| Best Spark Plugs for 4.0 Jeep | Image | Score | Link |
|---|---|---|---|
| Champion Spark Plug for 4.0 Jeep |  | 4.3 |  |
| Fram Autolite XP985 Iridium XP Spark Plug |  | 4.6 | |
| NGK V-Power Spark Plugs for 4.0 Jeep |  | 4.8 | |
| NGK 3459 Spark Plug for 4.0 Jeep |  | 4.9 | |
| NGK V-Power Spark Plug for 4.0 Jeep |  | - | |
Hello guys, today I will be introducing to you the best spark plugs for 4.0 Jeep.
Best Spark Plugs for 4.0 Jeep
As a proud owner of Jeep, you cannot have enough of the mean machine! This 4.0 liter Jeep engine has been a favorite among the autophile community. Ever since this became a regular fixture in the Jeep Wrangler, Jeep Cherokee, and Jeep Comanche, it has been in demand for its great torque power. It has also helped in being strong for over 200,000 miles with ease. The spark plugs too offer quick start and even in any weather. These spark plugs should be coming with a copper core electrode. Nevertheless, replacing these after the completion of many miles becomes a necessity. Many brands have come up with superior quality spark plugs for the 4.0 Jeep machines. Let us check the best five available in the market.
1. Champion Spark Plug for 4.0 Jeep
The spark plugs come with maximum EMI and RFI Suppression and offer maximum resistance to corrosion. It gets Copper core for better heat transfer and at the right level too. It meets with the ISO and SAE standards, and it is ideal for durable performance.
2. Fram Autolite XP985 Iridium XP Spark Plug
The product comes with an attached motor seat gasket and terminal nut. Its patented V-trimmed platinum sidewire technology resists wear and tear. Moreover, the iridium-enhanced platinum alloy gets a 0.6mm fine wire center core. It, therefore, offers better performance at par with the OE parts.
3. NGK V-Power Spark Plugs for 4.0 Jeep
The product offers cold-rolled threads to prevent any damage to the cylinder head. The trivalent metal plating provides the best anti-corrosion to the plugs. The V-Power spark plugs come with a five-rib insulator to prevent any flashover. The product gets a solid copper core.
4. NGK 3459 Spark Plug for 4.0 Jeep
The product gets a V-Cut design in the middle electrode to help the spark to the edge. This helps the spark to develop faster and increases the speed of ignition. It comes with corrugated ribs to prevent any flashes. The Trivalent metal plating promotes better heat transfer.
5. NGK V-Power Spark Plug for 4.0 Jeep
It is for Jeep Grand Cherokee Limited version 1999-2004 for the 4.0 liter engine/242. The spark plugs belong to the AMC inline-6-cylinder group and get trivalent metal plating for anti-corrosive and anti-seizing properties. Moreover, the product offers increased fuel economy and lower emissions.
After a lot of contemplation, my choice is the Champion Spark Plug 438 Spark plugs. The product gets a copper core electrode to heat up fast and transfer the same faster. It comes with better corrosion resistance and an ultra seal coated shell. You can find the products link in table.
