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Mack RD Trucks

Shop for aftermarket Mack RD truck parts (1979 – 2004) to repair, replace, and refurbish your heavy-duty vocational rig. We sell replacement and aftermarket parts for popular Mack RD models, including the RD600, RD688, RD688S, RD690, and RD690S. Source collision-replacement parts, customize the exterior, or add interior cab accessories to refurbish your truck at 4 State Trucks.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • 15.00 X 4.00 Inch 20K Brake Shoe Kit Replaces KSF5571308E

    15.00 X 4.00 Inch 20K Brake Shoe Kit Replaces KSF5571308E

    AFTERMARKET

    $105.99
    15.00 X 4.00 Inch 20K Brake Shoe Kit* High Quality Brake Shoe Box Kit* Eaton ES2 Type* Open Anchor End* Open Roller End* Single Web* 20K Lbs Value* Kit Includes:  - (2) Lined Brake Shoes  - (1) 7...
    09-05170187
    SKU:
    09-05170187
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $105.99
    Qty in Cart: 0
    Price:
    $105.99
    Subtotal:
  • 1/2 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8594

    1/2 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8594

    AUTOMANN USA

    $13.67
    1/2 X 1/2 Inch Hose Coupling W/ SpringKeep your air brake system functioning properly with the 1/2 x 1/2 Inch Brass Hose Coupling with Spring. Built to replace E8594, it features a secure 1/2-inch...
    09-05170177
    SKU:
    09-05170177
    Material Options:
    Brass
    Diameter Options:
    1/2 Inch
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $13.67
    Qty in Cart: 0
    Price:
    $13.67
    Subtotal:
  • 3/8 X 3/8 Inch Brass Hose Coupling W/ Spring Replaces E8591

    3/8 X 3/8 Inch Brass Hose Coupling W/ Spring Replaces E8591

    AUTOMANN USA

    $8.11
    3/8 X 3/8 Inch Hose Coupling W/ Spring* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Made Of Brass* 3/8 Inch Inner Diameter Hose End* 3/8...
    09-05170175
    SKU:
    09-05170175
    Diameter Options:
    3/8 Inch
    Product Type:
    Air, Electrical, & Safety
    Material Options:
    Brass
    Make:
    Universal Items
    $8.11
    Qty in Cart: 0
    Price:
    $8.11
    Subtotal:
  • 3/8 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8592

    3/8 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8592

    AUTOMANN USA

    $8.82
    3/8 X 1/2 Inch Hose Coupling W/ Spring* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Made Of Brass* 3/8 Inch Inner Diameter Hose End* 1/2...
    09-05170176
    SKU:
    09-05170176
    Product Type:
    Air, Electrical, & Safety
    Material Options:
    Brass
    Make:
    Universal Items
    $8.82
    Qty in Cart: 0
    Price:
    $8.82
    Subtotal:
  • 15.00 X 4.00 Inch 10 Hole Brake Drum Replaces 10081079, 123421, 3721X, 17QJ4106, 123366, 85123366002, 85123421002, 61527, 61527B

    15.00 X 4.00 Inch 10 Hole Brake Drum Replaces 10081079, 123421, 3721X, 17QJ4106, 123366, 85123366002, 85123421002, 61527, 61527B

    AFTERMARKET

    $303.99
    10 Hole 15.00 X 4.00 Inch Brake Drum* High Quality Brake Drum* Balanced To 20 Inch - Oz* (10) 1 Inch Bolt Holes* For Brake SuRFace Diameter 15 Inch X 4 Inch* 8.78 Inch Overall Width* 4.78 Inch Brake...
    09-05170171
    SKU:
    09-05170171
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $303.99
    Qty in Cart: 0
    Price:
    $303.99
    Subtotal:
  • 16.50 X 7.00 Inch 10 Hole Brake Drum Replaces 12386614, 3122948002, 85122948002, 66865, 66865B

    16.50 X 7.00 Inch 10 Hole Brake Drum Replaces 12386614, 3122948002, 85122948002, 66865, 66865B

    AFTERMARKET

    $500.99
    10 Hole 16.50 X 7.00 Inch Brake Drum* High Quality Brake Drum* Balanced To 20 Inch - Oz* (10) 0.810 Inch Bolt Holes* For Brake SuRFace Diameter 16.5 Inch X 7 Inch* 10.310 Inch Overall Width* 7.50...
    09-05170167
    SKU:
    09-05170167
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $500.99
    Qty in Cart: 0
    Price:
    $500.99
    Subtotal:
  • 16.50 X 6.00 Inch 20K Brake Shoe Kit Replaces 819706, R700025, 314146, R507094, 818278, E10197, E5479A, R567503, 19-915

    16.50 X 6.00 Inch 20K Brake Shoe Kit Replaces 819706, R700025, 314146, R507094, 818278, E10197, E5479A, R567503, 19-915

    AFTERMARKET

    $145.99
    16.50 X 6.00 Inch Eaton ES2 Type 20K Brake Shoe Kit* High Quality Brake Shoe Box Kit* Eaton ES2 Type* Open Anchor End* Open Roller End* Double Web* 20K Lbs Value* Kit Includes:  - (2) Unlined Brake...
    09-05170169
    SKU:
    09-05170169
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $145.99
    Qty in Cart: 0
    Price:
    $145.99
    Subtotal:
  • 1/2 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8599

    1/2 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8599

    AUTOMANN USA

    $17.43
    1/2 X 1/2 Inch Hose Coupling W/ SpringDepend on the 1/2 X 1/2 Inch Brass Hose Coupling with Spring for secure air brake connections, designed to replace E8599. Engineered for air brake hoses, this...
    09-05170161
    SKU:
    09-05170161
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Diameter Options:
    1/2 Inch
    Make:
    Universal Items
    $17.43
    Qty in Cart: 0
    Price:
    $17.43
    Subtotal:
  • 16.50 X 6.00 Inch 23K Brake Shoe Kit Replaces 819706, R700025, 314146, R507094, 818278, E10197, E5479A, R567503, 19-915

    16.50 X 6.00 Inch 23K Brake Shoe Kit Replaces 819706, R700025, 314146, R507094, 818278, E10197, E5479A, R567503, 19-915

    AFTERMARKET

    $148.99
    16.50 X 6.00 Inch Eaton ES2 Type 23K Brake Shoe Kit* High Quality Brake Shoe Box Kit* Eaton ES2 Type* Open Anchor End* Open Roller End* Double Web* 23K Lbs Value* Kit Includes:  - (2) Unlined Brake...
    09-05170170
    SKU:
    09-05170170
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $148.99
    Qty in Cart: 0
    Price:
    $148.99
    Subtotal:
  • 3/8 X 3/8 Inch Brass Hose Coupling W/ Spring Replaces E8596

    3/8 X 3/8 Inch Brass Hose Coupling W/ Spring Replaces E8596

    AUTOMANN USA

    $9.13
    3/8 X 3/8 Inch Hose Coupling W/ Spring* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Spring Attached To Male Connector End* Made Of Brass*...
    09-05170158
    SKU:
    09-05170158
    Diameter Options:
    3/8 Inch
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $9.13
    Qty in Cart: 0
    Price:
    $9.13
    Subtotal:
  • 3/8 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8597

    3/8 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8597

    AUTOMANN USA

    $9.45
    3/8 X 1/2 Inch Hose Coupling W/ Spring* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Spring Attached To Male Connector End* Made Of Brass*...
    09-05170159
    SKU:
    09-05170159
    Product Type:
    Air, Electrical, & Safety
    Material Options:
    Brass
    Make:
    Universal Items
    $9.45
    Qty in Cart: 0
    Price:
    $9.45
    Subtotal:
  • 3/8 X 1/4 Inch Brass Hose Coupling W/ Spring Replaces E8595

    3/8 X 1/4 Inch Brass Hose Coupling W/ Spring Replaces E8595

    AUTOMANN USA

    $8.27
    3/8 X 1/4 Inch Hose Coupling W/ Spring* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Spring Attached To Male Connector End* Made Of Brass*...
    09-05170157
    SKU:
    09-05170157
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $8.27
    Qty in Cart: 0
    Price:
    $8.27
    Subtotal:
  • 1/2 X 3/8 Inch Brass Hose Coupling W/ Spring Replaces E8598

    1/2 X 3/8 Inch Brass Hose Coupling W/ Spring Replaces E8598

    AUTOMANN USA

    $11.93
    1/2 X 3/8 Inch Hose Coupling W/ Spring* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Spring Attached To Male Connector End* Made Of Brass*...
    09-05170160
    SKU:
    09-05170160
    Product Type:
    Air, Electrical, & Safety
    Material Options:
    Brass
    Make:
    Universal Items
    $11.93
    Qty in Cart: 0
    Price:
    $11.93
    Subtotal:
  • 3/8 X 3/8 Inch Brass Coupling Body Replaces E8586

    3/8 X 3/8 Inch Brass Coupling Body Replaces E8586

    AUTOMANN USA

    $4.48
    3/8 X 3/8 Inch Coupling Body* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Made Of Brass* 3/8 Inch Inner Diameter Hose End* 3/8 Inch Outer...
    09-05170136
    SKU:
    09-05170136
    Product Type:
    Air, Electrical, & Safety
    Diameter Options:
    3/8 Inch
    Material Options:
    Brass
    Make:
    Universal Items
    $4.48
    Qty in Cart: 0
    Price:
    $4.48
    Subtotal:
  • 1/2 X 3/8 Inch Brass Coupling Body Replaces E8588

    1/2 X 3/8 Inch Brass Coupling Body Replaces E8588

    AUTOMANN USA

    $8.47
    1/2 X 3/8 Inch Coupling Body* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Made Of Brass* 1/2 Inch Inner Diameter Hose End* 3/8 Inch Outer...
    09-05170145
    SKU:
    09-05170145
    Product Type:
    Air, Electrical, & Safety
    Material Options:
    Brass
    Make:
    Universal Items
    $8.47
    Qty in Cart: 0
    Price:
    $8.47
    Subtotal:
  • 3/8 X 1/4 Inch Brass Coupling Body Replaces E8585

    3/8 X 1/4 Inch Brass Coupling Body Replaces E8585

    AUTOMANN USA

    $5.09
    3/8 X 1/4 Inch Coupling Body* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Made Of Brass* 3/8 Inch Inner Diameter Hose End* 1/4 Inch Outer...
    09-05170135
    SKU:
    09-05170135
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $5.09
    Qty in Cart: 0
    Price:
    $5.09
    Subtotal:
  • 1/2 X 1/2 Inch Brass Coupling Body Replaces E8589

    1/2 X 1/2 Inch Brass Coupling Body Replaces E8589

    AUTOMANN USA

    $5.94
    1/2 X 1/2 Inch Coupling Body* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Made Of Brass* 1/2 Inch Inner Diameter Hose End* 1/2 Inch Outer...
    09-05170146
    SKU:
    09-05170146
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Diameter Options:
    1/2 Inch
    Make:
    Universal Items
    $5.94
    Qty in Cart: 0
    Price:
    $5.94
    Subtotal:
  • 5.5 Automatic Slack Adjuster Replaces 40920046, 40020240, ZZ40020240, 539640020240, M808005

    5.5 Automatic Slack Adjuster Replaces 40920046, 40020240, ZZ40020240, 539640020240, M808005

    AFTERMARKET

    $154.99
    5.5 Haldex Self- Setting Type Automatic Slack AdjusterKeep your brakes perfectly calibrated with the 5.5 Automatic Slack Adjuster, a self-setting Haldex slack type adjuster engineered for accuracy...
    09-05170121
    SKU:
    09-05170121
    Product Type:
    Frame & Chassis
    Diameter Options:
    1 1/2 Inch
    Make:
    Universal Items
    $154.99
    Qty in Cart: 0
    Price:
    $154.99
    Subtotal:
  • 15.00 X 4.00 Inch 8 Hole Brake Drum Replaces 107902, 3741X, 3741, 2009641C1, 65543, 65543B, 65543F

    15.00 X 4.00 Inch 8 Hole Brake Drum Replaces 107902, 3741X, 3741, 2009641C1, 65543, 65543B, 65543F

    AFTERMARKET

    $379.99
    8 Hole 15.00 X 4.00 Inch Inch Brake Drum* High Quality Brake Drum* Balanced To 20 Inch - Oz* (8) 1 Inch Bolt Holes* For Brake Surface Diameter 15 Inch X 4 Inch* 9.04 Inch Overall Width* 4.75 Inch...
    09-05170122
    SKU:
    09-05170122
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $379.99
    Qty in Cart: 0
    Price:
    $379.99
    Subtotal:
  • 3/8 X 1/2 Inch Brass Coupling Body Replaces E8587

    3/8 X 1/2 Inch Brass Coupling Body Replaces E8587

    AUTOMANN USA

    $4.80
    3/8 X 1/2 Inch Coupling Body* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Made Of Brass* 3/8 Inch Inner Diameter Hose End* 1/2 Inch Outer...
    09-05170134
    SKU:
    09-05170134
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $4.80
    Qty in Cart: 0
    Price:
    $4.80
    Subtotal:
  • Total: items /

Adding your products to cart

Shop Aftermarket Mack RD Truck Parts

Working, old-school big rigs like the Mack RD series endure many years of wear and tear on jobs sites. Over time, Mack RD hardware and components experience high heat and pressure, turning mild components replacements into system-wide repairs. We stock the model-specific mechanical parts to keep your hard-working truck performing day after day:

Cosmetic Aftermarket Upgrades for Mack RD Trucks

Road debris can chip away at the headlights, fenders, mirrors, and even mud flaps over time. That’s why we stock hundreds of exterior Mack RD replacement parts to replace damaged parts. Lastly, you can find decorative custom upgrades to spruce-up the look of your rig, from interior custom dashboards to stainless steel step boxes for easy cab exit and entry.

Frequently Asked Questions About Mack RD Truck Parts

What years and models of Mack RD trucks do your parts fit?

Our Mack RD parts are designed to fit RD600, RD688, and RD690 models manufactured from 1979 through 2004. However, compatibility can vary based on specific configurations and factory options. We recommend checking your OEM or contacting our team with your truck's model year and any special equipment codes to ensure proper fitment before ordering.

Are your Mack RD bumpers made from chrome-plated steel or stainless steel?

We offer both options depending on your needs and budget. Our chrome-plated steel bumpers feature a triple-chrome plating process over heavy-gauge steel for durability and shine. Our stainless steel options are typically 304-grade stainless with a mirror polish finish. Chrome bumpers are more affordable but require regular maintenance, while stainless steel resists corrosion better in harsh conditions but comes at a higher price point.

Do I need special tools or professional installation for Mack RD bumpers?

Most Mack RD bumper installations can be completed with standard shop tools including socket sets, wrenches, and a drill for any additional mounting holes. The bumpers typically weigh between 80-150 pounds, so having a helper or hoist is strongly recommended. Installation usually takes 2-4 hours. Some aftermarket bumpers may require minor modifications to mounting brackets or drilling new holes. Professional installation is recommended if you're not comfortable with heavy lifting or drilling.

What's the difference between OEM-style and aftermarket Mack RD parts?

OEM-style parts are manufactured to match original factory specifications for direct bolt-on replacement. Aftermarket parts may offer enhanced features like additional gauge holes, different styling, or heavier construction but might require modifications during installation. OEM-style parts typically maintain factory warranty compliance, while aftermarket options often provide better value and customization options. Both meet DOT standards when applicable.

How do I maintain chrome parts on my Mack RD to prevent rust and pitting?

Chrome parts require regular maintenance to maintain their appearance, especially in regions using road salt. Wash chrome surfaces weekly with mild soap and water, then dry thoroughly. Apply a quality chrome polish monthly and use a chrome sealant every 3-4 months for added protection. Avoid abrasive cleaners or steel wool which can scratch the chrome. For winter storage or harsh conditions, consider applying a thin coat of WD-40 or similar protectant, then remove before regular use.


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