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1993-2009 JEEP GRAND CHEROKEE SPARK PLUG (E3 DIAMONDFIRE AUTOMOTIVE SPARK PLUGS)

Product #: 19573G Brand: E3 See Product Details
3.8 out of 5 stars 66 Customer reviews Write a review
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Automotive Spark Plug

SKU #:JCW-526360 Mfr #: E3.48
  • Reach: 19 mm
  • Electrode Core Material: Copper
  • Electrode Tip Material: Nickel alloy
  • Gap Size: 1.016 mm
  • Plug Type: Resistor
  • Product Class: Fuel Saver
  • Product Fit: Direct Fit
  • E3 Diamond Fire Series
  • Thread Size: 14 mm
  • Warranty: 5-year or 100,000-mile E3 limited warranty
See more
Submodel Engine Fitnote
Base 8 Cyl 5.2L Fits all 1993 Jeep Grand Cherokee Base 8 Cyl 5.2L
Laredo 8 Cyl 5.2L Fits all 1993-1998 Jeep Grand Cherokee Laredo 8 Cyl 5.2L
Limited 8 Cyl 5.2L Fits all 1993-1998 Jeep Grand Cherokee Limited 8 Cyl 5.2L
SE 8 Cyl 5.2L Fits all 1994-1995 Jeep Grand Cherokee SE 8 Cyl 5.2L
Orvis 8 Cyl 5.2L Fits all 1995 1997 Jeep Grand Cherokee Orvis 8 Cyl 5.2L
TSi 8 Cyl 5.2L Fits all 1997-1998 Jeep Grand Cherokee TSi 8 Cyl 5.2L
5.9 Limited 8 Cyl 5.9L Fits all 1998 Jeep Grand Cherokee 5.9 Limited 8 Cyl 5.9L
Laredo 8 Cyl 4.7L Fits all 1999-2001 2005-2007 Jeep Grand Cherokee Laredo 8 Cyl 4.7L
Limited 8 Cyl 4.7L Fits all 1999-2001 2005-2007 Jeep Grand Cherokee Limited 8 Cyl 4.7L
Sport 8 Cyl 4.7L Fits all 2002 Jeep Grand Cherokee Sport 8 Cyl 4.7L
Laredo 8 Cyl 4.7L Fits all 2002-2004 Jeep Grand Cherokee Laredo 8 Cyl 4.7L
Limited 8 Cyl 4.7L Fits all 2002-2004 Jeep Grand Cherokee Limited 8 Cyl 4.7L
Special Edition 8 Cyl 4.7L Fits all 2004 Jeep Grand Cherokee Special Edition 8 Cyl 4.7L
Laredo 6 Cyl 3.7L Fits all 2005-2010 Jeep Grand Cherokee Laredo 6 Cyl 3.7L
65th Anniversary Edition 6 Cyl 3.7L Fits all 2006 Jeep Grand Cherokee 65th Anniversary Edition 6 Cyl 3.7L
65th Anniversary Edition 8 Cyl 4.7L Fits all 2006 Jeep Grand Cherokee 65th Anniversary Edition 8 Cyl 4.7L
Limited 6 Cyl 3.7L Fits all 2010 Jeep Grand Cherokee Limited 6 Cyl 3.7L
North Edition 6 Cyl 3.7L Fits all 2010 Jeep Grand Cherokee North Edition 6 Cyl 3.7L
S Limited 6 Cyl 3.7L Fits all 2010 Jeep Grand Cherokee S Limited 6 Cyl 3.7L
See Fitment Details for Base, Laredo, Limited and 16 others
$5.95
per sold individually
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Ships Same day - 1 business day
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Automotive Spark Plug

SKU #:JCW-329967 Mfr #: E3.66
  • Reach: 25.4 mm
  • Electrode Core Material: Copper
  • Electrode Tip Material: Nickel alloy
  • Gap Size: 1.016 mm
  • Plug Type: Resistor
  • Product Class: Fuel Saver
  • Product Fit: Direct Fit
  • E3 Diamond Fire Series
  • Thread Size: 14 mm
  • Warranty: 5-year or 100,000-mile E3 limited warranty
See more
Submodel Engine Fitnote
Limited 8 Cyl 5.7L Fits all 2005-2008 Jeep Grand Cherokee Limited 8 Cyl 5.7L
Overland 8 Cyl 5.7L Fits all 2006-2008 Jeep Grand Cherokee Overland 8 Cyl 5.7L
SRT8 8 Cyl 6.1L Fits all 2006-2010 Jeep Grand Cherokee SRT8 8 Cyl 6.1L
See Fitment Details for Limited, Overland, and Overland
$5.95
per sold individually
Free Shipping
Ships 1-2 Business Days
ADD TO CART

Automotive Spark Plug

SKU #:JCW-329966 Mfr #: E3.64
  • Reach: 19 mm
  • Electrode Core Material: Copper
  • Electrode Tip Material: Nickel alloy
  • Gap Size: 1.016 mm
  • Plug Type: Resistor
  • Product Class: Fuel Saver
  • Product Fit: Direct Fit
  • E3 Diamond Fire Series
  • Thread Size: 14 mm
  • Warranty: 5-year or 100,000-mile E3 limited warranty
See more
Submodel Engine Fitnote
Limited 8 Cyl 4.7L Fits all 2002-2004 Jeep Grand Cherokee Limited 8 Cyl 4.7L
Overland 8 Cyl 4.7L Fits all 2002-2004 Jeep Grand Cherokee Overland 8 Cyl 4.7L
Laredo 8 Cyl 4.7L Fits all 2004 Jeep Grand Cherokee Laredo 8 Cyl 4.7L
See Fitment Details for Limited, Overland, and Overland
$7.50
per sold individually
Free Shipping
Ships Same day - 1 business day
ADD TO CART

Automotive Spark Plug

SKU #:JCW-329968 Mfr #: E3.68
  • Reach: 25.4 mm
  • Electrode Core Material: Copper
  • Electrode Tip Material: Nickel alloy
  • Gap Size: 1.016 mm
  • Plug Type: Resistor
  • Product Class: Fuel Saver
  • Product Fit: Direct Fit
  • E3 Diamond Fire Series
  • Thread Size: 14 mm
  • Warranty: 5-year or 100,000-mile E3 limited warranty
See more
Submodel Engine Fitnote
Limited 8 Cyl 5.7L Requires 2 plugs per cylinder
With HEMI Engine
Overland 8 Cyl 5.7L Requires 2 plugs per cylinder
With HEMI Engine
North Edition 8 Cyl 5.7L Requires 2 plugs per cylinder
With HEMI Engine
S Limited 8 Cyl 5.7L Requires 2 plugs per cylinder
With HEMI Engine
Laredo 8 Cyl 5.7L Requires 2 plugs per cylinder
With HEMI Engine
Laredo X 8 Cyl 5.7L Requires 2 plugs per cylinder
With HEMI Engine
Laredo 8 Cyl 5.7L Requires 2 plugs per cylinder
With HEMI Engine
Limited 8 Cyl 5.7L Requires 2 plugs per cylinder
With HEMI Engine
Overland Summit 8 Cyl 5.7L Requires 2 plugs per cylinder
With HEMI Engine
Overland 8 Cyl 5.7L Requires 2 plugs per cylinder
With HEMI Engine
Laredo X 8 Cyl 5.7L Requires 2 plugs per cylinder
With HEMI Engine
See Fitment Details for Limited, Overland, North Edition and 8 others
$6.53
per sold individually
Free Shipping
Ships 1-2 Business Days
ADD TO CART

Automotive Spark Plug

SKU #:JCW-526364 Mfr #: E3.58
  • Reach: 19 mm
  • Electrode Core Material: Copper
  • Electrode Tip Material: Nickel alloy
  • Gap Size: 1.016 mm
  • Plug Type: Resistor
  • Product Class: Fuel Saver
  • Product Fit: Direct Fit
  • E3 Diamond Fire Series
  • Thread Size: 14 mm
  • Warranty: 5-year or 100,000-mile E3 limited warranty
See more
Submodel Engine Fitnote
Base 6 Cyl 4.0L Fits all 1993 Jeep Grand Cherokee Base 6 Cyl 4.0L
Laredo 6 Cyl 4.0L Fits all 1993-2004 Jeep Grand Cherokee Laredo 6 Cyl 4.0L
Limited 6 Cyl 4.0L Fits all 1993-2004 Jeep Grand Cherokee Limited 6 Cyl 4.0L
SE 6 Cyl 4.0L Fits all 1994-1995 Jeep Grand Cherokee SE 6 Cyl 4.0L
Orvis 6 Cyl 4.0L Fits all 1995 1997 Jeep Grand Cherokee Orvis 6 Cyl 4.0L
TSi 6 Cyl 4.0L Fits all 1997-1998 Jeep Grand Cherokee TSi 6 Cyl 4.0L
Sport 6 Cyl 4.0L Fits all 2002 Jeep Grand Cherokee Sport 6 Cyl 4.0L
Special Edition 6 Cyl 4.0L Fits all 2004 Jeep Grand Cherokee Special Edition 6 Cyl 4.0L
See Fitment Details for Base, Laredo, Limited and 5 others
$5.95
per sold individually
Free Shipping
Ships Same day - 1 business day
ADD TO CART

People Who Viewed this Ultimately Purchased

Customer Reviews

Overall Rating
3.8 out of 5
3.8 out of 5
Open Ratings Snapshot
Rating breakdown 66 reviews
5 Stars
34
4 Stars
12
3 Stars
4
2 Stars
2
1 Star
14
Ease of Use/Installation
4.7 out of 5
4.7 out of 5
Quality/Construction
4.9 out of 5
4.9 out of 5
49 of 66(74%)reviewers would recommend this product to a friend.
Product ReviewsWrite a review
Overall Rating
5 out of 5
5 out of 5
Good Plugs
November 29, 2011
Matt
Location: Seagrove, NC
How often do you shop at JC Whitney.com? First Time
" Put these plugs in my 2000 silverado 2500 and what can I say they work great!!!! I can tell a great diffrence in the running and power of my truck. Your next set of plugs you need to go with these!!! "
+9points
15out of 21found this review helpful.
Was this helpful?helpful15unhelpful6
Overall Rating
5 out of 5
5 out of 5
Forgot I used them...
May 11, 2015
looncraz
Location: Earth, Sol System, Milky Way
Ease of Use/Installation
5 out of 5
5 out of 5
Quality/Construction
5 out of 5
5 out of 5
" Okay, first - this is an HONEST review. I'm not a shill or anything.
My Volvo 850 has a long history of misfiring and fouling plugs, no matter the plugs I use (including Volvo original). Everything else has been tested and everything kept coming down to spark plugs - I'd replace a set, and have no problems for 10-15,000 miles. So I tried TONS of plugs. Moving to a colder plug helped a great deal, and I ran NGK-Rs for a few years.
Well, I went to replace the plugs while I was on vacation because they started to act up - as usual - but OReilly's didn't have them, so I got the E3s on an impulse buy since everything else failed. Installed them, all seemed normal, forgot about them entirely (I had a vacation to enjoy!).
So, for the last 50,000 miles, and two and a half years, I haven't replaced spark plugs - and haven't had any problems. I thought I was running the NGK-Rs and went to order some more, but couldn't remember the darn model, so I pulled a plug to check it out - BAM! E3.48... huh? How? OH! Oh, wow... I guess they worked, LOL!
That was basically a blind test! I've run these, as I said, for 50,000 miles (same (silicone) wires, cap, & rotor the whole time)... with nary a hitch. I drove them across the country four or five times (and back), in all manner of conditions. I sure thought those colder NGKs were finally doing the trick, LOL!
Yup, I'm buying more. Hope the next set runs as well as this set (I'm going to keep these old ones on hand - they're still in great shape).
Also, an important note, the gap is quite large and can't be adjusted and I run an MSD blaster2 coil, if your ignition system is weak and the gap isn't right, or your computer is overly picky, these may be a horrible fit for you.
The stock gap for my car is 0.028, and I think these are around 0.04... so quite a significant difference (but that gap may be the secret as to why they work so well for me...).
Also, aside from running well, I've seen no improvements in power or fuel economy. But, most importantly, they haven't hurt anything and they have done what no other plug has ever done - they worked! "
0points
0out of 0found this review helpful.
Was this helpful?helpful0unhelpful0
Overall Rating
4 out of 5
4 out of 5
Perfect!
April 6, 2015
Dariel
Location: Fresno, CA, USA
How often do you shop at JC Whitney.com? Multiple Times a Year
Ease of Use/Installation
5 out of 5
5 out of 5
Quality/Construction
4 out of 5
4 out of 5
" So far so good... perfect fit for my Honda Civic 2007 "
0points
0out of 0found this review helpful.
Was this helpful?helpful0unhelpful0
Overall Rating
5 out of 5
5 out of 5
great product
February 22, 2015
gjackson
Ease of Use/Installation
5 out of 5
5 out of 5
Quality/Construction
5 out of 5
5 out of 5
" have been using these plugs for years in all of my non-overhead cammed engine, they just dont seem to agree with the overhead engines but are excellent in anything else. always have saw slight fuel milage gains and noticable throttle responce. i do think that its odd that the plugs are different prices on this site for different part numbers, whereas on other sights, every plug is the exact same price ($5.99) "
0points
0out of 0found this review helpful.
Was this helpful?helpful0unhelpful0
  • 2015-05-30T13:12:40.513-05:00
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