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SBTork · 11-28-2022, 10:55 AM

D1943A is the correct one for a 1990. GM part number is 19179578. Hope that helps

11-28-2022, 10:55 AM	#7
SBTork Garage wrench Join Date: Feb 2008 Location: LaCrosse, WI Posts: 1,856	Re: 1990 TBI no fuel and No fire D1943A is the correct one for a 1990. GM part number is 19179578. Hope that helps __________________ -Adam 90 V1500 GMC Suburban 350/700R4/NP241..... 01 Saturn SL1 stock DD.....