2003-2004 GMC Yukon XL 1500 V8 6.0L High Output Alternator JS Alternators it is required to install

it is required to install a 1/2"" - 1"" shorter belt

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2003-2004 GMC Yukon XL 1500 V8 6.0L High Output Alternator JS Alternators it is required to installFitment: This is a direct fit high output alternator for the 2003 2004 GMC Yukon XL 1500 6. 0L. Being a direct fit, this alternator fits directly into your stock alternator location. Plug: This high output alternator comes with a factory style plug so that your OEM plug will plug directly into the alternator. Therefore, with an OEM style regulator, it will have a factory voltage set point. NOTE: If you require charging at a certain voltage setpoint,