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Products > Truck-Tool-Boxes--Equipment > Boxes > Saddle Box > Model 121-0-01 Saddle Box, Aluminum, Full Low Profile, 8.8 cu ft > 121-0-01

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Model 121-0-01 Saddle Box, Aluminum, Full Low Profile, 8.8 cu ft


Saddle Boxes are the most popular truck storage option due to ease of installation, maximum bed clearance and legendary durability. The aluminum Full-Size, low profile Model 121-0-01 Saddle Box features a diamond plate pattern with ARMOR-TUF® Clear Coat finish that ensures years of dependability. It has a storage capacity of 8.8 cu ft.


  • Fits all Full-Size pickups with 8 ft beds
  • Tamper-resistant, retracting EXTREME PROTECTION® Lock helps protect against break-ins
  • 90 degree cover opening for easy access
  • Automotive-style rotary latch features smooth one-touch opening
  • Full weather seal protects against the elements
  • 12 volt access for electrical up-fits
  • Level storage area secures a 48 in level
  • ARMOR-TUF® Clear Coat finish ensures years of dependability
  • Limited lifetime warranty ensures unparalleled quality


FeatureSize / Details
StyleSaddle Box
Box TypeFull Low Profile
Approx. Product Height15 in
Width20-1/4 in
Approx. Product Length71-1/2 in
Vehicle TypeFull-size Pickup
Bed Length5-1/2 ft, 6-1/2 ft, 8 ft
Bed Style - Flare SideNo
Electrical AccessYes
Key AlikeOn Request
Reinforced Loop StrikerYes
Powder Coat FinishYes
Weather SealYes
Approx. Shipping Weight Lbs.80
Approx. Cu. Ft. Per Unit8.8

Package Contents

Part NumberQtyDescription



Additional Saddle Box Models

Model No.Box TypeColorApprox. Product HeightWidthApprox. Product LengthMaterialBuy Online
116-3-02Full Extra WideWhite18-1/2 in27-1/2 in71-1/2 inSteel
116-5-02Full Extra WideGloss Black18-1/2 in27-1/2 in71-1/2 inSteel
117-0-02Full Extra WideClear18-1/2 in27-1/2 in71-1/2 inAluminum
117-3-02Full Extra WideWhite18-1/2 in27-1/2 in71-1/2 inAluminum
117-5-02Full Extra WideGloss Black18-1/2 in27-1/2 in71-1/2 inAluminum
117-52-02Full Extra WideTextured Matte Black18-1/2 in27-1/2 in71-1/2 inAluminum
120-3-01Full Low ProfileWhite15-7/8 in20-1/4 in71-1/2 inSteel
120-5-01Full Low ProfileGloss Black15-7/8 in20-1/4 in71-1/2 inSteel
121-0-01Full Low ProfileClear15 in20-1/4 in71-1/2 inAluminum
121-5-01Full Low ProfileGloss Black15 in20-1/4 in71-1/2 inAluminum
121-52-01Full Low ProfileTextured Matte Black15 in20-1/4 in71-1/2 inAluminum
123-0-01Full Extra DeepClear24 in20-1/4 in71-1/2 inAluminum
123-5-01Full Extra DeepGloss Black24 in20-1/4 in71-1/2 inAluminum
126-3-02Full StandardWhite18-1/2 in20-1/4 in71-1/2 inSteel
126-5-02Full StandardGloss Black18-1/2 in20-1/4 in71-1/2 inSteel
127-0-02Full StandardClear18-1/2 in20-1/4 in71-1/2 inAluminum
127-3-02Full StandardWhite18-1/2 in20-1/4 in71-1/2 inAluminum
127-5-02Full StandardGloss Black18-1/2 in20-1/4 in71-1/2 inAluminum
127-52-02Full StandardTextured Matte Black18-1/2 in20-1/4 in71-1/2 inAluminum
128-3-01Full Extra DeepWhite24 in20-1/4 in71-1/2 inSteel
131-0-01Compact Low ProfileClear18-1/2 in20-1/4 in66 inAluminum
131-5-01Compact Low ProfileGloss Black18-1/2 in20-1/4 in66 inAluminum
136-3-01Compact DeepWhite18-1/2 in20-1/4 in62 inSteel
137-0-01Compact DeepClear18-1/2 in20-1/4 in62 inAluminum
137-5-01Compact DeepGloss Black18-1/2 in20-1/4 in62 inAluminum
154-0-01Compact StandardClear13-1/4 in20-1/4 in62 inAluminum
154-5-01Compact StandardGloss Black13-1/4 in20-1/4 in62 inAluminum
156-3-01Compact StandardWhite13-1/4 in20-1/4 in62 inSteel

what is the correct placement?

Is this the correct model that can be put all the way against your front bed rail and the lid will still open?
Asked by: Anonymous
Yes this box sits under the cab window in the front of the truck bed. You lid will open with ease.
Answered by: Werner Customer Care
Date published: 2014-11-26

Transfer tank with 121-0-01

Do you have a transfer tank that will fit with a 121-0-1 cross box.
Asked by: Anonymous
The L shaped transfer tanks will work with this box
Answered by: Werner Customer Care
Date published: 2017-07-28

How tall is the box above the truck side wall? Need to see over it to hook-up my fith wheel trailer.

Asked by: Anonymous
The measurement of the part that sits on the bed rail is 4 1/2". The part that sits inside the bed measures 10 1/2". Overall height of the box is 15".
Answered by: Werner Customer Care
Date published: 2016-06-21

Short bed 2007 Chevy Z71

Will the Model 121-0-01 Saddle Box, Aluminum, Full Low Profile, 8.8 cu ft fit on my new body style 2007 Chevy Silverado 1500 Z71 with 6.5' bed? The box description states "8 ft bed".
Asked by: Anonymous
Yes the 121-0-01 will fit your model of truck.
Answered by: Werner Customer Care
Date published: 2015-03-27

Will this box fit a 2017 Toyota Tundra 5.5' bed?

Asked by: Anonymous
Answered by: Werner Customer Care
Date published: 2017-07-11

How high will the lid of the 121-0-01 be above the bed rail of my 2015 Chevy 2500 HD with this box

Asked by: Anonymous
This box will sit 4.5" above the bed rail.
Answered by: Werner Customer Care
Date published: 2016-11-29

Have a 2017 Denali crew cab - looking for low profile cross rail box with locks. Can be small volume

Asked by: Anonymous
This 121-0-01 box will fit with your model of truck.
Answered by: Werner Customer Care
Date published: 2017-01-11

Will Model 121-0-01 Saddle Box Fit 2014 Ram 2500 6.5' bed

2014 Ram 2500 Laramie with 6.5' bed.
Asked by: Anonymous
Yes the 121-0-01 will fit your model of truck.
Answered by: Werner Customer Care
Date published: 2014-11-14

will this fit in a 2015 gmc Denali

I'm also looking for a low profile tool box to go this. how are the attachments to the truck? how easy is it to remove the ladder rack ?
Asked by: Anonymous
Yes the 121-0-01 will fit in your model of truck. The boxes will bolt to the bed of the truck. For additional information on your ladder rack please call customer care with the model of your rack. 1-888-523-3370
Answered by: Werner Customer Care
Date published: 2015-02-27


Could you please list all of the saddle type boxes that will fit a 2015 Ford F-150 Super crew? Thank you
Asked by: Anonymous
This varies depending on the size of the bed. The 116-X-02, 126-X-02, 117-X-02, and 127-X-02 fit 5 1/2', 6 1/2', and 8' beds. The 120-X-01 and the 121-X-01 fit the 6 1/2' and 8' beds. The 123-X-01 and the 128-X-01 fit 8' beds.
Answered by: Werner Customer Care
Date published: 2016-03-24
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