RS5000X SERIES SHOCK RS55263
RS5000X SERIES SHOCK RS55263 - view 2
RS5000X SERIES SHOCK RS55263
RS5000X SERIES SHOCK RS55263 - view 2

Rancho Suspension Shock Absorber P/N:RS55263

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$95.99
MPN: RS55263
Item Package Code: EA
Part Has Core (Y/N): N
Item Package Quantity: 1
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Rancho Suspension Shock Absorber P/N:RS55263
Rancho Suspension Shock Absorber P/N:RS55263
$95.99

Tame rough pavement and the trail with the Rancho RS5000X Suspension Shock Absorber RS55263, a front-position twin-tube shock built around Rancho's exclusive Cross Tuned technology — a rebound valving system paired with an advanced compression phase to sharpen on- and off-road handling. It's a direct-fit replacement for the 2002 Chevrolet C1500, 1999-2006 Chevrolet Silverado 1500, 2007 Chevrolet Silverado 1500 Classic, 1999-2004 Chevrolet Silverado 2500, 1999-2006 GMC Sierra 1500, 2007 GMC Sierra 1500 Classic, and 1999-2004 GMC Sierra 2500 — see the Buyer's Guide tab for engine-level fitment.

  • Progressive Engagement Valving: custom-tuned for each vehicle to help reduce initial low-speed impacts and minimize a rough ride.
  • Strong and durable: 16mm nitro-carburized piston rod to resist scuffs and corrosion, double-welded loops at stress areas, 35mm sintered iron piston, and a polyvinyl protective boot.
  • Extreme-temperature ready: large twin-tube body filled with all-weather fluid for cooler operation, rated to withstand internal temperatures of -40 to 248°F.
  • Reduces fade: nitrogen gas pressurized to 150 PSI to minimize air-to-oil mixing that causes damping fade and foaming.

A low-friction, self-lubricating seal retains gas and oil for quicker rebound and smoother compression, and it's backed by Rancho's Limited Lifetime Warranty.

Interchange: MS3431351B · MS3431361B · TS3330892B · TS3431361B · HD12140876 · 341597 · G63783 · 344380 · 551121 · 210238 · 210419 · 34675 · 37149 · 911149 · 76675 · RS5263

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

MS3431351B, MS3431361B, TS3330892B, TS3431361B, HD12140876, 341597, G63783, 344380, 551121, 210238, 210419, 34675, 37149, 911149, 76675, RS5263

Frequently Asked Questions

What vehicles does the Rancho RS55263 fit?

It's a front-position direct-fit replacement for the 1999-2006 Chevrolet Silverado 1500 and GMC Sierra 1500, plus additional Chevrolet and GMC 1500 and 2500 applications — see the Buyer's Guide tab for the full list.

What is Cross Tuned technology?

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

How is this shock built to last?

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

Why is it nitrogen gas pressurized?

The shock is nitrogen gas pressurized to 150 PSI to minimize air-to-oil mixing, which helps reduce damping performance fade and foaming during use.

Should I replace shocks in pairs?

This listing is for one shock. Replacing shocks as a matched pair per axle is a recommended best practice for balanced, even ride control.

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