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Extended Cab Storage Boxes(147)
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
153.5 out of 5 Stars. 15 reviews
Northern Tool + Equipment Wide Truck Toolbox, 36in.L x 24in.W x 18in.H, Aluminum, Diamond Plate, Pull Handle Latch $419.99

Sponsored
$41999
current price $419.99Northern Tool + Equipment Wide Truck Toolbox, 36in.L x 24in.W x 18in.H, Aluminum, Diamond Plate, Pull Handle Latch
164.7 out of 5 Stars. 16 reviews
For 2015 to 2019 Ford F150 Crew Cab Pickup Light Weight Rear Under Seat Cargo Storage Box Organizer Case 16 17 18 $89.59

Sponsored
$8959
current price $89.59For 2015 to 2019 Ford F150 Crew Cab Pickup Light Weight Rear Under Seat Cargo Storage Box Organizer Case 16 17 18
24.5 out of 5 Stars. 2 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 $82.99

Sponsored
$8299
current price $82.99KitsPro 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
Husky Liners Underseat Storage Box 07- GM Extended Cab $148.71 Was $169.99

Now$14871
current price Now $148.71, Was $169.99$169.99
Husky Liners Underseat Storage Box 07- GM Extended Cab
6644.7 out of 5 Stars. 664 reviews
Kojem Under Seat Storage Box Fits 1999-2006 Chevy/GMC Silverado/Sierra Extended Cab & 2007 Classic Models Underseat Container System Black $95.88

$9588
current price $95.88Kojem Under Seat Storage Box Fits 1999-2006 Chevy/GMC Silverado/Sierra Extended Cab & 2007 Classic Models Underseat Container System Black
35 out of 5 Stars. 3 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 $83.29

$8329
current price $83.29Kojem Underseat Storage Box, Fit for 2007-2013 Chevrolet GMC Silverado Sierra 1500 2500 3500 Extended Cab, Under Seat Box, Tray Tools, Organizer Gearbox
84.4 out of 5 Stars. 8 reviews
Black Under Seat Storage Box For Chevy GMC Silverado Sierra Extended Cab 2007-13 $95.44

$9544
current price $95.44Black Under Seat Storage Box For Chevy GMC Silverado Sierra Extended Cab 2007-13
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
Geelife Under seat Storage Box 99-06 fits Chevy/GMC Silverado/Sierra Extended Cab $164.89 Was $210.14

Now$16489
current price Now $164.89, Was $210.14$210.14
Geelife Under seat Storage Box 99-06 fits Chevy/GMC Silverado/Sierra Extended Cab
Best seller WheelX Car Center Console, Universal Rear Bench Seat Console, Back Seat Car Organizer, Automotive Center Console with Cup Holder & Phone Holder, Central Armrest Box (Update, Black) From $72.99

Sponsored
From$7299
WheelX Car Center Console, Universal Rear Bench Seat Console, Back Seat Car Organizer, Automotive Center Console with Cup Holder & Phone Holder, Central Armrest Box (Update, Black)
133.9 out of 5 Stars. 13 reviews
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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
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
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
Car Storage Box for Jim Niserra MT/AT Vehicles Scratch-resistant Stain-resistant Center Console Extension Box $35.79

$3579
current price $35.79Car Storage Box for Jim Niserra MT/AT Vehicles Scratch-resistant Stain-resistant Center Console Extension Box
Better Built Durable 70" Black Single Lid Deep Automotive Cargo Box $884.66

$88466
current price $884.66Better Built Durable 70" Black Single Lid Deep Automotive Cargo Box
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
33.3 out of 5 Stars. 3 reviews
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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
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
10004.8 out of 5 Stars. 1000 reviews
Under Seat Storage Box for 2019-2025 Dodge Ram 1500 Crew Cab New Body Style Accessory Soft Truck bed Under-seat Tool Box Storage Organizer, Black $45.99

Sponsored
$4599
current price $45.99Under Seat Storage Box for 2019-2025 Dodge Ram 1500 Crew Cab New Body Style Accessory Soft Truck bed Under-seat Tool Box Storage Organizer, Black
43 out of 5 Stars. 4 reviews
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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
54 out of 5 Stars. 5 reviews
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Clearance Under Cab Storage Box with Partition for Car Front Passenger Seat, Made of ABS, Available in Orange, Black, White, and Brown From $8.98

6 options
Available in additional 6 optionsFrom$898
Under Cab Storage Box with Partition for Car Front Passenger Seat, Made of ABS, Available in Orange, Black, White, and Brown
DU-HA Chevrolet and GMC C/K Model Extended Cab 88-99 Under Seat Organizer, Black Fits select: 1988-1999 CHEVROLET GMT-400, 1992-1999 CHEVROLET SUBURBAN $189.95

$18995
current price $189.95DU-HA Chevrolet and GMC C/K Model Extended Cab 88-99 Under Seat Organizer, Black Fits select: 1988-1999 CHEVROLET GMT-400, 1992-1999 CHEVROLET SUBURBAN
10004.8 out of 5 Stars. 1000 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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Car Storage Box for Jim Niserra MT/AT Vehicles Scratch-resistant Stain-resistant Center Console Extension Box $35.79

$3579
current price $35.79Car Storage Box for Jim Niserra MT/AT Vehicles Scratch-resistant Stain-resistant Center Console Extension Box
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
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
CROSSDESIGN Black Truck Bed Storage Box Tool Box Fit for 2005-2020 Toyota Tacoma $95.99

$9599
current price $95.99CROSSDESIGN Black Truck Bed Storage Box Tool Box Fit for 2005-2020 Toyota Tacoma
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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Reduced price Undercover Tonneau Covers UnderCover Swing Case Storage Box - SC900D $179.99 Was $219.00

Sponsored
Now$17999
current price Now $179.99, Was $219.00$219.00
Undercover Tonneau Covers UnderCover Swing Case Storage Box - SC900D
14184.6 out of 5 Stars. 1418 reviews
Geelife 2Pcs Truck Bed Storage Box Toolbox For 15-20 Colorado 15-20 Canyon Left & Right $372.78

$37278
current price $372.78Geelife 2Pcs Truck Bed Storage Box Toolbox For 15-20 Colorado 15-20 Canyon Left & Right
Tyger Auto Underseat Storage Box Compatible with 2019-2026 Chevy Silverado GMC Sierra 1500; 2020-2026 2500 3500HD Double & Crew Cab, Black Rear Under Seat Storage Organizer Cargo Box | TG-CB5C2278 $138.24 Was $175.20

Now$13824
current price Now $138.24, Was $175.20$175.20
Tyger Auto Underseat Storage Box Compatible with 2019-2026 Chevy Silverado GMC Sierra 1500; 2020-2026 2500 3500HD Double & Crew Cab, Black Rear Under Seat Storage Organizer Cargo Box | TG-CB5C2278
94.9 out of 5 Stars. 9 reviews
WeatherTech Under Seat Storage System compatible with 1999-2007 Ford Super Duty, Black $156.95

$15695
current price $156.95WeatherTech Under Seat Storage System compatible with 1999-2007 Ford Super Duty, Black
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

$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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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
DU-HA Ford F-150 Supercab & Supercrew 04-08 Under Seat Storage Organizer, Black $189.95

$18995
current price $189.95DU-HA Ford F-150 Supercab & Supercrew 04-08 Under Seat Storage Organizer, Black
10004.8 out of 5 Stars. 1000 reviews
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
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 $84.99

$8499
current price $84.99KOJEM 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
MRY Underseat Storage Box for 2007-2018 Silverado / 2007-2019 Sierra 1500 / 2500HD / 3500HD Crew Cab, Replacement for #23183674 $95.99

$9599
current price $95.99MRY Underseat Storage Box for 2007-2018 Silverado / 2007-2019 Sierra 1500 / 2500HD / 3500HD Crew Cab, Replacement for #23183674
Kojem Underseat Storage Box Compatible with 2007-2021 Toyota Tundra Double Cab without Subwoofer $94.00

$9400
current price $94.00Kojem Underseat Storage Box Compatible with 2007-2021 Toyota Tundra Double Cab without Subwoofer
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
DEEPCRAFF Black Abs Plastic Car Storage Box 1Set With Cup Holding Function For Drivers $15.79

$1579
current price $15.79DEEPCRAFF Black Abs Plastic Car Storage Box 1Set With Cup Holding Function For Drivers
Kojem Under Seat Storage Box Organizer Black for 2007-2019 Chevy Silverado GMC Sierra Crew Cab Replaces 23183674 $79.90

$7990
current price $79.90Kojem Under Seat Storage Box Organizer Black for 2007-2019 Chevy Silverado GMC Sierra Crew Cab Replaces 23183674
434.5 out of 5 Stars. 43 reviews
Black Pickup Underseat Storage Box for 07-18 Chevy Silverado 07-19 GMC CREW CAB $109.99

$10999
current price $109.99Black Pickup Underseat Storage Box for 07-18 Chevy Silverado 07-19 GMC CREW CAB
15 out of 5 Stars. 1 reviews
UnderSeat Storage Box For Toyota Tundra 07-21 Double Cab Replace for PT871-34070 $100.71

$10071
current price $100.71UnderSeat Storage Box For Toyota Tundra 07-21 Double Cab Replace for PT871-34070
DNA Motoring 19.5" W X 28.5" H X 12" D 3-Tier Stackable Extendable Handle Trolley Tool Box Yellow $143.99

$14399
current price $143.99DNA Motoring 19.5" W X 28.5" H X 12" D 3-Tier Stackable Extendable Handle Trolley Tool Box Yellow
Husky Liners 09021 Gearbox Storage Box Mounts Under Seat Fits 99-07 Silverado 1500 2500 3500 Extended Cab & Sierra 1500 2500 3500 Extended Cab Black $148.71 Was $169.99

Now$14871
current price Now $148.71, Was $169.99$169.99
Husky Liners 09021 Gearbox Storage Box Mounts Under Seat Fits 99-07 Silverado 1500 2500 3500 Extended Cab & Sierra 1500 2500 3500 Extended Cab Black
6634.7 out of 5 Stars. 663 reviews
Popular in Extended Cab Storage Boxes for Trucks and SUVs with Black Finish
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