NGK® 6684 Spark Plug
Manufacturer #6684
NGK® 6684 Spark Plug
Manufacturer #6684
$17.64
$20.75
Save $3.11 (15%)
Only 9 left in stock – order soon
Get it between Thu, Aug 28 - Mon, Sep 01, 2025
This part does not fit your selected vehicle 2008 Cadillac Escalade ESV
Change vehicle | View Correct PartFree & Fast Shipping
We ship fast so you can get on the road that much faster100% Safety
Only secure paymentsSKU | NG6684 |
---|---|
Brand | NGK® |
Part Name | Spark Plug |
Part | # 6684 |
Quantity Per Vehicle | 1 |
Pack of | 1 |
Condition | New |
-
Ferrari
-
Maserati
-
Porsche
- SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
- RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
- TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
- NGK Iridium IX Spark Plug
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
Part Number | Bpr8eix |
---|---|
Stock Number | 6684 |
Short Style Spark Plug | No |
Service Number | Bpr8eix |
Resistance (82) | 5000.0 |
Ground Electrode Tip Design | Taper cut |
Ground Configuration | J-gap |
Ground Electrode Core Material | Nickel |
Washer Included | Yes |
Grade Type | Performance |
Electrical Terminal Type | Removable nut |
Center Electrode Core Material | Copper |
Center Electrode Tip Material | Iridium |
Pre-Gap Size (IN) | .032 |
Pre-Gap Size (MM) | 0.8 |
Ground Electrode Quantity | 1 |
Hex Size | 13/16' |
Insulator Height (IN) | 2.20 |
Insulator Height (MM) | 56.0 |
Manufacturer Heat Range | 8 |
Seat Type | Flat |
Reach (IN) | 0.750 |
Reach (MM) | 19.0 |
Thread Diameter (IN) | 0.551 |
Thread Diameter (MM) | 14.0 |
Insulator Material | Ceramic |
Resistor Type | Yes |
Skirt Length (IN) | 0.0 |
Skirt Length (MM) | 0.0 |
Ground Electrode Tip Material | Nickel |
Skirt | No |
Center Electrode Insulator Tip Projection (IN) | 0.12 |
Center Electrode Insulator Tip Projection (MM) | 3.0 |
Center Electrode Design | Fine wire |
Washer Type | Crush |
Center Electrode Projection | Mid projection |
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund.
Warranty Policy
Right parts, guaranteed. If you find any defects, simply notify us within the warranty period, and we’ll take care of it. Check out our Warranty Policy for more details.
Explore To More Items
for your 2008 Cadillac Escalade ESV, Spark PlugSimilar Products
Recently Viewed
Global Air...®
$191.61
$208.27
Save $16.66 (8%)
Get it by Thu, Aug 28 - Mon, Sep 01, 2025
Dorman®
$20.76
$24.42
Save $3.66 (15%)
Get it by Thu, Aug 28 - Mon, Sep 01, 2025
KYB®
$70.93
$78.81
Save $7.88 (10%)
Get it by Thu, Aug 28 - Mon, Sep 01, 2025
KYB®
Suspension Shock Absorber Mount
$53.86
$59.84
Save $5.98 (10%)
Get it by Thu, Aug 28 - Mon, Sep 01, 2025
Anchor®
Drive Shaft Center Support Bearing
$61.80
$68.67
Save $6.87 (10%)
Get it by Thu, Aug 28 - Mon, Sep 01, 2025