20799474 Pulley | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta TAD13 Crankshaft Front Pulley - Part Number: 20799474

Rotating belt-drive component used in the tad13 crankshaft front drive and vibration-damper assembly. It maintains the specified diameter, groove profile, offset and drive ratio for the connected accessory or cooling system.

⚙️ Key Features

• Manufactured to the original Volvo Penta dimensional and material specification

• Maintains correct fit, alignment and service access in the designated assembly

• Designed for diesel-engine heat, vibration and operating-load exposure

• Direct replacement for a worn, damaged, missing or corroded original component

• Must be matched by part number, engine product and serial/configuration before installation

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20799474 (OEM catalogue reference)

OEM / Related Numbers:

• 21230583 crankshaft

• 3093651 thrust-bearing kit

• 20530916; 20578624; 20578625; 20578627 main-bearing references

• 20870685 cylinder-liner kit

• 20747511 piston-ring set

• 20569833 piston pin

• 270950 gasket kit

• 914531 snap ring

• 20760235 cylinder liner

• 20847904 piston

• 20876840 and 21679232 connecting rods

• 20730398 small-end bushing

• 20486228 connecting-rod screw

• 20792248 vibration damper

• 21212314 wear sleeve

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• TAD13 crankshaft front drive and vibration-damper assembly

Typically suits:

• Engine models:

• TAD1340VE; TAD1341GE; TAD1341VE; TAD1342GE; TAD1342VE; TAD1343GE; TAD1343VE; TAD1344GE; TAD1345GE; TAD1350GE; TAD1351GE; TAD1352GE; TAD1353GE

• HP Range: Approximately 400-700 HP, depending on engine rating

• Engine Type: 13 L six-cylinder turbocharged/aftercooled diesel

• Year Range: Approximately 2000s-2010s

🔌 Function

Transfers belt drive at the specified diameter and offset while maintaining correct belt tracking, accessory speed and alignment.

Common signs of failure:

• Visible wobble, runout or belt misalignment

• Worn, damaged or polished belt grooves

• Fretting, cracking or looseness at the hub/shaft interface

• Belt squeal, edge wear or repeated belt loss

• Abnormal bearing load or vibration in the driven assembly

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging