Heavy Duty Alternator
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Starters
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28MT Gear Reduction Starter
31MT Gear Reduction Starter
35MT Gear Reduction Starter
37MT Straight Drive Starter
38MT Gear Reduction Starter
38MT+ Gear Reduction Starter
39MT Gear Reduction Starter
41MT Straight Drive Starter
42MT Straight Drive Starter
50MT Straight Drive Starter
150MT Gear Reduction Starter
Starter Features
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Alternators
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22SI Brush Alternator
23SI Brushless Alternator
24SI Brush Alternator
28SI Brush Alternator
33SI Brushless Alternator
34SI Brushless Alternator
35SI Brushless Alternator
36SI Brushless Alternator
38SI Brushless Alternator
40SI Brushless Alternator
55SI Brushless Alternator
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Instruction Sheets
Alternator Instruction Sheets
Alternator Instruction Sheets
APPLY EPOXY TO TRANSFORMER AND HOUSING ON 30SI TR ALTERNATORS
ASSEMBLY REPLACEMENT INSTRUCTIONS FOR 24SI
BEARING IN HOUSING INSTALLATION IN 10SI & 12SI
BEARING INSTALLATION 50DN OIL-COOLED ALTERNATORS
BEARING INSTALLATION IN DE HOUSING 27SI
BRUSH ASSEMBLY REPLACEMENT INSTRUCTIONS FOR 24SI
BRUSH HOLDER ASSEMBLY TO END FRAME ATTACHMENT 10SI
BRUSH REPLACEMENT INSTRUCTIONS 13SI
CAPACITOR INSTALLATION 10SI & 12SI
CAPACITOR INSTALLATION ON 50VR VOLTAGE REGULATOR
CAST ALUMINUM END COVER INSTALLATION ON 50DN OIL-COOLED ALTERNATORS
DIODE REPLACEMENT 50DN OIL-COOLED ALTERNATOR
DRIVE END BEARING REPLACEMENT 25SI, 26SI & 30SI
DRIVE END FRAME AND SEAL UPGRADE PACKAGE KIT ISTALLATION INSTRUCTIONS ON 50DN OIL-COOLED ALTERNATORS
DRIVE END FRAME BEARING ASSEMBLY REPLACEMENT INSTRUCTIONS FOR 24SI
DRIVE END FRAME REPLACEMENT ON 10SI ALTERNATORS
HOUSING AND COLLAR INSTALLATION IN 10SI 11SI ALTERNATOR
INDICATOR LAMP TERMINAL RETROFIT KIT 21SI & 22SI
INSTALLATION INSTRUCTIONS 24SI & 28SI
INSTALLATION INSTRUCTIONS 10SI, 12SI & 15SI
INSTALLATION INSTRUCTIONS 18SI
INSTALLATION INSTRUCTIONS 20SI
INSTALLATION INSTRUCTIONS 24SI
INSTALLATION INSTRUCTIONS 26SI, 27SI & 30SI
INSTALLATION INSTRUCTIONS 31SI
INSTALLATION INSTRUCTIONS 33SI, 34SI, 35SI & 36SI
INSTALLATION INSTRUCTIONS 40SI & 55SI
INSTALLATION INSTRUCTIONS FOR 19SI, 21SI, 22SI AND 23SI HEAVY DUTY ALTERNATOR
INSTALLATION INSTRUCTIONS FOR REPLACING CONNECTOR LEAD AND PLUG 11SI
INSTALLING PACKAGE ON 50DN OIL-COOLED ALTERNATORS
INSTRUCTIONS FOR 35SI HP & 36SI HP REPLACING DELCO REMY 21SI, 22SI, 23SI, 33SI, 34SI, 35SI AND 36SI
INSTRUCTIONS FOR REPLACING 21SI, 22SI, 23SI, and 24SI
NUT & WASHER ASSEMBLY REPLACEMENT ON 40SI
REASSEMBLING THE CS-144 ALTERNATOR
RECTIFIER END FRAME SERVICING ON 25SI
RECTIFIER END FRAME USE ON 50DN OIL-COOLED ALTERNATORS
RECTIFIER END HOUSING REPLACEMENT ON 30SI
REGULATOR REPLACEMENT 25SI
REMOTE SENSE JUMPER LEAD INFORMATION & INSTRUCTIONS 34SI, 35SI, 36SI
REMOTE SENSE JUMPER LEAD INSTALLATION INSTRUCTIONS 34SI, 35SI, 36SI
REMOTE SENSE KIT INSTALLATION INSTRUCTIONS FOR HEAVY DUTY ALTERNATORS
REPLACEMENT COMPONENTS INSTRUCTIONS 21SI, 22SI
REPLACEMENT COMPONENTS INSTRUCTIONS 33SI, 34SI, 35SI, 36SI
REPLACEMENT PARTS INSTRUCTIONS 18SI, 24SI & 28SI
REPLACEMENT PARTS INSTRUCTIONS 24SI
REPLACEMENT PARTS INSTRUCTIONS 40SI & 55SI
REPLACING A 20DN, 30DN, 41 DN, AND D.C. GENERATORS WITH A 30SI ALTERNATOR
REPLACING A 27SI ALTERNATOR WITH A 21SI ALTERNATOR
REPLACING DELCO REMY 10SI, 11SI, 12SI OR BOSCH K1 ALTERNATORS WITH 11SI ALTERNATOR
REPLACING S.R.E. BEARING IN 10SI
RETROFITTING OLD STLYE DELCO REMY REGULATOR TO NEW STYLE DELCO REMY 50VR REGULATOR
ROTOR REPLACEMENT FOR 27SI
ROTOR WITH PRESSED ON BEARING ASSEMBLY REPLACEMENT INSTRUCTIONS FOR 24SI
SERVICE PACKAGE INSTALLATION INSTRUCTIONS FOR 10SI, 12SI, 15SI, 27SI, 40SI
SHAFT SEAL AND O-RING REPLACEMENT ON 50DN OIL-COOLED ALTERNATORS
SLIP RING END FRAME REPLACEMENT 10SI ALTERNATOR
SLIP RING END FRAME SERVICING ON 27SI ALTERNATORS
SLIP RING END ROTOR BEARING REPLACEMENT INSTRUCTIONS FOR 18SI 28SI
SLIP RING END ROTOR BEARING REPLACEMENT INSTRUCTIONS FOR 24SI
STATOR ASSEMBLY REPLACEMENT INSTRUCTIONS FOR 24SI
STATOR WITH 1-PIECE INSULATOR REPLACEMENT ON 50DN OIL-COOLED ALTERNATORS
VOLTAGE REGULATOR REPLACEMENT 21SI & 22SI
VOLTAGE REGULATOR REPLACEMENT INSTRUCTIONS FOR 24SI
WEB DESIGN REGULATOR INSTALLATION ON 30SI ALTERNATORS
Starters
Find by Vehicle Type
Construction Equipment
Emergency Vehicle
Heavy Duty On-Highway Truck
Medium Duty Truck
School Bus
Transit Bus
Transport Refrigeration & APU
Find by Model Family
28MT Gear Reduction Starter
31MT Gear Reduction Starter
35MT Gear Reduction Starter
37MT Straight Drive Starter
38MT Gear Reduction Starter
38MT+ Gear Reduction Starter
39MT Gear Reduction Starter
41MT Straight Drive Starter
42MT Straight Drive Starter
50MT Straight Drive Starter
150MT Gear Reduction Starter
Starter Features
Electrical Soft-Start
Overcrank Protection
IMSS
Alternators
Find by Vehicle Type
Construction Equipment
Emergency Vehicle
Heavy Duty On-Highway Truck
Medium Duty Truck
School Bus
Transit Bus
Transport Refrigeration & APU
Find by Model Family
22SI Brush Alternator
23SI Brushless Alternator
24SI Brush Alternator
28SI Brush Alternator
33SI Brushless Alternator
34SI Brushless Alternator
35SI Brushless Alternator
36SI Brushless Alternator
38SI Brushless Alternator
40SI Brushless Alternator
55SI Brushless Alternator
Alternator Features
Fuel Economy Calculator
Brushless Durability
Remote Sense
The Latest
Support
Core Identification
Download Literature
Instruction Sheets
Starter Instruction Sheets
Alternator Instruction Sheets
Logo Gear
Order Literature
Starter and Alternator 101 Videos
Tech Tip Videos
Training & Technical Support
Warranty
Spec it Right
OE Spec Codes
Try Our Products
Technician Training
Fuel Economy Calculator
Find a Part
Where to Buy
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