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BOSCH 7921
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$1.10
Price
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$0.00
Core
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+ Sold in packs of 1x1
Pack
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$1.10
Total
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[ Wholesaler Closeout -- 30 Day Warranty] (Only 1 Remaining) |
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| BOSCH 7921 Specifications |
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| Center Electrode Core Material | Nickel-Yttrium and Copper | | Center Electrode Tip Material | Nickel-Yttrium | | Gap Size | 2 mm | | Ground Configuration | Standard | | Ground Electrode Core Material | N/A | | Ground Electrode Quantity | 1 | | Ground Electrode Tip Design | Tapered v-profile | | Ground Electrode Tip Material | Nickel-Chromium | | Hex Size | 21 | | Insulator Material | Ceramic | | Manufacturer Heat Range | 10 | | Reach | 9.5 mm | | Resistance | 6000 | | Seat Type | Flat | | Short Style | No | | Thread Diameter | 14 MM |
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| Nickel; Pre-Set Gap: 0.079" |
Bosch conventional Nickel-Copper Spark Plugs are designed to deliver performance and value. Heavy-duty yttrium-enhanced nickel center electrode with copper core provides a longer lasting copper core spark plug. Engineered to meet or exceed Original Equipment specifications for nickel-copper core spark plugs.
Features & Benefits:- Heavy-duty yttrium enhanced nickel-copper center electrode ensures superior reliability and durability for up to 50% longer performance life vs. standard copper plugs
- Copper core provides broader heat range to resist pre-ignition and fouling
- Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize - saving time
- Angled, ribbed insulator design prevents misfire due to flash-over
- Metal glass fused resistor maximizes interference suppression
 Which BOSCH Spark Plug Is Right For You?
| Material / Series |
Lifespan / Durability |
Performance / Ignitability |
Efficiency / Fuel Economy |
Copper / Nickel
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★★ |
★ |
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Platinum
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★★★★ |
★★★★ |
★★ |
Double Platinum
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★★★★★ |
★★★ |
★★ |
Iridium
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★★★★★★ |
★★★★★ |
★★★ |
Double Iridium
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★★★★★★★ |
★★★★★ |
★★★ |
Double Iridium Pin-to-Pin
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★★★★★★★ |
★★★★ |
★★★ |
 Additional Resources
Diagram of Proper Torquing
Spark Plug Condition Identification
Spark Plug Gap Illustrations
Spark Plug Temperature Curves-Heat Range
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| OEM / Interchange Numbers: 7521 |
Closeout Inventory Warranty Information:Wholesaler Closeout items have a 30 day warranty (but still are covered by our Return Policy).Regular Inventory Warranty Information:12 Months Satisfaction Guarantee for Double Iridium, Double Platinum, and Platinum Spark Plugs OnlyWarranty Details |
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