Heavy Duty Alternator

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Equivalent Replacement Parts for AC DELCO Part Number 321-690

Click on the replacement part number link to view product details.

Part NumberDescriptionBrochure (English)Brochure (Spanish)
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
10459124
10459124 50DN Reman Alternator
10459124
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Cradle
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
8600013
8600013
50DN New Alternator
Status:
Obsolete
Type:
New
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN New AlternatorDownload PDF 
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
8600013
8600013
50DN New Alternator
Status:
Obsolete
Type:
New
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN New AlternatorDownload PDF 
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Mount Type:
Flange
50DN Reman AlternatorDownload PDF 
8600013
8600013
50DN New Alternator
Status:
Obsolete
Type:
New
Mount Type:
Flange
50DN New AlternatorDownload PDF 
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Mount Type:
Flange
50DN Reman AlternatorDownload PDF 
8600013
8600013
50DN New Alternator
Status:
Obsolete
Type:
New
Mount Type:
Flange
50DN New AlternatorDownload PDF 
10459124
10459124 50DN Reman Alternator
10459124
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Mount Type:
Cradle
50DN Reman AlternatorDownload PDF 
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Mount Type:
Flange
50DN Reman AlternatorDownload PDF 
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
10459124
10459124 50DN Reman Alternator
10459124
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Cradle
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
8600013
8600013
50DN New Alternator
Status:
Obsolete
Type:
New
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN New AlternatorDownload PDF 
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
8600013
8600013
50DN New Alternator
Status:
Obsolete
Type:
New
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN New AlternatorDownload PDF 
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
8600013
8600013
50DN New Alternator
Status:
Obsolete
Type:
New
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN New AlternatorDownload PDF 
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
8600013
8600013
50DN New Alternator
Status:
Obsolete
Type:
New
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN New AlternatorDownload PDF 
10459124
10459124 50DN Reman Alternator
10459124
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Cradle
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
10459124
10459124 50DN Reman Alternator
10459124
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Cradle
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
8600013
8600013
50DN New Alternator
Status:
Obsolete
Type:
New
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN New AlternatorDownload PDF 
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
8600013
8600013
50DN New Alternator
Status:
Obsolete
Type:
New
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN New AlternatorDownload PDF 
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
8600013
8600013
50DN New Alternator
Status:
Obsolete
Type:
New
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN New AlternatorDownload PDF 
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
8600013
8600013
50DN New Alternator
Status:
Obsolete
Type:
New
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN New AlternatorDownload PDF 
10459124
10459124 50DN Reman Alternator
10459124
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Cradle
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
10459121
10459121
50DN Reman Alternator
Status:
Obsolete
Type:
Reman
Voltage:
24
Rated Output:
270 Amps
Mount Type:
Flange
B+ Output:
1/2
R Terminal:
1/4
Remote Sense:
No
Polarity:
Negative
50DN Reman AlternatorDownload PDF 
Copyright © 2025 PHINIA Inc. All rights reserved.
DELCO REMY is a registered trademark of General Motors LLC, licensed to PHINIA Technologies Inc.
Copyright © 2025 PHINIA Inc. All rights reserved.
DELCO REMY is a registered trademark of General Motors LLC, licensed to PHINIA Technologies Inc.