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Peterbilt 379 Fuel Tank Steps

Step up into your cab without a problem with an aftermarket Peterbilt 379 fuel tank step from 4 State Trucks. We carry a range of options, including replacement brackets and complete assemblies. Shop our range of options today!
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  • BESTfit Aluminum 26 X 33 1/2 Inch Fuel Tank Step Assembly Brackets For Peterbilt

    BESTfit Aluminum 26 X 33 1/2 Inch Fuel Tank Step Assembly Brackets For Peterbilt

    BESTFIT TRUCK PARTS

    $364.99
    Aluminum 26 X 33 1/2 Inch Fuel Tank Step Assembly Brackets By BESTfit Fits PeterbiltDesigned for Peterbilt trucks, this BESTfit Aluminum Fuel Tank Step Assembly Bracket offers a durable and reliable...
    01-06010028
    SKU:
    01-06010028
    Availability:
    Ready To Ship
    Height Options:
    33 1/2 Inch
    Finish Options:
    Mill Finish
    Material Options:
    Aluminum
    Width Options:
    26 Inch
    Make:
    Peterbilt
    Product Type:
    Fuel Tanks
    $364.99
    Qty in Cart: 0
    Price:
    $364.99
    Subtotal:
  • Merritt Aluminum Fuel Tank Step Assembly For Peterbilt 379 With 23 Inch Diameter Fuel Tanks

    Merritt Aluminum Fuel Tank Step Assembly For Peterbilt 379 With 23 Inch Diameter Fuel Tanks

    MERRITT

    $693.99 - $702.99
    This Merritt durable and lightweight aluminum Peterbilt fuel tank step assembly is designed to improve accessibility, safety, and convenience while reducing the risk of spills and accidents. It fits...
    PPR_205966
    SKU:
    PPR_205966
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Fuel Tanks
    Diameter Options:
    23 Inch
    Length Options:
    27 Inch
    Location:
    Made In USA
    Availability:
    Ready To Ship
    $693.99 - $702.99
    Qty in Cart: 0
    Price:
    $693.99 - $702.99
    Subtotal:
  • Aluminum Side Step Bracket Replaces 11-03679, 1103679 For Peterbilt W/ 26 Inch Fuel Tank

    Aluminum Side Step Bracket Replaces 11-03679, 1103679 For Peterbilt W/ 26 Inch Fuel Tank

    AUTOMANN USA

    $116.99
    Aluminum Side Step Bracket Fits Peterbilt W/ 26 Inch Fuel Tank Replaces 11-03679, 1103679This aluminum fuel tank step side bracket is designed to fit a 26-inch Peterbilt fuel tank. It has pre-cut...
    01-0604001
    SKU:
    01-0604001
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Fuel Tanks
    Availability:
    Ready To Ship
    $116.99
    Qty in Cart: 0
    Price:
    $116.99
    Subtotal:
  • Merritt 21.50 Inch Aluminum Fuel Tank Step Assembly For Peterbilt 23 Inch Diameter Tanks

    Merritt 21.50 Inch Aluminum Fuel Tank Step Assembly For Peterbilt 23 Inch Diameter Tanks

    MERRITT

    $574.99
    21.5 Inches Long Fuel Tank Step AssemblyBolt on this step assembly over your 23 inch diameter Peterbilt tank for easier access to your rig. The steps are made of aluminum and are 21.5 inches long.*...
    Q00080485C
    SKU:
    Q00080485C
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Aluminum
    Make:
    Peterbilt
    Product Type:
    Fuel Tanks
    $574.99
    Qty in Cart: 0
    Price:
    $574.99
    Subtotal:
  • Merritt Aluminum Fuel Tank Step Assembly For Peterbilt 26 Inch Diameter Fuel Tanks

    Merritt Aluminum Fuel Tank Step Assembly For Peterbilt 26 Inch Diameter Fuel Tanks

    MERRITT

    $619.99 - $667.99
    Upgrade your Peterbilt truck with this rugged and reliable fuel tank step assembly designed for 26 inch diameter tanks, engineered by Merritt. Built from heavy duty aluminum, this step assembly...
    PPR_201923
    SKU:
    PPR_201923
    Truck Class:
    Heavy Duty
    Diameter Options:
    26 Inch
    Material Options:
    Aluminum
    Make:
    Peterbilt
    Length Options:
    27 Inch
    Length Options:
    21 Inch
    Product Type:
    Fuel Tanks
    Availability:
    Ready To Ship
    Position:
    Passenger Side
    $619.99 - $667.99
    Qty in Cart: 0
    Price:
    $619.99 - $667.99
    Subtotal:
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Find Non-Slip Aluminum Steps

This product line features a variety of high-quality aluminum fuel tank steps designed specifically for the 379 model with 23-inch and 26-inch diameter fuel tanks. Whether you need a 19.75-inch, 27.50-inch, or 35.50-inch step, you'll find the perfect fit to match your Peterbilt 379's specifications. Sleek, modern fuel tank steps serve to complement the Peterbilt 379's bold and iconic design.

Frequently Asked Questions About Peterbilt 379 Fuel Tank Steps

Will these fuel tank steps fit my Peterbilt 379?

Fuel tank steps are designed to match specific tank diameters and mounting configurations, so fit can vary depending on the size of your fuel tank and the step style you choose. Be sure to check the listed tank diameter and mounting hole pattern against your truck before ordering, and reach out to our team if you are unsure which option matches your setup.

What materials are these steps made from, and how durable are they?

Peterbilt 379 fuel tank steps are commonly available in aluminum, steel, and stainless steel, each offering a different balance of weight, strength, and corrosion resistance. Aluminum options tend to be lighter, while steel and stainless steel provide added durability for high-mileage trucks that see harsh weather or road conditions.

Do these steps come with a non-slip or textured surface?

Many fuel tank steps feature a diamond plate, punch plate, or textured surface designed to improve traction when climbing up to access the tank or cab. If slip resistance is a priority, look at the product details or images to confirm the tread pattern before purchasing.

Are these steps easy to install, and do they include mounting hardware?

Most fuel tank steps bolt directly onto existing mounting points on the tank straps or brackets, making installation straightforward with basic hand tools. Hardware inclusion varies by product, so check the listing details to see whether mounting bolts and brackets are included or need to be purchased separately.

What finish options are available, and how do they hold up over time?

Finishes typically include raw aluminum, polished, or powder-coated options, each affecting both appearance and long-term maintenance. Polished finishes offer a bright, chrome-like look but may require periodic cleaning to maintain shine, while raw or coated finishes are generally lower maintenance and more resistant to scratches from everyday use.


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