Transfer Case Oil Pump Housing
Fits Silverado 1500 Base Model; Mainshaft, 32 Spline, Uses 49 Spline Oil Pump; with NP261HD Transfer Case; OE Number 88962321or Silverado 1500 HD; Mainshaft, 32 Spline, Uses 49 Spline Oil Pump; OE Number 88962321; with NP261HD Transfer Case