MoparPartsGiant.com offers the wholesale prices for genuine 2011 Jeep Compass parts. Parts like Emission Harness are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.0L, 4 Cyl 2.4L. Transmission: 5-Speed Manual Transmission, CVT, CVT II.