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KYB 3448018 Shock Absorber - Rear
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.
| Brand | KYB |
|---|---|
| Part Number | 3448018 |
| Position | Excel-G, Rear |
| Compressed Length | 14.96 |
| Extended Length | 21.25 |
| Lower Mount Type | E2(13.2X63.9) |
| R-stop | Y |
| Stroke Length | 6.29 |
| Upper Mount Type | S1(10MM) |
This part fits 61 vehicles. Search below:
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2021 | BMW | 230i | Convertible | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension); w/o sport Suspension; Excel-G |
| 2021 | BMW | 230i | Coupe | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension); w/ Sport Suspension; Excel-G |
| 2020 | BMW | 230i | Convertible | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension); w/o sport Suspension; Excel-G |
| 2020 | BMW | 230i | Coupe | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension); w/ Sport Suspension; Excel-G |
| 2020 | BMW | 230i xDrive | Convertible | Rear | Recommended OEM Replacement; Except Adaptive Control Suspension; Excel-G |
| 2020 | BMW | 430i | Convertible | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2020 | BMW | 430i Gran Coupe | Rear | Recommended OEM Replacement; w/ M Sport Suspension (Except Adaptive Control Suspension); Excel-G | |
| 2020 | BMW | 440i | Convertible | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2020 | BMW | 440i Gran Coupe | Rear | w/ Sport Suspension (Except Adaptive Control Suspension); Excel-G | |
| 2019 | BMW | 230i | Convertible | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension); w/o sport Suspension; Excel-G |
| 2019 | BMW | 230i | Coupe | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension); w/ Sport Suspension; Excel-G |
| 2019 | BMW | 230i xDrive | Convertible | Rear | Recommended OEM Replacement; Except Adaptive Control Suspension; Excel-G |
| 2019 | BMW | 330i GT xDrive | Rear | (Except Adaptive Control Suspension); Excel-G | |
| 2019 | BMW | 340i GT xDrive | Rear | (Except Adaptive Control Suspension); Excel-G | |
| 2019 | BMW | 430i | Convertible | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2019 | BMW | 430i Gran Coupe | Rear | Recommended OEM Replacement; w/ M Sport Suspension (Except Adaptive Control Suspension); Excel-G | |
| 2019 | BMW | 440i | Convertible | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2019 | BMW | 440i Gran Coupe | Rear | w/ Sport Suspension (Except Adaptive Control Suspension); Excel-G | |
| 2018 | BMW | 230i | Convertible | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension); w/o sport Suspension; Excel-G |
| 2018 | BMW | 230i | Coupe | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension); w/ Sport Suspension; Excel-G |
| 2018 | BMW | 230i xDrive | Convertible | Rear | Recommended OEM Replacement; Except Adaptive Control Suspension; Excel-G |
| 2018 | BMW | 330i GT xDrive | Rear | (Except Adaptive Control Suspension); Excel-G | |
| 2018 | BMW | 340i GT xDrive | Rear | (Except Adaptive Control Suspension); Excel-G | |
| 2018 | BMW | 430i | Convertible | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2018 | BMW | 430i Gran Coupe | Rear | Recommended OEM Replacement; w/ M Sport Suspension (Except Adaptive Control Suspension); Excel-G | |
| 2018 | BMW | 440i | Convertible | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2018 | BMW | 440i Gran Coupe | Rear | w/ Sport Suspension (Except Adaptive Control Suspension); Excel-G | |
| 2017 | BMW | 230i | Convertible | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension); w/o sport Suspension; Excel-G |
| 2017 | BMW | 230i | Coupe | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension); w/ Sport Suspension; Excel-G |
| 2017 | BMW | 230i xDrive | Convertible | Rear | Recommended OEM Replacement; Except Adaptive Control Suspension; Excel-G |
| 2017 | BMW | 330i GT xDrive | Rear | (Except Adaptive Control Suspension); Excel-G | |
| 2017 | BMW | 340i GT xDrive | Rear | (Except Adaptive Control Suspension); Excel-G | |
| 2017 | BMW | 430i | Convertible | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2017 | BMW | 430i | Coupe | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension) w/ Sport Suspension; Excel-G |
| 2017 | BMW | 430i Gran Coupe | Rear | Recommended OEM Replacement; w/ M Sport Suspension (Except Adaptive Control Suspension); Excel-G | |
| 2017 | BMW | 430i xDrive | Coupe | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2017 | BMW | 440i | Convertible | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2017 | BMW | 440i | Coupe | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension) w/ Sport Suspension; Excel-G |
| 2017 | BMW | 440i Gran Coupe | Rear | w/ Sport Suspension (Except Adaptive Control Suspension); Excel-G | |
| 2017 | BMW | 440i xDrive | Coupe | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2016 | BMW | 228i | Coupe | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension); w/ Sport Suspension; Excel-G |
| 2016 | BMW | 228i | Convertible | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension); w/o Sport Suspension; Excel-G |
| 2016 | BMW | 228i xDrive | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G | |
| 2016 | BMW | 328i GT xDrive | Rear | (Except Adaptive Control Suspension); Excel-G | |
| 2016 | BMW | 335i GT xDrive | Rear | (Except Adaptive Control Suspension); Excel-G | |
| 2016 | BMW | 428i | Coupe | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension) w/ Sport Suspension; Excel-G |
| 2016 | BMW | 428i | Convertible | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2016 | BMW | 428i xDrive | Coupe | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2016 | BMW | 435i | Coupe | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension) w/ Sport Suspension; Excel-G |
| 2016 | BMW | 435i | Convertible | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2016 | BMW | 435i xDrive | Coupe | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2015 | BMW | 228i | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension); w/ Sport Suspension; Excel-G | |
| 2015 | BMW | 428i | Convertible | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2015 | BMW | 428i xDrive | Convertible | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2015 | BMW | 435i | Convertible | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2015 | BMW | 435i xDrive | Convertible | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2015 | BMW | 435i xDrive Gran Coupe | Rear | (Except Adaptive Control Suspension); Excel-G | |
| 2014 | BMW | 228i | Rear | Recommended OEM Replacement; (Except Adaptive Control Suspension); w/ Sport Suspension; Excel-G | |
| 2014 | BMW | 428i | Convertible | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2014 | BMW | 428i xDrive | Convertible | Rear | Recommended OEM Replacement (Except for vehicles with Adaptive Control Suspension); Excel-G |
| 2014 | BMW | 435i | Convertible | Rear | Recommended 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.