2003 Western Star 4900FA Alternator
Navigate our online catalogue to find original replacement Alternators specifically designed to fit a 2003 Western Star 4900FA.




Alternator
$370.13
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.8L 12816cc 781ci L6 (5.04x6.54; 128.0x166.0);
Engine Base: 12.8L 12816cc 781ci L6 (5.04x6.54; 128.0x166.0);
Vehicle Fitment Notes:
Optional Replacement
Optional Replacement





Alternator
$552.62
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.8L 12816cc 781ci L6 (5.04x6.54; 128.0x166.0);
Engine Base: 12.8L 12816cc 781ci L6 (5.04x6.54; 128.0x166.0);
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





Alternator
$552.62
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.8L 12816cc 781ci L6 (5.04x6.54; 128.0x166.0);
Engine Base: 12.8L 12816cc 781ci L6 (5.04x6.54; 128.0x166.0);
Vehicle Fitment Notes:
Leece Neville PAD MOUNT IR/EF 12V 160A BI
Leece Neville PAD MOUNT IR/EF 12V 160A BI





Alternator
$746.26
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.8L 12816cc 781ci L6 (5.04x6.54; 128.0x166.0);
Engine Base: 12.8L 12816cc 781ci L6 (5.04x6.54; 128.0x166.0);
Vehicle Fitment Notes:
Leece Neville IR/EF 12V 270A CW WO/ Pulley
Leece Neville IR/EF 12V 270A CW WO/ Pulley





Alternator
$319.83
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.8L 12816cc 781ci L6 (5.04x6.54; 128.0x166.0);
Engine Base: 12.8L 12816cc 781ci L6 (5.04x6.54; 128.0x166.0);
Vehicle Fitment Notes:
Delco 24SI HP IR/IF 12V 160A CW WO/ Pulley
Delco 24SI HP IR/IF 12V 160A CW WO/ Pulley





Alternator
$345.84
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.8L 12816cc 781ci L6 (5.04x6.54; 128.0x166.0);
Engine Base: 12.8L 12816cc 781ci L6 (5.04x6.54; 128.0x166.0);
Vehicle Fitment Notes:
Delco 28SI IR/IF 12V 200A CW WO/ Pulley
Delco 28SI IR/IF 12V 200A CW WO/ Pulley





Alternator
$1,454.63
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.8L 12816cc 781ci L6 (5.04x6.54; 128.0x166.0);
Engine Base: 12.8L 12816cc 781ci L6 (5.04x6.54; 128.0x166.0);
Vehicle Fitment Notes:
Make sure wiring can handle additional Amperage output.
Make sure wiring can handle additional Amperage output.





Alternator
$1,454.63
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.8L 12816cc 781ci L6 (5.04x6.54; 128.0x166.0);
Engine Base: 12.8L 12816cc 781ci L6 (5.04x6.54; 128.0x166.0);
Vehicle Fitment Notes:
Prestolite IR/EF 12V 220A CW WO/ Pulley
Prestolite IR/EF 12V 220A CW WO/ Pulley

Alternator
$614.30
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 15.8L 15830cc 966ci L6 (5.5118x6.7323; 140.0x171.0);
Engine Base: 15.8L 15830cc 966ci L6 (5.5118x6.7323; 140.0x171.0);
Vehicle Fitment Notes:
12V / 130A Dual Foot Mt. ND
12V / 130A Dual Foot Mt. ND


Alternator
$1,222.58
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 15.8L 15830cc 966ci L6 (5.5118x6.7323; 140.0x171.0);
Engine Base: 15.8L 15830cc 966ci L6 (5.5118x6.7323; 140.0x171.0);
Vehicle Fitment Notes:
320A LN SE Regulator
320A LN SE Regulator