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Peterbilt 379 Mud Flaps & Rear Frame

 Just because it’s on the back of your truck, doesn’t mean you have to leave it behind! Choose from our large selection of DOT-required mud flaps, mud flap accessories, deck plates, entry steps, mounting hardware, and more. When it comes to our Peterbilt 379 mud flaps, we have designs and styles to suit everyone. And, you can add more to it with our weights and lights to complete your truck’s unique look. Looking for something else to touch up that Peterbilt 379 rear frame? We also have rear center light panels with LEDs, spare tire carriers, hose racks, airline boxes, and just about everything else you can think of. Our team would love to help you find what you need: give us a call or shop online today!

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  • On Sale
    Top Mud Flap Plate Hardware
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    Top Mud Flap Plate Hardware

    United Pacific

    $5.12 - $5.94
    Top Mudflap Plate Hardware Top Mud Flap Plate Hardware Welded Stud Hardware Includes 4 Nuts & 4 Washers Bolt Thru Hardware Includes 4 Bolts, 4 Nuts, 4 Washers, & 4 Rubber Inserts Sold As Kit Quality Made Product California Prop 65 WARNING: This...
    $5.12 - $5.94
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  • On Sale
    Top Mud Flap Plate - 2" X 24"
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    Top Mud Flap Plate - 2" X 24"

    United Pacific

    $10.82 - $14.91
    Top Mudflap Plate - 2" X 24" Top Mud Flap Plate - 2" X 24" Avaiable In Chrome Or Stainless Steel Mounting Hardware Included Sold As Each Quality Made Product California Prop 65 WARNING: This product may expose you to a chemical known to the State of...
    $10.82 - $14.91
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  • On Sale
    Louvered Top Mud Flap Plate 2" x 24"
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    Louvered Top Mud Flap Plate 2" x 24"

    United Pacific

    MSRP: $14.49
    $13.77
    Top Mudflap Plate - Louvered Top Mud Flap Plate - Louvered Size: 2" x 24" Bolt Through Mounting Stud Mouting Hardware Included Available In Chrome Sold Individually Quality Made Product California Prop 65 WARNING: This product may expose...
    MSRP: $14.49
    $13.77
    Add to Cart
  • On Sale
    Chrome Top Mud Flap Plate With 11 LED Light Bar Chrome Top Mud Flap Plate With 11 LED Light Bar - Amber/Amber w/ Bezel
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    Chrome Top Mud Flap Plate With 11 LED Light Bar

    United Pacific

    $43.95 - $46.95
    Chrome Top Mudflap Plate With 11 LED Light Bar Chrome Top Plate With 11 LED Light Bar Stud Mounted Available With Amber Or Red LEDs In Colored Or Clear Lens Available With Or Without Chrome Bezel Sold Individually Quality Made Product The chrome top...
    $43.95 - $46.95
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  • On Sale
    Stainless Top Mud Flap Light Brackets With LED Lights Marker Light - Red LED / Clear Lens with Rubber Grommet Stainless Top Mud Flap Light Brackets With LED Lights Marker Light - Red LED / Red Lens with Chrome Visor Bezel
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    Stainless Top Mud Flap Light Brackets With LED Lights

    United Pacific

    $81.95 - $95.95
    Stainless Top Mud Flap Light Brackets With LED Lights Top Mud Flap Light Brackets Available In Multiple Different Styles (Choose Options Above) Sold As Each Lights Are 2" Round LED's Made From High Quality Stainless Steel Quality Made Product ...
    $81.95 - $95.95
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  • On Sale
    Stainless Top Mud Flap Light Brackets with 4" Light Cutouts Stainless Top Mud Flap Light Brackets with 4" Light Cutouts (Dimensions)
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    Stainless Top Mud Flap Light Brackets - 4" Light Cutout

    United Pacific

    MSRP: $61.95
    $58.85
    Stainless Top Mudflap Light Brackets - 4" Light Cutout X 3 Top Mud Flap Light Brackets - 4" Light Cutout X 3 Made From High Quality Stainless Steel Sold Individually Quality Made Product California Prop 65 WARNING: This product may expose you to a...
    MSRP: $61.95
    $58.85
    Add to Cart
  • On Sale
    Standard Cast Mount For Mud Flap Hangers Standard Cast Mount For Mud Flap Hangers
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    Standard Cast Mount For Mud Flap Hangers

    United Pacific

    MSRP: $6.09
    $5.79
    Standard Cast Mount For Mudflap Hangers Standard Cast Mount For Mud Flap Hanger Fits Most Models Black Primer, One-Piece Mount Holds 0.64" Square Mud Flap Arm 2" Bolt Spacing Mud Flap Arm Not Included Sold Individually Quality Made Product California...
    MSRP: $6.09
    $5.79
    Add to Cart
  • On Sale
    Black Angled Mud Flap Hanger - 4 Styles Black Angled Mud Flap Hanger - 4 Styles
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    Black Angled Mud Flap Hanger - 4 Styles

    United Pacific

    $35.10 - $51.25
    Black Angled Mudflap Hanger - 4 Styles Black Angled Mud Flap Hanger Fits Most Models Choose Form 0 To 3 Loops (see at checkout) 0.64" Square Spring Steel Arm Approximately 28" Long Adjustable Clips & Bolts Included Sold As A Pair Quality Made Product ...
    $35.10 - $51.25
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  • On Sale
    Black Straight Mud Flap Hanger - Default Black Straight Mud Flap Hanger - 1 Coil
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    Black Straight Mud Flap Hanger - 4 Styles

    United Pacific

    $31.30 - $89.25
    Black Straight Mudflap Hanger - 4 Styles Black Straight Mud Flap Hanger Fits Most Models Choose From 0 To 3 Loops (Choose Above) Mounting Kit Available (Choose Above) 0.64" Square Spring Steel Arm Approximately 29 3/4"" Long Adjustable Clips...
    $31.30 - $89.25
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  • On Sale
    30" Black Economy Heavy Duty Mud Flap Hanger 45 Degree Angle
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    30" Black Economy Heavy Duty Mud Flap Hanger 45 Degree Angle

    United Pacific

    MSRP: $110.95
    $105.40
    30" Black Economy Heavy Duty Mudflap Hanger 45 Degree Angle 30" Spring Loaded 45 Degree Angle Mud Flap Hanger Fits Most Models Black Powder Coated Steel Finish 2 1/2" Bolt Spacing Sold As Pair Quality Made Product California Prop 65 WARNING: This...
    MSRP: $110.95
    $105.40
    Add to Cart
  • 2" x 24" Top Flap Accent Trims 2" x 24" Top Flap Accent Trims On Truck
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    2" x 24" Top Flap Accent Trims By RoadWorks

    RoadWorks

    $44.35
    2" x 24" Top Flap Accent Trims Top Flap Accent Trims Stainless Steel Made Includes Hardware Sold As A Pair Quality Made Product If you should need additional Truck Parts and Accessories, please don't hesitate to call our toll-free number...
    $44.35
    Add to Cart
  • 24" USA Flap Weights With Back
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    24" USA Flap Weights With Back By RoadWorks

    RoadWorks

    $76.74
    24" USA Flap Weights With Back 24" USA Flap Weights With Back Universal Fit Sold As A Pair Quality Made Product The 24" USA mud flap weight with back has a universal fit. It is sold as a pair. If you should need additional Truck Parts and Accessories,...
    $76.74
    Add to Cart
  • 24" Flame Flap Weights With Back
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    24" Flame Flap Weights With Back By RoadWorks

    RoadWorks

    $76.74
    24" Flame Flap Weights With Back 24" Flame Flap Weights With Back Universal Fit Sold As A Pair Quality Made Product The 24" flame flap weight with back has a universal fit. It is sold as a pair. If you should need additional Truck Parts and...
    $76.74
    Add to Cart
  • Rear Bumper Center Panel - Light Holes w/ Trailer and 2 7-Way Holes Rear Bumper Center Panel - No Lights w/ Trailer and 2 7-Way Holes
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    Rear Bumper Center Panel By Iowa Customs

    Iowa Customs

    $499.95 - $665.95
    Rear Bumper Center Panel By Iowa Customs *Images for Reference Only - Product May Differ According to Option Chosen Above Rear Bumper Center Panel By Iowa Customs Fits Peterbilt 379 and 389 Model Trucks Specially Designed Gusset System...
    $499.95 - $665.95
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  • 24" Eagle Mud Flap Weights With Back
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    24" Eagle Mud Flap Weights With Back By RoadWorks

    RoadWorks

    $76.74
    24" Eagle Mudflap Weights With Back 24" Eagle Mud Flap Weight With Back Universal Fit Sold As A Pair Quality Made Product The 24" eagle mud flap weight with back has a universal fit. It is sold as a pair. If you should need additional Truck Parts and...
    $76.74
    Add to Cart
  • On Sale
    Replacement Mud Flap Hanger Spring
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    Replacement Mud Flap Hanger Spring

    United Pacific

    MSRP: $31.95
    $30.35
    Replacement Spring For Spring Loaded Mudflap Hanger Replacement Spring for Spring Loaded Mud Flap Hanger Overall Length: 14 5/16" Spring Length: 11" Sold As 1 Piece Quality Made Product California Prop 65 WARNING: This product may expose you to a...
    MSRP: $31.95
    $30.35
    Add to Cart
  • On Sale
    Straight Conspicuity Reflector Plate
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    Straight Conspicuity Reflector Plate

    United Pacific

    MSRP: $37.95
    $36.05
    Aluminum Straight Conspicuity Reflector Plate For Straight Mud Flap Hanger Straight Conspicuity Reflector Plate Mounts Under Mud Flap Hanger Made Of Aluminum Sold As A Pair Quality Made Product The straight conspicuity reflector plate mounts under mud...
    MSRP: $37.95
    $36.05
    Add to Cart
  • On Sale
    Light Duty 30" Spring Loaded Mud Flap Hanger Stainless Steel Light Duty 30" Spring Loaded Mud Flap Hanger Chrome
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    Light Duty 30" Spring Loaded Mud Flap Hanger

    United Pacific

    $117.75 - $182.35
    30" Spring Loaded Straight Mudflap Hanger With 1 1/8" Spacing Light Duty 30" Spring Loaded Straight Mud Flap Hanger 1 1/8" Bolt Spacing Fits Most Models Closed End Caps Sold As Pair Quality Made Product California Prop 65 WARNING: This product may...
    $117.75 - $182.35
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  • Universal Semi Truck TuffDeck Deck Plate 32 x 32 Universal Semi Truck TuffDeck Deck Plate 32 x 32
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    Universal Semi Truck TuffDeck Deck Plate

    Automann

    $356.68 - $358.75
    Universal Semi Truck TuffDeck Deck Plate Universal Semi Truck TuffDeck Deck Plate Made With Injection Molded HDPE (High Density Polyethylene) Lightweight For Safe Mounting And Superior Load Capacity Made for Superior Grip, Durability And Safety...
    $356.68 - $358.75
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  • Universal Merritt Aluminum Deck Plate Universal Merritt Aluminum Deck Plate (Side)
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    Universal Aluminum Merritt Deck Plate

    Merritt Aluminum Products

    $174.25 - $587.95
    Merritt Aluminum Deck Plate Make it easy to get around your cab or sleeper without falling through the frame with this universal flush-mount Merritt deck plate! Merritt Aluminum Deck Plate Width: 30.25" Available in Several Lengths*: 18.5" / 28"...
    $174.25 - $587.95
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  • Heavy Duty Adjustable Wheel Step - Default Heavy Duty Adjustable Wheel Step - Dimensions 21.75" x 7
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    Heavy Duty Adjustable Wheel Step

    Automann

    $91.46 - $139.30
    Heavy Duty Adjustable Truck Wheel Step Increase your safety, reach & access when working on your big rig's engine with our Truck Service Wheel Step! Adjustable Service Folding Wheel Step Step Fits Over Wheel For Temporary Use Helps Reach Under...
    $91.46 - $139.30
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  • Lifetime 21MM Volvo Frame Top Hat Nut Cover
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    Lifetime 21MM Volvo Frame Top Hat Nut Cover

    Lifetime Nut Covers

    $2.15
    Lifetime 21MM Volvo Frame Top Hat Nut Cover 21 MM Top Hat Nut Cover Chrome Plastic Fits Volvo Frames Fits Standard Nuts & Metric Nuts Sold Individually Quality American Made Product Lifetime's nut covers are known for being the original...
    $2.15
    Add to Cart
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