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Fortpro Steel Washer for Mack 5" Spring SS50, SS58 - Replaces 43QK118

Fortpro Steel Washer for Mack 5" Spring SS50, SS58 - Replaces 43QK118

SKU: F174062

Availability: In Stock

Stock Level: Only 34 left in stock - Order Soon!

Shipping: Calculated at Checkout

Regular price $9.33 USD
Regular price Sale price $9.33 USD
Sale Sold out
Shipping calculated at checkout.

About this Item

  • Very Important: Please Verify this product Description and Compatibility before Buying
  • Compatible with Mack Rear SS50 Camelback, 5" Spring SS58 Camelback Series Suspensions
  • Built on High Strength Materials to ensure long term reliability
  • Exceeds OEM quality standards
  • Replacement for Mack 43QK118 Steel Washer


Revitalize your Mack truck rear suspensions with the Fortpro Steel Washer, a precision-engineered upgrade designed for compatibility with Mack 5" Spring SS50 and SS58 Camelback Series. This robust steel washer seamlessly replaces OEM part 43QK118, ensuring an optimal fit and contributing to enhanced durability under heavy-duty conditions. Fortpro's commitment to excellence is evident in this performance-oriented upgrade, providing your Mack truck with unparalleled strength and support for a smooth and reliable ride. Upgrade now with Fortpro Steel Washer and experience a new era of performance. Your Mack truck deserves the best, so call today and make it unstoppable!


  • Brand: Fortpro
  • Vehicle Type: Semi-Trucks / Heavy Trucks
  • Product Department: Suspension
  • Product category : Rear Suspension
  • Part Type : Washer
  • OEM Reference #: 43QK118
  • Outside Diameter (O.D): 6 1/4 in.
  • Inside Diameter (ID): 4.00 in.
  • Thickness: 0.312 in.
  • Material: Steel
  • Applications:
    Mack 5" Spring SS50 Camelback Rear Suspension
    Mack 5" Spring SS58 Camelback Rear Suspension
    Mack 46.000 / 55.000 Lbs Rear Suspension


  • Automann: MX403
  • Dayton Parts: 334-512
  • Euclid: E-5423
  • Mack: 43QK118
  • Meritor: R305423
  • PAI: FTW-4479

Shipping Policy

In order to send your purchase, our company may use different freight companies like USPS, UPS and some 3erd Carrier Services for Oversize orders, this will not affect the final price of your order. We will send you all the information in due time. 

For Free Shipping and Freight/Oversize Shipments they are some special term you may check at our Terms & Conditions page.


Return Policy

If for any reason you need to return a purchased item, we have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must met the conditions stablished in our Terms & Conditions.

To start a return, you can contact us at


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