Homeโ€บ Suspension > Shocks and Strutsโ€บ Rancho RS55166 Shock Absorber - Front
Part #: RS55166

Rancho RS55166 Shock Absorber - Front

RS5000X, Front
135 vehicles fit this part
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RS5000X, Front
Fitment: Chevrolet and GMC, C2500, C35, C3500, Tahoe, C1500, C1500 Suburban, C2500 Suburban, and Yukon
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Overview of Rancho RS55166 Suspension Shock Absorber

The Rancho RS55166 suspension shock absorber is engineered for Chevrolet and GMC trucks and SUVs, including models like the C1500, C2500, Tahoe, and Yukon. Designed to provide reliable damping performance, this shock absorber supports improved ride quality and vehicle control under various driving conditions.

  • Compatible with Chevrolet and GMC C35, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, Tahoe, and Yukon models
  • Part number RS55166 for precise identification
  • Includes dust shield for extended durability
  • Extended bumper stop included for enhanced suspension travel protection
  • Cross pin mount lower mounting with 5/16" hole diameter
  • Stem mount upper mounting with 2.3/8" stem length and 3/8"-16 thread pitch
  • Travel length of 4.38 inches for effective shock absorption

Details on Rancho RS5000X Product Line

The RS5000X line from Rancho focuses on delivering dependable suspension shock absorbers tailored for light trucks and SUVs. This product line emphasizes durability and consistent performance, making it suitable for vehicles like Chevrolet and GMC full-size trucks and SUVs. The RS55166 shock absorber is part of this line, offering features such as a dust shield and extended bumper stop to protect suspension components during operation.

Technical Specifications and Features

The RS55166 shock absorber has a compressed length of 9.45 inches and an extended length of 13.83 inches, providing a travel length of 4.38 inches. It features a reserve tube diameter of 2.251 inches, contributing to its structural integrity. The lower mounting uses a cross pin mount with a closed-ended design and a 5/16" hole inner diameter, while the upper mounting is a stem mount with a 2.3/8" stem length and 3/8"-16 thread pitch. The shock absorber includes an extended bumper stop but does not have a compressed bumper stop or extended hydraulic lockout. A dust shield is included to help protect the shock from debris and extend its service life.

Applications and Problem Solving

  • Improves ride stability and handling on Chevrolet and GMC trucks and SUVs
  • Reduces suspension wear by providing controlled damping
  • Protects suspension components with included dust shield and extended bumper stop
  • Addresses issues related to rough road conditions and heavy load handling
  • Helps restore factory ride height and suspension travel

Installation Notes and Tips

When installing the RS55166 shock absorber, ensure compatibility with your specific Chevrolet or GMC model. Verify the cross pin mount lower mounting and stem mount upper mounting dimensions for proper fitment. Use the included parts pack P01134 for installation hardware. It is recommended to inspect suspension components for wear and replace in pairs to maintain balanced handling. Proper torque specifications should be followed to secure mounting points.

Quality Assurance and Warranty

Rancho RS5000X shock absorbers are manufactured to meet OEM standards for durability and performance. The RS55166 part number undergoes quality control to ensure consistent operation under demanding conditions. While specific warranty details are not provided here, Rancho typically offers coverage against manufacturing defects. Consult product documentation or manufacturer resources for warranty terms.

BrandRancho
Part NumberRS55166
PositionRS5000X, Front
S4
Compressed Bumper StopNo
Compressed Length9.45
Dust Shield IncludedYes
Extended Bumper StopYes
Extended Hydraulic LockoutNo
Extended Length13.83
Lower Mounting CodeXP5
Lower Mounting DescriptionCross Pin Mount - Closed Ended, 5/16" Hole ID (Both Ends) X 2.1/2" Pin Length (Hole Center to Center)
Parts PackP01134
Reserve Tube Diameter2.251
Travel Length4.38
Upper Mounting DescriptionStem Mount - 2.3/8" Stem Length X 3/8"-16 Thread Pitch

This part fits 135 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
2000ChevroletC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
2000ChevroletC35FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
2000ChevroletC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
2000ChevroletTahoeRWD5.7LV8FrontOld Body Style; Slight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
2000GMCC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
2000GMCC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1999ChevroletC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1999ChevroletC1500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1999ChevroletC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1999ChevroletC2500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1999ChevroletC35FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1999ChevroletC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1999ChevroletTahoeRWDFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1999GMCC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1999GMCC1500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1999GMCC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1999GMCC2500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1999GMCC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1999GMCYukonRWDFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1998ChevroletC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1998ChevroletC1500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1998ChevroletC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1998ChevroletC2500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1998ChevroletC35FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1998ChevroletC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1998ChevroletTahoeRWDFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1998GMCC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1998GMCC1500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1998GMCC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1998GMCC2500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1998GMCC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1998GMCYukonRWDFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1997ChevroletC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1997ChevroletC1500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1997ChevroletC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1997ChevroletC2500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1997ChevroletC35FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1997ChevroletC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1997ChevroletTahoeRWDFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1997GMCC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1997GMCC1500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1997GMCC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1997GMCC2500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1997GMCC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1997GMCYukonRWDFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1996ChevroletC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1996ChevroletC1500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1996ChevroletC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1996ChevroletC2500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1996ChevroletC35FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1996ChevroletC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1996ChevroletTahoeRWDFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1996GMCC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1996GMCC1500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1996GMCC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1996GMCC2500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1996GMCC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1996GMCYukonRWDFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1995ChevroletC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1995ChevroletC1500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1995ChevroletC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1995ChevroletC2500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1995ChevroletC35FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1995ChevroletC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1995ChevroletTahoeRWDFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1995GMCC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1995GMCC1500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1995GMCC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1995GMCC2500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1995GMCC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1995GMCYukonRWDFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1994ChevroletC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1994ChevroletC1500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1994ChevroletC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1994ChevroletC2500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1994ChevroletC35FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1994ChevroletC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1994GMCC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1994GMCC1500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1994GMCC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1994GMCC2500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1994GMCC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1994GMCYukonRWDFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1993ChevroletC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1993ChevroletC1500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1993ChevroletC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1993ChevroletC2500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1993ChevroletC35FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1993ChevroletC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1993GMCC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1993GMCC1500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1993GMCC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1993GMCC2500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1993GMCC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1993GMCYukonRWDFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1992ChevroletC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1992ChevroletC1500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1992ChevroletC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1992ChevroletC2500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1992ChevroletC35FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1992ChevroletC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1992GMCC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1992GMCC1500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1992GMCC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1992GMCC2500 SuburbanFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1992GMCC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1992GMCYukonRWDFrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in) to 1.0 (in); RS5000X
1991ChevroletC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1991ChevroletC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1991ChevroletC35FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1991ChevroletC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1991GMCC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1991GMCC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1991GMCC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1990ChevroletC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1990ChevroletC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1990ChevroletC35FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1990ChevroletC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1990GMCC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1990GMCC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1990GMCC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1989ChevroletC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1989ChevroletC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1989ChevroletC35FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1989ChevroletC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1989GMCC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1989GMCC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1989GMCC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1988ChevroletC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1988ChevroletC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1988ChevroletC35FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1988ChevroletC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1988GMCC1500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1988GMCC2500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X
1988GMCC3500FrontSlight Grinding of Lower Control Arm is Required; with Front Raised Height 0 (in); RS5000X

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

RS5166

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.