Spark Plug for 1997-2006 Jeep Wrangler & More - Bosch 9656

Bosch 9656 spark plug for the 1997-2002 Jeep Wrangler 4-cylinder 2.5L, the 1997-2006 Wrangler 6-cylinder 4.0L and other vehicles ignites the air-fuel mixture in each cylinder with a fine wire double iridium design. Its iridium firing pin and iridium ground electrode inlay offer higher performance and 4 times longer life than standard copper spark plugs.

• Bosch Double Iridium fine wire design needs up to 24% less voltage to ignite
• Laser welded, tapered ground electrode supports ignition throughout the life of the plug
• 360 degree continuous laser welding adds durability for longer life
• Copper core gives a broader heat range to resist pre-ignition and fouling

Quick facts

• Part: Bosch 9656 spark plug
• Fits: the 1997-2002 Jeep Wrangler 4-cylinder 2.5L, the 1997-2006 Wrangler 6-cylinder 4.0L and other vehicles
• Condition: New

Worn plugs can show up as hard starting, a misfire or a rough idle. These signs alone do not prove the plug is the problem; a weak ignition coil is another common cause.

Fits

It is a spark plug for the 1993-2004 Jeep Grand Cherokee 6-cylinder 4.0L and the 2004-2006 Dodge Ram 1500 V10 8.3L, and it is listed for a wide range of Jeep, Dodge, Chrysler and American Motors models. This listing is one plug: the 1997-2002 Jeep Wrangler 4-cylinder 2.5L takes four and the 1997-2006 Wrangler 6-cylinder 4.0L takes six. If your car is not named here, open the "Vehicles it fits" section and look up your exact model and engine.

Specifications

In the box

One spark plug.

Installation notes

• Pre-gapped from the factory, so no gap adjustment is needed.
• Nickel plated threads mean no anti-seize is required.