// IMG 1 OF 10DELCO 21SI

Specifications

Output130
Voltage12
TypeAlternator
DesignIR/EF
RotationCW
ManufacturerDELCO
Series21SI
PulleyWO/ PULLEY
Pulley groove OD0
Plug code151
Lester number8027
PIC code240-849D, 240-888, 240-887, 240-849B, 904-776
NotesThis is Similar to the 7565, With This Unit Adding an "I" Terminal. The 8028 (115A) and 7976 (100A) are Matches to the 8027, But in Lower Amp Versions. This is a 130A "Can Use" Unit for Many of the Lower Amp Units With a 1/4" B+ Stud, a Pin R-Terminal and Either No I-Terminal, or a 10-24 "I"-Terminal. Ignore Terminal(s) Not Needed. 7669 (145A) 1/4" B+ Pin "R" Terminal 10-24 "I" Terminal 6 Avalanche Diodes | This is the Same as the 240-849D, Except This Unit Uses the Later Rotor Shaft and the Larger Rear Bearing. This is a 130A "Can Use" Unit for Many of the Lower Amp Units With a 1/4" B+ Stud, a Pin R-Terminal and Either No I-Terminal, or a 10-24 "I"-Terminal. Ignore Terminal(s) Not Needed. 7669 (145A) 1/4" B+ Pin "R" Terminal 10-24 "I" Terminal 6 Avalanche Diodes The 22SI Unit With Specs Virtually the Same as This 21SI Unit is the 8075 (240-4007C). 22SI Units Have Improved Physical Characteristics Over the 21SI, as Well as the Autostart Trio Feature Not Used in the 21SI. This Should Be Considered if Using the 22SI In Place of the 21SI.

Confirmed fitment

Verified applications from the ePartsGlobal catalog. If your engine isn't listed, send us the OEM part number and we'll cross-reference it.

MakeModelEngineYearsApplication
Ford Medium/Heavy TruckB-600L6 5.9L 359cid Cummins 6BT5.91992–1994Medium/Heavy Truck · domestic
Ford Medium/Heavy TruckB-700L6 5.9L 359cid Cummins 6BT5.91992–1994Medium/Heavy Truck · domestic
Ford Medium/Heavy TruckB-800L6 5.9L 359cid Cummins 6BT5.91995–1998Medium/Heavy Truck · domestic
Ford Medium/Heavy TruckB-800FL6 5.9L 359cid Cummins 6BT5.91995–1998Medium/Heavy Truck · domestic
Ford Medium/Heavy TruckCF8000L6 5.9L 359cid Cummins 6BT5.91997–1997Medium/Heavy Truck · domestic
Ford Medium/Heavy TruckL8501L6 5.9L 359cid Cummins 6BT5.91997–1998Medium/Heavy Truck · domestic
Ford Medium/Heavy TruckP-800L6 5.9L 359cid Cummins 6BT5.91995–1996Medium/Heavy Truck · domestic

Cross-reference

OEM and aftermarket part numbers that interchange with this unit, from the ePartsGlobal catalog.

WAI New8027N
Cummins3604667RX
Delco1117949
Lester8027
Letrika (Iskra) SalesIA 1058
Letrika (Iskra) Tech.AAN5819
MahleMG 490
MotorcraftNGL8027N
New Tech HON7659HO
Delco19010191
Delco10459013, 10459017, 19010190
Delco19010153, 19010171, 19010173, 19010174, 19010176, 19010210, 19010212
FordF6HZ-10346-B
MotorcraftGL-364, NGL8027N
Delco19010165