0 0 Isuzu FORWARD 5000 Transmission for a 1988 GMC FORWARD 5000 Contact for price GOOD USED, Serial#: #CASE 157, Core Charge: 0, Engine Make: ISUZU, Engine Model: 6BG1 ConditionUsedEngine ModelIsuzu 6BG1Fits To Make(s)GMCFits To Model(s)FORWARD 5000Will Fit Year(s)1988Stock Number3A1E30480 MLS Number11626624CategoryTransmissions Last Updated11/15/2025 LocationSte-Julie, QC, Canada Sold ByCamions Lussier-Lussicam inc. (844) 503-___ SHOWNUMBERCall Seller Email Seller Save More Info