RS5000X Suspension Shock Absorber - Rancho Suspensions (RS55370)
Rancho Suspensions part # RS55370
Rancho RS5000X RS55370 Suspension Shock Absorber for Chevrolet Silverado 2500 HD
RS5000X Shock Absorber
RS5000X Suspension Shock Absorber
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Product Details
Installation GuideDescription
Rancho RS5000X RS55370 Suspension Shock Absorber for Chevrolet Silverado 2500 HD
RS5000X Shock Absorber
RS5000X Suspension Shock Absorber
Features & Benefits
- IMPROVED HANDLING AND PERFORMANCE -- Cross Tuned technology featuring exclusive rebound valving system and advanced compression phase improves overall handling and performance on and off road
- MINIMIZES ROUGH RIDE -- Exclusive Progressive Engagement Valving is custom-tuned for each vehicle to help reduce initial impacts at low speeds and minimizes a rough ride
- STRONG AND DURABLE -- Features a 16mm nitro-carburized piston rod to resist scuffs & corrosion, double-welded loops at stress areas, 35mm sintered iron piston for enhanced structural integrity and polyvinyl protective boot
- HANDLES EXTREME TEMPERATURE CHANGES -- Large twin-tube body filled with all-weather fluid allows for cooler operation, increased vehicle control and ability to withstand internal temperatures of -40 to 248°F
- SMOOTH PERFORMANCE -- Polyurethane rebound bumper and rubber bushings help absorb ride harshness while the fluon-banded piston enhances responsiveness to changing road conditions for an overall smoother ride
- REDUCES FADE -- Nitrogen gas pressurized to 150 PSI to minimize air-to-oil mixture to reduce damping performance fade and foaming
- MAINTAINS VEHICLE CONTROL -- Compression Control Valve is custom-tuned for each vehicle to regulate fluid transfer to absorb impacts without disc flutter and help maintain shock motion control
- BUILT TO LAST -- Low-friction, self-lubricating seal retains gas and oil for quicker rebound and smoother compression while the application-specific piston delivers heightened control of shock motion due to the expanded piston area
- BUY WITH CONFIDENCE -- Comes with Rancho’s Limited Lifetime Warranty
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|---|---|---|---|
| Brand | Equivalent Part Numbers |
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Shipping Policy
At Restauco Parts, we ship to the 48 contiguous U.S. states and Puerto Rico. Every order ships from our supplier's authorized warehouses located in the United States. At this time we do not ship to Alaska, Hawaii, the U.S. Virgin Islands, Guam or other U.S. territories.
When will my order be processed?
Orders are processed Monday through Friday. Most orders are processed within 1–3 business days from the date of purchase. You will receive a tracking number by email once your order has shipped. Weekend orders will be processed the next business day.
How long will it take to receive my order?
Ground shipments usually take 3–7 business days depending on your location. In-stock orders typically ship within 1–2 business days of processing. Oversized shipments may require additional time — you will be contacted prior to shipping for approval.
Which carriers do you use?
We ship via UPS, FedEx, and USPS depending on the size, weight, and destination of your order. The most appropriate carrier will be selected at the time of fulfillment. Carrier substitutions may be made to reduce shipping costs to the customer.
Do you ship internationally?
We do not ship internationally. We ship within the 48 contiguous U.S. states and Puerto Rico.
VIN Requirement
We strive for 100% accuracy on all orders. To help us achieve this goal, we ask that you include your car's VIN when placing your order. This is a courtesy service to help avoid wrong part orders and returns. We are not responsible for 100% guaranteed fitment.
Backordered or Discontinued Parts
In the unlikely event that a part has been placed on backorder or discontinued, we will do our best to find it for you as quickly as possible.
Questions?
If you have any questions about your shipment, please contact us at [email protected]
Return Policy
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 be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You'll also need the receipt or proof of purchase. To start a return, you can contact us at [email protected] Please note that returns can be made to several branches, contact us to provide thhe correct information.
If your return is accepted, the refund will be processed between 3-4 business day once we receive the item. Items sent back to us without first requesting a return will not be accepted. NOTE: We don't make refund for shipping cost. You can always contact us for any return question at [email protected].
Damages and Issues
Please inspect your order upon receipt and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Refunds
We will notify you once we've received and inspected your return, and let you know if the refund was approved or not. If approved, you'll be automatically refunded on your original payment method within 10 business days (excluding shipping cost). Please remember it can take some time for your bank or credit card company to process and post the refund too. If more than 15 business days have passed since we’ve approved your return, please contact us at [email protected].

Rancho Suspensions
Rancho shock absorbers, struts, and suspension lift kits deliver rugged off-road performance and improved ride quality for trucks and SUVs. Shop Rancho Suspensions at Restauco for RS5000X, RS9000XL adjustable shocks, and leveling kits built for demanding terrain. Buy Rancho replacement suspension parts online across all 50 states and upgrade your truck's capability and comfort. Order from Restauco with fast nationwide shipping.
Restauco Parts is your trusted online source for genuine OEM and premium aftermarket auto parts. We carry top brands including ACDelco, GM Genuine Parts, Motorcraft, Dorman, Akebono, Wagner, and Bilstein. Whether you need brake pads, suspension parts, ignition coils, fuel pumps, or engine components, we offer competitive prices and fast shipping on thousands of parts for all major makes and models. Shop with confidence — every part we sell meets or exceeds OEM quality standards.

