Restore dependable spark insulation with the ThunderCore PRO Coil Boot 900-P2004, an OE-replacement coil boot for coil-on-plug (COP) and coil-near-plug (CNP) ignition systems. It drops in as a direct-fit replacement for the 1995-1998 Toyota T100, 1995-2004 Toyota Tacoma, 1996-2002 Toyota 4Runner, and 2000-2004 Toyota Tundra — see the Buyer's Guide tab for engine-level coverage.
A coil boot forms the insulative path between the ignition coil and the spark plug. Over time, heat, vibration, and chemical exposure can degrade a boot, which can lead to arc-through, misfires, or hard starting. If a failed boot is the cause of those symptoms, this replaces it.
Interchange: 671-6248 · CH-70 · 36-2028
6716248 · CH70 · 362028 · SPP79E
This part cross-references / interchanges with the following part numbers:
What does the 900-P2004 coil boot do?
It forms the insulative path between the ignition coil and the spark plug in coil-on-plug (COP) and coil-near-plug (CNP) systems, providing high-voltage insulation and secure coil-to-plug contact.
Which vehicles does this coil boot fit?
It's a direct-fit replacement for the 1995-1998 Toyota T100, 1995-2004 Toyota Tacoma, 1996-2002 Toyota 4Runner, and 2000-2004 Toyota Tundra. Check the Buyer's Guide tab to confirm your engine.
What are signs a coil boot may need replacing?
Arc-through, misfires, or hard starting can point to a degraded boot. Diagnose the cause first, since these symptoms can have other sources; if a failed boot is the cause, this replaces it.
What is this coil boot made of?
It's constructed from high-temp silicone and other reinforced, high-temperature materials to resist oil, fuel, and under-hood heat.
What part numbers does this coil boot cross-reference?
It interchanges with 671-6248, CH-70, 36-2028, and SPP79E (also written 6716248, CH70, and 362028).
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
