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Based on manufacturer’s specs, this part is an exact fit for: 2007 Subaru Outback To display products for a different vehicle, click here.
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Bosch4418 Platinum+4 Spark Plug - Direct fit

Part #: BS4418 | Mfr #: 4418

In Stock
Ships out in 1-2 business days
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4 4 out of 5 stars
(4 customer reviews)

$6.51

List Price: $7.68

Save: $1.17

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  • Overview
  • Manufacturer info
  • Related Products
  • Series: Bosch Platinum+4
  • Product Fit: Direct fit
  • Quantity Sold: Sold individually
  • Electrode Core Material: Platinum
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 business days
  • Electrode Tip Material: Platinum
  • Reach: 19 mm
  • Thread Size: 14 mm
  • Warranty: 12-month or 12,000-mile Bosch limited warranty
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Product reviews

Great Spark Plug by , May 19, 2014

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Put these in my 96 Saturn SL2 over 7-8 years ago and by far these are the best plugs I have ever bought. Went and bought the best that O reilly s had which were NGK top of the line and no comparison. I m looking for 4 more Bosch Platinum +4 as we speak.In fact even though the plugs look very worn down I might install them back in until i get the new set in and return the NGK s


by , January 13, 2014

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Got these to replace the plugs on a used car I bought. Very happy with them.


Performance improvement by BMW fanatic, December 19, 2013

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I notice more acceleration & power right away! Quicker throttle response too!


Very dissapointed! by Keldawwg, September 8, 2011

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Replacing plugs in my 400 E is something I don't look forward to, so I wanted to get really good plugs. These plugs did not fill that bill in the slightest. I put them in, and a couple of months later my wife reported that the car was not running great. I started looking for a problem, and went through the whole car. I actually replaced the throttle body, since everything else was new. (over $1000 part) It still ran poorly, stumbling at several rpm ranges. I finally pulled a plug, and it looked horrible! All of the ground electrodes were badly eroded. I put in a set of NGK Platinums, and it runs like a new car... I will never buy Bosch Platinum +4's again! Very expensive junk!