HomeSuspension > Shocks and StrutsKYB 3448018 Shock Absorber - Rear
Part #: 3448018

KYB 3448018 Shock Absorber - Rear

Excel-G, Rear
61 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Excel-G, Rear
Fitment: BMW, 230i, 230i xDrive, 430i, 430i Gran Coupe, 440i, 430i xDrive, 440i xDrive, 228i, 228i xDrive, 428i, 428i xDrive, 435i, and 435i xDrive
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Overview of KYB Excel-G Suspension Shock Absorber 3448018

The KYB Excel-G Suspension Shock Absorber 3448018 is engineered to restore the original handling and control of your BMW 2 Series and 4 Series models. Designed specifically for vehicles such as the BMW 228i, 230i, 428i, 430i, 435i, and 440i, including their xDrive and Gran Coupe variants, this shock absorber ensures consistent performance and ride comfort.

  • Compressed Length: 14.96 inches
  • Extended Length: 21.25 inches
  • Stroke Length: 6.29 inches
  • Lower Mount Type: E2 (13.2x63.9)
  • Upper Mount Type: S1 (10mm)
  • R-stop included, B-stop not included
  • No dust cover or internal rebound spring

KYB Excel-G Product Line Details

The Excel-G line by KYB is designed to provide a balance between performance and comfort by restoring original equipment ride quality. This suspension shock absorber line is tailored to meet or exceed OEM specifications, making it suitable for drivers looking to maintain factory handling characteristics on their BMW 228i, 230i, 428i, 430i, 435i, and 440i models. The Excel-G shocks are engineered to reduce noise and vibration without sacrificing control.

Technical Description and Features

The KYB Excel-G shock absorber 3448018 features a compressed length of 14.96 inches and an extended length of 21.25 inches, providing a stroke length of 6.29 inches. The lower mount uses an E2 type with dimensions 13.2x63.9 mm, while the upper mount is an S1 type with a 10 mm diameter. This shock absorber includes an R-stop to limit rebound travel but does not include a B-stop, dust cover, or internal rebound spring. These specifications ensure compatibility and reliable performance for the specified BMW models.

Common Applications and Problem Solving

  • Restores original ride comfort and handling on BMW 228i, 230i, 428i, 430i, 435i, and 440i models
  • Addresses excessive bouncing or poor shock absorption
  • Reduces vehicle body roll and improves stability during cornering
  • Eliminates uneven tire wear caused by worn shocks
  • Improves braking performance by maintaining tire contact with the road

Installation Notes and Tips

  • Ensure compatibility with your specific BMW model and year before installation
  • Check the lower mount (E2 13.2x63.9) and upper mount (S1 10mm) fitment for proper alignment
  • Inspect related suspension components for wear during installation
  • Professional installation is recommended to ensure safety and optimal performance

Quality Assurance and Warranty

KYB Excel-G shock absorbers are manufactured to meet or exceed OEM standards, providing reliable durability and consistent performance. While specific warranty details for part number 3448018 should be confirmed with the supplier or manufacturer, KYB typically offers a limited warranty covering defects in materials and workmanship.

BrandKYB
Part Number3448018
PositionExcel-G, Rear
Compressed Length14.96
Extended Length21.25
Lower Mount TypeE2(13.2X63.9)
R-stopY
Stroke Length6.29
Upper Mount TypeS1(10MM)

This part fits 61 vehicles. Search below:

YearMakeModelBody TypePositionNotes
2021BMW230iConvertibleRearRecommended OEM Replacement; (Except Adaptive Control Suspension); w/o sport Suspension; Excel-G
2021BMW230iCoupeRearRecommended OEM Replacement; (Except Adaptive Control Suspension); w/ Sport Suspension; Excel-G
2020BMW230iConvertibleRearRecommended OEM Replacement; (Except Adaptive Control Suspension); w/o sport Suspension; Excel-G
2020BMW230iCoupeRearRecommended OEM Replacement; (Except Adaptive Control Suspension); w/ Sport Suspension; Excel-G
2020BMW230i xDriveConvertibleRearRecommended OEM Replacement; Except Adaptive Control Suspension; Excel-G
2020BMW430iConvertibleRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2020BMW430i Gran CoupeRearRecommended OEM Replacement; w/ M Sport Suspension (Except Adaptive Control Suspension); Excel-G
2020BMW440iConvertibleRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2020BMW440i Gran CoupeRearw/ Sport Suspension (Except Adaptive Control Suspension); Excel-G
2019BMW230iConvertibleRearRecommended OEM Replacement; (Except Adaptive Control Suspension); w/o sport Suspension; Excel-G
2019BMW230iCoupeRearRecommended OEM Replacement; (Except Adaptive Control Suspension); w/ Sport Suspension; Excel-G
2019BMW230i xDriveConvertibleRearRecommended OEM Replacement; Except Adaptive Control Suspension; Excel-G
2019BMW330i GT xDriveRear(Except Adaptive Control Suspension); Excel-G
2019BMW340i GT xDriveRear(Except Adaptive Control Suspension); Excel-G
2019BMW430iConvertibleRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2019BMW430i Gran CoupeRearRecommended OEM Replacement; w/ M Sport Suspension (Except Adaptive Control Suspension); Excel-G
2019BMW440iConvertibleRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2019BMW440i Gran CoupeRearw/ Sport Suspension (Except Adaptive Control Suspension); Excel-G
2018BMW230iConvertibleRearRecommended OEM Replacement; (Except Adaptive Control Suspension); w/o sport Suspension; Excel-G
2018BMW230iCoupeRearRecommended OEM Replacement; (Except Adaptive Control Suspension); w/ Sport Suspension; Excel-G
2018BMW230i xDriveConvertibleRearRecommended OEM Replacement; Except Adaptive Control Suspension; Excel-G
2018BMW330i GT xDriveRear(Except Adaptive Control Suspension); Excel-G
2018BMW340i GT xDriveRear(Except Adaptive Control Suspension); Excel-G
2018BMW430iConvertibleRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2018BMW430i Gran CoupeRearRecommended OEM Replacement; w/ M Sport Suspension (Except Adaptive Control Suspension); Excel-G
2018BMW440iConvertibleRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2018BMW440i Gran CoupeRearw/ Sport Suspension (Except Adaptive Control Suspension); Excel-G
2017BMW230iConvertibleRearRecommended OEM Replacement; (Except Adaptive Control Suspension); w/o sport Suspension; Excel-G
2017BMW230iCoupeRearRecommended OEM Replacement; (Except Adaptive Control Suspension); w/ Sport Suspension; Excel-G
2017BMW230i xDriveConvertibleRearRecommended OEM Replacement; Except Adaptive Control Suspension; Excel-G
2017BMW330i GT xDriveRear(Except Adaptive Control Suspension); Excel-G
2017BMW340i GT xDriveRear(Except Adaptive Control Suspension); Excel-G
2017BMW430iConvertibleRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2017BMW430iCoupeRearRecommended OEM Replacement; (Except Adaptive Control Suspension) w/ Sport Suspension; Excel-G
2017BMW430i Gran CoupeRearRecommended OEM Replacement; w/ M Sport Suspension (Except Adaptive Control Suspension); Excel-G
2017BMW430i xDriveCoupeRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2017BMW440iConvertibleRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2017BMW440iCoupeRearRecommended OEM Replacement; (Except Adaptive Control Suspension) w/ Sport Suspension; Excel-G
2017BMW440i Gran CoupeRearw/ Sport Suspension (Except Adaptive Control Suspension); Excel-G
2017BMW440i xDriveCoupeRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2016BMW228iCoupeRearRecommended OEM Replacement; (Except Adaptive Control Suspension); w/ Sport Suspension; Excel-G
2016BMW228iConvertibleRearRecommended OEM Replacement; (Except Adaptive Control Suspension); w/o Sport Suspension; Excel-G
2016BMW228i xDriveRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2016BMW328i GT xDriveRear(Except Adaptive Control Suspension); Excel-G
2016BMW335i GT xDriveRear(Except Adaptive Control Suspension); Excel-G
2016BMW428iCoupeRearRecommended OEM Replacement; (Except Adaptive Control Suspension) w/ Sport Suspension; Excel-G
2016BMW428iConvertibleRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2016BMW428i xDriveCoupeRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2016BMW435iCoupeRearRecommended OEM Replacement; (Except Adaptive Control Suspension) w/ Sport Suspension; Excel-G
2016BMW435iConvertibleRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2016BMW435i xDriveCoupeRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2015BMW228iRearRecommended OEM Replacement; (Except Adaptive Control Suspension); w/ Sport Suspension; Excel-G
2015BMW428iConvertibleRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2015BMW428i xDriveConvertibleRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2015BMW435iConvertibleRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2015BMW435i xDriveConvertibleRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2015BMW435i xDrive Gran CoupeRear(Except Adaptive Control Suspension); Excel-G
2014BMW228iRearRecommended OEM Replacement; (Except Adaptive Control Suspension); w/ Sport Suspension; Excel-G
2014BMW428iConvertibleRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2014BMW428i xDriveConvertibleRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G
2014BMW435iConvertibleRearRecommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); 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:

33526863752335268686583352686866033526873722335268737393352687375633526873761335268737643352687376733526873791

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