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1989-2000 GMC K3500 SPARK PLUG (E3 DIAMONDFIRE AUTOMOTIVE SPARK PLUGS)

Product #: 19573G Brand: E3 See Product Details
3.7 out of 5 stars 65 Customer reviews Write a review
Note: Product images may differ from actual product appearance.
Priced from: $5.95 - $7.54 Custom Fit
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Priced from: $5.95 - $7.54 Custom Fit

Automotive Spark Plug

SKU #:JCW-526366 Mfr #: E3.62
  • Gap Size: 1.5 mm
  • Reach: 18 mm
  • Electrode Core Material: Copper
  • Electrode Tip Material: Nickel alloy
  • 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
Sierra SL 8 Cyl 5.7L Fits all 1996-2000 GMC K3500 Sierra SL 8 Cyl 5.7L
Sierra SL 8 Cyl 7.4L Fits all 1996-2000 GMC K3500 Sierra SL 8 Cyl 7.4L
Sierra SLE 8 Cyl 5.7L Fits all 1996-2000 GMC K3500 Sierra SLE 8 Cyl 5.7L
Sierra SLE 8 Cyl 7.4L Fits all 1996-2000 GMC K3500 Sierra SLE 8 Cyl 7.4L
Sierra SLT 8 Cyl 5.7L Fits all 1996-2000 GMC K3500 Sierra SLT 8 Cyl 5.7L
Sierra SLT 8 Cyl 7.4L Fits all 1996-2000 GMC K3500 Sierra SLT 8 Cyl 7.4L
See Fitment Details for Sierra SL, Sierra SL, Sierra SLE and 3 others
$5.95
per sold individually
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Automotive Spark Plug

SKU #:JCW-526357 Mfr #: E3.42
  • Gap Size: 1.016 mm
  • Reach: 11.6 mm
  • Electrode Core Material: Copper
  • Electrode Tip Material: Nickel alloy
  • 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 6.6L Light Duty
Base 8 Cyl 7.4L Light Duty
High Sierra 8 Cyl 6.6L Light Duty
High Sierra 8 Cyl 7.4L Light Duty
Sierra Classic 8 Cyl 6.6L Light Duty
Sierra Classic 8 Cyl 7.4L Light Duty
Sierra Grande 8 Cyl 6.6L Light Duty
Sierra Grande 8 Cyl 7.4L Light Duty
Sierra Grande 8 Cyl 5.7L Light Duty
Base 8 Cyl 5.7L Light Duty
High Sierra 8 Cyl 5.7L Light Duty
Sierra Classic 8 Cyl 5.7L Light Duty
Sierra SLX 8 Cyl 5.7L Light Duty
Sierra SLX 8 Cyl 7.4L Light Duty
Sierra 8 Cyl 5.7L Light Duty
Sierra 8 Cyl 7.4L Light Duty
Sierra SLE 8 Cyl 5.7L Light Duty
Sierra SLE 8 Cyl 7.4L Light Duty
Sierra SL 8 Cyl 5.7L Light Duty
Sierra SL 8 Cyl 7.4L Light Duty
Sierra SLT 8 Cyl 5.7L Light Duty
Sierra SLT 8 Cyl 7.4L Light Duty
See Fitment Details for Base, Base, High Sierra and 19 others
$7.54
per sold individually
Free Shipping
Ships Same day - 1 business day
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Product Details

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Customer Reviews

Overall Rating
3.7 out of 5
3.7 out of 5
Open Ratings Snapshot
Rating breakdown 65 reviews
5 Stars
33
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
4.8 out of 5
4.8 out of 5
48 of 65(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
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
Overall Rating
5 out of 5
5 out of 5
Very good plugs
January 13, 2015
Mick1J
Location: Central, Minneapolis, MN, 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
5 out of 5
5 out of 5
" I like the design and results from Diamond Fire plugs. Pre set gap and great design make them good purchase. Improved performance and smooth running engine was exactly what I was looking for. The plugs did both. "
0points
0out of 0found this review helpful.
Was this helpful?helpful0unhelpful0
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