Genuine Ford 11-14 Mustang 3.7L V6 Accessory Drive Belt JK4-371-B - Ford (JK4-371-B)
- jk4371b
Genuine Ford 11-14 Mustang 3.7L V6 Accessory Drive Belt JK4-371-B - Ford (JK4-371-B)
- jk4371b
- MSRP: $35.82
- Discount: $11.39 (31.8% off)
- Sale Price: $24.43
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Details
- Brand:
- SKU:
JK4-371-B
- Description:
This is the genuine Motorcraft accessory drive belt in the JK4-371 family for the 2011 through 2014 Ford Mustang 3.7L Ti-VCT V6, a running variant of the standard serpentine belt for this platform. It routes crankshaft power through a single ribbed EPDM belt to the alternator, power steering pump, water pump and air conditioning compressor so every engine-driven accessory turns at the correct speed. Owners replacing this belt typically report a squeal or chirp on startup or when accessories load up, a battery light or power steering that comes and goes, or an old belt showing rib cracking, glazing, fraying or missing chunks. Because the belt drives charging, steering assist and coolant flow together, a failure can strand the vehicle, making proactive replacement worthwhile. As a Ford OEM Motorcraft component it matches the factory length and rib profile for exact fit and tension around the automatic tensioner and idlers. Confirm the tensioner holds firm spring pressure and that the idler pulleys spin freely and quietly, replacing any worn pulley alongside the belt to protect the new part.
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