-8%
Click to zoom in
Control Heat and Rough-Terrain Loads With a 60mm Reservoir Shock
Bilstein 25-294118 is a B8 8100 rear-left reservoir shock for compatible 2007-2021 Toyota Tundra applications with approximately 0 to 1.5 inches of rear lift. The large 60mm piston and 2.65-inch body increase oil capacity for sustained control over rough roads and trails.
Key Features
- Large-bore B8 8100 design with 60mm piston
- Remote reservoir increases cooling and oil volume
- Vehicle-specific velocity-sensitive digressive valving
- Rear-left direct-fit configuration
- EVO Grey finish with aerospace-quality billet components
- Bilstein 25-294118 is non-adjustable and sold individually
- Use the exact 25-294118 configuration; related Bilstein part numbers can have different dimensions, sides, or fitment
Fitment
| Year | Make | Model | Application Notes |
|---|---|---|---|
| 2007-2021 | Toyota | Tundra | Rear left; approximately 0-1.5 in. lift; verify suspension configuration |
Specifications
| Detail | Value |
|---|---|
| Manufacturer part number | 25-294118 |
| Series | B8 8100 |
| Position | Rear left |
| Collapsed length | 15.63 in. / 397.0 mm |
| Extended length | 25.12 in. / 638.0 mm |
| Upper mount | Stem |
| Lower mount | 12.4 mm eye |
| Body diameter | 2.65 in. |
| Piston diameter | 60 mm |
| Reservoir | Yes |
| Finish | EVO Grey |
| Damping | Non-adjustable |
| UPC | 651860888569 |
| Warranty | Bilstein limited 2-year warranty |
What's Included
- One rear-left B8 8100 shock absorber
- Reservoir assembly and application-specific mounting components supplied by Bilstein
About Bilstein
Bilstein develops OE and aftermarket monotube suspension systems using application-specific testing, gas-pressure technology, and controlled manufacturing standards. 25-294118 is engineered around the application and dimensions listed above.
Related Parts
- No internal recommendation is linked because a compatible companion part must be verified for the exact vehicle, suspension option, side, and ride height before purchase.
FAQ
What is the 25-294118?It is the Bilstein B8 8100 shock absorbers described on this page, supplied in the verified configuration and quantity shown above.
Is this sold as a pair or individually?One rear-left B8 8100 shock absorber; Reservoir assembly and application-specific mounting components supplied by Bilstein. The included-components section controls the package quantity.
Is the damping adjustable?Non-adjustable
Will this fit every trim of the listed vehicle?No. Confirm the year, model, suspension option, drivetrain, engine, ride height, and position notes before ordering.
Does installation require an alignment?An alignment is recommended whenever suspension geometry or ride height is changed, and after strut or spring service when specified by the vehicle manufacturer.
Can factory hardware be reused?Reuse hardware only when the Bilstein and vehicle service instructions allow it and the hardware passes inspection. Replace one-time-use or damaged fasteners.
What warranty applies?Bilstein limited 2-year warranty
What should be checked before installation?Compare the part number, side, mount style, suspension option, ride height, and included components with the vehicle and current Bilstein application data.
Installation Instructions
- Confirm the vehicle, suspension option, ride height, side, and mount configuration before installing Bilstein 25-294118.
- Support the vehicle safely and follow the factory service procedure for spring or damper removal.
- Inspect mounts, bushings, fasteners, and adjacent suspension components; replace worn or one-time-use hardware as required.
- Install the component in the specified orientation and route any reservoir hose away from heat, abrasion, and moving parts.
- Torque all fasteners at the suspension position specified by the vehicle and Bilstein instructions.
- Set the vehicle on the ground, verify clearance and ride height, road-test carefully, and perform an alignment when required.
California Proposition 65: Cancer and reproductive harm. See www.P65Warnings.ca.gov.
Bilstein
Shop Bilstein shocks, struts, coilovers, ride-height-adjustable dampers, lift and lowering suspension, springs, and installation components at Black Ops Auto Works. From OE-style replacement dampers to street-performance, track, towing, overland, and off-road systems, Bilstein offers vehicle-specific suspension solutions for cars, trucks, SUVs, vans, and performance platforms. Correct fitment depends on more than year, make, and model. Always verify the Bilstein manufacturer part number, front or rear position, drivetrain, cab and bed configuration, suspension package, factory ride control, axle weight, current ride height, and every application note before ordering. Bilstein B4 OE Replacement Shocks and Struts Bilstein B4 dampers are designed for supported vehicles that need OE-style suspension performance and compatibility. They are commonly selected for daily-driven vehicles using factory springs and standard ride height, although exact application requirements vary. B4 products...
View Bilstein Products
Toyota Tundra Parts and Accessories
Shop Toyota Tundra bed protection and exterior accessories by generation, cab and actual bed length. Confirm liner compatibility and package coverage before selecting finish or flare style. Bed Length and Liner Configuration Five-and-a-half, six-and-a-half and other bed references have different dimensions. Measure the actual bed and check exact manufacturer cab/year coverage. A mat intended for spray-on protection differs from a full liner or bed/tailgate package. Review current liner type and every supplied piece. Hood and Fender Applications Earlier and 2022-on body accessories require separate fit checks. Shared Sequoia wording needs the exact Tundra application confirmed. OE-style, pocket and DRT-style flares have distinct coverage and installation designs. Match body/year, tire clearance, finish and mounting contents. Choose Your Part Identify generation, cab and measured bed length. Match existing liner/spray-on configuration. Choose exact bed/tailgate/full-liner coverage. C...
View Toyota Tundra Parts and Accessories Products