Are you looking for a new spark plug for your Generac generator but have no idea how to choose one? I have great news for you! Our team here at Generatorist has helped over 600,000 visitors find information about generators and we will help you as well.
Data for this page is based on official manuals from Generac. We will show you the type of spark plug for specific models of Generac portable generators, the gap size, alternatives, cross reference charts and links to manuals. We also provide references where you can verify this info for yourself.
Just click on your model to see the specifications and have a 5/8″ (16mm) or 13/16″ (21mm) socket & ratchet at hand.
Generac Portable Generators
Spark plug (info from the User’s Manual)
- Type – LD E6RTC (NHSP) or equivalent
- Official part number – 0K91470141
- Gap – 0.023″ – 0.027″ (0.6-0.7mm)
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/torch/E6RTC
Owner´s manual – https://www.generac.com
Official product page – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – BPR6ES (NGK) or equivalent
- Official part number – 0H8096
- Gap – 0.030″ (0.76mm)
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR6ES
Owner´s manual – https://www.generac.com/service-support/
Official product page – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – E6TC / E6RTC / BPR6HS (Brands not specified)
- Official part number – 0K95530157
- Gap – 0.024″-0.028″ (0.6-0.7mm)
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/torch/E6RTC
Owner´s manual – https://www.generac.com
Official product page – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – E6TC / E6RTC / BPR6HS (Brands not specified)
- Official part number – 0K95530157
- Gap – 0.024″-0.028″ (0.6-0.7mm)
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/torch/E6RTC
Owner´s manual – https://www.generac.com
Official product page – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – E6TC / E6RTC (Brands not specified)
- Official part number – 0K95530157
- Gap – 0.024″-0.028″ (0.6-0.7mm)
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/torch/E6RTC
Owner´s manual – https://www.generac.com
Official product page – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – F6TC (Torch) / BP6IS (NGK) / RN11YC (Champion) or equivalent
- Official part number – 0H33750169
- Gap – 0.030″ (0.76mm)
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/torch/F6TC
Owner´s manual – https://www.generac.com/service-support/
Official product page – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – F7TC (Brand not specified) or equivalent
- Official part number – 0K95530157
- Gap – 0.024″-0.028″ (0.6-0.7mm)
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/ld/F7TC
Owner´s manual – https://www.generac.com
Official product page – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – F6TC (Torch) / BP6IS (NGK) / RN11YC (Champion) or equivalent
- Official part number – 0H33750169
- Gap – 0.030″ (0.76mm)
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/torch/F6TC
Owner´s manual – https://www.generac.com
Official product page – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – F7TC / F7RTC / BPR6ES (Brands not specified)
- Official part number – 0J00620106
- Gap – 0.024″ – 0.028″
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/ld/F7TC
Owner´s manual – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – F7TC / F7RTC / BPR6ES (Brands not specified)
- Official part number – 0J00620106
- Gap – 0.024″ – 0.028″
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/ld/F7TC
Owner´s manual – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – F7TC (Brand not specified)
- Official part number – 0J00620106
- Gap – 0.030″
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/ld/F7TC
Owner´s manual – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – LD F7TC (NHSP) / N9YC (Champion) or equivalent
- Official part number – 0G84420101
- Gap – 0.028″−0.031″
- Socket size – 13/16″ (21mm)
Video – https://www.youtube.com/watch?v=WPKwE37gH2E
Alternatives – https://www.sparkplug-crossreference.com/convert/CHAMP_PN/N9YC
Owner´s manual – https://www.generac.com/service-support/
Spark plug (info from the User’s Manual)
- Type – Champion N9YC
- Official part number – 0J00620106
- Gap – 0.028″−0.031″
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/CHAMP_PN/N9YC
Owner´s manual – https://www.generac.com/service-support/
Spark plug (info from the User’s Manual)
- Type – LD F7TC (NHSP) / N9YC (Champion) or equivalent
- Official part number – 0G84420101
- Gap – 0.028″−0.031″
- Socket size – 13/16″ (21mm)
Video – https://www.youtube.com/watch?v=jM5lPnhE4FQ
Alternatives – https://www.sparkplug-crossreference.com/convert/CHAMP_PN/N9YC
Owner´s manual – https://www.generac.com/service-support/
Spark plug (info from the User’s Manual)
- Type – F7TC (Bosch) or equivalent
- Official part number – 0J00620106
- Gap – 0.028″−0.031″
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/ld/F7TC
Owner´s manual – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – RC12YC (Champion) or equivalent
- Official part number – 0G0767B
- Gap – 0.020″
- Socket size – 5/8″ (16mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/CHAMP_PN/RC12YC
Owner´s manual – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – RC12YC (Champion) or equivalent
- Official part number – 0G0767B
- Gap – 0.020″
- Socket size – 5/8″ (16mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/CHAMP_PN/RC12YC
Owner´s manual – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – N9YC (Champion) or equivalent
- Official part number – 0J00620106
- Gap – 0.028″−0.031″
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/CHAMP_PN/N9YC
Owner´s manual – https://www.manualslib.com
Spark plug (info from the User’s Manual)
- Type – F7TC (Bosch)
- Official part number – 0J00620106
- Gap – 0.028″−0.031″
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/torch/F7TC
Owner´s manual – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – RC12YC (Champion) or equivalent
- Official part number – 0G0767B
- Gap – 0.020″
- Socket size – 5/8″ (16mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/CHAMP_PN/RC12YC
Owner´s manual – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – RC14YC (Champion) or equivalent
- Official part number – 0E7585
- Gap – 0.030″
- Socket size – 5/8″ (16mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/CHAMP_PN/RC14YC
Owner´s manual – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – N9YC (Champion) or equivalent
- Official part number – 0J00620106
- Gap – 0.028″ – 0.031″
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/CHAMP_PN/N9YC
Owner´s manual – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – F7RTC (Brand not specified) or equivalent
- Official part number – 0K20670117
- Gap – 0.028″ – 0.031″
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/torch/F7RTC
Owner´s manual – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – F7RTC (Brand not specified) or equivalent
- Official part number – 0K20670117
- Gap – 0.028″ – 0.031″
- Socket size – 13/16″ (21mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/torch/F7RTC
Owner´s manual – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – RC14YC (Champion) or equivalent
- Official part number – 0E7585A
- Gap – 0.040″
- Socket size – 5/8″ (16mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/CHAMP_PN/RC14YC
Owner´s manual – https://www.generac.com
Spark plug (info from the User’s Manual)
- Type – RC14YC (Champion) or equivalent
- Official part number – 0E7585A
- Gap – 0.040″
- Socket size – 5/8″ (16mm)
Alternatives – https://www.sparkplug-crossreference.com/convert/CHAMP_PN/RC14YC
Owner´s manual – https://www.generac.com
Is your generator missing from the list?
Feel free to check out the Generac website in case you didn’t find your generator on this list.
Symptoms of a Bad Spark Plug
Are you thinking about replacing your current spark plug? There are some universal signs you need to look for:
- Your generator won’t start at all
- The generator needs repeated attempts to start properly
- The generator misfires
- Fuel consumption is noticeably increased
- There are deposits and a buildup of residue on your spark plug
- The spark plug is damaged
Are there any deposits? You need to remove the spark plug with a proper tool, clean it using a small knife and make sure that it is gapped properly. You can find the ideal gap size in the list above. For more tips and symptoms of a bad spark plug, read this article on the RepairClinic.com website.
Further resources:
- Choosing the Best Spark Plug for Your Generator
- Generac Generators Oil Type & Capacity Guide
- Predator Generators Spark Plug Gap & Socket Size Guide
- Champion Generators Spark Plug Gap & Socket Size Guide
- Honda Generators Spark Plug Gap & Socket Size Guide
- Honda Engines Spark Plug Gap & Socket Size Guide
- How to Change Spark Plug on Your Generator
- Choosing the Best Oil for Your Generator
- How to Store Your Portable Generator
- How to Easily Tune Up Your Generator
About Generatorist

Matthew Gerther
Founder, Generator enthusiast
Our aim here at the Generatorist is to become the No. 1 resource for all things related to generators & your power needs. We have helped over 600,000 visitors with our tips, articles and reviews and we will help you as well.
Our work has been featured in many publications around the world – Yahoo.com, Telegram.com, PaylessPower.com, PopSci.com, TopTenReviews.com, TechRepublic.com, iRV2.com, ThePrepared.com, Renogy.com or ADT Solar. Generators are our passion, and we strive to provide the most reliable & most comprehensive information out there.