Mp 1226
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The input shaft seal is a dual lip seal used specifically for the MW7 which has a wet cavity adapter, these seals are also used for the MYD in order to retain a common part number for this model.
MP 1225/1226
- The input shaft pilot bearing assembly is larger to accommodate the larger rear output shaft, the outer diameter measures 41.275 mm (1.625 in)
- An input shaft pilot bearing retaining ring is used.
- The high/low clutch has neutral pointing engagement teeth, the leading edge of the teeth are symmetric.
- The rear output shaft is larger.
- The front output shaft drive sprocket is 38.1 mm (1.5 in) wide.
- The front output shaft driven sprocket is 38.1 mm (1.5 in) wide.
- The rear output shaft rear bearing retaining rings are larger, the outer diameter of the ring groove at the rear output shaft measures 38.5 mm (1.516 in).
- The rear output shaft rear bearing assembly is larger, the inner diameter measures 41 mm (1.614 in).
- The rear output shaft seal is larger, the inner lip diameter measures 54.2 mm (2.134 in).
- The rear output shaft bushing is larger, the inner diameter measures 56.08 mm (2.208 in).
- The rear case half has larger bores to accommodate the rear output shaft seal and the rear output shaft bushing.