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Auto Repair ToolsAuto Tool StorageAutomotive ElectricalBack Seat OrganizersBody RepairBody Repair ToolsCar & Truck Covers and All Vehicle CoversCar & Truck Racks, Cargo Carriers & Ratchet StrapsCar Audio InstallationCar Consoles, Console Parts & AccessoriesCar CoversCar CustomizationCar OrganizersCar SpeakersCar SubwoofersCargo CarriersExterior Car DetailingFloor Mats & LinersHarley Davidson Parts & AccessoriesHusky LinersJeep Interior AccessoriesKawasaki Parts & AccessoriesKemimotoLift Supports & ComponentsMaxmateMechanics ToolsOther Interior Car AccessoriesPolaris Parts & AccessoriesReplacement Auto PartsRubber Floor MatsRunning Boards, Nerf Bars & Side StepsSeats & Seat PartsShop Jeep Accessories & Jeep Parts by BrandShop Truck Accessories & Truck Parts by BrandSuspension Parts & ComponentsTonneau Covers & Truck Bed CoversTruck Bed AccessoriesTruck CoversTruck Floor MatsTruck Tool BoxesUTV Parts & AccessoriesWeatherTech
Extended Cab Storage Boxes(140)
Uses item details. Price when purchased online
TRINITY 36" Rust-Resistant Powder-Coated Job Site Box From $299.99
Sponsored
From$29999
TRINITY 36" Rust-Resistant Powder-Coated Job Site Box
143.4 out of 5 Stars. 14 reviews
KitsPro Rear Truck Underseat Storage Box, Fit 2017-2026 Ford F-250 F-350 Super Duty and 2015-2026 Ford F-150 SuperCrew Crew Cab Heavy Duty Rear Under Back Seat Box Organizer, Anti Slip $94.99
Sponsored
$9499
current price $94.99KitsPro Rear Truck Underseat Storage Box, Fit 2017-2026 Ford F-250 F-350 Super Duty and 2015-2026 Ford F-150 SuperCrew Crew Cab Heavy Duty Rear Under Back Seat Box Organizer, Anti Slip
15 out of 5 Stars. 1 reviews
Rhino USA Heavy Duty Waterproof Rooftop Cargo Carrier 17.7 Cubic Feet $99.90
Sponsored
$9990
current price $99.90Rhino USA Heavy Duty Waterproof Rooftop Cargo Carrier 17.7 Cubic Feet
63.8 out of 5 Stars. 6 reviews
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UnderCover Swingcase Truck Bed Storage Box $199.99
Sponsored
$19999
current price $199.99UnderCover Swingcase Truck Bed Storage Box
14504.6 out of 5 Stars. 1450 reviews
Kojem Underseat Storage Box, Fit for 2007-2013 Chevrolet GMC Silverado Sierra 1500 2500 3500 Extended Cab, Under Seat Box, Tray Tools, Organizer Gearbox $90.00
$9000
current price $90.00Kojem Underseat Storage Box, Fit for 2007-2013 Chevrolet GMC Silverado Sierra 1500 2500 3500 Extended Cab, Under Seat Box, Tray Tools, Organizer Gearbox
94.4 out of 5 Stars. 9 reviews
Kojem Under Seat Storage Box Fits 1999-2006 Chevy/GMC Silverado/Sierra Extended Cab & 2007 Classic Models Underseat Container System Black $95.99
$9599
current price $95.99Kojem Under Seat Storage Box Fits 1999-2006 Chevy/GMC Silverado/Sierra Extended Cab & 2007 Classic Models Underseat Container System Black
55 out of 5 Stars. 5 reviews
Geelife Under seat Storage Box 99-06 fits Chevy/GMC Silverado/Sierra Extended Cab $151.33
$15133
current price $151.33Geelife Under seat Storage Box 99-06 fits Chevy/GMC Silverado/Sierra Extended Cab
KOJEM Underseat Storage Box Compatible with 2019-2024 Chevy Chevrolet Silverado GMC Sierra 1500 2500/3500 HD ABS Plastic $108.45
$10845
current price $108.45KOJEM Underseat Storage Box Compatible with 2019-2024 Chevy Chevrolet Silverado GMC Sierra 1500 2500/3500 HD ABS Plastic
25 out of 5 Stars. 2 reviews
MaxMate Underseat Storage Box Compatible with 2015-2026 Ford F-150; 2017-2026 F-250 F-350 SD Supercrew Cab, Rear Under Seat Extra Cargo Store Organizer | CB5F2228MX $135.00
$13500
current price $135.00MaxMate Underseat Storage Box Compatible with 2015-2026 Ford F-150; 2017-2026 F-250 F-350 SD Supercrew Cab, Rear Under Seat Extra Cargo Store Organizer | CB5F2228MX
34.7 out of 5 Stars. 3 reviews
DU-HA Chevrolet and GMC Silverado/Sierra Extended Cab 99-07 Under Seat Organizer Fits select: 1999-2007 GMC NEW SIERRA $189.95
$18995
current price $189.95DU-HA Chevrolet and GMC Silverado/Sierra Extended Cab 99-07 Under Seat Organizer Fits select: 1999-2007 GMC NEW SIERRA
10054.8 out of 5 Stars. 1005 reviews
WeatherTech Under Seat Storage System compatible with 2022-2026 Nissan Frontier, Black $156.95
Sponsored
$15695
current price $156.95WeatherTech Under Seat Storage System compatible with 2022-2026 Nissan Frontier, Black
UnderCover SwingCase Truck Bed Storage Box | SC102P | Fits 2004 - 2012 Chevy/GMC Colorado/Canyon Passenger Side $199.99
Sponsored
$19999
current price $199.99UnderCover SwingCase Truck Bed Storage Box | SC102P | Fits 2004 - 2012 Chevy/GMC Colorado/Canyon Passenger Side
14504.6 out of 5 Stars. 1450 reviews
General Motors GM Accessories 23183670 Extended Cab Underseat Storage Compartment in Black $397.24
$39724
current price $397.24General Motors GM Accessories 23183670 Extended Cab Underseat Storage Compartment in Black
Tuffy Security Products Rear Underseat Lockbox - '15-22 F-150; '17-22 F-250/350 Super Duty; w/Extended Cab (Black) Fits select: 2015-2022 FORD F150, 2017-2022 FORD F250 $569.00
$56900
current price $569.00Tuffy Security Products Rear Underseat Lockbox - '15-22 F-150; '17-22 F-250/350 Super Duty; w/Extended Cab (Black) Fits select: 2015-2022 FORD F150, 2017-2022 FORD F250
114.6 out of 5 Stars. 11 reviews
Kojem Underseat Storage Box, Fit for 2015-2022 Ford F150 Super Crew Cab, 2017-2021 F250 F350 F450, Truck Cargo Organizer Bins Pickup,2016 2018 2019 2020 $67.99
$6799
current price $67.99Kojem Underseat Storage Box, Fit for 2015-2022 Ford F150 Super Crew Cab, 2017-2021 F250 F350 F450, Truck Cargo Organizer Bins Pickup,2016 2018 2019 2020
234.2 out of 5 Stars. 23 reviews
Better Built Durable 70" Black Single Lid Deep Automotive Cargo Box $806.24
$80624
current price $806.24Better Built Durable 70" Black Single Lid Deep Automotive Cargo Box
DU-HA Under Seat Storage Case Organizer for 2007-13 Chevy Silverado/GMC Sierra $189.95
$18995
current price $189.95DU-HA Under Seat Storage Case Organizer for 2007-13 Chevy Silverado/GMC Sierra
10084.8 out of 5 Stars. 1008 reviews
KFFKFF Heavy-Duty Aluminum Semi-Truck Step Toolbox, 31" x 30" x 19" Waterproof Storage Box with Shock-Absorbing Latch for Flatbed, Crane, and Semi-Trucks $349.99
$34999
current price $349.99KFFKFF Heavy-Duty Aluminum Semi-Truck Step Toolbox, 31" x 30" x 19" Waterproof Storage Box with Shock-Absorbing Latch for Flatbed, Crane, and Semi-Trucks
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Expandable Vehicle Storage Box High Capacity Foldable Structure Car Backseat Organizers for Rear Cargo Space Management From $43.77
From$4377
Expandable Vehicle Storage Box High Capacity Foldable Structure Car Backseat Organizers for Rear Cargo Space Management
Adjustable Car Storage Box with Lid, Expandable Center Console Organizer with Cup Holder, Covered Armrest Storage for Most Cars
Adjustable Car Storage Box with Lid, Expandable Center Console Organizer with Cup Holder, Covered Armrest Storage for Most Cars
KFFKFF 36"×17"×18" Aluminum Underbody Truck Storage Box, Durable Diamond Plate Tool Box with Lock and Keys, Weather-Resistant Trailer Storage Solution with T-Handle Latch for Trucks, Vans $169.90
Sponsored
$16990
current price $169.90KFFKFF 36"×17"×18" Aluminum Underbody Truck Storage Box, Durable Diamond Plate Tool Box with Lock and Keys, Weather-Resistant Trailer Storage Solution with T-Handle Latch for Trucks, Vans
Under Seat Storage Box for 2019-2023 Chevy Silverado 1500/GMC Sierra 1500 2020-2023 2500 3500 Double Cab & Crew Cab Chevy Silverado Pickup Accessory, Black $37.99
Sponsored
$3799
current price $37.99Under Seat Storage Box for 2019-2023 Chevy Silverado 1500/GMC Sierra 1500 2020-2023 2500 3500 Double Cab & Crew Cab Chevy Silverado Pickup Accessory, Black
104 out of 5 Stars. 10 reviews
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Tuffy 09-14 Ford F150 Supercab Underseat Lockbox W/ Combo Lock For $329.00
$32900
current price $329.00Tuffy 09-14 Ford F150 Supercab Underseat Lockbox W/ Combo Lock For
DNA Motoring TOOLS-00421 37.7"L 11.4"W 12.5"H 3-in-1 XXL Car Trunk Collapsible Folding SUV Food Delivery Storage Organizer Bin $42.99
$4299
current price $42.99DNA Motoring TOOLS-00421 37.7"L 11.4"W 12.5"H 3-in-1 XXL Car Trunk Collapsible Folding SUV Food Delivery Storage Organizer Bin
ewbo A0175A0041 Maximize Your Vehicle's Storage Space with the Under Seat Hidden Storage Box $30.61
$3061
current price $30.61ewbo A0175A0041 Maximize Your Vehicle's Storage Space with the Under Seat Hidden Storage Box
Clearance Hyknon Car Storage Organizer, Multifunctional Car Storage Box with Dual Cup Holders, Modern Simple Storage Bin with Adjustable Strap, Quilted Portable Storage Basket for Front Back Seat, Black Was $9.99
Hyknon Car Storage Organizer, Multifunctional Car Storage Box with Dual Cup Holders, Modern Simple Storage Bin with Adjustable Strap, Quilted Portable Storage Basket for Front Back Seat, Black
Kojem AP-083 Upgraded Rear Under Seat Storage Box for 2014-2018 Chevrolet/GMC Black Plastic $88.00
$8800
current price $88.00Kojem AP-083 Upgraded Rear Under Seat Storage Box for 2014-2018 Chevrolet/GMC Black Plastic
25 out of 5 Stars. 2 reviews
ECCPP Truck Bed Storage Box Compatible For Dodge Ram 1500 2002-2010, For Ram 1500 2011-2018 Driver Side+Passenger Side Lockable Lid, truck toolbox with Password Lock, Black $188.93
$18893
current price $188.93ECCPP Truck Bed Storage Box Compatible For Dodge Ram 1500 2002-2010, For Ram 1500 2011-2018 Driver Side+Passenger Side Lockable Lid, truck toolbox with Password Lock, Black
Ledkingdomus Under Seat Storage Box 2in1 Max Organizer for 2014-2018 Chevrolet Silverado/GMC Sierra 1500 Double Cab/15-19 2500HD/3500HD $84.99
$8499
current price $84.99Ledkingdomus Under Seat Storage Box 2in1 Max Organizer for 2014-2018 Chevrolet Silverado/GMC Sierra 1500 Double Cab/15-19 2500HD/3500HD
15 out of 5 Stars. 1 reviews
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Geelife 2Pcs Truck Bed Storage Box Toolbox For 15-20 Colorado 15-20 Canyon Left & Right $405.36
$40536
current price $405.36Geelife 2Pcs Truck Bed Storage Box Toolbox For 15-20 Colorado 15-20 Canyon Left & Right
Under Seat Storage Box for 2014 2015 2016 2017 2018 Chevy Silverado /GMC Sierra 1500 2015 2016 2017 2018 2019 Silverado/Sierra 2500HD 3500 HD Crew Cab Chevy Silverado Pickup Accessory, Black $39.99
Sponsored
$3999
current price $39.99Under Seat Storage Box for 2014 2015 2016 2017 2018 Chevy Silverado /GMC Sierra 1500 2015 2016 2017 2018 2019 Silverado/Sierra 2500HD 3500 HD Crew Cab Chevy Silverado Pickup Accessory, Black
73.6 out of 5 Stars. 7 reviews
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KFFKFF 48"×17"×18" Aluminum Underbody Truck Storage Box, Durable Diamond Plate Tool Box with Lock and Keys, Weather-Resistant Trailer Storage Solution with T-Handle Latch for Trucks, Vans $249.99 Was $358.99
Sponsored
Now$24999
current price Now $249.99, Was $358.99$358.99
KFFKFF 48"×17"×18" Aluminum Underbody Truck Storage Box, Durable Diamond Plate Tool Box with Lock and Keys, Weather-Resistant Trailer Storage Solution with T-Handle Latch for Trucks, Vans
Clearance Portable Car Storage Box Maximizes Your Car Space Built To Last Multi Compartment Organizer Durable Plastic Lightweight Foldable Space Saving Interior Storage Organizer Trunk Seat Organizer Was $10.20
Portable Car Storage Box Maximizes Your Car Space Built To Last Multi Compartment Organizer Durable Plastic Lightweight Foldable Space Saving Interior Storage Organizer Trunk Seat Organizer
LEORX Space Expander Car Seat Storage Box Leather Black 1Pack $16.42
$1642
current price $16.42LEORX Space Expander Car Seat Storage Box Leather Black 1Pack
MaxMate Underseat Storage Box Compatible with 2014-2018 Chevy Silverado / GMC Sierra 1500; 2015-2019 Silverado / Sierra HD Double Cab | Black Rear Under Seat Extra Cargo Store Organizer | CB5C2248MX $143.00
$14300
current price $143.00MaxMate Underseat Storage Box Compatible with 2014-2018 Chevy Silverado / GMC Sierra 1500; 2015-2019 Silverado / Sierra HD Double Cab | Black Rear Under Seat Extra Cargo Store Organizer | CB5C2248MX
Underseat Storage Box Compatible with 2020-2024 2500HD/3500HD Crew Cab, 2019-2024 Chevrolet/GMC Silverado/Sierra 1500, Black Rear Under Seat Extra Cargo Store $94.99
$9499
current price $94.99Underseat Storage Box Compatible with 2020-2024 2500HD/3500HD Crew Cab, 2019-2024 Chevrolet/GMC Silverado/Sierra 1500, Black Rear Under Seat Extra Cargo Store
43.5 out of 5 Stars. 4 reviews
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Kojem Underseat Storage Box Compatible with 2007-2021 Toyota Tundra Double Cab without Subwoofer $94.50
$9450
current price $94.50Kojem Underseat Storage Box Compatible with 2007-2021 Toyota Tundra Double Cab without Subwoofer
KFFKFF Semi-Truck Step Tool Box, 30" x 29.5" x 15.8" Durable Aluminum Diamond Plate Storage Box, Weather-Resistant Entry Step with T-Handle Lock and Keys for Flatbeds, Cranes, and Semi Trucks $360.99
$36099
current price $360.99KFFKFF Semi-Truck Step Tool Box, 30" x 29.5" x 15.8" Durable Aluminum Diamond Plate Storage Box, Weather-Resistant Entry Step with T-Handle Lock and Keys for Flatbeds, Cranes, and Semi Trucks
MaxMate Underseat Storage Box Compatible with 2019-2026 Chevy Silverado GMC Sierra 1500; 2020-2026 2500 3500HD Double & Crew Cab, Black Rear Under Seat Extra Cargo Store Organizer | CB5C2278MX $139.00
$13900
current price $139.00MaxMate Underseat Storage Box Compatible with 2019-2026 Chevy Silverado GMC Sierra 1500; 2020-2026 2500 3500HD Double & Crew Cab, Black Rear Under Seat Extra Cargo Store Organizer | CB5C2278MX
34.7 out of 5 Stars. 3 reviews
Car Center Console Organizer, Expandable Storage Box with Cup Holder for SUV Truck, Armrest Storage Box with Compartments, Car Accessories Organizer for Phone Keys From $6.90
From$690
Car Center Console Organizer, Expandable Storage Box with Cup Holder for SUV Truck, Armrest Storage Box with Compartments, Car Accessories Organizer for Phone Keys
CROSSDESIGN Black Truck Bed Storage Box Tool Box Fit for 2005-2020 Toyota Tacoma $94.99
$9499
current price $94.99CROSSDESIGN Black Truck Bed Storage Box Tool Box Fit for 2005-2020 Toyota Tacoma
Kojem Under Seat Storage Box Organizer Black for 2007-2019 Chevy Silverado GMC Sierra Crew Cab Replaces 23183674 $79.09
$7909
current price $79.09Kojem Under Seat Storage Box Organizer Black for 2007-2019 Chevy Silverado GMC Sierra Crew Cab Replaces 23183674
444.5 out of 5 Stars. 44 reviews
Undercover Tonneau Covers UnderCover Swing Case Storage Box - SC201P $199.99
$19999
current price $199.99Undercover Tonneau Covers UnderCover Swing Case Storage Box - SC201P
14404.6 out of 5 Stars. 1440 reviews
General Car Storage Box Featuring Not Slip Base & Multiple Purpose Compartments Secure Mounting Design for Seat Gaps
General Car Storage Box Featuring Not Slip Base & Multiple Purpose Compartments Secure Mounting Design for Seat Gaps
KOJEM Storage Systems Under Seat Storage Box Black 09401 for 2002-2018 Dodge Ram 1500 Crew Cab 2019 Dodge Ram 1500 Classic Crew w/ 60/40 $76.41 Was $84.99
Now$7641
current price Now $76.41, Was $84.99$84.99
KOJEM Storage Systems Under Seat Storage Box Black 09401 for 2002-2018 Dodge Ram 1500 Crew Cab 2019 Dodge Ram 1500 Classic Crew w/ 60/40
Storage Box for Car Seats That Helps Save Space And Fills Gaps, Ideal for Organizing Items $20.82
$2082
current price $20.82Storage Box for Car Seats That Helps Save Space And Fills Gaps, Ideal for Organizing Items
MaxMate Underseat Storage Box Compatible with 2014-2018 Chevy Silverado / GMC Sierra LD; 2015-2019 Silverado / Sierra HD Crew Cab | Black Rear Under Seat Extra Cargo Store Organizer | CB5C2238MX $141.00
$14100
current price $141.00MaxMate Underseat Storage Box Compatible with 2014-2018 Chevy Silverado / GMC Sierra LD; 2015-2019 Silverado / Sierra HD Crew Cab | Black Rear Under Seat Extra Cargo Store Organizer | CB5C2238MX
15 out of 5 Stars. 1 reviews
Truck Cabin Accessory Organizers Central Storage Box For L200 2024 2025 Vehicles Console Organizers $16.46
$1646
current price $16.46Truck Cabin Accessory Organizers Central Storage Box For L200 2024 2025 Vehicles Console Organizers
Car Seat Seam Storage Box Main And Passenger Compartment Extended Storage Space
Car Seat Seam Storage Box Main And Passenger Compartment Extended Storage Space
KOJEM Rear Under Seat Storage Box for 2009 - 2014 Ford F150 SuperCrew Crew Cab Underseat System Replaces 9L3Z-78115A00-CA 9L3Z78115A00CA $85.00
$8500
current price $85.00KOJEM Rear Under Seat Storage Box for 2009 - 2014 Ford F150 SuperCrew Crew Cab Underseat System Replaces 9L3Z-78115A00-CA 9L3Z78115A00CA
75 out of 5 Stars. 7 reviews
Popular in Extended Cab Storage Boxes for Trucks and SUVs with Black Finish
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