8 in.; 3/4 in. Thread Toyota 8 in.; 3/4 in. Thread
Steel
Steel
Steel
Steel
Brass
Brass
Browse our selection of quality engine expansion plug kit parts designed specifically for your Toyota 4Runner. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · DLX · Limited · SR5 · Sport
Sport Utility
L4 2.4L · L4 2.7L · V6 3.0L · V6 3.4L · V6 4.0L · V8 4.7L
Automatic · Manual