Do I need to pull the inner fender or bumper to install this?

Installation method and access points not specified in product data. Test-fit and check your service manual for the fastest approach — some trucks allow access from the bed side, others may require bumper removal depending on your specific model year.

Will this work with my factory wiring harness?

Connector compatibility not confirmed. Verify the connector type on your existing tail light before ordering to avoid surprises during install.

Does this include the bulbs?

Bulbs are not included with this assembly. You'll reuse your existing bulbs or source replacements based on your truck's specification.