Serpentine Belt for 2014-2017 Western Star 4900FA & More - Gates K120979

$114.99

Part number: K120979

UPC: 072053876055

Condition: New

Weight: 1.06 LBS

Item Package Quantity: 1

$114.99

Current Stock: 19

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Gates Serpentine Belt P/N:K120979

$114.99

Description

Gates K120979 serpentine belt for the 2014-2017 Western Star 4900FA 6-cylinder 14.9L and other vehicles carries engine power to the fan and alternator. The belt matches the OE size, construction and materials, and meets or exceeds all specifications from the Original Equipment Manufacturer.

Gates Micro-V serpentine belt with 12 ribs and a K cross section
Special belt construction eliminates belt noise, reduces tension loss and solves problem drive applications
EPDM rubber construction resists cracking on the rib surface
Polyester cord material

Quick facts

Part: Gates K120979 serpentine belt
Fits: 2014-2017 Western Star 4900FA 6-cylinder 14.9L and other vehicles
Position: Fan and alternator, fan
Material: EPDM
Condition: New

Cracked, frayed or glazed ribs, or a squeal, can mean the belt is worn. A weak tensioner or a misaligned pulley can also make a belt squeal, so with the engine off and cool, look over the ribs and pulleys before replacing the belt.

Fits

The 2014-2017 Western Star 4900FA 6-cylinder 14.9L, the 2003-2008 International 9900i 6-cylinder 14.9L and the 2003-2008 International/Navistar 9900I truck each take one of these belts, and it fits a wide range of other vehicles. Driving something else? Look up your truck's year and engine in the "Vehicles it fits" section.

Specifications

Fit and size

Position: fan and alternator, fan
Quantity per vehicle: 1
Cross section: K
Rib quantity: 12
Top width: 42 mm (1.647 in)
Outside circumference: 2492 mm (98.11 in)
Effective length: 2478 mm (97.54 in)

Build and materials

Type: automotive V-ribbed belt (standard)
Material: EPDM
Cord material: polyester
Grade: OE Performance
Condition: new
Country of origin: Mexico

Installation notes

Replacing the tensioner is recommended, if the engine has one.

Manufacturer's description

Product specs

Vehicles it fits

Interchange numbers

Buyer's Q&A

Frequently Asked Questions

Does the Gates K120979 fit the 2014-2017 Western Star 4900FA 6-cylinder 14.9L?

Yes. Gates K120979 is listed for the 2014-2017 Western Star 4900FA 6-cylinder 14.9L, one belt per vehicle. For other trucks, use the "Vehicles it fits" section.

What size is K120979 among Gates drive belts?

This belt has 12 ribs, a K cross section, a 42 mm top width, a 2492 mm outside circumference and a 2478 mm effective length.

Is this one of the Gates ribbed belts made with EPDM rubber?

Yes. This serpentine belt is EPDM with a polyester cord, and the EPDM construction resists cracking on the rib surface.

Does this Gates alternator belt also drive the fan?

Yes. Gates K120979 is listed for the fan and alternator drive position, and each vehicle takes one belt.

What signs can mean this serpentine belt is worn?

Cracks across the ribs, fraying or missing rib sections, and squealing can mean the belt is worn. A shop can check belt tension and pulley alignment while the engine is running.