BackRack

BackRack Toolbox Brackets 21in Pair

SKU 91010

MPN bck91010

$64.99 · In stock

BackRack Toolbox Brackets 21in Pair

Replaces Standard Railmount Hardware. Allows Toolbox to be installed flush against BackRack(TM). Eliminates gap between Toolbox and Backrack. Allows Toolbox to be installed without drilling into truck bed. Standard 21 inches. Optional 31 inches available.

Confirmed vehicle fitment
YearsMakeModelSubmodelDrive
1979–1986GMCK2500High Sierra—
1994–1998GMCC1500Sierra Special—
1985–1986ChevroletK20Silverado—
1979–1982GMCC1500Street Coupe—
1990–1998ChevroletK1500WT—
1977–1981ChevroletK30Cheyenne—
1979–1982GMCK3500Sierra Grande—
1988–1998ChevroletK3500Cheyenne—
1979–1986GMCC2500High Sierra—
2007ChevroletSilverado 1500 ClassicSS—
1975–1978GMCC35Sierra Classic—
1988–1993GMCC1500Sierra SLX—
1975–1978GMCK15Base—
2015–2020ChevroletSilverado 2500 HDHigh Country—
2004ChevroletSilverado 3500WT—
2003–2004MazdaB3000SE—
2001–2003ChevroletSilverado 1500 HDLS—
2007ChevroletSilverado 1500 HD ClassicLT—
2015–2026ChevroletColoradoZ71—
1968–1974GMCC15/C1500 PickupBase—
1981–1986ChevroletK10Custom—
1994–1997ChevroletK1500Base—
2005ChevroletSilverado 1500 HDLS—
1987GMCS15EL—
2007–2020ChevroletSilverado 3500 HDLT—
2001GMCSierra 1500C3—
1988–1992ChevroletK2500Scottsdale—
1979–1986GMCC3500High Sierra—
2001–2007MazdaB3000DS—
1988–1993GMCK2500Sierra—
1979–1986GMCC1500High Sierra—
1988–1993GMCC2500Sierra—
1975–1978GMCC35Base—
1988–1998GMCK1500Sierra SLE—
1999–2005ChevroletSilverado 1500Base—
1988–1998ChevroletK2500Silverado—
1994–1997ChevroletK2500Base—
2016–2020ChevroletSilverado 1500Custom—
1968–1974ChevroletK20 PickupBase—
1979–1986GMCC2500Sierra Classic—
1975–1986ChevroletC30Silverado—
1981ChevroletK20Deluxe—
2015–2020ChevroletSilverado 3500 HDHigh Country—
1993MazdaB2600SE-5—
1975–1983ChevroletK20Silverado—
1979–1986GMCC1500Sierra Classic—
1975–1978GMCK15Sierra Classic—
1994–1998GMCK1500Sierra SLT—
1975–1978GMCK25Sierra Grande—
1981ChevroletC30Deluxe—
2003–2004MazdaB2300SE—
2006GMCSierra 2500 HDSL—
1999–2004ChevroletSilverado 2500LS—
2019ChevroletSilverado 1500 LDWT—
1994–1998GMCK2500Sierra SLT—
1993GMCK1500Sierra Sport—
2007ChevroletSilverado 1500 ClassicWT—
1999MazdaB2500Troy Lee—
2003–2014GMCSierra 2500 HDWT—
2001–2006GMCSierra 3500SLT—
1988–1993GMCC1500Sierra—
1994–1995ChevroletC2500WT—
1988–1992ChevroletC2500Scottsdale—
1994–1998GMCK2500Sierra SL—
2007GMCSierra 2500 HD ClassicWT—
2007GMCSierra 2500 HD ClassicSL—
2007GMCSierra 3500 ClassicSLE—
2011–2020GMCSierra 3500 HDDenali—
1975–1986ChevroletC10Silverado—
1977GMCK15Indy Hauler—
1988–1998ChevroletK2500Cheyenne—
1977–1980ChevroletK30Custom Deluxe—
1994–1998GMCC3500Sierra SLT—
1968–1974GMCC25/C2500 PickupBase—
2019ToyotaTundraTRD Pro—
1979–1986GMCK2500Base—
1988–1998GMCC3500Sierra SLE—
1979–1986GMCC1500Base—
2007ChevroletSilverado 1500 ClassicHybrid—
2015–2026ChevroletColoradoLT—
1981ChevroletK30Deluxe—
1988–1992ChevroletC3500Scottsdale—
1982–1987ChevroletS10Sport—
1977–1978GMCK35Sierra Grande—
1977–1978GMCK35High Sierra—
1999–2004ChevroletSilverado 2500LT—
1990–1998ChevroletC1500WT—
2001–2020GMCSierra 2500 HDSLE—
1994–1997MazdaB2300SE—
1988–1993GMCK1500Sierra SLX—
1988–1998ChevroletC1500Silverado—
2019ChevroletSilverado 1500 LDLT—
1999–2013ChevroletSilverado 1500LS—
2010–2013ChevroletSilverado 1500XFE—
2002GMCSierra 1500HT—
1979–1986GMCK3500High Sierra—
1979–1986GMCK2500Sierra Classic—
1994–1998GMCC2500Sierra SLT—
2000MazdaB3000SX—
1968–1974ChevroletC20 PickupBase—
2001–2005ChevroletSilverado 2500 HDBase—
1968–1974ChevroletK10 PickupBase—
2003–2020ChevroletSilverado 2500 HDWT—
2000MazdaB4000Troy Lee—
2001–2006ChevroletSilverado 3500LS—
2019ChevroletSilverado 1500 LDCustom—
1994–1995ChevroletK2500WT—
1975–1978GMCK15Sierra Grande—
2007–2020ChevroletSilverado 2500 HDLTZ—
2000–2019ToyotaTundraLimited—
2010–2013GMCSierra 1500XFE—
2000–2011ToyotaTundraSR5—
1981ChevroletC10Deluxe—
1975–1981ChevroletK20Cheyenne—
2001–2005FordRangerEdge—
2021–2026GMCCanyonAT4—
2021–2022GMCCanyonElevation Standard—
1977–1978GMCC15Heavy Half—
2002–2020ChevroletSilverado 1500WT—
2014–2019ToyotaTundraSR5—
2019GMCSierra 1500 LimitedBase—
2005–2009FordRangerFX4—
1988–1992ChevroletK1500Scottsdale—
1999–2004GMCSierra 2500SLT—
2006–2011FordRangerSport—
2017–2026GMCCanyonDenali—
1988–1998ChevroletK1500Cheyenne—
2007ChevroletSilverado 2500 HD ClassicWT—
2005–2006GMCSierra 1500Hybrid—
2001–2002GMCSierra 3500SL—
2019–2020ChevroletSilverado 1500Custom Trail Boss—
2004–2006ChevroletSilverado 1500Hybrid—
2005–2006ChevroletSilverado 1500 HDLT—
2015–2018ChevroletSilverado 1500LS—
1975–1978GMCC25Base—
1979–1986GMCK3500Sierra Classic—
1988–1998ChevroletC1500Cheyenne—
1997MazdaB4000Base—
2006ChevroletSilverado 3500WT—
1982–1987ChevroletS10Durango—
1977GMCC15Indy Hauler—
2020GMCSierra 2500 HDAT4—
1988–1992ChevroletK3500Scottsdale—
2007–2020ChevroletSilverado 3500 HDWT—
2002FordRangerPostal—
2010–2019ToyotaTundraPlatinum—
2002–2005GMCSierra 1500Base—
1999–2000MazdaB3000Troy Lee—
2014–2019ToyotaTundra1794 Edition—
1988–1998GMCK2500Sierra SLE—
1994–1998GMCK3500Sierra SL—
1975–1980ChevroletC30Custom Deluxe—
1975–1978GMCC25High Sierra—
2005–2006GMCSierra 1500 HDSLE—
1995GMCK1500Sierra SLS—
1981–1986ChevroletC10Custom—
2003–2004GMCSierra 2500WT—
2017–2026ChevroletColoradoZR2—
1994–1996MazdaB3000SE—
2006GMCSierra 3500SL—
2001–2003ChevroletSilverado 1500 HDLT—
2002–2013GMCSierra 1500WT—
2015–2026ChevroletColoradoWT—
2001–2004MazdaB4000DS—
1982–1987ChevroletS10Tahoe—
1988–1998GMCC1500Sierra SLE—
2019GMCSierra 1500 LimitedSLE—
2007–2020GMCSierra 3500 HDSLE—
1982–1987GMCS15Base—
1975–1986ChevroletC20Scottsdale—
1982–1987ChevroletS10Base—
2001–2003GMCSierra 1500 HDSLE—
2001–2006ChevroletSilverado 2500 HDLS—
2003–2006ChevroletSilverado 1500SS—
1975–1986ChevroletK20Scottsdale—
1993MazdaB2200SE-5—
1994–1998GMCK1500Sierra Special—
2015–2020GMCCanyonBase—
1979–1986GMCC2500Base—
2015–2020GMCSierra 3500 HDBase—
1988–1993GMCK3500Sierra SLX—
1999–2020ChevroletSilverado 1500LT—
2005–2007MazdaB3000Base—
2015–2017ToyotaTundraTRD Pro—
1994–1998GMCK1500Sierra SL—
2002–2009MazdaB2300Base—
2007ChevroletSilverado 3500 ClassicWT—
1981ChevroletC20Deluxe—
2015–2020ChevroletSilverado 1500SSV—
2007GMCSierra 3500 ClassicWT—
1982–1987GMCS15Sierra Classic—
1975–1980ChevroletK20Custom Deluxe—
1979–1982GMCK2500Sierra Grande—
2005ChevroletSilverado 1500 HDBase—
1988–1998ChevroletC3500Cheyenne—
1994–1996MazdaB3000Base—
1978GMCC15Street Coupe—
2019–2020GMCSierra 1500Elevation—
1975–1986ChevroletC30Scottsdale—
2002MazdaB3000Base—
1975–1978GMCC35High Sierra—
1994–1997ChevroletC2500Base—
1993MazdaB2200Base—
2002–2005GMCSierra 2500 HDBase—
2020ChevroletSilverado 2500 HDCustom—
2007ChevroletSilverado 2500 HD ClassicLT—
1975–1978GMCK15High Sierra—
1988–1993GMCC2500Sierra SLX—
1977–1978GMCK35Sierra Classic—
1986–1987GMCS15Gypsy—
2000–2013ToyotaTundraBase—
1988–1998GMCC2500Sierra SLE—
2007GMCSierra 1500 ClassicSLT—
2007GMCSierra 2500 HD ClassicSLT—
1975–1986ChevroletC10Scottsdale—
1979–1982GMCC3500Sierra Grande—
2001–2003GMCSierra 1500 HDSLT—
2002–2005GMCSierra 3500Base—
1994–1998GMCC2500Sierra SL—
1993–2011FordRangerXL—
2004ChevroletSilverado 2500WT—
1975–1981ChevroletC30Cheyenne—
1975–1981ChevroletK10Cheyenne—
1998–2001MazdaB3000SE—
2002–2020GMCSierra 1500Denali—
1981–1986ChevroletK30Custom—
1988–1998GMCK3500Sierra SLE—
1995FordRangerXL Sport—
2015–2020GMCCanyonSL—
2001–2002GMCSierra 2500 HDSL—
1975–1978GMCC15Sierra Grande—
2005–2007FordRangerSTX—
1979–1986GMCK1500Base—
1993FordRangerSport—
1988–1993GMCC3500Sierra—
2015–2020ChevroletColoradoBase—
1999–2020GMCSierra 1500SLT—
1998–2002FordRangerEV—
1994–1998GMCC3500Sierra SL—
1975–1978GMCC35Sierra Grande—
1998–2001MazdaB2500SE—
1993MazdaB2600Base—
1975–1980ChevroletC20Custom Deluxe—
2007GMCSierra 1500 ClassicWT—
2004–2006GMCSierra 3500WT—
1979–1980GMCC1500Heavy Half—
1981–1986ChevroletC20Custom—
1975–1980ChevroletK10Custom Deluxe—
1988–1998ChevroletC2500Cheyenne—
2007GMCSierra 1500 HD ClassicSLE—
2001–2020GMCSierra 2500 HDSLT—
1978–1980ChevroletC10Big Ten—
1997FordRangerSport—
2004FordRangerTremor—
1998ChevroletC2500WT—
1977–1986ChevroletK30Silverado—
1968–1974ChevroletC30 PickupBase—
2001MazdaB2300SE—
1977–1986ChevroletK30Scottsdale—
2018–2020GMCCanyonAll Terrain—
2007ChevroletSilverado 1500 ClassicLS—
1979–1986GMCK1500Sierra Classic—
1998ChevroletK2500WT—
1975–1978GMCC15Base—
1975–1981ChevroletC10Cheyenne—
2019–2020ChevroletSilverado 1500LT Trail Boss—
1994–1998GMCC1500Sierra SL—
1993MazdaB2200LE-5—
2002–2004GMCSierra 2500Base—
1975–1981ChevroletC20Cheyenne—
1994–1996MazdaB4000LE—
1994–1997ChevroletC1500Base—
1990–1993ChevroletC1500454 SS—
1979–1986GMCK1500High Sierra—
2015–2020GMCSierra 2500 HDBase—
1998–2001MazdaB2500SX—
2007GMCSierra 2500 HD ClassicSLE—
2021–2026GMCCanyonElevation—
1988–1998ChevroletK1500Silverado—
1997GMCC1500Sierra GT—
2007ChevroletSilverado 3500 ClassicLS—
1979–1982GMCC2500Sierra Grande—
2015–2020GMCCanyonSLE—
1968–1974GMCK25/K2500 PickupBase—
2019–2020ChevroletSilverado 1500RST—
2014–2020GMCSierra 1500Base—
2015–2020GMCCanyonSLT—
1975–1978GMCC25Sierra Classic—
1994–1998GMCK3500Sierra SLT—
2007–2014GMCSierra 3500 HDWT—
1993–1997FordRangerSTX—
1994–1997ChevroletC3500Base—
2005–2006GMCSierra 1500 HDSLT—
1991ChevroletK1500Sport—
2004–2005ChevroletSilverado 1500Z71 Off-Road—
1999–2000ChevroletK3500LS—
2023–2026ChevroletColoradoTrail Boss—
1979–1986GMCK3500Base—
1988–1992ChevroletC1500Scottsdale—
2014–2019ToyotaTundraSR—
1999–2020GMCSierra 1500SLE—
2009–2013GMCSierra 1500Hybrid—
2011–2020GMCSierra 2500 HDDenali—
2023–2024GMCCanyonAT4X—
2007GMCSierra 1500 ClassicHybrid—
1982GMCS15Sierra Grande—
1975–1986ChevroletK10Silverado—
1981ChevroletK10Deluxe—
1998MazdaB3000SX—
1975–1978GMCK25Base—
2007GMCSierra 1500 ClassicDenali—
1999–2004ChevroletSilverado 2500Base—
2007GMCSierra 3500 ClassicSL—
1994–1997ChevroletK3500Base—
1999–2000ChevroletK3500Base—
2002–2009MazdaB4000Base—
2007GMCSierra 1500 ClassicSLE—
2007ChevroletSilverado 3500 ClassicLT—
2001–2005ChevroletSilverado 3500Base—
1994–2001MazdaB4000SE—
2003–2008MazdaB4000SE—
2007–2020ChevroletSilverado 3500 HDLTZ—
2006–2013GMCSierra 1500SL—
1975–1986ChevroletC20Silverado—
1983GMCS15Gypsy—
1968–1974ChevroletK30 PickupBase—
1968–1974GMCK35/K3500 PickupBase—
1994–1998GMCC1500Sierra SLT—
1999–2004GMCSierra 2500SLE—
1993–1998FordRangerSplash—
2001–2006ChevroletSilverado 3500LT—
1968–1974GMCK15/K1500 PickupBase—
1988–1993GMCK1500Sierra—
2007ChevroletSilverado 2500 HD ClassicLS—
1999–2002GMCSierra 2500SL—
1979–1982GMCK1500Sierra Grande—
1979–1986GMCC3500Sierra Classic—
2014–2020ChevroletSilverado 1500High Country—
2001–2020ChevroletSilverado 2500 HDLT—
1993–2011FordRangerXLT—
1979–1982GMCC1500Sierra Grande—
1975–1978GMCC25Sierra Grande—
2009–2013ChevroletSilverado 1500Hybrid—
2007–2020GMCSierra 3500 HDSLT—
1988–1993GMCK3500Sierra—
1968–1974ChevroletC10 PickupBase—
2007ChevroletSilverado 1500 ClassicLT—
1981–1986ChevroletC30Custom—
2020GMCSierra 3500 HDAT4—
1988–1998ChevroletK3500Silverado—
1988–1998ChevroletC2500Silverado—
2001MazdaB2300SX—
1988–1998ChevroletC3500Silverado—
2001–2006GMCSierra 3500SLE—
1981–1986ChevroletK20Custom—
1975–1978GMCC15High Sierra—
1975–1978GMCC15Sierra Classic—
1979–1986GMCC3500Base—
1975–1978GMCK25Sierra Classic—
1975–1980ChevroletC10Custom Deluxe—
2007GMCSierra 1500 HD ClassicSLT—
1982–1987GMCS15High Sierra—
1999–2003GMCSierra 1500SL—
1994–1997MazdaB2300Base—
2007GMCSierra 3500 ClassicSLT—
2019–2020GMCSierra 1500AT4—
1975–1986ChevroletK10Scottsdale—
1993MazdaB2600LE-5—
2007GMCSierra 1500 ClassicSL—
1975–1978GMCK25High Sierra—
1988–1993GMCK2500Sierra SLX—
2007–2020ChevroletSilverado 1500LTZ—
1988–1993GMCC3500Sierra SLX—
1977–1978GMCK35Base—
Specifications
CategoryFabrication
Sub-CategoryBrackets
UPC834136000319
CARB ApprovedYes
Prop 65 WarningY
Weight13.3 lb
Dimensions (L×W×H)29.7 × 6.2 × 4.1 in