Heavy Duty Alternator
Sign Up for the Delco Remy Connect Newsletter
Sign Up
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
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
MENU
Connect
September 2026
Delco Remy 50MT™: Proven Power for the Heaviest Work
September 03, 2026
Built for tough jobs, the Delco Remy 50MT™ has delivered dependable starting power for more than 50 years—and its application coverage keeps growing.
READ MORE
Spotlight on Tim Hale: Driving Success in the North American Aftermarket
September 03, 2026
With more than 30 years in the commercial vehicle industry, Tim Hale, Midwest Regional Sales and Service Manager, brings deep experience and a customer-first mindset to the Delco Remy team.
READ MORE
Delco Remy EMEA Expands Mercedes Coverage with New 29MT™ Part Number
September 03, 2026
Delco Remy is expanding 29MT™ starter coverage in EMEA with new part number 71005420 for key Mercedes commercial vehicle applications.
READ MORE
130 Years Strong: The Delco Remy Legacy Keeps Moving Forward
September 03, 2026
For 130 years, Delco Remy has built a legacy of trusted starters, alternators and the people who keep the world moving.
READ MORE
Tech Tip: That “Damaged” Alternator Might Be Perfectly Fine
September 02, 2026
A little shaft movement or noise in a new Delco Remy 24SI™ or 28SI™ alternator doesn’t necessarily mean something is wrong.
READ MORE
Recent Posts
Delco Remy 50MT™: Proven Power for the Heaviest Work
Spotlight on Tim Hale: Driving Success in the North American Aftermarket
Delco Remy EMEA Expands Mercedes Coverage with New 29MT™ Part Number
130 Years Strong: The Delco Remy Legacy Keeps Moving Forward
Tech Tip: That “Damaged” Alternator Might Be Perfectly Fine
Tags
Featured Photo (52)
Industry Support (37)
New Part Numbers (27)
Products & Programs (92)
Support Tools (47)
Tech Tips (64)
Post Archive
2011
September
May
March
January
2012
September
July
May
March
January
2013
November
August
June
March
January
2014
October
September
June
March
February
2015
December
September
June
April
January
2016
August
June
April
January
November
2017
January
July
March
May
November
September
2018
August
January
October
2019
April
February
July
September 2019
2020
January 2020
March 2020
May 2020
September 2020
2022
February 2022
June 2022
October
September 2022
2025
February 2025
May 2025
September 2025
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
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