Champion 439 spark plug for the 1999-2007 Jeep Grand Cherokee V8 4.7L and other vehicles ignites the fuel and air in the cylinder.
- Champion Copper Plus design with a copper core center electrode for accurate heat range control and longer life
- Coated shell for corrosion resistance in harsh environments
- Built-in noise suppression: resistor technology minimizes electrical interference with sensitive electronics
- Engineered for reliable ignition in all weather conditions
Quick facts
- Part: Champion 439 spark plug
- Fits: 1999-2007 Jeep Grand Cherokee V8 4.7L and other vehicles
- Condition: New
Worn plugs can bring hard starting, a rough idle or a misfire, and the electrodes of a removed plug can show wear or deposits. Before you replace the plugs, rule out a weak ignition coil, a damaged plug wire or a fuel problem, since a misfire can start in any of them.
Fits
This spark plug is built to meet OE fit, form and function on the 1999-2007 Jeep Grand Cherokee V8 4.7L, the 2002-2007 Dodge Ram 1500 V8 4.7L and the 2000 Toyota 4Runner 4-cylinder 2.7L. The two V8 4.7L engines take eight plugs each, and the 2.7L 4-cylinder takes four. If your car is not named here, find its year and engine in the Vehicles it fits section.
Specifications
Fit and size
- Plug type: RC12MCC4
- Thread diameter: 14 mm (0.551 in)
- Pre-gap: 0.041 in (1.05 mm)
- Seat type: Flat
- Quantity per vehicle: varies by engine
Build and materials
- Condition: New
- Grade: Standard replacement
- Resistor: Yes
- Center electrode tip: Copper
- Washer: Crush washer included
- Country of origin: China
In the box
One spark plug with its crush washer.
Installation notes
- Comes pre-gapped, which simplifies installation.
Interchange: 12129068016 · 12129070999 · 14FR9KUX2 · Z220 · RC12MCC4 · 56028236AA · KJ14CR11 · QJ16CR11 · 2240170J13 · SPRC12MCC4 · 4609076 · 4609079 · 4043 · 5084 · 5584 · ZFR4F11 · ZFR5A11 · ZFR5E11 · ZFR5J11 · ESP014
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
12129068016, 12129070999, 14FR9KUX2, Z220, RC12MCC4, 56028236AA, KJ14CR11, QJ16CR11, 2240170J13, SPRC12MCC4, 4609076, 4609079, 4043, 5084, 5584, ZFR4F11, ZFR5A11, ZFR5E11, ZFR5J11, ESP014
Frequently Asked Questions
Are these Champion 439 Ram 1500 plugs the right ones for the 2002-2007 Dodge Ram 1500 V8 4.7L?
Yes. The Champion 439 spark plug fits the 2002-2007 Dodge Ram 1500 V8 4.7L, which takes eight plugs. Other engines and cars are in the Vehicles it fits section.
Does the Champion 439 work in a 2000 Toyota 4Runner 4-cylinder 2.7L?
Yes. The Champion 439 spark plug fits the 2000 Toyota 4Runner 4-cylinder 2.7L, and that engine takes four plugs.
Does the Champion 439 spark plug come with a washer?
Yes. Champion 439 includes a crush washer, and the plug is pre-gapped at 0.041 in (1.05 mm).
What thread diameter does the Champion 439 use?
This spark plug has a 14 mm (0.551 in) thread diameter and a flat seat with a crush washer.
Does the Champion 439 replace a Z220 spark plug?
Yes. Z220 is one of the numbers this plug replaces, and the plug's own type is RC12MCC4. It is a resistor plug with a copper center electrode tip.
