NGK Spark Plug P/N:YR5GP
NGK IZTR5B11 spark plug for the 2000-2009 Chevrolet Tahoe V8 4.8L, the 2000-2014 Tahoe V8 5.3L, the 2008-2009 Tahoe V8 6.2L, the 2008-2013 Tahoe V8 6.0L and other vehicles fires the spark that ignites the air-fuel mixture in one cylinder. Among NGK spark plugs, it is a Laser Iridium design, and the V8 engines listed take eight, one per cylinder.
Hard starting, a rough idle or a misfire can mean the plugs are worn, but an ignition coil or a fuel injector can also be behind them, so trace the cause before you replace plugs.
This plug is listed for a wide range of Chevrolet, GMC and Cadillac models. Besides the Tahoe, it is one of the spark plugs listed for the 1999-2013 Chevrolet Silverado 1500 V8 4.8L or 5.3L, the 2003-2013 Silverado 1500 V8 6.0L, the 2009-2013 Silverado 1500 V8 6.2L and the 2009-2012 Chevrolet Colorado V8 5.3L. If your vehicle is not named here, look it up on the Buyer's Guide tab.
Fit and size
Build and materials
Interchange: 1465
This part cross-references / interchanges with the following part numbers:
Is this the right Chevy Tahoe spark plug for a 2000-2014 Tahoe V8 5.3L?
Yes. NGK IZTR5B11 is listed for the 2000-2014 Chevrolet Tahoe V8 5.3L, which takes eight, one per cylinder. For another vehicle, look it up on the Buyer's Guide tab.
Is this the Chevy Colorado spark plug for a 2009-2012 Colorado V8 5.3L?
Yes. The 2009-2012 Chevrolet Colorado V8 5.3L is on the fitment list for this plug, and each of its eight cylinders takes one.
What is the center electrode on NGK iridium spark plugs like the IZTR5B11?
The NGK IZTR5B11 has a fine wire iridium alloy center electrode. Iridium's density is 6x that of platinum, and its melting point is extremely high.
What is the core of this spark plug made of?
The core is solid 98% pure copper, and the plug uses high-grade pure alumina ceramic. Together they help prevent overheating and support reliable starts.
What thread size does the NGK IZTR5B11 have?
The NGK IZTR5B11 has an M14 - 1.25 thread.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.