View 14 Photos View 0 Videos Aisin PF21F000 B-50 Transmission Core for a 2008 GMC W4500 Newly Listed Contact for price Good used Aisin PF21F000 B-50 transmission core from a 2008 GMC W4500 truck. The transmission core has been visually inspected and is in good condition. The transmission core has a PTO gear... ConditionUsedEngine ModelIsuzu 4HK1-TCFits To Make(s)GMCFits To Model(s)W4500Will Fit Year(s)2008Part Number2500607-3Stock Number250607-3 MLS Number14534559CategoryTransmission Cores Last Updated8/11/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info