Silverado 3500 4WD V8-6.0L VIN U (2004)
Fluid - Transfer Case: Fluid Type Specifications
NVG 149-NP3 ................................................................................................... Manual Transmission Fliod GM P/N 8861800 (Canadian P/N 88861801)
NVG 246-NP8 ......................................................................................... Auto-Trak II, transfer case fluid, GM P/N 12378508 (Canadian P/N 10953626)
NVG 261-NP2 ................................................................................................... Manual Transmission Fliod GM P/N 8861800 (Canadian P/N 88861801)
NVG 263-NP1 ................................................................................................... Manual Transmission Fliod GM P/N 8861800 (Canadian P/N 88861801)