Buy 1989 Gmc C2500 Sierra Extended Cab Pickup Fleetside Exhaust Gas Recirculation (EGR) Valve. 6 GVW, Combustion, Lbs - OEM Gmc Part # 19210653 (17113370, 214-5072, 2145072)

Valve. Exhaust Gas Recirculation (EGR).
A Valve used to recirculate small amounts of Exhaust back into the combustion chambers of the engine in order to decrease the combustion temperature, thereby reducing the formation of smog-producing nitrogen oxides. Optional. Over GVW 8,500 Lbs. Standard. Under GVW 8,500 Lbs.

EGR Valve

6 cylinder. All Models; 4.3L. Astro, Safari; 4.3L; Auto Trans; All; Vin Code W. Astro, Safari; 4.3L; Auto Trans; All; Vin Code Z. G10-30 Vans; 4.3L.
EGR Valve - Repair or Replace
A failed EGR valve will often have no noticeable symptoms beyond a check engine light, but it does cause your 1989 GMC C2500 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and GMC genuine parts.