100% NEW HIGH OUTPUT PREMIUM QUALITY 

REPLACEMENT ALTERNATOR FOR 

PETERBILT / FREIGHTLINER


THIS IS A DELCO 21SI 1-WIRE HOOKUP ALTERNATOR


SPECS:.

•250 Amp/12 Volt, CW, Neg. Grd., 1-Wire System, w/o pulley
•  Delco 21SI Series IR/EF
•  MFR SERIES:21SI
•  DESIGN:IR/EF
•  VOLTAGE:12
•  ROTATION:CW
•  PLUG CLOCK:12:00 Plug Clock
•  PULLEY CLASS:w/o Pulley


Replaces:
Delco 1117892, 19010101, 19010105, 19010181


Fits On:
Freightliner (1989-1998)
Kenworth (1993-1996)
 Peterbilt (1993-1997)




IMPORTANT NOTE:
***Full output of 250 Amps is achieved at over 1200 engine rpm.***

For safety, we recommend installing a fused 4 gauge main charging wire to allow maximum current flow to your battery.


ONE YEAR WARRANTY

Shipping and handling costs above is for lower 48 states only HI, AK, PR, APO/FPO.

International buyers please email us for quote, before bidding or purchase.


Items under warranty may be repaired or refunded.
Buyer is responsible for warranty return shipping expenses.
There will be no restocking fee charges.