




This remanufactured Alliant Power common rail injector is a diesel fuel injector that meters and sprays fuel into the cylinder. Alliant Power builds it to OE specifications to restore factory operation.
Application and specifications listed for part number AP55521: GM 6.6L LBZ. Alliant Power lists this part for: Chevrolet Express 3500 (2006-2007), GMC Sierra 2500 HD Classic (2007), Chevrolet Silverado 3500 Classic (2007), Chevrolet Express 2500 (2006-2007), Chevrolet Silverado 3500 (2006), GMC Sierra 3500 Classic (2007).
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