Delco 21SI Series Farm, Industrial & Truck Alternators

back to Listing

Farm, Industrial & Truck Alternators Units now ship from 12 warehouse locations throughout the United States.  We will ship from your nearest location.
Warehouse locations: Los Angeles CA, Denver CO, Orlando FL, Atlanta GA, Chicago IL, Grand Rapids MI, Kansas City MO, Charlotte NC, Cleveland OH, Allentown PA, Memphis TN, Dallas TX

Delco 21Si type Farm, Industrial & Truck Alternator-
Part No.1191500DR1
Alternator -Delco 21SI type Farm, Industrial & Truck Alternator 115 amps., 12 volts, 1-wire system, Negative Ground, without Pulley

Used on: Cummins, Detroit Diesel, Ford Truck, IHC, Mack, Mavistar, Volvo White-GMC

Replaces: 1117880, 1117894, 1117906, 1117925, 1117931, 1117942, 1117947, 1117950, 1117951, 1117953, 1117954, 1117955, 1117956; 19010155

Lester: 7667, 7670, 7671, 7976, 8011, 8012, 8013

Universal R-terminal, 10-24 I-terminal, 1-4" B+

100% New

This alternator is available in our Patent-Pending Extreme Duty Dual Rectifier design, Click for details. Heavy Duty 21Si Alternator and Heavy Duty 22Si type Alternator

Click here for Price

Delco 21Si type Farm, Industrial & Truck Alternator-
Part No.1191600DR1
Alternator -Delco 21Si type Farm, Industrial & Truck Alternator 100 amps., 12 volts, 3-Wire System, Negative Ground, without Pulley

Used on: Chevrolet Kodiak,GMC Topkick 6.6L

Replaces: 1117895, 1117903, 1117927

Lester: 7666

10-24 R-term., 5-16" B+

100% New

This alternator is available in our Patent-Pending Extreme Duty Dual Rectifier design, Click for details. Heavy Duty 21Si Alternator and Heavy Duty 22Si type Alternator

Click here for Price


Delco 21Si type Farm, Industrial & Truck Alternator-
Part No.1191700DR1
Alternator -Delco 21SI Farm, Industrial & Truck Alternator 130 amps., 12 volts, 3-Wire System, Negative Ground, Without Pulley

Used on: Chevrolet Truck B6, B7 Series, Kodiak 6.6L; GMC Topkick6.6L

Replaces: 1117896, 1117904, 1117928

Lester: 7971

10-24 R-term., 5-16" B+

100% New

This alternator is available in our Patent-Pending Extreme Duty Dual Rectifier design, Click for details. Heavy Duty 21Si Alternator and Heavy Duty 22Si type Alternator

Click here for Price

Delco 21Si type Farm, Industrial & Truck Alternator-
Part No.1191800DR1
Alternator -Delco 21Si type Farm, Industrial & Truck Alternator 130 amps., 12 volts, 1-wire System, Negative Ground, without Pulley

Used On:
Ford Truck, Navistar Truck

Replaces: 1117911, 1117914, 1117929, 1117932, 1117946, 1117949, 1117957, 1117958, 1117959, 1117962

Lester: 7564, 7565; 7654, 7659; 8026, 8027

Univ. R-term., 10-24 I-term., 1-4" B+

100% New

This alternator is available in our Patent-Pending Extreme Duty Dual Rectifier design, Click for details. Heavy Duty 21Si Alternator and Heavy Duty 22Si type Alternator

Click here for Price

Delco 21Si type Farm, Industrial & Truck Alternator-
Part No.1229100DR1
Alternator -Delco 21Si type Farm, Industrial & Truck Alternator 70 amps., 24 volts, 1-wire System, Negative Ground, without Pulley

Used On: Cummins, Timberjack with Cummins 5.9L, 8.3L Diesel

Replaces: 1117897, 1117900, 19010111, 19010182

Lester: 7642, 8003

Univ. R-term., M4 I-term., M6 B+

100% New

This alternator is available in our Patent-Pending Extreme Duty Dual Rectifier design, Click for details. Heavy Duty 21Si Alternator and Heavy Duty 22Si type Alternator

Click here for Price

Delco 21Si type Farm, Industrial & Truck Alternator-
Part No. 1229200DR1
Alternator -Delco 21Si type Farm, Industrial & Truck Alternator 70 amps., 24 volts, 1-wire System, Negative Ground, without Pulley

Used On: Fiatallis Equipment

Replaces: 1117915

Lester: 8030

10-24 I-term., 5/16" B+

100% New

This alternator is available in our Patent-Pending Extreme Duty Dual Rectifier design, Click for details. Heavy Duty 21Si Alternator and Heavy Duty 22Si type Alternator

Click here for Price

Delco 21Si type Farm, Industrial & Truck Alternator-
Part No. 1229700DR1
Alternator -Delco 21SI type Farm, Industrial & Truck Alternator 100 amps., 12 volts, 1-wire System, Negative Ground, without Pulley

Used On: Freightliner, Kenworth, Volvo Trucks, Western Star

Replaces: 19010101,19010105, 19010181

Lester: 7662

Univ. R-term., 10-24 I-term., 5-16" B+

100% New

This alternator is available in our Patent-Pending Extreme Duty Dual Rectifier design, Click for details. Heavy Duty 21Si Alternator and Heavy Duty 22Si type Alternator

Click here for Price

Delco 21Si type Farm, Industrial & Truck Alternator-
Part No.1229900DR1
Alternator -Delco 21SI type Farm, Industrial & Truck Alternator 145-160 amps., 12 volts, 1-wire System, Negative Ground, without Pulley

Used On: Ford Truck, Navistar Truck, IHC

Replaces: 1117916, 1117924, 1117933, 1117948, 1117952, 19010156

Lester: 7644, 7669, 7672

Univ. R-term., 10-24 I-term., 1/4" B+

100% New

This alternator is available in our Patent-Pending Extreme Duty Dual Rectifier design, Click for details. Heavy Duty 21Si Alternator and Heavy Duty 22Si type Alternator

Click here for Price

Delco 21Si type Farm, Industrial & Truck Alternator-
Part No.1230000DR1
Alternator -Delco 21SI type Farm, Industrial & Truck Alternator 130 amps., 12 volts, 1-wire System, Negative Ground, without Pulley

Used On: AGCO AG, Caterpillar, Ford AG, Freightliner, John Deere, Kenworth, Mack, New Holland, Peterbilt, Volvo Truck, Western Star

Replaces: 1117905, 1117909, 1117937, 1117943, 1117965, 1117966; 19010147, 19010196

Lester: 7673, 7680, 7681

Univ. R-term., 10-24 I-term., 5/16" B+

100% New

This alternator is available in our Patent-Pending Extreme Duty Dual Rectifier design, Click for details. Heavy Duty 21Si Alternator and Heavy Duty 22Si type Alternator

Click here for Price

Delco 21Si type Farm, Industrial & Truck Alternator-
Part No.1233300DR1
Alternator -Delco 21Si type Farm, Industrial & Truck Alternator 115 amps., 12 volts, 1-wire System, Negative Ground, without Pulley

Used On: Freightliner, Kenworth, Mack, Peterbilt, Volvo Truck, Western Star

Replaces: 1117885, 1117886, 1117887, 1117890, 1117892, 1117910, 1117923, 1117941

Lester: 7641, 7660, 7662, 7663, 7664, 7668, 7683

Univ. R-term., 10-24 I-term., 5/16" B+

100% New

This alternator is available in our Patent-Pending Extreme Duty Dual Rectifier design, Click for details. Heavy Duty 21Si Alternator and Heavy Duty 22Si type Alternator

Click here for Price

`

Delco 21Si type Farm, Industrial & Truck Alternator-
Part No.1233400DR1
Alternator -Delco 21SI type Farm, Industrial & Truck Alternator 145-160 amps., 12 volts, 1-wire System, Negative Ground, without Pulley

Used On: Freightliner, Kenworth, Mack, Peterbilt, Volvo Truck

Replaces: 1117917, 1117919, 1117920, 1117921, 1117922, 1117934, 1117964, 19010202

Lester: 7679, 7685, 7686, 8020, 8021, 8022, 8023

Univ. R-term., 10-24 I-term., 5/16" B+

100% New

This alternator is available in our Patent-Pending Extreme Duty Dual Rectifier design, Click for details. Heavy Duty 21Si Alternator and Heavy Duty 22Si type Alternator

Click here for Price