Monroe

Magnum OE Replacement Shocks

66841
$59.99

Out of Stock
Monroe

Magnum OE Replacement Shocks

66841
$59.99

Out of Stock
Authorized dealer
Free shipping on orders above $250 within the lower 48 United States
Brand new parts with warranty coverage
Free 30-day return and exchange on qualifying orders
Got Questions?
Our experts are here to help!
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
66841Shock Absorber123.5"14.38"9.13"EYELETEYELET
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
1981ChevroletC50Front
1980ChevroletC50Front
1979ChevroletC50Front
1978ChevroletC50Front
1977ChevroletC50Front
1976ChevroletC50Front
1975ChevroletC50Front
1974ChevroletC50Front
1973ChevroletC50Front
1981ChevroletC60Front
1980ChevroletC60Front
1979ChevroletC60Front
1978ChevroletC60Front
1977ChevroletC60Front
1976ChevroletC60Front
1975ChevroletC60Front
1974ChevroletC60Front
1973ChevroletC60Front
1972ChevroletC60Front
1971ChevroletC60Front
1970ChevroletC60Front
1969ChevroletC60Front
1968ChevroletC60Front
1967ChevroletC60Front
1966ChevroletC60Front
1981ChevroletC70Front
1980ChevroletC70Front
1979ChevroletC70Front
1993GilligSchool BusRear
1992GilligSchool BusRear
1991GilligSchool BusRear
1990GilligSchool BusRear
1989GilligSchool BusRear
1981GMCC5000Front
1980GMCC5000Front
1981GMCC6000Front
1980GMCC6000Front
1981GMCC7000Front
1980GMCC7000Front
1991HinoFE17Front
1990HinoFE17Front
1989HinoFE17Front
1988HinoFE17Front
1987HinoFE17Front
1986HinoFE17Front
1985HinoFE17Front
1984HinoFE17Front
1991HinoFE19Front
1990HinoFE19Front
1989HinoFE19Front
1988HinoFE19Front
1987HinoFE19Front
1986HinoFE19Front
1985HinoFE19Front
1992HinoFE20Front
2000International5070Rear
1969InternationalM1400Rear
1968InternationalM1400Rear
1967InternationalM1400Rear
1966InternationalM1400Rear
1990InternationalM1400 Metro IIRear
1989InternationalM1400 Metro IIRear
1988InternationalM1400 Metro IIRear
1987InternationalM1400 Metro IIRear
1990InternationalM1600 Metro IIRear
1989InternationalM1600 Metro IIRear
1988InternationalM1600 Metro IIRear
1987InternationalM1600 Metro IIRear
1988InternationalS1853Rear
1987InternationalS1853Rear
1986InternationalS1853Rear
1985InternationalS1853Rear
1984InternationalS1853Rear
1983InternationalS1853Rear
1982InternationalS1853Rear
1981InternationalS1853Rear

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 Info

    Free Shipping on most orders to the lower 48 U.S. states. Truck freight items (over 100 lbs) and custom orders require a separate shipping quote.

    • Applies to items like axles, leaf springs, and long-travel kits.
    • No international shipping on freight items — only to U.S.-based freight forwarders.
    • Worldwide shipping available: Canada, Europe, UAE, Australia, and most of Asia.

    Contact us for an international shipping quote.

    Returns & Exchanges

    30-Day Return Policy — Items must be new, unused, uninstalled, and include all original hardware.

    • No restocking fees for exchanges or gift card credit.
    • 10% restocking fee on refunds, returns cost us real money, so the 10% helps keep the lights on.
    • Installed, damaged, or dirty parts cannot be returned.
    • Any returns missing hardware or miscellaneous items, the return will be denied and returned to the buyer at the buyer's expense.

    Need help? Use Live Chat or Email Us anytime.

    Start a Return or Exchange

    Return Shipping Responsibility

    CHECKOUT+ Package and Order Protection plan provides prepaid return labels for any returned packages, this fee varies by product.

    • Our mistake (misboxed, wrong item, damaged): We cover the cost of return shipping.
    • Buyer mistake (wrong item ordered, fitment error, changed mind): Return shipping is the buyer's responsibility - unless CHECKOUT+ Package Protection has been purchased.

    • Under 50 lbs: Discounted carrier rate
    • Over 50 lbs: Discounted carrier rate + $25 oversize fee

    Refunds

    Refunds are issued within 5–7 business days of receiving your return.

    • Funds typically post to your account in 1–3 business days depending on your payment method.
    • There is a 10% restocking fee on all refunds. We don’t get our original shipping, labor, or transaction fees back — so the 10% restocking fee keeps the lights on.
    • You will receive an email once your refund is processed.

    International Orders

    • All international orders are final sale.
    • Returns via freight forwarders only accepted if the product hasn’t left the U.S.
    • Import taxes, duties, and other possible import-related fees are the buyer’s responsibility and not included in our shipping charges.
    • We are not responsible for goods once exported outside the U.S.

    Product Details

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

    Part Numbers & Details

    View full product specifications

    Close specs
    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
    66841Shock Absorber123.5"14.38"9.13"EYELETEYELET
    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
    1981ChevroletC50Front
    1980ChevroletC50Front
    1979ChevroletC50Front
    1978ChevroletC50Front
    1977ChevroletC50Front
    1976ChevroletC50Front
    1975ChevroletC50Front
    1974ChevroletC50Front
    1973ChevroletC50Front
    1981ChevroletC60Front
    1980ChevroletC60Front
    1979ChevroletC60Front
    1978ChevroletC60Front
    1977ChevroletC60Front
    1976ChevroletC60Front
    1975ChevroletC60Front
    1974ChevroletC60Front
    1973ChevroletC60Front
    1972ChevroletC60Front
    1971ChevroletC60Front
    1970ChevroletC60Front
    1969ChevroletC60Front
    1968ChevroletC60Front
    1967ChevroletC60Front
    1966ChevroletC60Front
    1981ChevroletC70Front
    1980ChevroletC70Front
    1979ChevroletC70Front
    1993GilligSchool BusRear
    1992GilligSchool BusRear
    1991GilligSchool BusRear
    1990GilligSchool BusRear
    1989GilligSchool BusRear
    1981GMCC5000Front
    1980GMCC5000Front
    1981GMCC6000Front
    1980GMCC6000Front
    1981GMCC7000Front
    1980GMCC7000Front
    1991HinoFE17Front
    1990HinoFE17Front
    1989HinoFE17Front
    1988HinoFE17Front
    1987HinoFE17Front
    1986HinoFE17Front
    1985HinoFE17Front
    1984HinoFE17Front
    1991HinoFE19Front
    1990HinoFE19Front
    1989HinoFE19Front
    1988HinoFE19Front
    1987HinoFE19Front
    1986HinoFE19Front
    1985HinoFE19Front
    1992HinoFE20Front
    2000International5070Rear
    1969InternationalM1400Rear
    1968InternationalM1400Rear
    1967InternationalM1400Rear
    1966InternationalM1400Rear
    1990InternationalM1400 Metro IIRear
    1989InternationalM1400 Metro IIRear
    1988InternationalM1400 Metro IIRear
    1987InternationalM1400 Metro IIRear
    1990InternationalM1600 Metro IIRear
    1989InternationalM1600 Metro IIRear
    1988InternationalM1600 Metro IIRear
    1987InternationalM1600 Metro IIRear
    1988InternationalS1853Rear
    1987InternationalS1853Rear
    1986InternationalS1853Rear
    1985InternationalS1853Rear
    1984InternationalS1853Rear
    1983InternationalS1853Rear
    1982InternationalS1853Rear
    1981InternationalS1853Rear
    Warranty

    View warranty coverage

    Close specs

    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

    Close specs

    Shipping Info

    Free Shipping on most orders to the lower 48 U.S. states. Truck freight items (over 100 lbs) and custom orders require a separate shipping quote.

    • Applies to items like axles, leaf springs, and long-travel kits.
    • No international shipping on freight items — only to U.S.-based freight forwarders.
    • Worldwide shipping available: Canada, Europe, UAE, Australia, and most of Asia.

    Contact us for an international shipping quote.

    Returns & Exchanges

    30-Day Return Policy — Items must be new, unused, uninstalled, and include all original hardware.

    • No restocking fees for exchanges or gift card credit.
    • 10% restocking fee on refunds, returns cost us real money, so the 10% helps keep the lights on.
    • Installed, damaged, or dirty parts cannot be returned.
    • Any returns missing hardware or miscellaneous items, the return will be denied and returned to the buyer at the buyer's expense.

    Need help? Use Live Chat or Email Us anytime.

    Start a Return or Exchange

    Return Shipping Responsibility

    CHECKOUT+ Package and Order Protection plan provides prepaid return labels for any returned packages, this fee varies by product.

    • Our mistake (misboxed, wrong item, damaged): We cover the cost of return shipping.
    • Buyer mistake (wrong item ordered, fitment error, changed mind): Return shipping is the buyer's responsibility - unless CHECKOUT+ Package Protection has been purchased.

    • Under 50 lbs: Discounted carrier rate
    • Over 50 lbs: Discounted carrier rate + $25 oversize fee

    Refunds

    Refunds are issued within 5–7 business days of receiving your return.

    • Funds typically post to your account in 1–3 business days depending on your payment method.
    • There is a 10% restocking fee on all refunds. We don’t get our original shipping, labor, or transaction fees back — so the 10% restocking fee keeps the lights on.
    • You will receive an email once your refund is processed.

    International Orders

    • All international orders are final sale.
    • Returns via freight forwarders only accepted if the product hasn’t left the U.S.
    • Import taxes, duties, and other possible import-related fees are the buyer’s responsibility and not included in our shipping charges.
    • We are not responsible for goods once exported outside the U.S.

    Customer Reviews

    0.0 Be the first to review this item
    5 ★
    0% 
    0
    4 ★
    0% 
    0
    3 ★
    0% 
    0
    2 ★
    0% 
    0
    1 ★
    0% 
    0
    Write a Review Ask a Question