Voice or type your vehicle details and Wrenchy will confirm fitment in seconds.
| Attribute | Value |
|---|---|
| Center Electrode Tip Material | Nickel |
| Classification | Champion Copper Plus |
| Electrical Terminal Type | Non-removable Nut |
| Ground Electrode Core Material | Nickel |
| Hex Size | 0.625, 15.880 |
| Insulator Height | 0.06 |
| Plug Type | Rc12yc5 |
| Pre Gap Size | 0.050 |
| Reach | 0.75 |
| Seat Type | Flat |
This part fits the following vehicles:
This is a universal part that fits 1,175 vehicle configurations across 30 makes.
We offer fast, reliable shipping on all orders:
We want you to be 100% satisfied with your purchase. That's why we offer:
This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.
Warranty does NOT cover:
| Brand | Part Number |
|---|---|
| ACDelco | 41-608 |
| ACDelco | 41-611 |
| ACDelco | 41-630 |
| ACDelco | FR3LS6 |
| Bosch | FR8DCY |
| Champion Spark Plug | RC12YC5 |
| DENSO | K16R4 |
| DENSO | K16RU11 |
| DENSO | K20PRL11 |
| DENSO | K20PRU11 |
| DENSO | K20RU11 |
| DENSO | Q16PRU15 |
| Mopar | 4609079 |
| Mopar | 82300314 |
Fits Years: 1982 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
Keep your LeSabre's reliable 3.8L V6 engine running smoothly with the correct new spark plugs.
Read Full Guide →If your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.
In operation since 2007. Trusted by over a million DIYers, mechanics, and body shops across all 50 states.
If it doesn't fit, we make it right. No gimmicks, no fine print.
Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.
Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.
Ask Wrenchy →