Transfer Case Oil Pump Housing
Fits Sierra 1500 Base Model; Mainshaft, 32 Spline, Uses 49 Spline Oil Pump; OE Number 88962321; w/ NP261HD Transfer Caseor Sierra 1500 HD; Mainshaft, 32 Spline, Uses 49 Spline Oil Pump; w/ NP261HD Transfer Case; OE Number 88962321