NGK 59042 Coil On Plug Boot Direct Ignition Coil Boot, Silicone

The NGK 59042 Coil On Plug Boot (also called a direct ignition coil boot or COP boot) connects the ignition coil to the spark plug. It carries the spark across that connection. It is built to OE-level standards for fit and durability.

Key Features:

• Premium-grade silicone construction, designed to withstand harsh under-hood environments
• OEM-matched design that includes the required internal springs and ferrite resistors
• Suppresses RFI/EMI noise to help protect vehicle electronics
• Metal contact spring helps limit spark loss during voltage transfer
• Black boot, NGK stock number 59042

Cross References: NGK CPB-FD018, Standard Motor Products SPP192E.

Specifications: approximately 2.1 x 1.8 x 7.1 inches, about 0.2 lb.

NGK recommends replacing coil on plug boots whenever you change spark plugs. A fresh boot helps prevent ignition problems such as flashover.