NGK 4867 spark plug for the 2000-2004 Toyota Tundra V8 4.7L and other vehicles fires the spark that ignites the air-fuel mixture in each cylinder. Among NGK spark plugs it belongs to the Laser Iridium line, built around a fine wire iridium alloy center electrode.
- Fine wire iridium alloy center electrode for consistent performance
- Iridium is six times as dense as platinum and has a very high melting point
- Platinum protection at the ground electrode for ignitability and service life
- Solid copper core, 98% pure, for heat dissipation and conductivity
- Trivalent metal plating that resists corrosion and seizing for easier installation and removal
Quick facts
- Part: NGK 4867 spark plug
- Fits: 2000-2004 Toyota Tundra V8 4.7L and other vehicles
- Condition: New
A worn plug can show up as a misfire, hard starting or a rough idle. Ignition coils, a vacuum leak or a clogged fuel injector can be behind the same signs, so find the cause before buying plugs. The engine takes one plug per cylinder, so order one for each cylinder.
Fits
This M14 plug also works as a spark plug for the 2001-2004 Toyota Sequoia V8 4.7L and the 2006-2012 Mitsubishi Eclipse V6 3.8L. If your car is not named here, open the "Vehicles it fits" section and check your exact model and engine.
Specifications
Fit and size
- Quantity per vehicle: 8 on the V8-4.7L engines, 6 on the V6-3.8L engines
- Thread size: M14 - 1.25
- Hex size: 5/8 in (16 mm)
- Reach: 0.750 in (19.0 mm)
- Gap: 0.032 in (0.8 mm)
Build and materials
- Type: Laser Iridium, fine wire
- Center electrode: iridium alloy
- Ground electrode: platinum tip
- Core: 98% pure copper
- Insulator: pure alumina ceramic
- Plating: trivalent metal
- NGK part number: IFR6B-K
- Condition: New
Interchange: IFR6B-K
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
Are these Toyota Tundra spark plugs right for 2000-2004 models with the V8 4.7L?
Yes. NGK 4867 fits the 2000-2004 Toyota Tundra V8 4.7L, which takes eight plugs. For another car, open the "Vehicles it fits" section to check the model and engine.
What is the gap on these NGK iridium spark plugs?
The NGK 4867 gap is 0.032 in (0.8 mm). The thread is M14 - 1.25 and the hex is 5/8 in (16 mm).
Does the NGK 4867 have a platinum ground electrode?
Yes. The ground electrode has a platinum tip, and the center electrode is a fine wire iridium alloy with a solid copper core.
Can a misfire or hard start mean the iridium plugs are worn?
Yes, a misfire, hard starting or a rough idle can mean worn plugs, though a fault elsewhere in the ignition or fuel system can look similar. A shop can test the ignition system to tell.
Is NGK IFR6B-K the same plug as the NGK 4867?
Yes. NGK lists this spark plug under stock number 4867 and under part number IFR6B-K, so you can search or order by either number.
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