What are the signs of a failing alternator?

Common signs of a failing alternator include dashboard warning lights, electrical issues like overly bright or flickering lights, frequently dying battery, whining, grinding or squealing engine sounds, or stalling or struggling to start the vehicle.

Is the solenoid included?

Yes. GM Genuine Parts and ACDelco Starters include a solenoid compatible with the unit.

Will GM Genuine Parts and ACDelco Alternators and Starters withstand a wide range of weather conditions?

Yes. GM Genuine Parts and ACDelco Alternators and Starters are designed to withstand a wide range of weather conditions.

Do all alternators supply the same amperage?

No. Some vehicles require more amperage than others depending on the amount of electronics that need to be operated. Consult your vehicle Owner’s Manual for more information.

Can a bad alternator damage my battery or other electrical components?

Yes. The alternator keeps the battery charged and operating correctly. A failing alternator can overwork the vehicle’s battery and lead to permanent electrical damage if not addressed.

Gm Genuine Parts 15128978 Alternator | Desertcart UNITED STATES

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Description

⚡ Power your GM with confidence — OEM quality that never quits!

WIDE COMPATIBILITY - Fits top GM models like Escalade, Silverado, Tahoe, Yukon, and more
UNMATCHED DURABILITY - Components rigorously tested to exceed GM’s demanding standards
TRUSTED GM OE QUALITY - Manufactured to GM Original Equipment specifications ensuring reliability
READY TO POWER YOUR RIDE - Lightweight yet robust design at just 14.33 lbs for optimal performance
PRECISION ENGINEERED FOR GM - Exact replacement matching original factory specs for seamless integration

The ACDelco GM Genuine Parts 15128978 Alternator is a 100% newly manufactured, GM-recommended replacement alternator engineered to meet original equipment specifications. Designed for durability and perfect fit, it supports a range of GM vehicles including Escalade, Silverado, Tahoe, and Yukon, ensuring reliable power delivery and long-lasting performance.

Specifications

ASIN	B000IZ26J0
Best Sellers Rank	#1,539,335 in Automotive ( See Top 100 in Automotive ) #6,022 in Automotive Replacement Alternators
Brand	GM GENUINE PARTS
Customer Reviews	4.4 4.4 out of 5 stars (70)
Date First Available	October 10, 2007
Exterior	Painted
Item Weight	14.33 pounds
Item model number	15128978
Manufacturer	ACDelco
Manufacturer Part Number	15128978
Model	Escalade, Avalanche, Siverado, Suburban, Tahoe, Sierra, Yukon
OEM Part Number	15128978
Product Dimensions	9.5 x 8 x 8 inches

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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