| Unit Type | Alternator |
| Part Type | UNIT |
| Voltage | 12 |
| Rotation | CW |
| Dimension |
Replacement 160A Unit Has:
B+ 5/16-18 Notes: 3-Wire System Threaded R-Terminal in I-Terminal Location |
| Amperage | 130 |
| Regulator | IR |
| Fan Type | EF |
| Manufacturer | DELCO |
| Brief |
DELCO 21SI ALTERNATOR
ORIGINAL UNIT HAD: ADDL INFO: 3-WIRE HOOKUP ADDL INFO: NEGATIVE GROUND ADDL INFO: 5/16" B+ STUD ADDL INFO: 10-24 R-TERMINAL ADDL INFO: NO I-TERMINAL ADDL INFO: #439 REGULATOR ADDL INFO: 6 AVALANCHE DIODES ADDL INFO: R-TERMINAL IN I-TERMINAL HOLE IN SRE |
| Detailed |
21SI Versions:
J& N 400-12434 (Std. Version) J& N 400-12085 (Premium Version) J& N 400-12085R (Remanufactured) The 7971 is a 130A Can Use For the Lower Amp 7666 and 8010 (Both 100A). All Have a Special B+ Insulator With a Cable Guide, and the R-Terminal Stud is Located in I-Terminal Hole. Higher Amp Alternatives Are: 7665 (145-160A) 5/16 Inch B+ Stud 10-24 R-Terminal No I-Terminal 6 Avalanche Diodes Amperage Depends on Pulley Diameter. |
| MFG# | MFG NAME |
|---|---|
| 400-12085 | ARROWHEAD |
| 400-12085R | ARROWHEAD |
| 400-12434 | ARROWHEAD |
| BAL9960LH | ARROWHEAD (OEM) |
| 400-12085 | J & N |
| 400-12085R | J & N |
| 400-12434 | J & N |
| ADR0066 | ARROWHEAD (OLD) |
| 7971 | LESTER |
| 240-856 | PIC |
| 321-677 | AC DELCO |
| CA-5178 | ACE |
| 7971 | BBB HD |
| 112991 | CARGO |
| 3675157RX | CUMMINS |
| 10459028 | DELCO |
| 10459049 | DELCO |
| 10459453 | DELCO |
| 1117896 | DELCO |
| 1117904 | DELCO |
| 1117928 | DELCO |
| A-1355 | DIXIE |
| 101-22113 | DIXIE NEW |
| 21SI | FAMILY |
| 47-2026 | MINNPAR |
| X67971 | MPA HD |
| X67971N | MPA NEW HD |
| 67971 | NAPA HD |
| 67971N | NAPA NEW HD |
| 42743 | RCP |
| 53161 | REMY LIGHT DUTY |
| 7971 | USA INDUSTRIES |
| 7971N | WAI |
| 1-1917-00DR | WAI (OLD) |
| 1-1917-00DR-1 | WAI (OLD) |
| 1-1917-01DR | WAI (OLD) |
| 1-1917-02DR | WAI (OLD) |
| 20-1113 | WAI (OLD) |
| 90-01-4119 | WILSON |
| 90-01-4119 | WILSON HD |