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Mack CV/GU Truck Frame & Chassis

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  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • U-Bolt Plate 3-1/2 Inch Replaces R309613

    U-Bolt Plate 3-1/2 Inch Replaces R309613

    AUTOMANN USA

    $8.09
    U-Bolt Plate 3-1/2 Inch* High Quality U-Bolt Plate* Dimensions:  - C To C- 3.50 Inch  - Thickness- 0.50 Inch  - 2 Holes- 0.685 Inch* 2 Holes- 0.685 Inch* Sold Individually* Warranty On U-Bolt Plates...
    29-05090041
    SKU:
    29-05090041
    Length Options:
    3 Inch
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $8.09
    Qty in Cart: 0
    Price:
    $8.09
    Subtotal:
  • Spring Riser-Spacer Block 5.75 X 3.5 X 1 Inch Replaces 13QK244AP8, 338-2306.

    Spring Riser-Spacer Block 5.75 X 3.5 X 1 Inch Replaces 13QK244AP8, 338-2306.

    AUTOMANN USA

    $23.12
    1 Inch Lift Block- Spacer Plate For 3.5 Inch Springs* High Quality Spacer Block* Dimensions:  - 1.0 In Height  - Length- 5.75 Inch  - Width- 3.50 Inch* Sold Individually* Warranty On Spacer Blocks...
    11-05090011
    SKU:
    11-05090011
    Product Type:
    Frame & Chassis
    Width Options:
    3 Inch
    Truck Class:
    Heavy Duty
    Length Options:
    5 Inch
    Make:
    Mack
    Height Options:
    1 Inch
    $23.12
    Qty in Cart: 0
    Price:
    $23.12
    Subtotal:
  • Spring Riser-Spacer Block 6 X 3 X 1.5 Inch With 0.77 Inch Hole Underneath

    Spring Riser-Spacer Block 6 X 3 X 1.5 Inch With 0.77 Inch Hole Underneath

    AFTERMARKET

    $53.99
    1.5 Inch Lift Block- Spacer Plate For 3 Inch Springs* High Quality Spring Riser Block* Dimensions:   - Length- 6.00 Inch  - Width- 3.00 Inch  - Height- 1.50 Inch  - Hole Underneath- 0.77 Inch* Made...
    09-05090020
    SKU:
    09-05090020
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Length Options:
    6 Inch
    Width Options:
    3 Inch
    Height Options:
    1 1/2 Inch
    Make:
    Universal Items
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • Spring Riser-Spacer Block 6 X 3 X 2-3/8 Inch With 3/4 Inch Center Post, 0.77 Inch Hole Underneath

    Spring Riser-Spacer Block 6 X 3 X 2-3/8 Inch With 3/4 Inch Center Post, 0.77 Inch Hole Underneath

    AFTERMARKET

    $91.99
    2 3/8 Inch Lift Block- Spacer Plate For 3 Inch SpringsMaintain truck stability and performance with this Spring Riser-Spacer Block, designed to reinforce and elevate leaf springs for heavy-duty...
    09-05090022
    SKU:
    09-05090022
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Width Options:
    3 Inch
    Length Options:
    6 Inch
    Make:
    Universal Items
    $91.99
    Qty in Cart: 0
    Price:
    $91.99
    Subtotal:
  • Spring Riser-Spacer Block 7 X 2.5 X 1 Inch W/ 5/8 Inch Center Post

    Spring Riser-Spacer Block 7 X 2.5 X 1 Inch W/ 5/8 Inch Center Post

    AUTOMANN USA

    $20.81
    1 Inch Lift Block- Spacer Plate For 2.5 Inch Springs* High Quality Spring Riser Block* Dimensions:  - 7.0In Lg.  - 2-1/2In Wd.   - 1.0In Thk* With 5/8In Center Post* Sold Individually* Warranty On...
    09-05090058
    SKU:
    09-05090058
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Width Options:
    2 Inch
    Length Options:
    7 Inch
    Make:
    Universal Items
    $20.81
    Qty in Cart: 0
    Price:
    $20.81
    Subtotal:
  • Spring Riser-Spacer Block 7 X 3 X 1 Inch With 9/16 Inch Center Post

    Spring Riser-Spacer Block 7 X 3 X 1 Inch With 9/16 Inch Center Post

    BESTFIT TRUCK PARTS

    $28.10
    Leveling Lift Block* High Quality Spring Riser Block* Dimensions:  - 7.0 Inch Length   - 3.00 Inch Width  - 1.0 Inch Thick* With 9/16 Inch Center Post* Sold Individually* Warranty On Spring Riser...
    09-05090015
    SKU:
    09-05090015
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Width Options:
    3/4 Inch
    Length Options:
    7 Inch
    Make:
    Universal Items
    $28.10
    Qty in Cart: 0
    Price:
    $28.10
    Subtotal:
  • Spring Riser-Spacer Block 6 X 3 X 1 Inch With 1.79 Inch Hole Underneath

    Spring Riser-Spacer Block 6 X 3 X 1 Inch With 1.79 Inch Hole Underneath

    AUTOMANN USA

    $27.20
    1 Inch Lift Block- Spacer Plate For 3 Inch Springs* High Quality Spring Riser Block* Dimensions:  - Length- 6.00 Inch  - Width- 3.00 Inch  - Height- 1.00 Inch  - Hole Underneath- 0.79 Inch* Sold...
    09-05090019
    SKU:
    09-05090019
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Width Options:
    3 Inch
    Length Options:
    6 Inch
    Height Options:
    1 Inch
    Make:
    Universal Items
    $27.20
    Qty in Cart: 0
    Price:
    $27.20
    Subtotal:
  • Spring Riser-Spacer Block 7 X 3 X 1 Inch With 3/4 Inch Center Post

    Spring Riser-Spacer Block 7 X 3 X 1 Inch With 3/4 Inch Center Post

    BESTFIT TRUCK PARTS

    $37.10
    Leveling Lift Block* High Quality Spring Riser Block* Dimensions:  - 7.0 Inch Length   - 3.00 Inch Width  - 1.0 Inch Thick* With 3/4 Inch Center Post* Sold Individually* Warranty On Spring Riser...
    09-05090016
    SKU:
    09-05090016
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Width Options:
    3 Inch
    Length Options:
    7 Inch
    Make:
    Universal Items
    $37.10
    Qty in Cart: 0
    Price:
    $37.10
    Subtotal:
  • Round U-Bolt Kit 7/8 X 3 X 16.5 Inch

    Round U-Bolt Kit 7/8 X 3 X 16.5 Inch

    AFTERMARKET

    $85.99
    7/8 X 3 X 16.5 Inch Round U-Bolt Kit* High Quality U-Bolt Kit* Kit Includes:  - (2) U Bolts (Round Bend)  - Grade 5  - 16.50 Inch Overall Length  - 6.00 Inch Of 7/8 Inch - 14 Thread  - 3.00 Inch...
    29-05100352
    SKU:
    29-05100352
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Width Options:
    3 Inch
    Length Options:
    16 1/2 Inch
    Material Options:
    Steel
    $85.99
    Qty in Cart: 0
    Price:
    $85.99
    Subtotal:
  • Side Bar Advance Mixer Replaces 4006002, 1138109, 13131 For Advance Mixer

    Side Bar Advance Mixer Replaces 4006002, 1138109, 13131 For Advance Mixer

    BESTFIT TRUCK PARTS

    $30.34
    Advance Mixer Side Bar* High Quality Side Bar* Dimensions:  - Length- 5.344 Inch  - Width- 2.00 Inch  - C To C- 3.313 Inch  - Height- 1.00 Inch* With Ears* Side Bar Type- 12* Hole Size- 1.125 Inch*...
    80-05090010
    SKU:
    80-05090010
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Length Options:
    5 Inch
    Width Options:
    2 Inch
    Make:
    Universal Items
    $30.34
    Qty in Cart: 0
    Price:
    $30.34
    Subtotal:
  • 3/8 X 1-1/4 Inch SS Bolt Kit

    3/8 X 1-1/4 Inch SS Bolt Kit

    4 STATE TRUCKS

    $4.17
    Bolt Kit - SS 3/8 X 1-1/4 Inch* High Quality Bolt Kit* Stainless Steel * 3/8 X 1-1/4 Inch* Sold As Kit* Warranty On Bolt Kits Against Defects In Workmanship & Material From Date Of Purchase*** High...
    09-05250009
    SKU:
    09-05250009
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $4.17
    Qty in Cart: 0
    Price:
    $4.17
    Subtotal:
  • 3/8 X 1 Inch SS Bolt Kit

    3/8 X 1 Inch SS Bolt Kit

    4 STATE TRUCKS

    $4.58
    Bolt Kit - SS 3/8 X 1 Inch* High Quality Bolt Kit* Stainless Steel * 3/8 X 1 Inch* Sold As Kit* Warranty On Bolt Kits Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    09-05250008
    SKU:
    09-05250008
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $4.58
    Qty in Cart: 0
    Price:
    $4.58
    Subtotal:
  • BESTfit Spring Riser-Spacer Block 7 X 4 X 1 Inch With 3/4 Inch Center Post

    BESTfit Spring Riser-Spacer Block 7 X 4 X 1 Inch With 3/4 Inch Center Post

    BESTFIT TRUCK PARTS

    $34.85
    1 Inch Lift Block- Spacer Plate For 4 Inch Springs By BESTfitStrengthen your truck's suspension system with the BESTfit Spring Riser-Spacer Block. Featuring a 7 x 4 x 1-inch profile and 3/4-inch...
    09-05090017
    SKU:
    09-05090017
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Length Options:
    7 Inch
    Width Options:
    4 Inch
    Diameter Options:
    1 Inch
    Make:
    Universal Items
    $34.85
    Qty in Cart: 0
    Price:
    $34.85
    Subtotal:
  • Poly Fontaine Fifth Wheel Bracket Liner Kit

    Poly Fontaine Fifth Wheel Bracket Liner Kit

    AFTERMARKET

    $70.99
    Fontaine Fifth Wheel Bracket Liner KitAchieve smoother fifth wheel operation with the Poly Fontaine Fifth Wheel Bracket Liner Kit, designed for durability and precision. The kit includes a poly...
    19-05110006
    SKU:
    19-05110006
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $70.99
    Qty in Cart: 0
    Price:
    $70.99
    Subtotal:
  • Fontaine Fifth Wheel Slider Bracket 16 Inch

    Fontaine Fifth Wheel Slider Bracket 16 Inch

    OPP - ORIGINAL PARTS PROGRAM

    $1,098.99
    Replacement 5th Wheel Air Slider Rail* High Quality Slide Rail* Dimensions:  - 16 Inch Slide Travel   - 46 Inch Overall Length * Made In USA* Sold Individually* Warranty On Slide Rails Against...
    09-0511072
    SKU:
    09-0511072
    Height Options:
    16 Inch
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Length Options:
    46 Inch
    Make:
    Universal Items
    $1,098.99
    Qty in Cart: 0
    Price:
    $1,098.99
    Subtotal:
  • Fontaine Fifth Wheel Slider Bracket 10 3/4 Inch

    Fontaine Fifth Wheel Slider Bracket 10 3/4 Inch

    OPP - ORIGINAL PARTS PROGRAM

    $2,139.99
    Slider Bracket For Fontain 6000 7000 7000CC 5th Wheel Top Plate* High Quality Air Slide Bracket* 10 3/4 Inch Mounted Height* Bracket Comes Assembled* Height Measured From Top Of Truck Frame To Top Of...
    09-0511069
    SKU:
    09-0511069
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Height Options:
    10 Inch
    Make:
    Universal Items
    $2,139.99
    Qty in Cart: 0
    Price:
    $2,139.99
    Subtotal:
  • Fifth Wheel Cast Steel Top Plate 50,000 lbs Vertical Load Driver Side FON SLTPL6000

    Fifth Wheel Cast Steel Top Plate 50,000 lbs Vertical Load Driver Side FON SLTPL6000

    OPP - ORIGINAL PARTS PROGRAM

    $1,787.99
    Replacement Fifth Wheel Cast Steel Top Plate* High Quality Top Plate* Cast Steel * 55,000 Vertical Load* 150,000 Drawbar Pull (No-Slack Lock)* Sold Individually* Warranty On Top Plates Against...
    09-05110082
    SKU:
    09-05110082
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $1,787.99
    Qty in Cart: 0
    Price:
    $1,787.99
    Subtotal:
  • Fifth Wheel Stamped Steel Top Plate 50,000 lbs Vertical Load Driver Side FON SLTPL6000

    Fifth Wheel Stamped Steel Top Plate 50,000 lbs Vertical Load Driver Side FON SLTPL6000

    OPP - ORIGINAL PARTS PROGRAM

    $1,609.99
    Replacement Fifth Wheel Stamped Steel Top Plate* High Quality Top Plate* Stamped Steel* 50,000 Vertical Load* 150,000 Drawbar Pull (No-Slack Lock)* Sold Individually* Warranty On Top Plates Against...
    09-05110081
    SKU:
    09-05110081
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $1,609.99
    Qty in Cart: 0
    Price:
    $1,609.99
    Subtotal:
  • Fontaine Fifth Wheel Slider Rail 36 Inch For AWB, AWS & MWS

    Fontaine Fifth Wheel Slider Rail 36 Inch For AWB, AWS & MWS

    OPP - ORIGINAL PARTS PROGRAM

    $1,364.99
    Replacement 5th Wheel Air Slider Rail* High Quality Fifth Wheel Slider Wall* Dimensions:  - 36 Inch Slide Travel  - 66 Inch Overall Length* Made In USA* Sold Individually* Warranty On Slider Walls...
    09-0511067
    SKU:
    09-0511067
    Truck Class:
    Heavy Duty
    Length Options:
    66 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $1,364.99
    Qty in Cart: 0
    Price:
    $1,364.99
    Subtotal:
  • Black Fontaine Fifth Wheel Cover

    Black Fontaine Fifth Wheel Cover

    WTI FENDERS

    $258.54
    Fontaine Fifth Wheel Cover* High Quality Fifth Wheel Covers* Made Of Fiberglass* Made In USA* Sold Individually* Warranty On Fifth Wheel Covers Against Defects In Workmanship & Material From Date Of...
    09-05110077
    SKU:
    09-05110077
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $258.54
    Qty in Cart: 0
    Price:
    $258.54
    Subtotal:
  • Total: items /

Adding your products to cart

Mack CV/GU Truck Frame & Chassis offers a wide selection of quality replacement parts and accessories for the popular Mack CV and GU truck models. Whether you need frame components, chassis parts, suspension parts, fuel system parts, or other essential truck hardware, this product lineup has you covered. With the highest count models like the Mack CHU613 SFA, CXN613 Vision, and CXU613 Pinnacle, you can find the right parts to keep your Mack truck operating at its best. Key features of this product lineup include heavy-duty construction, durable materials, and easy installation - ensuring your Mack truck stays in top shape. Enhance the performance, safety, and appearance of your Mack CV or GU with the right parts from this comprehensive product lineup.

Frequently Asked Questions About Mack CV/GU Truck Frame & Chassis

What components are typically included in Mack CV/GU frame and chassis parts?

This category covers structural and support components for the Mack CV and GU series, including frame rails, crossmembers, frame brackets, chassis mounts, and related reinforcement or repair hardware. These parts form the backbone of the truck and support the cab, axles, fuel tanks, and other major systems.

How do I know if a frame or chassis part will fit my specific Mack CV or GU truck?

Fitment can vary based on model year, wheelbase, cab configuration, and axle setup, even within the CV and GU series. Always check the part number against your truck's VIN or existing component before ordering, and compare listed specifications such as length, hole spacing, and mounting points. If you're unsure, reach out to our parts team with your VIN for confirmation.

Are these frame and chassis parts new, used, or reconditioned?

We offer a mix of new aftermarket, OEM, and quality used take-off parts depending on the specific item. Each product listing specifies the condition, so you can choose based on your budget and application. Used take-offs are inspected for structural integrity before being made available for sale.

Can I install a replacement frame or chassis component myself, or should I use a professional shop?

Simple components like brackets or crossmembers may be manageable for experienced DIY mechanics with the right tools and lift equipment. However, frame rail replacement, welding, or any modification affecting structural integrity should be handled by a qualified heavy-duty truck shop to ensure proper alignment, safety, and compliance with weight ratings.

Will replacing a frame or chassis part affect my truck's warranty or DOT compliance?

Using non-OEM parts generally will not void your truck's overall warranty unless the part itself fails and causes damage, but always check your specific warranty terms. For DOT compliance, structural repairs or replacements should meet or exceed original specifications for load rating and material strength, so keep documentation of parts used and any professional installation for future reference.


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