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BOSCH 4209
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$0.83
Price
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$0.00
Core
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+ Sold in packs of 1x1
Pack
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$0.83
Total
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[ Wholesaler Closeout -- 30 Day Warranty] (Only 2 Remaining) |
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Platinum core technology provides quicker starts, smoother acceleration, and improved fuel efficiency.
Features & Benefits:
- Platinum center electrode, heat-fused into an extended insulator Reaches self-cleaning temperature only seconds after starting
- Tapered, yttrium-enhanced v-profile ground electrode Extends service life by 25% vs. original Bosch Platinum, reduces electrode temperature, and improves access to air/fuel mixture
- Nickel-plated rolled threads For complete anti-seize and corrosion protection
- Lower ignition voltage requirements vs. other plug designs for reliable cold weather starts and superior operation under all driving conditions
 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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★★★★★★★ |
★★★★ |
★★★ |
Bosch OE-Fine Wire Performance Guarantee
Bosch guarantees you will feel improved performance in your vehicle when using any of Bosch OE Fine Wire Spark Plugs (Double Iridium, Double Iridium Pin-to-Pin, Double Platinum and Platinum). However, if you do not experience quicker starts, smoother acceleration and improved fuel efficiency, you can return the plugs with a dated sales receipt and Bosch will refund the purchase price of the spark plugs.
| PLATINUM |
Offer extends for four (4) years or for the manufacturer’s recommended spark plug change interval as indicated in the owner’s manual -- whichever occurs first.
Learn More | 4 YEAR
PERFORMANCE
GUARANTEE |
 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: AP666 |
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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