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Timbren SES Suspension Enhancement System SKU# GMFK25D - Front Kit, manufacturer part number GMFK25D, is a new Timbren bump stops product selected by the verified year, make, and model applications shown below. Confirm the part number, vehicle configuration, axle or brake position, dimensions, rated capacity when applicable, and every manufacturer exclusion before ordering.
Key Features
Fitment
| Years | Make | Model | Application Notes |
|---|---|---|---|
| 2011-2022 | Chevrolet | Silverado 2500 HD | Confirm drivetrain, factory suspension, lift height, and exclusions |
| 2011-2022 | Chevrolet | Silverado 3500 HD | Confirm drivetrain, factory suspension, lift height, and exclusions |
| 2011-2022 | GMC | Sierra 2500 HD | Confirm drivetrain, factory suspension, lift height, and exclusions |
| 2011-2022 | GMC | Sierra 3500 HD | Confirm drivetrain, factory suspension, lift height, and exclusions |
Specifications
| Brand | Timbren |
|---|---|
| Manufacturer Part Number | GMFK25D |
| Product Type | Bump Stops |
| Application Type | Vehicle specific |
| Condition | New |
| Pricing Policy | Manufacturer MAP protected |
What's Included
One new Timbren bump stops package identified by manufacturer part number GMFK25D, plus only the springs, brackets, pads, rotors, arms, spacers, bushings, fasteners, and other components expressly supplied for this exact part number.
About Timbren
Timbren manufactures SES load-support systems, Active Off-Road Bumpstops, Axle-Less trailer suspensions, and BES severe-duty brake components for towing, hauling, off-road, fleet, and trailer applications.
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Frequently Asked Questions
How do I confirm Timbren GMFK25D fits my vehicle?
Match the exact year, make, model, axle or brake position, drivetrain, chassis configuration, and every published exclusion. Model name alone is not enough.
Are similar Timbren parts interchangeable with GMFK25D?
No. Mounting geometry, spring rate, capacity, rotor dimensions, pad shape, position, and included hardware can differ between part numbers.
What should be checked after installing Timbren GMFK25D?
Verify every fastener, brake line, ABS wire, suspension clearance, wheel clearance, ride height, and braking operation that applies to the product. Follow the current manufacturer instructions.
Installation
Follow the current Timbren instructions and vehicle service procedure for this exact part number. Confirm torque specifications, brake-line and ABS-wire routing, suspension and driveline clearance, rotor and pad bedding requirements, wheel clearance, and final braking operation as applicable. Professional installation is recommended for brake and load-bearing suspension components.
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