Please check notes in each part listing to ensure the Distributor Components is correct for your 1990 GMC C3500 PICKUP with a 7.4L 454 engine. Special restrictions like "California only" or "with sport package" may indicate a Distributor Components fits only certain 1990 GMC C3500 PICKUP models.
Clicking a "More Info" link will display a picture and/or other details about that Distributor Components in a separate window (you may need to turn off your pop-up-blocking software for this to work).
After choosing a Distributor Components, click the "Add Part" button. Shipping costs will be shown on the Shopping Cart page. You may use your browser's Back button or click "Find More Parts" to find more Ignition parts, other GMC C3500 PICKUP parts or parts for a different vehicle. Please try our Interactive Catalog (click link above) for faster searching. Both catalogs use the same shopping cart so any auto parts you've already chosen for your 1990 GMC will not be lost if you switch.