Autolite AP5405 spark plug for the 2006-2010 Dodge Charger V6 3.5L and other vehicles and equipment ignites the air-fuel mixture in the cylinder. This Autolite spark plug is a resistor plug with an extra-long center electrode projection.
- Autolite platinum spark plugs use a platinum firing tip that prevents gap erosion for longer service life
- Platinum design for quicker firing and smoother starts
- High alumina ceramic insulator for thermal conductivity and insulation strength
- Multi-rib insulator that prevents flash-over
- Nickel-plated shell that resists corrosion
Quick facts
- Part: Autolite AP5405 spark plug
- Fits: 2006-2010 Dodge Charger V6 3.5L and other vehicles and equipment
- Material: Ceramic insulator
- Condition: New
Worn plugs can show up as hard starting, a rough idle, a misfire or poorer fuel economy. Before you replace them, rule out ignition wiring and fuel or air faults, which could also lie behind a misfire or a hard start.
Fits
Vehicles it fits include the 2006-2010 Dodge Charger V6 3.5L and the 2008-2010 Dodge Grand Caravan V6 4.0L, and it is among the spark plugs for the 2005-2010 Chrysler 300 V6 3.5L.
Specifications
Fit and size
- Thread size: M14 - 1.25 (metric), 14 mm diameter
- Hex size: 5/8 in
- Seat type: Flat, with crush washer
- Pre-gap: 0.05 in (1.3 mm)
- Insulator height: 2.165 in (55 mm)
- Center electrode projection: Extra-long
- Manufacturer heat range: 9
- Quantity per application: 6 for the V6 engines
Build and materials
- Electrodes: platinum tip and copper core on the center electrode, nickel tip and nickel core on the ground electrode
- Insulator: ceramic
- Resistor: yes, 4000 ohm
- Terminal: non-removable nut
- Condition: New
- Warranty: Autolite 4 year limited warranty
- Country of origin: Mexico
In the box
One spark plug with a crush washer. Plugs are normally changed as a full set, and this listing is one plug; the 2006-2010 Dodge Charger V6 3.5L takes six.
Interchange: 4118 · 3034 · RC12PEC5 · SZFR5LP13G · 7781 · 7B0905600
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
4118, 3034, RC12PEC5, SZFR5LP13G, 7781, 7B0905600
Frequently Asked Questions
Is this the right Dodge Charger spark plug for a 2006-2010 model with the V6 3.5L?
Yes, the Autolite AP5405 fits the 2006-2010 Dodge Charger V6 3.5L, six per engine. If your car is a different one, look it up in the “Vehicles it fits” section on this page.
Does the Autolite AP5405 come pre-gapped and with its washer?
Yes. This Autolite AP5405 includes a crush washer and comes pre-gapped at 0.05 in (1.3 mm).
Is the AP5405 one of the Autolite copper spark plugs?
No. The AP5405 is a platinum plug: its center electrode has a platinum firing tip and a copper core, and the ground electrode is nickel.
What heat range and thread size does this plug have?
This plug has a manufacturer heat range of 9, an M14 - 1.25 metric thread, a 5/8 in hex and a flat seat with a crush washer.
What does the multi-rib insulator on the Autolite AP5405 do?
The multi-rib insulator is designed to prevent flash-over. It is made of high alumina ceramic, which gives thermal conductivity and insulation strength.
