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The Essential Auto Parts Guide

Updated November 22, 2019 293.4k views477 items

A list of essential car parts, all manufactured components of automobiles. There are hundreds of small parts that come together to form a modern automobile, from hardware and accessories that compliment the car's body and exterior to electronics embedded in the dashboard to the components that make up vital portions of the car's engine and transmission.

This list includes names of all important car parts - many of which can be purchased and replaced online - essential for building, maintaining and driving a working automobile. What are the functions of each of these important car parts? You'll find out on this list. They are identified by name and also by the portion of the car in which they are typically found. If you know of any important or key auto parts that aren't included in the list, please include them in the comments section.
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  • 1

    Bonnet/hood

    Body and exterior.
  • 2
    Body and exterior.
  • 3

    Unexposed bumper

    Body and exterior.
  • 4

    Exposed bumper

    Body and exterior.
  • 5

    Cowl screen

    Body and exterior.
  • 6

    Decklid

    Body and exterior.
  • 7

    Fascia rear and support

    Body and exterior.
  • 8
    Body and exterior.
  • 9

    Front clip

    Body and exterior.
  • 10

    Front fascia and header panel

    Body and exterior.
  • 11

    Grille

    Body and exterior.
  • 12

    Pillar and hard trim

    Body and exterior.
  • 13

    Quarter panel

    Body and exterior.
  • 14

    Radiator core support

    Body and exterior.
  • 15

    Rocker panel

    Body and exterior.
  • 16

    Roof Rack

    Body and exterior.
  • 17
    Body and exterior.
  • 18

    Front spoiler

    Body and exterior.
  • 19

    Rear spoiler

    Body and exterior.
  • 20

    Trim package

    Body and exterior.
  • 21

    Trunk

    Body and exterior.
  • 22

    Valance

    Body and exterior.
  • 23

    Welded assembly

    Body and exterior.
  • 24

    Door beam and panel

    Body and exterior, Doors.
  • 25

    Outer door handle

    Body and exterior, Doors.