major replacement part
Defined in 1 place of the United States Code.
“major replacement part” means a major part that is—
(A) an original major part in or on a completed motor vehicle and customized or modified after manufacture of the vehicle but before the time of its delivery to the first purchaser; or
(B) not installed in or on a motor vehicle at the time of its delivery to the first purchaser and the equitable or legal title to the vehicle has not been transferred to a first purchaser.
Source
- 1994–present49 U.S.C. § 33101Transportation · Definitions · in this chapter