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DENSO Ignition Wire Sets

DENSO First Time Fit ignition wire sets are identical in form, fit, color and performance to the factory-installed wire sets. Every part of each wiresets construction meets or exceed OE/OES specifications.

All-Silicone Wires

The 7 and 8mm ignition wires are SAE J2031 Class E rated, the highest quality wire used in the industry. These wires can withstand temperatures from -40° to 428° F and pass tests covering everything from electrical properties to shrinkage to chemical resistance and accelerated life testing.

Pre-cut to Exact Lengths

Each wire in the set is pre-cut to exact length so the wire sets are ready to install right out of the box.

Identical OE End Caps

Designed to "click" into place for easy installation and a secure fit. This allows the installer to "feel and hear" that a solid connection has been made, even when the connection is in a difficult-to-see location.

Strong Connections

Through a patented process, the terminals are attached to provide an extremely strong connection ensuring the cable and boot will not separate during removal and installation.

SAE Wire Classification C D E
Thermal Overload Test Temp. 155° C / 311° F 180° C / 356° F 220° C / 428° F
Low Temperature Test -30° C / -22° F -30° C / -22° F -40° C / -40° F
High Temperature Test Temp. 120° C / 248° F 155° C / 311° F 180° C / 356° F
Low Temp. Resistivity Test 20° C / -4° F -20° C / -4° F -30° C / -22° F
  1. Carbon impregnated fiberglass core for superior conductivity.
  2. Fiberglass braid for maximum strength.
  3. Conductive silicon layer for high temperature performance and EMI/RFI noise suppression.
  4. Silicone insulation for superior dielectric and heat performance.
  5. Reinforcing member for added strength and terminal retention.
  6. High temperature "Class E" silicone jacket to withstand heat, cold, chemicals and moisture.
  7. Core reinforced with KEVLAR®.
  8. Layer impregnated with Ferrite.
  9. Wire-wound layer to suppress EMI/RFI noise.