2012–2025 Jeep Grand Cherokee 6.4L Spark Plugs
OE-verified plug, cross-brand equivalents, gap, and where to buy for the 2012–2025 Jeep Grand Cherokee 6.4L.
Verified against a manufacturer OE catalog.
The NGK LTR6IX11 is a 14mm thread, 19mm reach, gasket seat, heat range 6, iridium electrode spark plug, pre-gapped to 0.043". These specifications are decoded from the NGK part number and determine which plugs it safely cross-references to — a valid equivalent must match the thread, reach, seat and heat range.
Spark plugs that fit the 2012–2025 Jeep Grand Cherokee 6.4L
| Plug | Metal | Gap | Buy |
|---|---|---|---|
| OE ✓ NGK LTR6IX11 | Iridium | 0.043" | Buy |
Frequently asked questions
What spark plug does a 2012–2025 Jeep Grand Cherokee 6.4L use?
The OE-verified plug is the NGK LTR6IX11 (Iridium), gapped at 0.043". Verified against a manufacturer OE catalog.
How many spark plugs does a 2012–2025 Jeep Grand Cherokee 6.4L need?
Check your owner's manual for the exact count for this engine.
What is the spark plug gap for a 2012–2025 Jeep Grand Cherokee 6.4L?
0.043" — always confirm against the label or manual before installing.
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