing fit in Toyota, Geo, and Chevrolet engines

Installation Notes and Tips

Verify crankshaft journal size, housing bore, and oil clearance before installation. Clean all mating surfaces thoroughly, follow the engine builder’s torque specifications, and use assembly lubricant during installation. Confirm that the bearing size matches the engine’s standard specification before final assembly. Fitment includes 1983-1997 Toyota Corolla, 1983-1988 Toyota Tercel, 1985-1989 Toyota MR2, 1990-1993 Toyota Celica, 1985-1988 Chevrolet Nova, and 1989-1997 Geo Prizm, with year-specific coverage varying by model.

Quality Assurance

Sealed Power manufactures this connecting rod bearing set using ISO- and QS-certified processes and materials selected for modern engine service requirements. The brand’s manufacturing approach emphasizes dimensional consistency and dependable fit for rebuild work.