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25% Off All Online Orders of Select Parts and Accessories
Receive 25% Off Your Online Purchase. Use promotional code 25PEP at checkout to receive discount. Not valid in combination with any other discounts or promotions. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Excludes the following categories: Tires, Wheels, Batteries, Powerstop Brake Kits, Oil, Antifreeze, Refrigerant, Truck Boxes, Vent Visors, Bug Shields and BRANDS: Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Thule, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, JVC, MSD and BBK Performance. Valid online until 2:59 am EST on 12/12/16. Online orders scheduled for in-store pick up must be completed by closing on 12/11/16 for discount to apply.

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  • Part #: 4419|
  • SKU: 8809773

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    • Revolutionary surface air gap firing technology featuring multiple spark paths that delivers the longest, most powerful spark for ultimate engine performance
    • More platinum vs. Bosch Platinum plus for smoother acceleration, top fuel economy and maximum engine power
Retail
$5.79
PayPal available for online purchases. Major credit cards accepted online and in store. Pay online, in-store or take advantage of our Pep Boys credit card. Learn more and see additional details in cart.

Bosch Platinum +4 Spark Plug

If you require the best in platinum performance over the longest service life, Platinum+4 is the spark plug for you. Platinum+4's unique revolutionary firing technology combines the advantages of surface air gap technology, four yttrium-enhanced ground electrodes, and a heat-fused center electrode with the most platinum, creating the most powerful spark you can buy.
  • Revolutionary surface air gap firing technology featuring multiple spark paths that delivers the longest, most powerful spark for ultimate engine performance
  • More platinum vs. Bosch Platinum plus for smoother acceleration, top fuel economy and maximum engine power
  • Four yttrium enhanced ground electrodes provides optimum access to the air/fuel mixture for the most efficient combustion, plus the yttrium alloy ground electrodes reduce gap wear and oxidation for extended performance life
The Bosch Group is a leading global supplier of automotive and industrial technology, consumer goods and building technology. As one of the leading automotive suppliers in North America, the Automotive Technology business has approximately 30 primary locations and is Bosch's largest business sector in North America.

Resistor
Yes
Spark Plug Wire Electrode Core Material
Platinum
Side Electrode Tip Material
Nickel-Yttrium
Spark Plug Insulator Type
Pyranit
Short Style Spark Plug
No
Spark Plug Reach (In)
0.6909
Spark Plug Drive Size
5/8 in
Spark Plug Thread Size (mm)
14
Center Electrode Tip Material
Platinum
Spark Plug Seat Style
Gasket

8809773

Rated 4.5 out of 5 by 26 reviewers.
Rated 1 out of 5 by This product does not fit my 2010 Mazda 5 This product did not fit my 2010 Mazda 5 with the 2.3L engine. The thread reach was not long enough. The reach should be .98 inches. Looks like it was well made but the threads were too short. July 3, 2015
Rated 5 out of 5 by Great improvement! Increase in power and overall performance! Worth the extra pennies! January 13, 2015
Rated 5 out of 5 by Awesome for BMW E36s The plugs are perfect for my 1994 BMW 325is! December 26, 2014
Rated 5 out of 5 by Excellent product. I highly recommend it to all of you. Excellent product that provided superior high performance. December 2, 2014
Rated 5 out of 5 by Great Experience ! Excellent business. Great Spark Plugs. Will buy from again and again!! November 10, 2014
Rated 5 out of 5 by Installed on a 99 Saturn works great. Car seems to run better with these plugs. Also don't have to set gap. October 18, 2014
Rated 5 out of 5 by multiple tip heads work better truck runs like a champ! August 24, 2014
Rated 5 out of 5 by This product was perfect for my project Great price! Great product! Pepboys always there to help me. July 8, 2014
Rated 5 out of 5 by Quality Product Bought these to install in my 1991 Chevy Caprice. It had been about 5 years since I last changed the plugs on the car. I changed these out along with the spark plug wires. Simple to install. It's been about 2 months since installing them and I can already see the savings in the gas mileage! Will definitely purchase again for my other vehicles. Plus I was able to get the extra 20% off deal that Pep Boys is offering on them when I purchased them! April 19, 2014
Rated 5 out of 5 by Power I use these because power wise they are the only ones I notice an increased difference with when I drag race at Englishtown NJ and in my regular cars, they look kind of ridiculous, I've tried them against E3's and all the others, My gas mileage does seem to go down a hair but maybe that's just my aggressive foot, they don't crack apart like some plugs will over time and high RPM's if you want gas mileage go with Autolite Double platniums they are the best for that March 10, 2014
Rated 5 out of 5 by Great Spark Plug! I have been buying these spark plugs for my Chevy's since they first came out. I will never buy anything else. 5 Star and I would recommend these to anyone with a Chevy. Not sure how they do in other makes. February 1, 2014
Rated 5 out of 5 by Easy to install, works like a charm, no gapping required! Overall great sparkplugs. Replaced my previous set of Bosch platinum plugs which worked well and lasted. Easy to install and no gapping required. November 30, 2013
Rated 5 out of 5 by Quality product I am happy I was able to install the Bosch platinum spark plug in my car. The car runs smoother now. It was a great deal from Pep Boys at the right price. January 12, 2014
Rated 5 out of 5 by Excellent Spark Plugs 4 Great Price! Since I installed these Sparks Plugs My Bimer star easily in the morning. No more misfires and fuel efficiency has improved in 10% better performance. They are Awesome! I cant wait to get my rebate on the mail. October 16, 2013
Rated 1 out of 5 by Didn't Perform Well In My Car These Bosch spark plugs didn't perform good in my 1998 Honda Civic. I will return them back to Pep Boys for a refund. August 30, 2013
Rated 5 out of 5 by Great price and increased power and fuel economy Bought these and went 4000 mile round trip to Nebraska and back increased power and increased mileage by almost 5 miles a gallon average both city and highway will use them again in my other cars./ July 9, 2013
Rated 5 out of 5 by Bosch platinum +4 Bosch is a solid spark plug all around. I installed them on a 07 Honda Odyssey and after only a week the gas mileage increased by 10% as well as greater acceleration and smoother idle. I highly recommend it since they are found on most high end German automobiles. I know I'll be fine for another 100k miles. June 20, 2013
Rated 5 out of 5 by Fixed my issues.. They work as claimed. And fixed the issues I was having because of my old plugs. April 18, 2013
  • 2016-12-07 T09:14:52.965-06:00
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