Ignition Coil and Iridium Spark Plugs for Isuzu Trooper (2000-2002) 3.5L

Direct-Fit Ignition Coil and Iridium Spark Plug Kit for 2000-2002 Isuzu Trooper

What it Does: The Ignition Coil and Iridium Spark Plug Kit replaces worn coil packs and eroded plugs on the 2000-2002 Isuzu Trooper to eliminate ignition misfires, stabilize idle, and restore factory combustion efficiency.

The Stock Isuzu Trooper Ignition Coil Degradation

Mounted directly atop the cylinder heads of the 3.5L 6VE1 engine, the factory pencil coils undergo persistent heat soak and thermal cycling within deep spark plug recesses. Over time, prolonged exposure causes the factory epoxy potting to micro-fracture and the internal secondary copper windings to short. The resulting dielectric breakdown triggers high-voltage arc-over, rough cold starts, hesitation under load, and recurring P0300-P0306 misfire codes. Standard copper or worn platinum plugs exacerbate the issue by increasing primary voltage demand across an already compromised secondary ignition circuit.

The Engineering Solution

This replacement kit pairs six high-dielectric coil packs with six premium iridium spark plugs engineered to factory tolerances. The coils feature high-temperature silicone boots and heavy-duty epoxy insulation designed to resist thermal degradation and moisture intrusion. Optimized primary and secondary windings deliver stable, high-energy spark discharge throughout the RPM band. Paired with fine-wire 0.6mm iridium center electrodes, this configuration reduces arc-initiation voltage requirements, broadens flame front propagation, and provides superior resistance to fouling under sustained operating loads. Direct OE-spec interchange for UF252, UF251, and 8190052400.

Technical Specifications

Compatibility

• 2000 Isuzu Trooper S / LS / Limited 3.5L V6 DOHC
• 2001 Isuzu Trooper S / LS / Limited 3.5L V6 DOHC
• 2002 Isuzu Trooper S / LS / Limited 3.5L V6 DOHC

Frequently Asked Questions

Does this fit the UBS Trooper?
Yes, this kit is a direct fit for the 2000-2002 Isuzu Trooper UBS chassis equipped with the 3.5L 6VE1 engine.

Do these spark plugs require pre-gapping prior to installation?
The iridium spark plugs arrive pre-gapped to factory specifications, though gap verification prior to installation is always standard practice.

The Isuzu Heavy-Duty Standard

The second-generation Trooper is built for durable trail navigation and demanding towing duty, requiring an ignition setup that handles high cylinder pressures without spark blowout. This matched coil-and-plug kit restores original throttle response, stabilizes heavy-load fuel delivery, and ensures lasting reliability on remote overland tracks.