21273414 Crankshaft | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D5A-B TA Crankshaft - Part Number: 21273414

Genuine Volvo Penta crankshaft for the D5A-B TA engine. It is the core rotating shaft for the piston and connecting-rod assembly and must be installed with the correct bearing grades, thrust washers, seals, vibration dampers and timing components.

⚙️ Key Features

• Genuine Volvo Penta D5 crankshaft

• Confirmed D5A-B TA application

• Precision-machined journals and timing-drive interface

• Supports standard and undersize bearing service options

• Requires measured bearing selection and end-float setup

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21273414 (current listed OEM reference)

OEM / Related Numbers:

• 21141948 - standard main-bearing reference

• 20405529 - associated bearing reference

• 21234191 - 0.25 mm undersize bearing from SN10594935 onward

• 20405541 - 0.50 mm undersize bearing reference

• 21141955 / 21141963 - thrust washers

• 20412286 - crankshaft seal

• 3843536 - cylinder-liner kit

• 20412762 - O-ring

• 20405577 - gudgeon pin

• 20405576 - snap ring

• 20450775 - piston-ring set

• 20798163 - connecting rod

• 20460794 / 20412598 - vibration dampers

• 888713 - gear pulley

• 888712 - pulley bolt

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta D5A-B TA diesel base engine

Typically suits:

• Engine models:

• D5A-B TA

• Serial / Specification Control: Crankshaft, bearing grade and undersize selection must follow engine serial number and measured journal dimensions.

• HP Range: Engine-rating dependent

• Engine Type: Volvo Penta D5 inline-six diesel

• Year Range: D5A-B TA production; engine-serial and measured-size controlled

🔌 Function

Converts piston force into rotary torque and provides the running surfaces for main and connecting-rod bearings.

Common signs of failure:

• Low oil pressure or bearing knock

• Excessive journal wear, scoring or out-of-round condition

• Abnormal vibration or run-out

• Cracks detected during inspection

• Repeated main or connecting-rod bearing damage

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging