21141948 Main Bearing | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Standard Crankshaft Main Bearing Shell - Part Number: 21141948

Brand-new genuine Volvo Penta standard-size crankshaft main bearing shell for later-serial D5A/D7A/D7C engines. Five bearing positions are used in four-cylinder D5 engines and seven in six-cylinder D7 engines; each journal must be assembled with the correct shell grade and oil clearance.

⚙️ Key Features

• Standard journal size

• Later serial application from engine SN10594935 onward

• Five main-bearing positions on D5 and seven on D7

• Precision overlay and oil-groove geometry

• One bearing shell/set position supplied according to packaging

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21141948 - Standard bearing used from SN10594935 onward

• 20405516 - Earlier standard bearing used through SN10594934

OEM / Related Numbers:

• Volvo Penta 21141948

• VOE21141948

• Earlier standard reference 20405516

• 0.25 mm undersize 20405529 / 21234191

• 0.50 mm undersize 20405541

• Deutz 04800194

Aftermarket / Verified Equivalents:

• Deutz: 04800194

🚤 Compatibility

Commonly used on:

• D5A/D7A/D7C crankshaft main-bearing system

Typically suits:

• Engine / drive models:

• D5A-A T

• D5A-A TA

• D5A-B TA

• D7A-A T

• D7A-A TA

• D7A-B TA

• D7C-A TA

• D7C-B TA

• Engine Type: Volvo Penta D5 four-cylinder and D7 six-cylinder industrial diesel

• Year / Generation: Later serial engines from SN10594935

🔌 Function

Supports the crankshaft journals on a pressurised oil film while controlling radial alignment and oil clearance.

Common signs of failure:

• Low oil pressure

• Deep crankshaft knock

• Copper/metal in the oil

• Excessive journal clearance

• Bearing wiping or seizure after lubrication loss

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging