Monroe Shock Limited Lifetime Warranty Shock Absorber 66458 - Magnum
Monroe Shock Limited Lifetime Warranty Shock Absorber 66458 - Magnum
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Monroe Shock 66458 Limited Lifetime Warranty
For Use With 2018-2022 Freightliner Cascadia Models featuring Front and Nitrogen Gas Charged.
Features & Benefits
- Heavy-duty nitrocarburized rod and sintered iron piston enhance durability for longer service life while self-lubricating fluid seal reduces friction against piston rod to reduce wear
- Larger bore and bigger 2-inch reserve tube work together to hold more oil for greater capacity to allow the shock to work efficiently for controlled ride and longer service life
- Nitrogen gas charge maintains tire-to-road contact for improved ride and handling by reducing aeration and shock fade
- Oe all-weather fluid contains special modifiers to handle extreme temperatures and help reduce friction and ensure smooth rod reaction
- Engineered for hardworking full-size trucks and vans and features full-displaced valving on compression cycles to deliver controlled ride and handling
- Limited Lifetime Warranty
- Front
- Nitrogen Gas Charged
- Monroe’s 90 day risk free ride offer and limited commercial warranty
- 10-Stage Valving
- 20.74 inch Extended Length
- 13.89 inch Compressed Length
- Loop bushing and sleeve lower/ upper mount
- Without Boots
- With Dust shield
- Black
- Single
Specifications
| Model | Limited Lifetime Warranty |
| Color | Black |
| Weight | 5.1 lb |
| Dimensions | 23.25 x 4 x 2.62 in |
| Brand | Monroe Shock |
| Manufacturer Part Number | 66458 |
| UPC | 048598228789 |
Frequently Asked Questions
What color is this auto part?
This is the Black variant of the Limited Lifetime Warranty from Monroe Shock.
What stands out about this auto part?
Key details include nitrogen gas charged. Review the full feature list and specifications on this page for complete details.
How much does this product weigh?
This item weighs approximately 5.10 lb.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

