What is the difference between a champion RC12YC and RC14YC?

What is the difference between a champion RC12YC and RC14YC?

The higher number is a slightly hotter spark type plug. The RC14YC4 is now the standard plug for the 990/992 Generac engines. The 999 in the new 16-22kW Evolution (7000 series) units and older 20kW units are still using the cooler RC12YC4 plugs. The ‘4’ at the end is the spark gap that’s preset at the Champion factory.

How many replacement spark plugs are there for champion rc12yc?

Champion RC12YC – Alternative spark plugs There are 389 replacement spark plugs for Champion RC12YC. The cross references are for general reference only, please check for correct specifications and measurements for your application. Details about Champion RC12YC: Threaddiameter:14mm Threadreach:19mm Seattype:flat Hexsize:16mm

What should I look for in a Champion Spark Plug?

Review the spark plug’s outer shell next. You’ll find the Champion RC12YC Spark Plug uses a special TinTac and ULTRASEAL shell to protect the spark plug from corrosion. Corrosion is a spark plug’s enemy and will lead to the plug needing to be replaced prematurely.

Which is the best spark plug to buy?

When you do this, you’ll discover that the NGK G-Power Spark Plug, 4-Pack and the DENSO PLATINUM T T Spark Plugs, 6-Pack are among the most affordable. You’ll pay a moderate price per piece for the Champion RC12YC Spark Plug, while the E3 Spark Plugs Power Sports E3 Spark Plug comes in on the higher end.

Is the spark plug cross reference for general reference?

The cross references are for general reference only, please check for correct specifications and measurements for your application. Choose brandname and start typing model number. The spark plug Cross references are for general reference only. Check for correct application and spec/measurements.

Champion RC12YC – Alternative spark plugs There are 389 replacement spark plugs for Champion RC12YC. The cross references are for general reference only, please check for correct specifications and measurements for your application. Details about Champion RC12YC: Threaddiameter:14mm Threadreach:19mm Seattype:flat Hexsize:16mm

Which is the hotter spark plug rc14yc or rc12yc4?

The higher number is a slightly hotter spark type plug. The RC14YC4 is now the standard plug for the 990/992 Generac engines. The 999 in the new 16-22kW Evolution (7000 series) units and older 20kW units are still using the cooler RC12YC4 plugs. The ‘4’ at the end is the spark gap that’s preset at the Champion factory.

What does 4 mean on a Champion Spark Plug?

The ‘4’ at the end is the spark gap that’s preset at the Champion factory. That 4 means .040 gap, or forty thousandths of an inch of gap between the spark plus center copper electrode and the ground. I would stick with the RC14YC4’s, but in your older model, they benefit from being gapped a little closer than the .040 that they come set at.

What is the spark plug interchange interchange number?

SPARK PLUG INTERCHANGE CHARGE AC Autolite Bosch Briggs and Stratton Oregon CS42S 2974 WS8F – 77-300-1 – 458, 404 W9EO – 77-301-1 CS41 2995 WS8E – 77-302-1 FR2LSK 5224 FR8DC 491055S 77-303-1