BLD4012
PRESTOLITE LEECE NEVILLE BLD 12V 350A BRUSHLESS ALTERNATOR

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.

Make	Model	Year	Notes
Autocar	Conventional	2003-2003	L;6Cyl;10.8L;Natural;Cummins;Diesel;ISM
Autocar	WX	2002-2002	L;6Cyl;10.8L;Natural;Cummins;Diesel;ISM
Autocar	WX	2003-2003	L;6Cyl;10.8L;Natural;Cummins;Diesel;ISM
Autocar	WX	2003-2003	L;6Cyl;8.3L;Natural;Cummins;Diesel;ISC
Autocar	WX	2003-2003	L;6Cyl;8.9L;Natural;Cummins;Diesel;ISL
Autocar	WXLL	2003-2003	L;6Cyl;10.8L;Natural;Cummins;Diesel;ISM
Autocar	WXLL	2003-2003	L;6Cyl;8.3L;Natural;Cummins;CNG;C8.3
Autocar	WXLL	2003-2003	L;6Cyl;8.3L;Natural;Cummins;Diesel;ISC
Autocar	WXLL	2003-2003	L;6Cyl;8.9L;Natural;Cummins;Diesel;ISL
Autocar	WXR	2003-2003	L;6Cyl;10.8L;Natural;Cummins;Diesel;ISM

Part No	Descriptions	Notes
A041521350S	ALTERNATOR FAN
A015521580S	ALTERNATOR FRONT HOUSING
A020520994S	ALTERNATOR ROTOR
A022520995S	ALTERNATOR STATOR
A011106761S	ALTERNATOR REAR HOUSING
A170521000S	ALTERNATOR FIELD COIL
A051521559S	ALTERNATOR RECTIFIER
R214520998S	Alternator Voltage Regulator	Supersede to R214107033S
A038520992S	ALTERNATOR COVER	Obsolete. Supersede to A038107042S
K183106574S	ALTERNATOR OVERHAUL KIT
K212106575S	ALTERNATOR HARDWARE KIT
Z098520325	ALTERNATOR PULLEY NUT
A038107042S	ALTERNATOR COVER
R214107033S	ALTERNATOR 12V VOLTAGE REGULATOR

Competitor Part Number	Competitor Name	Interchange Type	Notes
8600300	DELCO REMY	Direct Replacement	See TSB-1228
8600634	DELCO REMY	Direct Replacement	See TSB-1228
8600755	DELCO REMY	Direct Replacement
C630	NEIHOFF	Direct Replacement
E350-12	Electrodyne	Direct Replacement
E35012	Electrodyne	Direct Replacement
A0014892AA	PRESTOLITE ELECTRIC	Can Use
A1-607	NEIHOFF	Direct Replacement
A1607	NEIHOFF	Direct Replacement
N1202	NEIHOFF	Direct Replacement
N1207	NEIHOFF	Direct Replacement
N1223	NEIHOFF	Direct Replacement
LNBLD4012	INTERNATIONAL TRUCK	Direct Replacement
A0014890JB	PRESTOLITE ELECTRIC	Can Use
A0014890JBH	PRESTOLITE ELECTRIC	Can Use
8600526	DELCO REMY	Direct Replacement	Amperage upgrade
US27060-001	HINO	Direct Replacement	Amperage upgrade
US27060001	HINO	Direct Replacement	Amperage upgrade
BLD4014	PRESTOLITE ELECTRIC	Can Use
BLD4026	PRESTOLITE ELECTRIC	Can Use
8600299	DELCO REMY	Can Use	Amperage upgrade. See TSB-1228.

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