New Process NP261XHD NP263XHD transfer case UPGRADED rear housing
NEW PROCESS
 NP261XHD / NP263XHDÂ
UPGRADED ALUMINUM CONSTRUCTION DESIGN
 Part # 25900
Fits GM 2500/3500 model trucks with
Allison Transmission and NP261/263XHD units
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We will be closed Dec 23rd,24th,25th & 31st along with Jan 01. Please expect delays in order fulfillment and shipping times for the remainder of 2025.
NEW PROCESS
 NP261XHD / NP263XHDÂ
UPGRADED ALUMINUM CONSTRUCTION DESIGN
Fits GM 2500/3500 model trucks with
Allison Transmission and NP261/263XHD units
Â