BLP4003 PRESTOLITE LEECE NEVILLE BLP 12V 420A BRUSHLESS ALTERNATOR

BLP4003
PRESTOLITE LEECE NEVILLE BLP 12V 420A BRUSHLESS ALTERNATOR

Not compatible with diode type battery isolators.

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.

Part No	Descriptions	Notes
A041521350S	ALTERNATOR FAN
A015520984S	ALTERNATOR FRONT HOUSING
A020520994S	ALTERNATOR ROTOR
A022521373S	ALTERNATOR STATOR
A012520986S	ALTERNATOR REAR HOUSING
A170106789S	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
61006079	DELCO REMY	Direct Replacement	See TSB-1220 and TSB-1231.
8600473	DELCO REMY	Direct Replacement	See TSB-1231.
8600529	DELCO REMY	Direct Replacement	See TSB-1220 and TSB-1231.
8600629	DELCO REMY	Direct Replacement	See TSB-1220 and TSB-1231.
C527	NEIHOFF	Direct Replacement
C531	NEIHOFF	Direct Replacement
100-18111	Delstar	Direct Replacement
10018111	Delstar	Direct Replacement
BLP4002H	PRESTOLITE ELECTRIC	Can Use
BLP4004H	PRESTOLITE ELECTRIC	Can Use
BLP4005H	PRESTOLITE ELECTRIC	Can Use
BLP4007H	PRESTOLITE ELECTRIC	Can Use
BLP4009	PRESTOLITE ELECTRIC	Can Use
5086964	TIFFIN	Direct Replacement
343-0072	CRANE CARRIER	Direct Replacement
10125943	SUTPHEN	Direct Replacement
10072301	BLUE BIRD	Direct Replacement	OE Number
3535743	PIERCE	Direct Replacement
610-06079	DELCO REMY	Direct Replacement
C680	NIEHOFF	Direct Replacement
LN BLP4003	FREIGHTLINER	Direct Replacement

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