Heavy Duty Alternator
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Starters
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28MT Gear Reduction Starter
31MT 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
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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
Alternator Features
Fuel Economy Calculator
Brushless Durability
Remote Sense
Connect
Support
Core Identification
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Alternator Instruction Sheets
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OE Spec Codes
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OE Spec Codes
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Fuel Economy Calculator
Spec it Right
Spec It Right - Delco Remy Starters & Alternators
The Delco Remy brand stands for more than just premium heavy duty starters & alternators. It also stands for trusted, knowledgeable support fleets know and trust.
From direct warranty programs, online technician training, extensive field support, and best-in-class e-catalog, we have what you need to keep your fleet running.
We understand the challenges that fleets are faced with daily, and we know fuel economy is at the top of the list. Delco Remy High Efficiency/High Output Alternators can help. Ca
lculate your potential fuel savings with our
Fuel Economy Calculator.
Featured Products
28SI
38MT+
36SI
39MT
40SI
OE Specification Codes
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WE START THE WORLD AND KEEP IT RUNNING
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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
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
Connect
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
Where to Buy
Find a Part
Customer Login