2020 Peterbilt 389 Alternator
Browse our online catalogue to find original replacement Alternators specifically designed to fit a 2020 Peterbilt 389.
2020 Peterbilt 389 Alternator
$319.83
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2020 Peterbilt 389
Equipped With:
Engine Base: 12.9L 787ci6;
Engine Base: 12.9L 787ci6;
Vehicle Fitment Notes:
Delco 24SI HP IR/IF 12V 160A CW WO/ Pulley
Delco 24SI HP IR/IF 12V 160A CW WO/ Pulley
2020 Peterbilt 389 Alternator
$746.26
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2020 Peterbilt 389
Equipped With:
Engine Base: 12.9L 787ci6;
Engine Base: 12.9L 787ci6;
Vehicle Fitment Notes:
Leece Neville IR/EF 12V 270A CW WO/ Pulley
Leece Neville IR/EF 12V 270A CW WO/ Pulley
2020 Peterbilt 389 Alternator
$345.84
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2020 Peterbilt 389
Equipped With:
Engine Base: 12.9L 787ci6;
Engine Base: 12.9L 787ci6;
Vehicle Fitment Notes:
Delco 28SI IR/IF 12V 200A CW WO/ Pulley
Delco 28SI IR/IF 12V 200A CW WO/ Pulley
2020 Peterbilt 389 Alternator
$345.84
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2020 Peterbilt 389
Equipped With:
Engine Base: 12.9L 787ci6;
Engine Base: 12.9L 787ci6;
Vehicle Fitment Notes:
Optional Replacement
Optional Replacement
2020 Peterbilt 389 Alternator
$1,454.63
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2020 Peterbilt 389
Equipped With:
Engine Base: 12.9L 787ci6;
Engine Base: 12.9L 787ci6;
Vehicle Fitment Notes:
Delco 40SI IR/EF 12V 275A CW WO/ Pulley
Delco 40SI IR/EF 12V 275A CW WO/ Pulley
2020 Peterbilt 389 Alternator
$1,454.63
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2020 Peterbilt 389
Equipped With:
Engine Base: 12.9L 787ci6;
Engine Base: 12.9L 787ci6;
Vehicle Fitment Notes:
Make sure wiring can handle additional Amperage output.
Make sure wiring can handle additional Amperage output.
2020 Peterbilt 389 Alternator
$1,454.63
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2020 Peterbilt 389
Equipped With:
Engine Base: 12.9L 787ci6;
Engine Base: 12.9L 787ci6;
Vehicle Fitment Notes:
Prestolite IR/EF 12V 220A CW WO/ Pulley
Prestolite IR/EF 12V 220A CW WO/ Pulley
2020 Peterbilt 389 Alternator
$552.62
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2020 Peterbilt 389
Equipped With:
Engine Base: 12.9L 787ci6;
Engine Base: 12.9L 787ci6;
Vehicle Fitment Notes:
Delco 36SI HP Quad Pad Mount IR/EF 12V 170A BI WO/ Pulley
Delco 36SI HP Quad Pad Mount IR/EF 12V 170A BI WO/ Pulley
2020 Peterbilt 389 Alternator
$552.62
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Fits: 2020 Peterbilt 389
Equipped With:
Engine Base: 12.9L 787ci6;
Engine Base: 12.9L 787ci6;
Vehicle Fitment Notes:
Leece Neville PAD MOUNT IR/EF 12V 160A BI
Leece Neville PAD MOUNT IR/EF 12V 160A BI