

GM Genuine Parts Locking Differential Cam
GM Part #12471412
ACDelco Part #12471412
About this product
GM Genuine Parts Differential Lock Plates are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)
Please visit our warranty page on Gmparts.com for full warranty details.
| Model | Body Style | Trim | Year(s) |
|---|---|---|---|
| C1500 | 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 | ||
| C1500 Suburban | 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 | ||
| C2500 | 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 | ||
| C2500 Suburban | 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 | ||
| C3500 | 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 | ||
| C3500HD | 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 | ||
| G3500 | 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996 | ||
| K1500 | 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 | ||
| K1500 Suburban | 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 | ||
| K2500 | 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 | ||
| K2500 Suburban | 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 | ||
| K3500 | 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 | ||
| P2500 | 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989 | ||
| P3500 | 1990, 1991, 1992, 1993 | ||
| R2500 | 1987, 1988, 1989 | ||
| R2500 Suburban | 1987, 1988, 1989, 1990, 1991 | ||
| R3500 | 1990, 1991 | ||
| Savana 2500 | 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 | ||
| Savana 3500 | Cutaway Van | 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, 2022, 2023, 2024, 2025, 2026 | |
| Savana 3500 | Extended Cargo Van | 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, 2022, 2023, 2024, 2025, 2026 | |
| Savana 3500 | Extended Passenger Van | 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, 2022, 2023, 2024, 2025, 2026 | |
| Savana 3500 | Standard Cargo Van | 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, 2022, 2023, 2024, 2025, 2026 | |
| Savana 3500 | Standard Passenger Van | 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, 2022, 2023, 2024, 2025, 2026 | |
| Savana 4500 | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | ||
| Sierra 2500 | Extended Cab Pickup | 1999, 2000, 2001, 2002, 2003, 2004 | |
| Sierra 2500 | Standard Cab Pickup | 1999, 2000, 2001, 2002, 2003, 2004 | |
| Sierra 2500 HD | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 | ||
| Sierra 2500 HD Classic | 2007 | ||
| V2500 | 1987 | ||
| V2500 Suburban | 1987, 1988, 1989, 1990, 1991 | ||
| V3500 | 1990, 1991 | ||
| Yukon | 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 | ||
| Yukon XL 2500 | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
GM Genuine Parts Locking Differential Cam
GM Part #12471412
ACDelco Part #12471412
GM Genuine Parts Differential Lock Plates are designed, engineered, and tested to rigorous standards, and are backed by General Motors.
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
Pack of 1
About this product
GM Genuine Parts Differential Lock Plates are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)
Please visit our warranty page on Gmparts.com for full warranty details.
| Model | Body Style | Trim | Year(s) |
|---|---|---|---|
| C1500 | 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 | ||
| C1500 Suburban | 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 | ||
| C2500 | 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 | ||
| C2500 Suburban | 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 | ||
| C3500 | 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 | ||
| C3500HD | 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 | ||
| G3500 | 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996 | ||
| K1500 | 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 | ||
| K1500 Suburban | 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 | ||
| K2500 | 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 | ||
| K2500 Suburban | 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 | ||
| K3500 | 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 | ||
| P2500 | 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989 | ||
| P3500 | 1990, 1991, 1992, 1993 | ||
| R2500 | 1987, 1988, 1989 | ||
| R2500 Suburban | 1987, 1988, 1989, 1990, 1991 | ||
| R3500 | 1990, 1991 | ||
| Savana 2500 | 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 | ||
| Savana 3500 | Cutaway Van | 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, 2022, 2023, 2024, 2025, 2026 | |
| Savana 3500 | Extended Cargo Van | 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, 2022, 2023, 2024, 2025, 2026 | |
| Savana 3500 | Extended Passenger Van | 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, 2022, 2023, 2024, 2025, 2026 | |
| Savana 3500 | Standard Cargo Van | 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, 2022, 2023, 2024, 2025, 2026 | |
| Savana 3500 | Standard Passenger Van | 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, 2022, 2023, 2024, 2025, 2026 | |
| Savana 4500 | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | ||
| Sierra 2500 | Extended Cab Pickup | 1999, 2000, 2001, 2002, 2003, 2004 | |
| Sierra 2500 | Standard Cab Pickup | 1999, 2000, 2001, 2002, 2003, 2004 | |
| Sierra 2500 HD | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 | ||
| Sierra 2500 HD Classic | 2007 | ||
| V2500 | 1987 | ||
| V2500 Suburban | 1987, 1988, 1989, 1990, 1991 | ||
| V3500 | 1990, 1991 | ||
| Yukon | 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 | ||
| Yukon XL 2500 | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |