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Lisle 51410 offset spark plug boot pliers with angled jaws

Lisle

Lisle 51410 Offset Spark Plug Boot Pliers for GM 3.1L 3.4L 3.8L

SKU CH-3XAG-5C5TR

Offset pliers with a 5/8" opening remove stubborn spark-plug boots on GM 3.1, 3.4 and 3.8 engines without damaging wires

  • Product typePliers
  • Removes stuck spark plug boots without wire damage
  • 5/8" opening grips boots securely on GM 3.1L, 3.4L, 3.8L engines
  • 7" offset tip reaches tight engine compartments
  • Designed specifically for GM V6 applications
  • Lisle 51410 built for professional automotive use

Target Engines and Purpose

The Lisle 51410 pliers remove stubborn spark plug wires on GM 3.1L, 3.4L and 3.8L engines. The 5/8 inch opening fits spark plug wire boots precisely to prevent wire damage during removal. This hand tool is designed for automotive technicians and DIY owners working on these specific V6 applications.

Reach and Leverage in Confined Spaces

The tool measures seven inches long and features an offset tip that reaches into tight engine compartments. The geometry provides the leverage needed to free seized boots without excessive force that could tear the wire. No power source is required and the tool operates silently.

Upgrade from Standard Pliers

This replaces generic pliers that lack the correct jaw width and angled reach for these GM engines. The jump is worth it when boot access is restricted by surrounding components and factory wires are bonded in place. It is not suited for engines with different boot diameters or for tasks requiring insulated grips.

How it compares

Measured against everything we stock in Pliers, Wrenches & Gripping Tools, at today’s prices. Recalculated every night.

Price $15.99
Cheaper than about 66% of the 2,110 comparable items (median $23.99).

Specifications

Product
Brand nameLisle
Product typePliers

Questions about this item

How do I use the offset tip to reach the spark plug boots on a GM 3.8L without damaging the wires?

Position the 5/8" opening squarely over the boot, not the wire, then pull straight out using the 7" offset handle for leverage in tight engine bays.

Will the jaws or spring mechanism wear out after repeated boot removals?

The forged steel jaws and pivot are built for shop use; keep the joint lightly oiled and wipe the grip faces clean to maintain grip on the 5/8" boot opening.

At what point does heat soak from a 3.4L engine make the handles too hot to hold?

The 7" offset keeps your hand away from the cylinder head; the vinyl grips stay cool during normal removal jobs on GM 3.1L, 3.4L and 3.8L engines.

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