Rancho Suspension Shock Absorber RS55185
Rancho Suspension Shock Absorber RS55185

Rear Shock Absorber for 1991-2003 Ford Explorer & More - Rancho RS55185

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$90.99
MPN: RS55185
Item Package Code: EA
Part Has Core (Y/N): N
Item Package Quantity: 1
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Rancho Suspension Shock Absorber P/N:RS55185
Rancho Suspension Shock Absorber P/N:RS55185
$90.99

Smooth out the ride and tighten body control with the Rancho RS5000X shock absorber RS55185, a rear-position damper. It fits many vehicles, among them the 1991-2003 Ford Explorer, 2001-2005 Ford Explorer Sport Trac and 2001-2003 Ford Explorer Sport. See the Buyer's Guide tab for the full list and engine-level detail.

At its core is Rancho's exclusive Cross Tuned technology, a rebound valving system with an advanced compression phase designed to improve on- and off-road handling. Exclusive Progressive Engagement Valving is custom-tuned per vehicle to help soften low-speed initial impacts, and a Compression Control Valve regulates fluid transfer to help maintain motion control.

  • Strong and durable: 16 mm nitro-carburized piston rod resists scuffs and corrosion, with double-welded loops at stress areas, a 35 mm sintered iron piston and a polyvinyl protective boot.
  • Twin-tube design: large 2 1/4-inch twin-tube body filled with all-weather fluid, rated to withstand internal temperatures from -40 to 248°F.
  • Reduced fade: nitrogen gas pressurized to 150 PSI to minimize air-to-oil mixing, helping reduce damping fade and foaming.
  • Smoother feel: polyurethane rebound bumper, rubber bushings and a fluon-banded piston help absorb harshness.

Backed by Rancho's Limited Lifetime Warranty.

Interchange: 813039 · 342506 · 77679 · G63607 · G63679 · 344269 · 565003 · KG5490 · 210167 · 210402 · 37035 · 911035 · RS5185 · 12140136

This part cross-references / interchanges with the following part numbers:

813039, 342506, 77679, G63607, G63679, 344269, 565003, KG5490, 210167, 210402, 37035, 911035, RS5185, 12140136

Frequently Asked Questions

Is this the right 1991-2003 Ford Explorer shock absorber?

Yes, RS55185 is listed for the 1991-2003 Ford Explorer, plus the 2001-2003 Ford Explorer Sport and 2001-2005 Ford Explorer Sport Trac. Check the Buyer's Guide tab to confirm your exact vehicle.

What position does this shock mount in?

This RS5000X shock is cataloged for the rear position on the listed applications. Confirm your fitment in the Buyer's Guide tab before ordering.

What is Cross Tuned technology?

It's Rancho's exclusive rebound valving system paired with an advanced compression phase, designed to improve overall on- and off-road handling and performance.

How is this shock built for durability?

It uses a 16 mm nitro-carburized piston rod to resist scuffs and corrosion, double-welded loops at stress areas, a 35 mm sintered iron piston and a polyvinyl protective boot.

What are signs this shock may need replacing?

Excessive bouncing, a rougher ride, poor body control, or fluid leakage can indicate a worn shock. Diagnose the cause before replacing, as other suspension parts may be involved.

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