Home› Rancho RS999949 Suspension Strut and Coil Spring Assembly - Front
Rancho RS999949 Suspension Strut and Coil Spring Assembly - FrontOE Quality 60-Day Returns
Part #: RS999949

Rancho RS999949 Suspension Strut and Coil Spring Assembly - Front

Front
43 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Silverado 1500 LD, Sierra 1500 Limited, Silverado 1500, and Sierra 1500
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Rancho Suspension Strut and Coil Spring Assembly Overview

The Rancho RS999949 suspension strut and coil spring assembly is engineered for Chevrolet and GMC full-size pickups, including the Sierra 1500, Sierra 1500 Limited, Silverado 1500, and Silverado 1500 LD. Designed to restore factory ride height and improve suspension performance, this assembly integrates a durable SS7 body type shock with a coil spring for reliable handling and comfort.

  • Compressed length: 13.85 inches
  • Travel length: 4.21 inches
  • Extended length: 18.06 inches
  • Body type: SS7 shock absorber
  • Upper and lower mounting: Loop bushing mount with 5/8" bushing ID and 1.5/16" bushing overall length
  • Includes parts pack P01577 for installation
  • No compressed or extended bumper stops or hydraulic lockout

Technical Details of Rancho RS999949 Strut Assembly

This suspension strut and coil spring assembly features a robust SS7 shock body type, known for its consistent damping performance. The assembly measures 13.85 inches in compressed length and extends to 18.06 inches, providing a travel length of 4.21 inches to accommodate suspension movement. Both upper and lower mounts utilize loop bushing mounts with a 5/8 inch inner diameter and 1.5/16 inch overall length bushings, ensuring secure and precise fitment. The absence of compressed or extended bumper stops and hydraulic lockout simplifies the design and reduces potential failure points.

Compatible Vehicles and Applications

This Rancho RS999949 suspension strut and coil spring assembly is compatible with the following vehicles:

  • Chevrolet Sierra 1500
  • Chevrolet Sierra 1500 Limited
  • Chevrolet Silverado 1500
  • Chevrolet Silverado 1500 LD
  • GMC Sierra 1500

It is designed to replace worn or damaged front suspension struts, restoring proper ride height and improving handling characteristics for these specific models.

Common Suspension Issues Addressed

  • Excessive front-end sag or uneven ride height
  • Reduced shock absorption and poor damping response
  • Clunking or noise from worn strut mounts or bushings
  • Degraded handling and stability during cornering or braking
  • Visible damage or leaks in existing strut assemblies

Installation Notes and Tips

  • Ensure vehicle is securely lifted and supported before removal
  • Use appropriate tools to remove loop bushing mounts without damage
  • Compare new assembly dimensions to old parts to confirm fitment
  • Torque mounting hardware to manufacturer specifications
  • Inspect related suspension components during installation for wear

Quality Assurance and Warranty

Rancho suspension components are manufactured to meet or exceed OEM standards for durability and performance. The RS999949 strut and coil spring assembly undergoes rigorous quality control to ensure consistent operation. Warranty coverage details should be confirmed with the product documentation or Rancho directly, as coverage may vary by application and region.

BrandRancho
Part NumberRS999949
Body TypeSS7
Compressed Bumper StopNo
Compressed Length13.85
Extended Bumper StopNo
Extended Hydraulic LockoutNo
Extended Length18.06
Lower Mounting DescriptionLoop Bushing Mount - 5/8" Bushing ID X 1.5/16" Bushing OAL
Parts PackP01577
Travel Length4.21
Upper Mounting DescriptionLoop Bushing Mount - 5/8" Bushing ID X 1.5/16" Bushing OAL

This part fits 43 vehicles. Search below:

YearMakeModelSubmodelDrive TypePositionNotes
2019ChevroletSilverado 1500 LD4WDFrontOld Body Style; Raises Front 2.0 (in)
2019GMCSierra 1500 Limited4WDFrontOld Body Style; Raises Front 2.0 (in)
2018ChevroletSilverado 1500LS4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2018ChevroletSilverado 1500Custom4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2018ChevroletSilverado 1500LT4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2018ChevroletSilverado 1500WT4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2018ChevroletSilverado 1500LTZ4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2018ChevroletSilverado 1500SSV4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2018GMCSierra 1500Base4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2018GMCSierra 1500SLT4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2018GMCSierra 1500SLE4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2017ChevroletSilverado 1500LS4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2017ChevroletSilverado 1500Custom4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2017ChevroletSilverado 1500LT4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2017ChevroletSilverado 1500WT4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2017ChevroletSilverado 1500LTZ4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2017ChevroletSilverado 1500SSV4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2017GMCSierra 1500Base4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2017GMCSierra 1500SLT4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2017GMCSierra 1500SLE4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2016ChevroletSilverado 1500LS4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2016ChevroletSilverado 1500Custom4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2016ChevroletSilverado 1500LT4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2016ChevroletSilverado 1500WT4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2016ChevroletSilverado 1500LTZ4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2016ChevroletSilverado 1500SSV4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2016GMCSierra 1500Base4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2016GMCSierra 1500SLT4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2016GMCSierra 1500SLE4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2015ChevroletSilverado 1500LS4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2015ChevroletSilverado 1500LT4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2015ChevroletSilverado 1500WT4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2015ChevroletSilverado 1500LTZ4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2015ChevroletSilverado 1500SSV4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2015GMCSierra 1500Base4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2015GMCSierra 1500SLT4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2015GMCSierra 1500SLE4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2014ChevroletSilverado 1500LT4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2014ChevroletSilverado 1500WT4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2014ChevroletSilverado 1500LTZ4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2014GMCSierra 1500Base4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2014GMCSierra 1500SLT4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)
2014GMCSierra 1500SLE4WDFrontwithout Magnetic Ride Control; Raises Front 2.0 (in)

* 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:

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

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