Best Acdelco Alternator Voltage Regulators in 2026

Daisy
Last Updated: Jul 18, 2026

At a Glance: Our Top Picks for Acdelco Alternator Voltage Regulators

ACDelco Professional C603Z Voltage Regulator
#TOP1
Acdelco Professional C603Z Voltage Regulator
9.5
PM SCORE
ACDelco Professional F662 Voltage Regulator
#TOP2
Acdelco Professional F662 Voltage Regulator
9.3
PM SCORE
ACDelco Professional D663 Voltage Regulator , Black
#TOP3
Acdelco Professional D663 Voltage Regulator , Black
8.5
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Acdelco Alternator Voltage Regulators of 2026

Acdelco Professional C603Z Voltage Regulator

ACDELCO
C603Z
4.70 X 2.00 X 4.10 Inches
0.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

professional, premium aftermarket replacement

provides the performance and dependability you expect from acdelco

manufactured to meet expectations for fit, form, and function

Fit type: Vehicle Specific

Acdelco Professional F662 Voltage Regulator

ACDELCO
F662
4.30 X 4.20 X 2.00 Inches
0.62 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

professional, premium aftermarket replacement

provides the performance and dependability you expect from acdelco

manufactured to meet expectations for fit, form, and function

Fit type: Vehicle Specific

Acdelco Professional D663 Voltage Regulator , Black

ACDELCO
D663
4.20 X 4.20 X 4.00 Inches
0.70 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

made in united states

package height :8.382 cm

package length :10.414 cm

package width :10.668 cm

Fit type: Vehicle Specific

Gm Genuine Parts D618 Voltage Regulator

GM
D618
6.30 X 4.60 X 3.30 Inches
1.35 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Original Auto Parts Xpress 9.70

Features

Designed, Engineered, Tested For GM Vehicles

The package length is 14.986 centimeters

The package height is 8.128 centimeters

The package width is 11.938 centimeters

#TOP5

Acdelco Professional Pt2029 Voltage Regulator Pigtail , Black

ACDELCO
PT2029
3.60 X 2.20 X 1.70 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Professional, premium aftermarket replacement

Provides the performance and dependability you expect from ACDelco

Manufactured to meet expectations for fit, form, and function

Acdelco Professional C635 Voltage Regulator

ACDELCO
C635
4.10 X 4.10 X 3.60 Inches
0.74 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

professional, premium aftermarket replacement

provides the performance and dependability you expect from acdelco

manufactured to meet expectations for fit, form, and function

Fit type: Vehicle Specific

#TOP7

Acdelco Professional Pt1929 Voltage Regulator Pigtail , Black

ACDELCO
PT1929
4.30 X 2.40 X 2.20 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Professional, premium aftermarket replacement

Provides the performance and dependability you expect from ACDelco

Manufactured to meet expectations for fit, form, and function

#TOP8

Acdelco E675A Professional Voltage Regulator

ACDELCO
E675A
2.90 X 2.80 X 2.70 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Professional, premium aftermarket replacement

Provides the performance and dependability you expect from ACDelco

Manufactured to meet expectations for fit, form, and function

#TOP9

Gm Genuine Parts D636A Voltage Regulator

GM
D636A
7.75 X 7.25 X 3.25 Inches
0.33 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Manufactured to GM OE specification for fit, form, and function

#TOP10

Gm Genuine Parts D680 Voltage Regulator

GM
D680
4.10 X 2.10 X 2.10 Inches
0.11 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Auto Barn 9.60

Features

Product Type :Auto Part

Package Dimensions :4.0" L X2.0" W X2.0" H

Country Of Origin :United States

Package Weight :0.11Lbs

#TOP11

Acdelco Professional C645 Voltage Regulator

ACDELCO
C645
6.00 X 4.70 X 3.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

professional, premium aftermarket replacement

provides the performance and dependability you expect from acdelco

manufactured to meet expectations for fit, form, and function

Fit type: Vehicle Specific

#TOP12

Standard Motor Products Vr111 Voltage Regulator

STANDARD MOTOR PRODUCTS
VR111
8.00 X 5.00 X 4.00 Inches
0.09 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Country Of Origin : China

The Package Height Of The Product Is 1.25 Inches

The Package Length Of The Product Is 3.53 Inches

The Package Width Of The Product Is 1.83 Inches

#TOP13

Acdelco - Voltage Regulat (B) (F609)

ACDELCO
F609
4.70 X 2.00 X 4.10 Inches
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
PartsHawk 9.44

Features

leading manufacturer of high-quality products

international renown for our diverse range of award-winning products

fully equipped with state-of-the-art technology

all products have been designed with the professional in mind

constantly modernizing our powerful devices to meet the demands of the modern user

Fit type: Vehicle Specific

#TOP14

Acdelco Gm Original Equipment 93744561 Voltage Regulator

ACDELCO
93744561
3.00 X 2.10 X 2.00 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Edxtech Limited 9.87

Features

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Manufactured to GM OE specification for fit, form, and function

Top 10 alternator voltage regulators acdelco Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Acdelco 10
Gm 3
Standard Motor Products 1

Top 10 alternator voltage regulators acdelco Brands Pie Chart


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