Heavy Duty Alternator

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Delco Remy Connect Newsletter     Download      Read Online 

Delco Remy 50MT™: Proven Power for the Heaviest Work 
Built for tough jobs, the Delco Remy 50MT™ has delivered dependable starting power for more than 50 years—and its application coverage keeps growing.
Spotlight on Tim Hale: Driving Success in the North American Aftermarket
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.
Delco Remy EMEA Expands Mercedes Coverage with New 29MT™ Part Number 
Delco Remy is expanding 29MT™ starter coverage in EMEA with new part number 71005420 for key Mercedes commercial vehicle applications.
130 Years Strong: The Delco Remy Legacy Keeps Moving Forward
For 130 years, Delco Remy has built a legacy of trusted starters, alternators and the people who keep the world moving. 
Tech Tip: That “Damaged” Alternator Might Be Perfectly Fine
A little shaft movement or noise in a new Delco Remy 24SI™ or 28SI™ alternator doesn’t necessarily mean something is wrong.

Starters

From off highway heavy equipment to long haul trucks to school bus and transit applications, Delco Remy starters are designed to crank in even the toughest applications.  Our Integrated Over Crank Protection (IOCP), a built-in circuit breaker, protects the starter from thermal damage, automatically resetting at a safe operating temperature while eliminating the need for a wiring harness. 

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Alternators

Delco Remy alternator technology is second to none.  The enhanced efficiency ratings of our high output alternators provide fleets measurable fuel savings. Our high output alternators feature a durable brushless design.  Brushless alternators have fewer moving parts which results in less wear.  What you end up with is long life and the warranty to back it.

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Spec It Right


 

Specing the Right Starter & Alternator Upfront Pays Big Down the Road 

The Delco Remy brand represents the industry’s leading choice for heavy duty starters & alternators – with trusted, knowledgeable support to back it. From direct warranty programs, online technician training, extensive field support, and best-in-class e-catalog,  all designed to keep your fleet running to the best of its abilities!
OE SPEC CODES

Copyright © 2026 PHINIA Inc. All rights reserved.
DELCO REMY is a registered trademark of General Motors LLC, licensed to PHINIA Technologies Inc.
Copyright © 2026 PHINIA Inc. All rights reserved.
DELCO REMY is a registered trademark of General Motors LLC, licensed to PHINIA Technologies Inc.