BLP4002H - Prestolite Leece Neville IDLE PRO X 12V 325A Brushless Alternator

Direct Replacement IDLE PRO X - Direct Replacement

Part Notes : Prestolite products not approved for aviation applications

The new Leece-Neville IdlePro Extreme™ series alternators offer industry-best output at low engine speeds, utilizing a high-amp, brushless design. Best-in-class IdlePro Extreme alternators feature an array of engineering benefits that enhance electrical system and engine performance to extend battery life and increase vehicle uptime. Isolated Ground Technology. Auxiliary Draft Cooling design* – special fan and front housing design and integration for temperature control of the front bearing. Front bearing is kept 10 C cooler as compared to traditional external fan designs. Remote sense capable to optimize alternator output and increase battery life.

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Alternative Products


Brand Name IDLE PRO XWeight N/A
New vs. Reman NewAC (R) Terminal Yes
Amperage 325Dust Screen No
Excitation Type SELFField ISO Terminal No
Ignition (I) Terminal NoIgnition Protection No
Lamp (L) Terminal YesMultipower Terminal No
Neutral Terminal NoSense (S) Terminal Yes
Painted Housing YesMounting Type Pad
Rotation CWVoltage 12
Product Family BLPPolarity Insulated return
Fan Location EXTRegulator Type INT
Describes If New Or Remanufactured New

App Info

Data is not available for App Info


ImagePart NoDescriptionNotes
A041102916SAlternator Fan  
A015520984SAlternator Front Housing 
A020520994SAlternator Rotor 
A022520995SAlternator Stator  
A012520986SAlternator Rear Housing 
A170521434SAlternator Field Coil 
A051521559SAlternator Rectifier  
R214520998SVoltage Regulator 
A038520992SAlternator Cover 
K183106574SAlternator Overhaul Kit 
K212106575SAlternator Hardware Kit 

Where Used

Data is not available for Where Used

Cross Reference

Competitor PartNoCompetitor NameInterChange TypeNotes
BLP4002HIDLE PRO XDirect Replacement
61002843DELCO REMYDirect Replacement
8600298DELCO REMYDirect Replacement
8600414DELCO REMYDirect Replacement
8600628DELCO REMYDirect Replacement
8600781DELCO REMYDirect Replacement
8600782DELCO REMYDirect Replacement
8600783DELCO REMYDirect Replacement
C524NEIHOFFDirect Replacement
10044861BLUE BIRDDirect Replacement