HomeSuspension > Shocks and StrutsKYB 343423 Shock Absorber - Rear
Part #: H86576

KYB 343423 Shock Absorber - Rear

Excel-G
19 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$53.77Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Excel-G
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of KYB Excel-G Suspension Shock Absorber 343423

The KYB Excel-G Suspension Shock Absorber 343423 is designed to restore the original ride quality and handling of your Chevrolet Aveo, Aveo5, Pontiac G3, or Wave. Engineered to meet or exceed OEM specifications, this shock absorber provides reliable performance for daily driving conditions.

  • Compressed length: 14.88 inches
  • Extended length: 23.5 inches
  • Stroke length: 8.62 inches
  • Lower mount type: E2(10x50)
  • Upper mount type: S1
  • Includes R-stop for controlled rebound
  • No dust cover or internal rebound spring included

About the KYB Excel-G Product Line

The Excel-G line from KYB focuses on delivering shock absorbers that restore original equipment ride and handling characteristics. Designed as a direct replacement, the Excel-G shocks are engineered to provide consistent damping performance and durability. The 343423 part number is part of this line, ensuring compatibility and quality for Chevrolet Aveo and Pontiac G3 models.

Detailed Product Description

This KYB Excel-G shock absorber features a compressed length of 14.88 inches and an extended length of 23.5 inches, with a stroke length of 8.62 inches, making it suitable for the specified vehicle models. The lower mount uses an E2(10x50) configuration, while the upper mount is type S1, ensuring proper fitment and secure installation. The inclusion of an R-stop helps control rebound movement, improving vehicle stability during driving. Note that this shock absorber does not include a dust cover or internal rebound spring, which aligns with the original equipment design for these vehicles.

Common Applications and Issues Addressed

  • Restores proper suspension damping for Chevrolet Aveo and Pontiac G3 models
  • Reduces excessive bouncing and improves ride comfort
  • Corrects handling issues caused by worn or damaged shocks
  • Minimizes vehicle body roll during cornering
  • Improves overall vehicle stability and control

Installation Notes and Tips

  • Verify compatibility with Chevrolet Aveo, Aveo5, Pontiac G3, or Wave before installation
  • Inspect mounting points for wear or damage prior to installation
  • Use proper tools to avoid damage to mounts and fasteners
  • Follow vehicle manufacturer torque specifications for mounting hardware
  • Consider replacing shocks in pairs for balanced suspension performance

Quality Assurance and Warranty

KYB Excel-G shock absorbers are manufactured to meet strict quality standards and OEM specifications. The 343423 part number undergoes rigorous testing to ensure durability and consistent performance. While specific warranty details may vary, KYB typically offers a limited warranty covering defects in materials and workmanship. Refer to KYB documentation for exact warranty terms.

BrandDorman
Part NumberH86576
PositionExcel-G
Bracket IncludedNo
ColorBlack
Describe TypeFlexible Hose
End 1 Fitting MaterialTreated Steel
End 1 Fitting TypeJunction
End 1 Thread Diameter3/8 in-24
End 2 Fitting Inside Diameter7/16 in-24
End 2 Fitting MaterialTreated Steel
End 2 Fitting TypeFemale
Gasket Or Seal IncludedNo
Hose MaterialEPDM Rubber
Jacket IncludedNo
Mounting Hardware IncludedNo
Outer Sleeve MaterialRubber
Overall Length12.75
Package Contents1 Brake Hose

This part fits 19 vehicles. Search below:

YearMakeModelPositionNotes
2011ChevroletAveoRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2011ChevroletAveo5RearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2010ChevroletAveoRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2010ChevroletAveo5RearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2010PontiacG3RearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2009ChevroletAveoRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2009ChevroletAveo5RearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2009PontiacG3RearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2008ChevroletAveoRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2008ChevroletAveo5RearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2008PontiacWaveRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2007ChevroletAveoRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2007ChevroletAveo5RearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2007PontiacWaveRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2006ChevroletAveoRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2006PontiacWaveRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2005ChevroletAveoRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2005PontiacWaveRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2004ChevroletAveoRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G

* 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:

1244629150.6230818J2120220118045367677706987-36308B916221BH177069BH86576HB-82308

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