2023 Peterbilt 389 Alternators
Save up to 40% on original replacement 2023 Peterbilt 389 Alternators. Navigate our online catalogue to find Alternators and other parts designed specifically to fit a 2023 Peterbilt 389.






Alternator
$746.26
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 11.9L 726ci6;
Engine Base: 11.9L 726ci6;





Alternator
$746.26
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
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





Alternator
$746.26
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);