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Peterbilt 357/378 Fuel Tank Acc.

Can't find that aftermarket fuel tank part you have been looking for? 4 State Trucks has you covered with our expansive inventory of aftermarket fuel tank parts and accessories for Peterbilt 378 semi trucks. We have everything you need to keep your Peterbilt on the road at 4 State Trucks.
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  • Iowa Customs Stainless Steel Fuel Tank I-Panel 5 4 Inch Light Holes In Body W/ 4 4 Inch Light Holes In Back Panel For Peterbilt

    Iowa Customs Stainless Steel Fuel Tank I-Panel 5 4 Inch Light Holes In Body W/ 4 4 Inch Light Holes In Back Panel For Peterbilt

    IOWA CUSTOMS

    $853.99
    Stainless Steel Fuel Tank I-Panel 5 4 Inch Light Holes In Body W/ 4 4 Inch Light Holes In Back Panel By Iowa Customs Fits PeterbiltUpgrade your truck's exterior styling with this high-quality Iowa...
    01-06020022
    SKU:
    01-06020022
    Light Options:
    Without Lights
    Size Options:
    14 Gauge
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Product Type:
    Fuel Tanks
    Make:
    Peterbilt
    $853.99
    Qty in Cart: 0
    Price:
    $853.99
    Subtotal:
  • Stainless Steel Fuel Tank Filler Panel For Peterbilt 2024 & Older

    Stainless Steel Fuel Tank Filler Panel For Peterbilt 2024 & Older

    ARANDA TRUCK ACCESSORIES

    $524.99 - $556.99
    Choose Option(s) to see description.Fitment* Fits Peterbilt 330 1995 thru 2005* Fits Peterbilt 335 2005 thru 2010* Fits Peterbilt 337 2011 thru 2022* Fits Peterbilt 352 1972 thru 1980* Fits Peterbilt...
    PPR_300588
    SKU:
    PPR_300588
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Product Type:
    Fuel Tanks
    Light Options:
    Without Lights
    Make:
    Peterbilt
    $524.99 - $556.99
    Qty in Cart: 0
    Price:
    $524.99 - $556.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Fuel Tank Safety Vent 1.25 In. Hose I.D. 1/4 In. PTF SAE Short For Peterbilt Replaces 11-03930

    Fuel Tank Safety Vent 1.25 In. Hose I.D. 1/4 In. PTF SAE Short For Peterbilt Replaces 11-03930

    VELVAC

    $55.99
    1.25 Inch Fuel Tank Safety Vent Replaces 11-03930 Fits PeterbiltPrevent damage caused by to much pressure in your diesel tank with this fuel tank safety vent. It features anti-spill protection and...
    01-060302
    SKU:
    01-060302
    Truck Class:
    Heavy Duty
    Product Type:
    Fuel Tanks
    Material Options:
    Plastic/Poly
    Color:
    Black
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $55.99
    Qty in Cart: 0
    Price:
    $55.99
    Subtotal:
  • CSM 1 Inch Fuel Tank Saddle Spacer For Peterbilt

    CSM 1 Inch Fuel Tank Saddle Spacer For Peterbilt

    CHROME SHOP MAFIA

    $139.99
    1 Inch Fuel Tank Saddle Spacer By Chrome Shop MafiaEnsure a secure and level fit for your fuel tank with the 1 Inch Fuel Tank Saddle Spacer by Chrome Shop Mafia. Designed specifically for Peterbilt...
    01-0601030
    SKU:
    01-0601030
    Truck Class:
    Heavy Duty
    Product Type:
    Fuel Tanks
    Make:
    Peterbilt
    Material Options:
    Steel
    Location:
    Made In USA
    $139.99
    Qty in Cart: 0
    Price:
    $139.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Weld-In Curve Style Aluminum Flange With Female Pipe Thread Center

    Weld-In Curve Style Aluminum Flange With Female Pipe Thread Center

    AFTERMARKET

    $12.74
    If your project calls for a weld-in flange with a curved base, the curve-style aluminum flange with female pipe thread center is a straightforward option built for heavy-duty fabrication and repair...
    PPR_200367
    SKU:
    PPR_200367
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Fuel Tanks
    Ready To Ship:
    Yes
    $12.74
    Qty in Cart: 0
    Price:
    $12.74
    Subtotal:
  • Isspro Fuel Sender 240-33 OHMS For 23 Inch Fuel Tanks

    Isspro Fuel Sender 240-33 OHMS For 23 Inch Fuel Tanks

    ISSPRO

    $94.99
    23 Inch Fuel Tank Fuel Sender By IssproIsspro designs the fuel level sender for a 23 inch diameter round tank, operating within a range of 240-33 ohms.* High Quality Fuel Sender* 23 Inch Diameter*...
    29-060329
    SKU:
    29-060329
    Truck Class:
    Heavy Duty
    Style Options:
    Tube
    Product Type:
    Fuel Tanks
    Ready To Ship:
    Yes
    $94.99
    Qty in Cart: 0
    Price:
    $94.99
    Subtotal:
  • FREE SHIPPING OVER $249
    High Flow Return Flow Splitter For Peterbilt, Freightliner, International, Mack, Volvo & Ford

    High Flow Return Flow Splitter For Peterbilt, Freightliner, International, Mack, Volvo & Ford

    TRAMEC SLOAN

    $55.99
    Return Flow Splitters-High FlowThis high-flow return flow splitter is perfect for dual draw/dual return diesel fuel systems. It evenly distributes fuel to both left and right tanks, eliminating the...
    29-060305
    SKU:
    29-060305
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Freightliner
    Make:
    Volvo
    Make:
    Ford
    Make:
    Peterbilt
    Make:
    International
    Make:
    Western Star
    Make:
    Mack
    Product Type:
    Fuel Tanks
    Ready To Ship:
    Yes
    $55.99
    Qty in Cart: 0
    Price:
    $55.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Standard Flow Return Flow Splitter For Peterbilt, Kenworth, Ford, Sterling & Freightliner

    Standard Flow Return Flow Splitter For Peterbilt, Kenworth, Ford, Sterling & Freightliner

    TRAMEC SLOAN

    $48.65
    Return Flow Splitter- Standard FlowImprove fuel distribution with the Standard Flow Return Flow Splitter, engineered for Peterbilt, Kenworth, Ford, Sterling, and Freightliner trucks. This...
    29-060304
    SKU:
    29-060304
    Truck Class:
    Heavy Duty
    Style Options:
    Standard
    Material Options:
    Steel
    Make:
    Kenworth
    Make:
    Freightliner
    Make:
    Peterbilt
    Make:
    Ford
    Make:
    Sterling
    Product Type:
    Fuel Tanks
    Ready To Ship:
    Yes
    $48.65
    Qty in Cart: 0
    Price:
    $48.65
    Subtotal:
  • FREE SHIPPING OVER $249
    Isspro Fuel Sender Rubber Gasket

    Isspro Fuel Sender Rubber Gasket

    ISSPRO

    $13.96
    Fuel Tank Sending Unit Gasket By IssproThe Isspro Fuel Tank Sending Unit Gasket fits many standard SAE 5-hole fuel senders and gauges. Isspro gauges, sensors, and sending units are trusted worldwide...
    09-0603027
    SKU:
    09-0603027
    Truck Class:
    Universal
    Shape Options:
    Round
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Fuel Tanks
    Ready To Ship:
    Yes
    $13.96
    Qty in Cart: 0
    Price:
    $13.96
    Subtotal:
  • 2 inch NPT Female Aluminum Weld On Full Round Flat Flange

    2 inch NPT Female Aluminum Weld On Full Round Flat Flange

    AFTERMARKET

    $18.72
    2 Inch NPT Flanged Weld On Tank Fitting* High Quality Flange Flat* Made Of Aluminum* 2.00 Inch* NPT Weld In Full Round* Sold Individually* Made In USA* Warranty On Flange Flats Against Defects In...
    09-060100000
    SKU:
    09-060100000
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Aluminum
    Product Type:
    Fuel Tanks
    Ready To Ship:
    Yes
    $18.72
    Qty in Cart: 0
    Price:
    $18.72
    Subtotal:
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Adding your products to cart

The Peterbilt 357/378 Fuel Tank Accessories product lineup offers a wide range of high-quality parts and accessories to enhance the functionality and appearance of your semi-truck. This product lineup includes essential items like fuel tanks, safety vents, return flow splitters, mounting brackets, and more. Whether you're looking to upgrade your fuel system, improve storage solutions, or add a touch of style to your rig, this product lineup has you covered. With a focus on durability, performance, and easy installation, these Peterbilt-compatible parts are designed to provide long-lasting solutions for your semi-truck's fuel tank needs. Elevate your truck's capabilities and aesthetics with the premium products in the Peterbilt 357/378 Fuel Tank Accessories product lineup.

Frequently Asked Questions About Peterbilt 357/378 Fuel Tank Acc.

What kinds of products are included in this category?

This category covers fuel tank accessories for Peterbilt 357 and 378 models, including items such as fuel tank straps, brackets, mounting hardware, tank caps, sending unit components, skirts, and fuel tank covers or fairings. These parts are designed to work with the factory fuel tank setup on these truck models.

Will these accessories fit my specific fuel tank size and configuration?

Peterbilt 357 and 378 trucks were built with different fuel tank diameters and lengths depending on the spec, so fit can vary. Before ordering, check the listed dimensions and tank capacity on each product page against your existing tank to confirm compatibility, and reach out to our team if you are unsure.

What materials and finishes are available for these parts?

Depending on the specific accessory, you will find options in aluminum, steel, and stainless steel, with finishes ranging from raw or mill finish to polished or powder-coated. Stainless and polished aluminum options tend to hold up well against road grime and are easier to keep looking clean.

Are these OEM parts or aftermarket replacements?

This category includes a mix of OEM-style replacement parts and aftermarket accessories. Aftermarket parts are typically built to match the fit and function of the original components, but there can be minor differences in appearance or mounting compared to factory parts, so review product details and images closely.

What should I check before installing a new fuel tank strap, bracket, or cover?

Make sure the replacement part matches the mounting hole pattern and tank diameter of your current setup, and inspect your existing hardware for wear or corrosion that may also need replacing. Using the correct torque on straps and brackets is important for keeping the tank secure, so refer to your truck's service manual or consult a qualified technician if you are not familiar with the process.


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