2012 Western Star 4900EX Serpentine Belts
Save up to 40% on original replacement 2012 Western Star 4900EX Serpentine Belts. Navigate our online catalogue to find Serpentine Belts and other parts designed specifically to fit a 2012 Western Star 4900EX.






Serpentine Belt - Air Conditioning
$53.53
$44.42
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: -L -cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L -cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);





Serpentine Belt - Air Conditioning
$53.53
$44.42
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
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);





Serpentine Belt - Alternator and Air Conditioning
$73.46
$61.79
10+ In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Italy
Vehicle fitment:
Engine Base: -L -cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L -cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);





Serpentine Belt - Alternator and Air Conditioning
$73.46
$61.79
10+ In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Italy
Vehicle fitment:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);





Serpentine Belt - Fan To Air Conditioning
$62.95
$55.05
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: -L -cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L -cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
with 68in Long Belt
with 68in Long Belt





Serpentine Belt - Fan To Air Conditioning
$62.95
$55.05
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: L6 14.8L (906cid -cc) 5.47x6.42in/139.0x163.0mm;
Engine Base: L6 14.8L (906cid -cc) 5.47x6.42in/139.0x163.0mm;
Vehicle Fitment Notes:
with 68in Long Belt
with 68in Long Belt

Serpentine Belt - Air Conditioning
$42.54
Limited 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 Designation: ISX 15.0; Engine Manufacturer: Cummins;
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke); Engine Designation: ISX 15.0; Engine Manufacturer: Cummins;

Serpentine Belt - Fan and Water Pump
$82.23
Limited 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 Designation: ISX 15.0; Engine Manufacturer: Cummins;
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke); Engine Designation: ISX 15.0; Engine Manufacturer: Cummins;



Serpentine Belt - Alternator and Air Conditioning
$58.14
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Italy
Vehicle fitment:
Engine Base: -L -cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L -cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);



Serpentine Belt - Alternator and Air Conditioning
$58.14
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Italy
Vehicle fitment:
Engine Base: 14.0L 14063cc 858ci L6 (5.2362x6.6142; 133.0x168.0);
Engine Base: 14.0L 14063cc 858ci L6 (5.2362x6.6142; 133.0x168.0);



Serpentine Belt - Alternator and Air Conditioning
$58.14
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Italy
Vehicle fitment:
Engine Base: 15.6L 952ci6;
Engine Base: 15.6L 952ci6;



Serpentine Belt - Alternator and Air Conditioning
$58.14
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Italy
Vehicle fitment:
Engine Base: L6 14.8L (906cid -cc) 5.47x6.42in/139.0x163.0mm;
Engine Base: L6 14.8L (906cid -cc) 5.47x6.42in/139.0x163.0mm;





Serpentine Belt - Fan To Air Conditioning
$146.27
$86.17
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: -L -cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L -cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
with 65in Long Belt
with 65in Long Belt





Serpentine Belt - Fan To Air Conditioning
$146.27
$86.17
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: L6 14.8L (906cid -cc) 5.47x6.42in/139.0x163.0mm;
Engine Base: L6 14.8L (906cid -cc) 5.47x6.42in/139.0x163.0mm;
Vehicle Fitment Notes:
with 65in Long Belt
with 65in Long Belt





Serpentine Belt - Fan and Alternator
$99.58
$80.14
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: -L -cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L -cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);





Serpentine Belt - Fan and Alternator
$99.58
$80.14
Out of Stock
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);