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Spark Plug Firstfire - FF-20

Article #80495091 Model #FF-20
This item is not currently available for immediate purchase, but can be ordered by visiting the selected store.
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Description

Designed for use with Briggs & Stratton engines and Kohler engines, this FirstFire FF-20 spark plug delivers reliable performance and efficiency. The spark plug provides consistent starts and superior fouling resistance for dependable use. This small engine spark plug replaces Champion models RC12YC and RC14YC.
  • Consistent starts, dependable performance, superior fouling resistance
  • 14 mm thread diameter, 3/4-in reach, 5/8-in hex socket

Product specifications

Replaces OEM Part Number
Champion RC12YC, RC14YC, NGK BCP4ES-11, BKR4E, BKR4E-11, BKR4EIX, BKR5E, BKR5E-11, BKR5EIX, BKR5EK, BKR5ES, BKR5ES-11, BKR5EY-11, BKR5EYA, BKR5EYA-11, BKR6EKB-11, FR4, FR45, FR5, Autolite 3924, 3926
Type
Spark plug
Application
4-cycle engine
Brand/Model Compatibility
Universal (fits to most brands)
Hex Size(in)
5/8-in

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Spark Plug Firstfire - FF-20 is rated 4.0 out of 5 by 1.
Rated 4 out of 5 by from Replaced Champion RC12YC Only after one year in the Briggs & Stratton 140cc Craftsman lawnmower engine the Champion failed. It was the last thing I checked on the lawnmower after 2 hrs of working on the mower for summer start up. Put this FF plug in and started first pull. One yr life out of the Champion...disappointing. I have a 10yr old mower at the cottage (diff engine), started first pull, again! this year.
Date published: 2022-05-11
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