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Polyurethane Rear Bump Stops That Prevent Suspension Bottoming on the 2000-2006 Tundra Without the Cracking and Deformation of OEM Rubber
The Energy Suspension 8.9111R is the Hyper-Flex polyurethane rear bump stop set for the 2000-2006 Toyota Tundra in red. The rear bump stops on the first-generation Tundra limit suspension travel at the extreme compression end of the stroke, cushioning the chassis from metal-to-metal contact during bottoming events such as heavy loads, full droop recovery, and aggressive off-road use.
Factory rubber bump stops harden and crack with age and heat cycling, progressively losing their cushioning ability and eventually contacting the axle or frame as hardened rubber or missing material entirely. The ENG8.9111R replaces the factory rubber with Energy Suspension's Hyper-Flex polyurethane compound, which cushions suspension compression progressively, resists heat and age-related degradation, and maintains proper shape and compliance through the full service life of the vehicle. Designed for the 2000-2006 Toyota Tundra rear suspension bump stop positions.
Key Features
- Energy Suspension ENG8.9111R Hyper-Flex polyurethane rear bump stop set for 2000-2006 Toyota Tundra
- Replaces factory rubber bump stops that harden, crack, and lose cushioning ability with age and heat cycling
- Hyper-Flex polyurethane provides progressive compression cushioning and resists age-related degradation
- Prevents suspension bottoming and metal-to-metal contact during heavy loads and off-road use
- Red color; black version available separately as ENG8.9111G
- Made in USA by Energy Suspension
Fitment
| Year Range | Make | Model |
|---|---|---|
| 2000-2006 | Toyota | Tundra |
Specifications
| Detail | Value |
|---|---|
| Part Number (MPN) | 8.9111R |
| Brand | Energy Suspension |
| Series | Hyper-Flex |
| Type | Rear Bump Stop Set |
| Color | Red |
| Material | Hyper-Flex polyurethane |
| Position | Rear suspension bump stop mounts |
| Fitment | 2000-2006 Toyota Tundra |
| Country of Origin | USA |
| Prop 65 | Yes |
| UPC | 703639124542 |
What's Included
- Complete rear bump stop set for 2000-2006 Toyota Tundra (quantity per application)
About Energy Suspension
Energy Suspension has manufactured Hyper-Flex polyurethane suspension components in the United States since 1983. Based in San Clemente, California, Energy Suspension produces application-specific bushing sets, body mounts, bump stops, and supporting hardware for thousands of domestic and import vehicle applications. Their Hyper-Flex compound is engineered to deliver significantly longer service life than OEM rubber while maintaining performance appropriate for street, towing, and off-road use.
Frequently Asked Questions
What is the Energy Suspension 8.9111R?
The Energy Suspension 8.9111R is the Hyper-Flex polyurethane rear bump stop set for the 2000-2006 Toyota Tundra in red. It replaces factory rubber rear bump stops with polyurethane that cushions full suspension compression events progressively, resists age-related cracking and hardening, and prevents metal-to-metal contact during bottoming on loaded or off-road Tundras.
What years of Tundra does the ENG8.9111R fit?
The Energy Suspension 8.9111R is designed for the 2000-2006 Toyota Tundra, covering the first-generation Tundra platform. It does not fit the 2007 and later second-generation Tundra, which uses a different rear suspension architecture. Confirm your model year before ordering.
How do I know if my Tundra rear bump stops need replacement?
Symptoms of failed rear bump stops include a hard, metal-like impact at the end of full rear suspension compression, visible cracking or missing material on the existing rubber stops, and unexplained impact noise when the truck is fully loaded or driven over deep bumps. Inspect the stops visually with the vehicle on a lift or by pushing down firmly on the bed to cycle the rear suspension.
Does the ENG8.9111R fit with an aftermarket lift kit?
It depends on the lift kit design. Many 2000-2006 Tundra lift kits include their own extended or repositioned bump stops. Check the lift kit documentation before replacing bump stops with the ENG8.9111R. If the lift kit uses OEM-position bump stops, the Energy Suspension 8.9111R will typically fit in those positions. If the lift kit uses relocated or custom bump stop provisions, consult the lift manufacturer for compatible parts.
Is this a complete set for both sides?
Yes. The 8.9111R is a complete set covering both rear bump stop positions on the 2000-2006 Tundra. It is not sold as a single-side replacement.
Is installation DIY-friendly on the Tundra?
Yes. Rear bump stop replacement on the 2000-2006 Tundra is a straightforward job with basic hand tools. The stops are typically retained by a bolt or clip at the frame or axle bracket. The job takes under an hour on most trucks. No special tools are required beyond standard sockets and wrenches.
Is the 8.9111G (black) the same as the 8.9111R (red)?
Yes. The Energy Suspension 8.9111G and 8.9111R are the same rear bump stop set in different colors. G is black and R is red. The polyurethane compound, construction, included components, and fitment are identical. Color is purely a visual preference.
Can I use the ENG8.9111R with a heavier payload or towing setup?
Yes. Hyper-Flex polyurethane bump stops handle repeated compression events under heavy loads better than OEM rubber, which work-hardens and cracks under sustained thermal and mechanical stress. For Tundras used frequently for towing or hauling at or near payload capacity, polyurethane bump stops are a recommended upgrade over rubber replacements.
Installation Instructions
- Lift and safely support the rear of the Tundra on jack stands. Support the rear axle on a floor jack to allow full suspension droop for bump stop access.
- Lower the axle to expose the rear bump stop mounting area on the frame or axle bracket.
- Remove the retaining bolt or clip securing the old rubber bump stop. Extract the old stop from the mount.
- Clean the bump stop mount surface of any rubber residue or corrosion.
- Install the new ENG8.9111R polyurethane bump stop onto the mount. Orient the stop per the original configuration.
- Reinstall the retaining bolt or clip and tighten to secure the stop in position.
- Repeat on the opposite side.
- Raise the axle back to ride height and lower the vehicle.
- Test the installation by loading the bed to near capacity and inspecting for proper contact surfaces and no noise before driving.
WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.
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