Monroe

Magnum OE Replacement Shocks

66424
$69.99 Sale
Out of Stock
Monroe

Magnum OE Replacement Shocks

66424
$69.99 Sale
Out of Stock

Authorized dealer
Free shipping within the lower 48 United States
Brand new parts with warranty coverage
Free 30-day return and exchange on qualifying orders
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Product Details

Whether you want to upgrade, add a reservoir, or find something more affordable, contact us with any questions!

Part Numbers & Details

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Part Numbers & Details
1 Shock Absorber
Package contains a single shock.
Monroe Limited Lifetime Warranty
Manufacturer provided lifetime warranty and exclusive Feel the Difference Guarantee.
Factory Hardware for Installation
All necessary washers, bushings, and nuts included. Factory shock mounting bolts are reused for installation.
Designed for Trucks and Vans
Engineered for hardworking full-size trucks and vans and features full-displaced valving on compression cycles to deliver controlled ride and handling
Heavy Duty Build
Heavy-duty nitrocarburized rod (non-dust shield units only) and sintered iron piston enhance durability for longer service life while self-lubricating fluid seal reduces friction against piston rod to reduce wear
Nitrogen gas charge
Maintains tire-to-road contact for improved ride and handling by reducing aeration and shock fade
Specifications
Part NumberItemQuantityExtended LengthCompressed LengthTravelTop MountBottom Mount
66424Shock Absorber118.8"12.05"6.75"OEMOEM
Product Details

Designed for midsize and full-size trucks and vans, Monroe Gas-Magnum shock absorbers provide firm control without a harsh ride. With up to twice the fluid capacity of standard 1-in. bore shocks, they work more efficiently with less effort.

Compatibility List
YearMakeModelDrivePosition
2016KenworthC500Rear
2015KenworthC500Rear
2014KenworthC500Rear
2013KenworthC500Rear
2012KenworthC500Rear
2011KenworthC500Rear
2010KenworthC500Rear
2009KenworthC500Rear
2008KenworthC500Rear
2007KenworthC500Rear
2006KenworthC500Rear
2005KenworthC500Rear
2004KenworthC500Rear
2003KenworthC500Rear
2002KenworthC500Rear
2001KenworthC500Rear
2000KenworthC500Rear
1999KenworthC500Rear
1998KenworthC500Rear
1997KenworthC500Rear
1996KenworthC500Rear
1995KenworthC500Rear
1994KenworthC500Rear
1993KenworthC500Rear
1992KenworthC500Rear
1991KenworthC500Rear
1990KenworthC500Rear
1989KenworthC500Rear
1988KenworthC500Rear
1987KenworthC500Rear
1986KenworthC500Rear
1985KenworthC500Rear
1984KenworthC500Rear
1983KenworthC500Rear
1982KenworthC500Rear
1981KenworthC500Rear
1985KenworthK100Rear
1984KenworthK100Rear
1983KenworthK100Rear
1982KenworthK100Rear
1981KenworthK100Rear
2006KenworthK100EFront
2006KenworthK100EFront
2005KenworthK100EFront
2005KenworthK100ERear
2004KenworthK100EFront
2003KenworthK100ERear
2003KenworthK100EFront
2002KenworthK100ERear
2002KenworthK100EFront
2001KenworthK100ERear
2001KenworthK100EFront
2000KenworthK100ERear
2000KenworthK100EFront
1999KenworthK100ERear
1999KenworthK100EFront
1998KenworthK100ERear
1998KenworthK100EFront
1997KenworthK100ERear
1997KenworthK100EFront
1996KenworthK100EFront
1996KenworthK100ERear
1995KenworthK100ERear
1995KenworthK100EFront
1994KenworthK100ERear
1994KenworthK100EFront
1993KenworthK100ERear
1993KenworthK100EFront
1992KenworthK100ERear
1992KenworthK100EFront
1991KenworthK100ERear
1991KenworthK100EFront
1990KenworthK100EFront
1990KenworthK100ERear
1989KenworthK100EFront
1989KenworthK100ERear
1988KenworthK100EFront
1988KenworthK100ERear
1987KenworthK100EFront
1987KenworthK100ERear
1986KenworthK100EFront
1986KenworthK100ERear
1985KenworthK100EFront
1985KenworthK100ERear
2005KenworthK300Rear
2004KenworthK300Rear
2003KenworthK300Rear
2002KenworthK300Rear
2001KenworthK300Rear
2000KenworthK300Rear
1999KenworthK300Rear
1998KenworthK300Rear
1997KenworthK300Rear
1996KenworthK300Rear
1995KenworthK300Rear
1994KenworthK300Rear
1993KenworthK300Rear
2011KenworthT2000Rear
2010KenworthT2000Rear
2009KenworthT2000Rear
2008KenworthT2000Rear
2007KenworthT2000Rear
2006KenworthT2000Rear
2005KenworthT2000Rear
2004KenworthT2000Rear
2003KenworthT2000Rear
2002KenworthT2000Rear
2001KenworthT2000Rear
2000KenworthT2000Rear
1999KenworthT2000Rear
1998KenworthT2000Rear
1997KenworthT2000Rear
2008KenworthT300Rear
2007KenworthT300Rear
2006KenworthT300Rear
2005KenworthT300Rear
2004KenworthT300Rear
2003KenworthT300Rear
2002KenworthT300Rear
2001KenworthT300Rear
2000KenworthT300Rear
1999KenworthT300Rear
1998KenworthT300Rear
1997KenworthT300Rear
1996KenworthT300Rear
1995KenworthT300Rear
1999KenworthT400Rear
1998KenworthT400Rear
1997KenworthT400Rear
1996KenworthT400Rear
1995KenworthT400Rear
1994KenworthT400Rear
1993KenworthT400Rear
1992KenworthT400Rear
1991KenworthT400Rear
1990KenworthT400Rear
1989KenworthT400Rear
1988KenworthT400Rear
1987KenworthT400Rear
1986KenworthT400Rear
1985KenworthT400Rear
1984KenworthT400Rear
1983KenworthT400Rear
1982KenworthT400Rear
2007KenworthT600ARear
2006KenworthT600ARear
2005KenworthT600ARear
2004KenworthT600ARear
2003KenworthT600ARear
2002KenworthT600ARear
2001KenworthT600ARear
2000KenworthT600ARear
1999KenworthT600ARear
1998KenworthT600ARear
1997KenworthT600ARear
1996KenworthT600ARear
1995KenworthT600ARear
1994KenworthT600ARear
1993KenworthT600ARear
1992KenworthT600ARear
1991KenworthT600ARear
1990KenworthT600ARear
1989KenworthT600ARear
1988KenworthT600ARear
1987KenworthT600ARear
1986KenworthT600ARear
2020KenworthT800Rear
2019KenworthT800Rear
2018KenworthT800Rear
2017KenworthT800Rear
2016KenworthT800Rear
2015KenworthT800Rear
2014KenworthT800Rear
2013KenworthT800Rear
2012KenworthT800Rear
2011KenworthT800Rear
2010KenworthT800Rear
2009KenworthT800Rear
2008KenworthT800Rear
2007KenworthT800Rear
2006KenworthT800Rear
2005KenworthT800Rear
2004KenworthT800Rear
2003KenworthT800Rear
2002KenworthT800Rear
2001KenworthT800Rear
2000KenworthT800Rear
1999KenworthT800Rear
1998KenworthT800Rear
1997KenworthT800Rear
1996KenworthT800Rear
1995KenworthT800Rear
1994KenworthT800Rear
1993KenworthT800Rear
1992KenworthT800Rear
1991KenworthT800Rear
1990KenworthT800Rear
1989KenworthT800Rear
1988KenworthT800Rear
1987KenworthT800Rear
2020KenworthW900Rear
2019KenworthW900Rear
2018KenworthW900Rear
2017KenworthW900Rear
2016KenworthW900Rear
2015KenworthW900Rear
2014KenworthW900Rear
2013KenworthW900Rear
2012KenworthW900Rear
2011KenworthW900Rear
2010KenworthW900Rear
2009KenworthW900Rear
2008KenworthW900Rear
2007KenworthW900Rear
2006KenworthW900Rear
2005KenworthW900Rear
2004KenworthW900Rear
2003KenworthW900Rear
2002KenworthW900Rear
2001KenworthW900Rear
2000KenworthW900Rear
1999KenworthW900Rear
1998KenworthW900Rear
1997KenworthW900Rear
1996KenworthW900Rear
1995KenworthW900Rear
1994KenworthW900Rear
1993KenworthW900Rear
1992KenworthW900Rear
1991KenworthW900Rear
1990KenworthW900Rear
1989KenworthW900Rear
1988KenworthW900Rear
1987KenworthW900Rear
1986KenworthW900Rear
1985KenworthW900Rear
1984KenworthW900Rear
1983KenworthW900Rear
1982KenworthW900Rear
1981KenworthW900Rear
2012Peterbilt365Rear
2011Peterbilt365Rear
2010Peterbilt365Rear
2009Peterbilt365Rear
2008Peterbilt365Rear
2018Peterbilt367Rear
2017Peterbilt367Rear
2016Peterbilt367Rear
2015Peterbilt367Rear
2014Peterbilt367Rear
2013Peterbilt367Rear
2012Peterbilt367Rear
2011Peterbilt367Rear
2010Peterbilt367Rear
2009Peterbilt367Rear
2008Peterbilt367Rear
2016Peterbilt384Rear
2015Peterbilt384Rear
2014Peterbilt384Rear
2013Peterbilt384Rear
2012Peterbilt384Rear
2011Peterbilt384Rear
2010Peterbilt384Rear
2009Peterbilt384Rear
2008Peterbilt384Rear
2007Peterbilt385Rear
2006Peterbilt385Rear
2005Peterbilt385Rear
2004Peterbilt385Rear
2003Peterbilt385Rear
2002Peterbilt385Rear
2001Peterbilt385Rear
2000Peterbilt385Rear
1999Peterbilt385Rear
1998Peterbilt385Rear
1997Peterbilt385Rear
1996Peterbilt385Rear
2016Peterbilt386Rear
2015Peterbilt386Rear
2014Peterbilt386Rear
2013Peterbilt386Rear
2012Peterbilt386Rear
2011Peterbilt386Rear
2010Peterbilt386Rear
2009Peterbilt386Rear
2008Peterbilt386Rear
2007Peterbilt386Rear
2006Peterbilt386Rear
2015Peterbilt587Rear
2014Peterbilt587Rear
2013Peterbilt587Rear
2012Peterbilt587Rear
2011Peterbilt587Rear
Warranty

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Monroe Manufacturer's Warranty

DRiV warrants qualifying Monroe products against defects and wear-out when used on private passenger cars and light trucks under normal operating conditions, for as long as such original purchaser owns the vehicle on which they were originally installed.

Qualifying Products

  • Monroe OESpectrum shocks and struts
  • Monroe Reflex shocks and struts
  • Monroe Quick-Strut assembly
  • Monroe Gas-Magnum shocks
  • Monroe Magnum loaded strut assembly
  • DRiV's obligation under this warranty is limited to replacement of the worn-out or defective product in accordance with this warranty. Cost of removal and installation are not included, and any incidental and consequential damages are excluded under this warranty, regardless of when the failure occurs. This warranty has no cash value.

    To make a claim under this warranty, return the worn-out or defective product with the dated original receipt to the dealer or retailer from whom it was purchased.

    This warranty does not apply to purchases made through unauthorized retailers/dealers including unauthorized online sellers. DRiV has no way to confirm the authenticity and quality of products sold through unauthorized resellers and is not obligated to honor warranty claims when purchased from an unauthorized individual, unauthorized retailer/dealer, or unauthorized online retailer. Purchases made through auction sites, marketplaces, private or third-party sales, or other unauthorized online retailers are not eligible for warranty.

    This warranty does not apply to: (i) any other costs, including costs of removal, installation, diagnostic time, and any other expenses arising out of replacing the product (ii) products which have been installed on non-catalogued applications; (iii) products that are new, unused or show signs of normal wear but not defective; (iv) products which have been misused, modified, altered, improperly applied or installed; (v) product damaged in an accident or by fire, weather, or any other force majeure event or hazard; (vi) products which have been installed on vehicles used for commercial, fleet, Governmental or racing purposes or damaged due to vehicle modifications; (vii) obsolete parts no longer available from DRiV; (viii) product that has been transferred from the vehicle on which it was originally installed; (ix) non-geniune DRiV branded product or competitive parts; and (x) products installed on vehicles that have been modified outside the specifications of the vehicle’s original equipment manufacturer, including but not limited to aftermarket modifications for racing, off-road, or powersports purposes.

    DRiV will not accept any returns and is not responsible for any claims related to circumstances and products described in the preceding sentence. All warranties, express or implied, are disclaimed if not stated herein. Any implied warranties you may have under state law are limited to the same duration and other terms as this warranty to the extent permissible.

    DRiV will contact warranty-serviced consumers to conduct customer satisfaction surveys relating to product and warranty service. Survey activity will provide valuable feedback and help measure the level of consumer satisfaction in different markets.

    Shipping & Returns

    Free shipping within the lower 48 United States

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    FREE Shipping applies to all products shipped to the lower 48 United States, excluding truck freight items that exceed 100lbs or custom orders.

    • Leaf Springs, Axles, Long Travel Systems, and other products that get shipped on pallets will require specific shipping costs.
    • We do not ship truck-freight items out of the country, only to freight forwarders setup by the buyer.

    All other shipping destinations that are available will be calculated at checkout, or you can contact us prior to your purchase.

    Shock Surplus ships to the following destinations, and more:

    • All of North America
    • All of Europe
    • United Arab Emirates
    • Australia
    • Most Asian countries

    Contact us for a free direct quote to your location.

    30-Day Hassle-free Return & Exchange Policy - Stuff Happens!

    We sell only brand new, never-installed, authentic, brand-name parts. If your order arrives damaged, is missing hardware, appears used or pre-installed, or is incomplete in any way, we will jump into action to send replacements. We can usually have replacements sent immediately for these rare cases of damaged, incomplete, or incorrect orders.

    Shock Surplus allows returns and exchanges inside of a 30-day window starting from time of receipt by the customer. It is our mission to make every transaction smooth, and fix any issues you may encounter.

    • Products must be new, unused, and in uninstalled condition for us to accept a return.
    • We do not accept installed parts, so be sure you have the correct part number(s) before attempting to install them on your vehicle.
    • Returned parts must contain all associated hardware, otherwise that part number will be deducted from your refund.

    Exchanges

    No restocking fees. Our staff is on hand to make sure that your first purchase is exactly correct for your needs and vehicle, do not hesitate to contact us prior to your purchase through Live Chat or Email.

    To start a return or exchange, please fill out THIS FORM (located at the bottom of the page), and be as specific as possible, and someone will be in touch with you in ~1 business day. The typical turnaround for a refund or exchange is 5-10 business days, depending on the complexity of the case. Exchanges are subject to availability of stock; any exchanges proving out of stock will be refunded to the customer.

    Return Shipping Costs

    We are available to make every transaction flawless for our customers, the Shock Surplus staff is available to guarantee fitment on every part we sell. Shipping costs responsibility are as follows:

    • Misboxed Item - Shock Surplus Responsibility
    • Incorrect Item Sent - Shock Surplus Responsibility
    • Incorrect Item Ordered - Customer Responsibility
    • Order Error (Address, Vehicle Fitment) - Customer Responsibility
    • Changed Mind - Customer Responsibility
    • Damaged in Transit - Shock Surplus Responsibility

    Start Your Return Process

    Returns Under Customer's Responsibility

    • Below 50lbs - $15 flat rate deducted from the refund. Shock Surplus will provide a shipping label to make this process as easy as possible.
    • Greater than 50lbs - Discounted shipping rates to get the product(s) back to Shock Surplus, that amount will be deducted from the refund. 50lb+ packages are automatically labeled 'Oversize' by our couriers, and automatically incur a $25 charge on top of the shipping fee.

    Returns Under Shock Surplus' Responsibility

    • Free, we will provide a return shipping label and ship the replacement parts for free. If a refund is preferred, a full refund will occur.

    Refunds

    You should expect to receive your refund within 5-7 business days of our warehouse receiving your return. The amount of time it takes for your refund to show up in your account varies by payment method, but typically takes 1-3 business days. You will also receive a message confirming the refund via the marketplace where the purchase happened. We wish we could speed up the process of funds reaching your payment method following a refund, but it is out of our hands.

    If you need to return an item, simply login to your account (top right corner of the screen), view the order using the "Complete Orders" link under the My Account menu, and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item. You can also contact contact us for any return requests.

    Shipping

    We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

    When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

    Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page.

    International Orders

    • Orders are final, no returns
    • Orders shipped to a freight forwarder in the US, are eligible for return if the product has not left the United States.
    • It is the responsibility of the buyer and exporter to ensure correct items received before exporting. Shock Surplus is not responsible for items received once the freight forwarder has shipped the product.
    • The buyer is responsible for import fees and taxes into their country. That is not covered in the shipping fee that Shock Surplus charges.