23573148 Main Bearing Kit | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D8 0.07mm Undersize Main Bearing Shell Kit - All Seven Journal Positions - Part Number: 23573148

A genuine Volvo Penta O.S. 0.07mm crankshaft main-bearing shell pair for D8 engines using the common-bearing architecture at all seven main journals.

One kit services one main-bearing journal. Seven identical kits are required to renew all seven journals in a complete six-cylinder engine.

⚙️ Key Features

• Genuine Volvo Penta OEM main-bearing kit

• Correct Volvo Penta part number 23573148

• Bearing grade: O.S. 0.07mm

• Suitable for positions 1-7 only where the all-position crankshaft design is specified

• Seven kits required for a complete engine

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 22627433 → 23573148

• 23573148 current Volvo Penta service reference for the corresponding bearing grade

OEM / Related Numbers:

• 23573148

• 22627433

• 23573145 standard-size all-position kit

• 23573148 0.07mm undersize all-position kit

• 23573151 0.25mm undersize all-position kit

• 23573154 0.50mm undersize all-position kit

• 23573157 0.75mm undersize all-position kit

• 21908099 / 21908101 standard thrust-washer grades

• 21939706 / 21939708 oversize thrust-washer grades

• 22937567 / 22074323 related crankshaft references depending on engine revision

Kit Contents:

• Upper main-bearing shell - supplied under kit number 23573148 - quantity 1

• Lower main-bearing shell - supplied under kit number 23573148 - quantity 1

• Complete seven-journal engine requires quantity 7 of this kit

Aftermarket / Verified Equivalents:

• MOPA Motorparts replacement bearing kit: comparison number 23573148

🚤 Compatibility

Commonly used on:

• Volvo Penta D8 crankshaft overhaul

• Replacement of one main-bearing shell pair after crankshaft measurement

Typically suits:

• Engine / Drive models:

• D8A1-A MP / D8A2-A MP / D8A3-A MP / D8A4-A MP where the crankshaft diagram specifies one common bearing grade at all seven journals

• D8A5-A MH / D8A6-A MH where the same all-position bearing architecture is specified

• D8A5-A MG / D8A6-A MG

• TAD840GE / TAD840GE-B

• TAD840VE / TAD841VE / TAD842VE / TAD843VE

• TAD850VE / TAD851VE / TAD852VE / TAD853VE

• TAD870VE / TAD871VE / TAD872VE / TAD873VE

• TAD880GE / TAD881GE / TAD882GE

• TAD880VE / TAD881VE / TAD882VE / TAD883VE / TAD884VE

• Bearing Selection Notes:

• Machining grade: O.S. 0.07mm.

• This family uses the same bearing kit at positions 1-7.

• Do not substitute the split-position 23573146-23573159 bearing family.

• Measure every crankshaft journal and housing bore before selecting standard or undersize shells.

• HP Range: Application-dependent across D8 marine, industrial and generating-set ratings

• Engine / Drive Type: Volvo Penta inline 6-cylinder D8 diesel with seven main-bearing journals

• Year Range: Engine-generation dependent; confirm the serial-numbered crankshaft diagram

🔌 Function

The shell pair supports one crankshaft main journal on a pressurised hydrodynamic oil film and maintains the specified journal running clearance.

Common signs of failure or incorrect fitment:

• Low engine-oil pressure

• Deep crankshaft knock or rumble

• Copper, lead or bearing material found in the oil

• Bearing shells scored, wiped or heat-discoloured

• Incorrect undersize installed without measuring the crankshaft journal

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging