GMPartsGiant.com offers the wholesale prices for genuine 2022 Chevrolet Trailblazer parts. Parts like Fuel Injector Rail are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 3 Cyl 1.2L, 3 Cyl 1.3L. Model Code: LEVEL I 4 DOOR EXTENDED, LEVEL II 4 DOOR EXTENDED, LEVEL III 4DOOR EXTENDED, LEVEL IV 4 DOOR EXTENDED, LEVEL V 4 DOOR EXTENDED.