Mazda CX-9 Serpentine Belt 2011–2017, 6PK1137, CYY115908

The Mazda CX-9 serpentine belt is an engine accessory drive belt that transfers motion to pulley-driven components. It has code 6PK1137 and cross-references Mazda part number CYY115908.

Product Information

• Product name: Mazda CX-9 serpentine belt

• Part number: CYY115908

• Replacement code: 6PK1137

• Brand: Genuine

• Part type: Accessory drive belt, multi-rib belt

• Vehicle: Mazda CX-9

• Model years: 2011–2017; confirm by vehicle version

• Reference dimensions: 1,137 mm long, 6 ribs

• Installation location: Engine accessory drive system

• Condition: New

Compatibility

Part number CYY115908 is listed in Mazda parts catalogs and has corresponding replacement belts. Code 6PK1137 refers to a 6-rib belt with a nominal length of 1,137 mm.

However, there is not enough information to confirm that this part fits every 2011–2017 Mazda CX-9. Check the code on the old belt, the engine configuration, and the VIN before ordering, especially for model years with changes to the engine version.

Product Function

• Transfers motion between pulleys in the accessory drive system.

• Helps operate engine accessories driven by the belt.

• Helps maintain stable operation of the accessory drive system when the belt is properly tensioned.

Part Features

• Multi-rib belt design.

• Features 6 ribs running along the belt.

• Reference nominal length: 1,137 mm.

• Cross-reference codes: 6PK1137 and CYY115908.

Applicable Vehicle

• Mazda CX-9: Confirm the model year, engine version, and actual belt code before installation.

• Do not rely on the model year alone to determine compatibility.

Replacement Recommendations

When replacing the serpentine belt, also inspect the pulleys, idler pulley, belt tensioner, and related drive components. If the old belt is cracked, frayed at the edges, hardened, or squealing, identify the cause before installing a new belt.

Check Compatibility Before Ordering

Please compare code 6PK1137, Mazda part number CYY115908, and the actual belt length. For 2016–2017 vehicles, confirm fitment using the VIN or the part number on the old belt to avoid selecting the wrong specification.