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Peterbilt 389 Fender Mounting & Acc.

Find the best Peterbilt 389 Fender Mounting & Accessories at 4 State Trucks! We have durable fender brackets, reinforcement kits, and mounting sets designed for your Peterbilt 389. Choose from stainless steel, aluminum, and powder-coated steel for long-lasting protection. Whether you need a hidden full fender bracket kit or a single radius fender bracket set, we've got you covered. Keep your truck in top shape with our reliable mounting solutions and shop now!
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  • FREE SHIPPING OVER $249
    Merritt Off Set EZ-Mount Adjustable Fender Bracket With Single Bolt Mount To Frame

    Merritt Off Set EZ-Mount Adjustable Fender Bracket With Single Bolt Mount To Frame

    MERRITT

    $135.99 - $140.99
    Upgrade your truck's fender system with the Merritt Off?Set EZ Mount Adjustable Fender Bracket with Single Bolt Mount to Frame. Designed for quick, secure mounting with just a single bolt to the...
    PPR_201924
    SKU:
    PPR_201924
    Color:
    Black
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Make:
    Universal Items
    Make:
    Dodge
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    $135.99 - $140.99
    Qty in Cart: 0
    Price:
    $135.99 - $140.99
    Subtotal:
  • Merritt Half Fender EZ-Mount Bracket Kit - Black Or Chrome

    Merritt Half Fender EZ-Mount Bracket Kit - Black Or Chrome

    MERRITT

    $396.99 - $413.99
    The Merritt Half Fender EZ?Mount Bracket Kit with 4?Inch Rise are mounting kits designed to support half fenders with a 4-inch rise using Merritt's EZ-Mount bracket system. These kits include...
    PPR_201058
    SKU:
    PPR_201058
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    Position:
    Kit Full
    Type Options:
    Half Fender
    Style Options:
    Bolt On
    Color:
    Black
    Type Options:
    Half
    $396.99 - $413.99
    Qty in Cart: 0
    Price:
    $396.99 - $413.99
    Subtotal:
  • FREE SHIPPING OVER $249
    WTI Fiberglass Fenders SS Wide Mounting Plate, 5 x 20 Inch by CSM

    WTI Fiberglass Fenders SS Wide Mounting Plate, 5 x 20 Inch by CSM

    CHROME SHOP MAFIA

    $39.79
    Wide Stainless Steel Mounting Plate By Chrome Shop MafiaDid You Order A Set Of WTI Fiberglass Fenders For Your Truck? Check Out These Chrome Shop Mafia Custom Stainless Steel Wide Mounting Plate...
    CSM520
    SKU:
    CSM520
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    20 Inch
    Height Options:
    5 Inch
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    $39.79
    Qty in Cart: 0
    Price:
    $39.79
    Subtotal:
  • FREE SHIPPING OVER $249
    Merritt 3 Inch Offset Fender Bracket Adapter

    Merritt 3 Inch Offset Fender Bracket Adapter

    MERRITT

    $193.99
    3 Inch Offset Fender Bracket AdapterCompatible with most major brand fender baskets, this high quality aftermarket pair of 3 inch offset fender bracket adapters can easily replace existing smaller...
    5792
    SKU:
    5792
    Length Options:
    3 Inch
    Make:
    Universal Items
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    $193.99
    Qty in Cart: 0
    Price:
    $193.99
    Subtotal:
  • Merritt 8 Inch Fender Mount Post

    Merritt 8 Inch Fender Mount Post

    MERRITT

    $53.99
    8 Inch Powder-Coated Fender Mount Post By MerrittAchieve optimal fender alignment with the Merritt 8 Inch Fender Mount Post, designed for strength, durability, and precise adjustability. Crafted from...
    5732
    SKU:
    5732
    Length Options:
    8 Inch
    Truck Class:
    Heavy Duty
    Product Type:
    Rear Fenders
    Color:
    Black
    Finish Options:
    Black Powder Coat
    Material Options:
    Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Narrow Mounting Strip For Fiberglass Fenders

    Stainless Steel Narrow Mounting Strip For Fiberglass Fenders

    WTI FENDERS

    $11.01
    SS Mounting Strip For Fiberglass Fenders* High Quality Mounting Strip * Made of Stainless Steel* Narrow* For Fiberglass Fenders * Sold Individually * Made In USA* Warranty on Mounting Strip against...
    320
    SKU:
    320
    Truck Class:
    Universal
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    $11.01
    Qty in Cart: 0
    Price:
    $11.01
    Subtotal:
  • Fiberglass Fender Bracket Kit For Neway Suspension

    Fiberglass Fender Bracket Kit For Neway Suspension

    WTI FENDERS

    $1,383.99
    WTI Fiberglass Fender Bracket Kit* High Quality Fender Bracket Kit* For Neway Suspension * Will Work For 2 Pair Of Fiberglass WTI Fenders* For The Lift Axle Kit Use 01-11329* Made In USA* Sold As...
    29-113100001
    SKU:
    29-113100001
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Rear Fenders
    $1,383.99
    Qty in Cart: 0
    Price:
    $1,383.99
    Subtotal:
  • Fiberglass Fender Bracket Kit For Full Fenders For Peterbilt Flex Air & Kenworth AG380

    Fiberglass Fender Bracket Kit For Full Fenders For Peterbilt Flex Air & Kenworth AG380

    WTI FENDERS

    $1,055.99
    Fender Bracket Kit Fits Peterbilt Flex Air And Kenworth AG380* High Quality Fender Bracket* Made Of Steel* Welding Required For Installation* Designed For WTI Fiberglass Full Fenders* Sold As Kit*...
    29-11300
    SKU:
    29-11300
    Make:
    Kenworth
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Location:
    Made In USA
    Material Options:
    Steel
    Type Options:
    Full
    Product Type:
    Rear Fenders
    $1,055.99
    Qty in Cart: 0
    Price:
    $1,055.99
    Subtotal:
  • Mounting Bracket Kit For Single Radius Fiberglass Fenders For Peterbilt Low Air Leaf Suspension

    Mounting Bracket Kit For Single Radius Fiberglass Fenders For Peterbilt Low Air Leaf Suspension

    SHIFT PRODUCTS

    $1,564.99
    Bracket Kit For Single Radius Fiberglass Fenders On Peterbilt Low Air Leaf Suspension. Mounts 4 Fenders* High Quality Bracket Kit* Mounts 4 Fenders* For Single Radius Fiberglass Fenders* Sold As Set*...
    29-11116
    SKU:
    29-11116
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Peterbilt
    Product Type:
    Rear Fenders
    $1,564.99
    Qty in Cart: 0
    Price:
    $1,564.99
    Subtotal:
  • CSM Single Radius Fender Bracket Set For Peterbilt Flex Air & Kenworth AG380 Suspensions 2003 & Newer

    CSM Single Radius Fender Bracket Set For Peterbilt Flex Air & Kenworth AG380 Suspensions 2003 & Newer

    CHROME SHOP MAFIA

    $819.99
    Fender Bracket Set For Single Radius Fits PACCAR Flex Air And AG380 Suspensions By Chrome Shop Mafia* Made Of High Quality Steel* Driver/Passenger Side* Will Need Painted Or Powered-Coated Once...
    29-11114
    SKU:
    29-11114
    Make:
    Peterbilt
    Make:
    Kenworth
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Steel
    Type Options:
    Full Radius
    Product Type:
    Rear Fenders
    $819.99
    Qty in Cart: 0
    Price:
    $819.99
    Subtotal:
  • Single Radius Fender Bracket Set For Models W/ & , By CSM For Peterbilt Low Air Leaf & Kenworth AG400L Suspensions 2005 & Newer

    Single Radius Fender Bracket Set For Models W/ & , By CSM For Peterbilt Low Air Leaf & Kenworth AG400L Suspensions 2005 & Newer

    CHROME SHOP MAFIA

    $639.99
    Fender Bracket Set For Single Radius Fits PACCAR Low Air Leaf And AG400L Suspensions By Chrome Shop Mafia* High Quality Single Radius Fender Bracket* Made Of Steel* Driver/Passenger Side* Will Need...
    29-11113
    SKU:
    29-11113
    Make:
    Peterbilt
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Location:
    Made In USA
    Material Options:
    Steel
    Type Options:
    Full Radius
    Product Type:
    Rear Fenders
    $639.99
    Qty in Cart: 0
    Price:
    $639.99
    Subtotal:
  • CSM Full Fender Bracket Set For Peterbilt Flex Air & Kenworth AG380 Suspensions 2003 & Newer

    CSM Full Fender Bracket Set For Peterbilt Flex Air & Kenworth AG380 Suspensions 2003 & Newer

    CHROME SHOP MAFIA

    $782.99
    Full Fender Bracket Set For Full Fenders Fits PACCAR Flex Air And AG380 Suspensions By Chrome Shop Mafia* Made Of High Quality Steel* Driver/Passenger Side* Will Need Painted Or Powder-Coated Once...
    29-11112
    SKU:
    29-11112
    Make:
    Peterbilt
    Make:
    Kenworth
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Steel
    Type Options:
    Full
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    $782.99
    Qty in Cart: 0
    Price:
    $782.99
    Subtotal:
  • Full Fender Bracket Set By CSM For Peterbilt Low Air Leaf & Kenworth AG400L Suspensions 2005 & Newer

    Full Fender Bracket Set By CSM For Peterbilt Low Air Leaf & Kenworth AG400L Suspensions 2005 & Newer

    CHROME SHOP MAFIA

    $471.99
    Custom Full Fender Bracket Set Fits Low Air Leaf And AG400L Paccar Suspensions By Chrome Shop Mafia* High Quality Full Fender Bracket * Made Of Steel* Driver/Passenger Side* Will Need Painted Or...
    29-11111
    SKU:
    29-11111
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Make:
    Kenworth
    Location:
    Made In USA
    Material Options:
    Steel
    Type Options:
    Full
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    $471.99
    Qty in Cart: 0
    Price:
    $471.99
    Subtotal:
  • Peterbilt & Kenworth Half Fender Mounting Bracket Set By CSM For Peterbilt Flex Air & Kenworth AG380 Suspensions 2005 & Newer

    Peterbilt & Kenworth Half Fender Mounting Bracket Set By CSM For Peterbilt Flex Air & Kenworth AG380 Suspensions 2005 & Newer

    CHROME SHOP MAFIA

    $487.99
    Bracket Set For Half Fenders For PACCAR Flex Air And AG380 Suspensions By Chrome Shop MafiaLooking for a Fender Mounting Bracket Set for your 1/2 fenders? Our set is designed to fit perfectly with...
    29-11110
    SKU:
    29-11110
    Make:
    Peterbilt
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Location:
    Made In USA
    Material Options:
    Steel
    Type Options:
    Half
    Product Type:
    Rear Fenders
    $487.99
    Qty in Cart: 0
    Price:
    $487.99
    Subtotal:
  • Peterbilt & Kenworth Half Fender Mounting Bracket Set, By CSM For Peterbilt New Style Lo Air Leaf & Kenworth AG400L Suspensions 2005 & Newer

    Peterbilt & Kenworth Half Fender Mounting Bracket Set, By CSM For Peterbilt New Style Lo Air Leaf & Kenworth AG400L Suspensions 2005 & Newer

    CHROME SHOP MAFIA

    $318.99
    Half Fender Bracket Set For Paccar Low Air Leaf And AG400L Suspensions By Chrome Shop MafiaSecurely mount your half fenders with the reliable Chrome Shop Mafia Fender Mounting Bracket Set. This...
    29-11109
    SKU:
    29-11109
    Make:
    Peterbilt
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Location:
    Made In USA
    Material Options:
    Steel
    Type Options:
    Half
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    $318.99
    Qty in Cart: 0
    Price:
    $318.99
    Subtotal:
  • Single Radius Fiberglass Fender Bracket Kit For Peterbilt Low Airleaf & Kenworth Ag400L Suspension Systems

    Single Radius Fiberglass Fender Bracket Kit For Peterbilt Low Airleaf & Kenworth Ag400L Suspension Systems

    SHIFT PRODUCTS

    $1,200.99
    Bracket Kit For Single Radius Fiberglass Fenders* High Quality Bracket Kit* Mounts 4 Fenders* For Single Radius Fiberglass Fenders* Sold As Set* Warranty On Bracket Kits Against Defects In...
    29-1110001
    SKU:
    29-1110001
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Rear Fenders
    $1,200.99
    Qty in Cart: 0
    Price:
    $1,200.99
    Subtotal:
  • Merritt EZ-Mount Fender Bracket Frame Spacer

    Merritt EZ-Mount Fender Bracket Frame Spacer

    MERRITT

    $15.67
    Black Fender Bracket Frame Spacer- EZ Mount By MerrittSimplify fender installation and achieve perfect alignment with the Merritt EZ-Mount Fender Bracket Frame Spacer. Designed for stepped or uneven...
    1560
    SKU:
    1560
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $15.67
    Qty in Cart: 0
    Price:
    $15.67
    Subtotal:
  • 1520 Bolt Kit For EZ-Mount Fenders - Includes 8 Bolts

    1520 Bolt Kit For EZ-Mount Fenders - Includes 8 Bolts

    MERRITT

    $25.75
    Bolt Kit For EZ-Mount Fenders* High Quality Bolt Kit* For EZ - Mount Fenders* Kit Includes 8 Bolts * Sold Individually* Warranty On Bolt Kits Against Defects In Workmanship & Material From Date Of...
    1520
    SKU:
    1520
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Rear Fenders
    $25.75
    Qty in Cart: 0
    Price:
    $25.75
    Subtotal:
  • FREE SHIPPING OVER $249
    3/4 X 2.5 Inch Long Bolt For Fender Stub

    3/4 X 2.5 Inch Long Bolt For Fender Stub

    AFTERMARKET

    $8.31
    Fine Thread Hex Head BoltThis bold is used for fender stud mounts. It is 3/4 inches in diameter and 2.5 inches long.* High Quality Bolt* Made of Medium Carbon Alloy Steel* For Fender Stud Mounts*...
    118992
    SKU:
    118992
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    $8.31
    Qty in Cart: 0
    Price:
    $8.31
    Subtotal:
  • Stainless Steel Small WTI Fender Trim

    Stainless Steel Small WTI Fender Trim

    PHOENIX DESIGN

    $46.68
    Stainless Steel Small WTI Fender TrimEnhance your vehicle's look with our SS Small WTI Fender Trim, crafted from durable stainless steel. This universal trim piece is sold individually and fits a...
    09-127000001
    SKU:
    09-127000001
    Location:
    Made In USA
    Truck Class:
    Universal
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Hood Parts & Acc.
    $46.68
    Qty in Cart: 0
    Price:
    $46.68
    Subtotal:
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Adding your products to cart

The Peterbilt 389 Fender Mounting & Accessories product line offers a variety of products for customizing and maintaining fenders. It includes mounting brackets, fender covers, and hardware for air leaf and low air suspension models. Options include stainless steel, powder-coated, and composite brackets, along with decorative covers. Features include durable, rust-resistant construction, easy installation, and various finishes to match your truck’s style. Whether replacing parts or upgrading the look, this product line provides everything needed for Peterbilt 389 fender maintenance.

Frequently Asked Questions About Peterbilt 389 Fender Mounting & Acc.

What is included in this category?

This category covers the hardware and components used to mount and support fenders on a Peterbilt 389, including fender brackets, mounting arms, hangers, braces, hardware kits, and related mounting accessories. These parts are designed to secure half-fenders or full fenders to the truck's frame or steer axle assembly.

Will these mounting parts fit my specific Peterbilt 389 setup?

Most items in this category are designed specifically for the Peterbilt 389 chassis, but fit can vary depending on your fender style, axle configuration, and whether you are running half-fenders or full-length fenders. Always check the product description for stated compatibility, and compare measurements against your current setup or factory specs before ordering.

What materials are these fender mounting brackets made from, and how well do they hold up?

Fender mounting brackets and arms are typically made from steel or aluminum, with steel offering added strength for heavier fenders and aluminum offering reduced weight and corrosion resistance. Many parts come with a raw, polished, or powder-coated finish. Choosing a finish that matches your truck's other components can help with long-term appearance and corrosion resistance, especially in areas with heavy road salt or moisture exposure.

Are these mounts strong enough to handle vibration and road conditions without cracking or loosening?

Fender mounting hardware is built to support the weight and movement of fenders under normal highway and off-highway conditions. That said, vibration over time can loosen bolts or stress brackets, so it's a good practice to periodically check torque on mounting hardware and inspect brackets for cracks or wear, particularly if you drive rough roads or haul off-road frequently.

Do I need any special tools or professional installation to mount these brackets?

Most fender mounting brackets and arms are designed for a straightforward bolt-on installation using basic hand tools such as wrenches and sockets. Some setups may require drilling or minor fabrication depending on your fender style and existing mounting points. If you're unsure about alignment or your truck has non-standard modifications, having a qualified technician assist with installation can help ensure proper fit and fender stability.


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