Dorman - HELP Distributor Drive Gear P/N:90457
When a damaged distributor base has caused the original plate to fail, the Dorman distributor repair plate, part number 90449, is a direct replacement for that Vortec distributor component. It fits many vehicles, among them the 1999-2007 Chevrolet Silverado 1500, 1996-1999 Chevrolet C1500 and 1996-1999 Chevrolet K1500. See the "Vehicles it fits" section for the full list and engine details.
Dorman lists this part as a Vortec distributor repair plate. Before ordering, inspect the distributor base and the original plate to confirm they are the source of the problem. During installation, follow the vehicle service information for the correct procedure, fasteners and torque values.
Interchange: 12598210 · 93441558
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This part cross-references / interchanges with the following part numbers:
What does the Dorman distributor repair plate do?
It is a direct replacement for an original Vortec distributor plate that has failed because of a damaged distributor base. It is designed to fit and work like the original on the listed applications.
Does part 90449 fit a 1999-2007 Chevrolet Silverado 1500?
Yes. The 1999-2007 Chevrolet Silverado 1500 is a listed application, along with the 1996-1999 Chevrolet C1500 and K1500. Check the "Vehicles it fits" section for engine details.
Which engine is this repair plate for?
Dorman describes it as a Vortec distributor repair plate. Use the "Vehicles it fits" section to confirm the engine listed for your vehicle.
When might I need this repair plate?
If the original plate has failed because of a damaged distributor base, this plate is intended to replace it. Inspect the distributor and its base first to confirm the cause.
How is the repair plate installed?
Follow the vehicle service information for the removal and installation steps, and for the correct fasteners and torque values.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.