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⚡ Ignite your Jeep’s power with precision-engineered spark plugs!
Sixity Auto’s 6-pack Champion Copper Plus Spark Plugs deliver exact 0.035in gap precision and genuine OE quality, engineered specifically for Jeep Grand Cherokee 4.0L L6 models (1999-2004). Featuring durable copper cores for superior conductivity, these plugs ensure reliable ignition and optimal engine performance, making them the go-to upgrade for Jeep owners seeking seamless fit and lasting power.
| ASIN | B07YLDQG7Y |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #61,462 in Automotive ( See Top 100 in Automotive ) #299 in Automotive Performance Spark Plugs |
| Brand Name | Sixity Auto |
| Compatible with Vehicle Type | Car |
| Core Material | Copper |
| Customer Reviews | 4.6 4.6 out of 5 stars (168) |
| Gap Size | 0.9 Millimeters |
| Manufacturer | Sixity Auto |
| Manufacturer Part Number | 4114746572 |
| Model Number | 4114746572 |
| Thread Size | 1.4 centimeters |
| Top Material Type | Copper |
| Unit Count | 6 Count |
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J**T
They were cheaper than going to the store and they were delivered to my house. House made it easy.
M**G
Great parts. Quick shipping
K**V
They're all sparking we just hope the mail last longer than a trip around the block
B**Y
These are the best plugs for jeep 4.0L motors! They love copper plugs and they last long in high altitude climates. I live 10k+ in elevation in my 4.0L does well with these champion copper plugs. You will have to gap them! And make sure you add zinc additive when you do an oil change.