Features
- Single rear spring for replacement suspension service
- OEM-spec design manufactured to OE guidelines
- Produced under IATF 16949 quality standards
- Durable steel construction
- Black powder-coated finish for added protection
- Designed for 2012–2021 Toyota 4Runner models
- Brand: Eibach
- Part Number: R40018
- Proposition 65 warning applies
Description
At a Glance
- Fits: 2010-2023 Toyota 4Runner
- Brand / Part #: Eibach R40018
- Material: Steel
Restore dependable rear suspension performance with the Eibach R40018 Single Rear Spring. Designed as a high-quality OEM-spec replacement, this rear coil spring is engineered to meet OE guidelines and is manufactured under IATF 16949 quality standards. It provides a direct, reliable solution for replacing a worn or damaged rear spring while helping maintain the intended ride height, handling, and load-support characteristics of your Toyota 4Runner.
The Eibach R40018 is constructed from durable steel and protected with a black powder-coated finish for enhanced resistance to corrosion and everyday road exposure. Its application-specific design supports proper suspension alignment and consistent operation when installed with compatible suspension components. This listing includes one rear spring, making it suitable for replacement of a single damaged or fatigued spring.
The Eibach R40018 rear spring fits 2012 through 2021 Toyota 4Runner models. Confirm vehicle application and suspension configuration before ordering to ensure proper compatibility. Professional installation is recommended, as spring replacement requires appropriate compression equipment and safe suspension service procedures. This product may contain chemicals identified under California Proposition 65.
Specifications:
- Color: Black
- Finish: Powder Coated
- Material: Steel
- Part Number: R40018
Fits:
- 2010 Toyota 4Runner (2.7L)
- 2010-2023 Toyota 4Runner (4.0L)
Fitment note: Replaces OE PN: 48231-35350/48231-35460
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Specifications
| Material | Steel |
|---|---|
| Finish | Powder Coated |
| Color | Black |



