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Cognito Sway Bar End Link Bushing Kit for HD End Link Kits | HP9226
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Description
The Obsidian Vision
A Cognito HD sway bar end link kit is only as precise as the bushings that locate and isolate it — and when those bushings wear beyond service tolerance, the lateral compliance they introduce undermines the anti-roll geometry the end link was installed to maintain, allowing body roll, steering wander, and the clunking that signals a suspension system operating outside its engineered parameters. The Cognito Sway Bar End Link Bushing Kit is the correct service component for restoring the bushing interface on Cognito HD end link kits, supplying the exact hourglass lower bushing geometry and 7/16-inch upper bushing specification required by Cognito's HD end link design — not a generic bushing adapted to fit, but the application-specific component engineered to Cognito's dimensional tolerances. At $45.50, this kit is the maintenance investment that protects the full HD end link installation and keeps the sway bar geometry performing as designed through the next service interval.
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Every order is manually reviewed by our technicians to ensure 100% compatibility with your build before we ship.
Engineering Breakdown
- Restores the correct bushing interface geometry in Cognito HD sway bar end link kits, eliminating the lateral compliance, clunking, and anti-roll geometry degradation that develop when hourglass lower bushings or upper 7/16-inch bushings wear beyond service tolerance.
- Eliminates the dimensional mismatch and accelerated wear caused by substituting generic bushings in a Cognito HD end link application — the hourglass lower bushing profile and 7/16-inch upper bushing bore are specific to Cognito's HD end link design and are not interchangeable with standard sway bar end link bushings.
- Maintains the sway bar anti-roll geometry and lateral stiffness delivered by the original Cognito HD end link installation, ensuring the full suspension system continues to perform as engineered at the installed lift height and wheel/tire configuration.
Cognito's HD sway bar end link design uses a two-bushing interface at each end of the link — a lower hourglass bushing and sleeve assembly that locates the link at the sway bar drop bracket, and upper 7/16-inch bushings that locate the link at the control arm or axle mounting point. The hourglass profile of the lower bushing is a specific geometry that controls the angular articulation of the end link through the suspension travel arc, preventing bind at full droop and full compression while maintaining the lateral stiffness required to transfer anti-roll loads from the sway bar into the suspension. Substituting a standard cylindrical bushing for the hourglass profile changes the articulation geometry and introduces bind or excessive compliance depending on the direction of deviation. The upper 7/16-inch bushings are sized to Cognito's end link stud diameter and must be replaced as a set to maintain even load distribution across both upper mounting points. This kit supplies both bushing types in the correct quantities for a complete single end link service: (2) lower hourglass bushings with sleeves and (4) upper 7/16-inch end link bushings.
Audit Table
| Part Number | Configuration | Materials | Weight | Included Components |
|---|---|---|---|---|
| HP9226 | Sway Bar End Link Bushing Service Kit — Single End Link | Polyurethane bushings; steel sleeves | 1 lb | (2) lower hourglass bushings with sleeves, (4) upper 7/16" end link bushings |
Verified Fitment (OFAS Standard)
✅ CONFIRMED:
All Cognito HD Sway Bar End Link Kit applications — this bushing kit is the correct service component for Cognito's HD end link design across all GM truck and SUV platforms on which Cognito HD end links are installed.
❌ REQUIREMENTS:
Requires existing Cognito HD Sway Bar End Link Kit installation — this is a service/replacement bushing kit specific to Cognito's HD end link design and is not compatible with OEM sway bar end links or other aftermarket end link brands.
Requires verification of end link generation — confirm your Cognito HD end link part number before ordering to ensure HP9226 supplies the correct bushing specification for your specific end link assembly.
Order quantity: this kit services one end link. Order two kits for a complete front sway bar end link bushing service (both driver and passenger sides).
Installation & Technical Notes
Estimated Install Time: Under 30 minutes per end link with basic hand tools
Alignment Required: Not required for bushing replacement alone if the end link mounting hardware was not disturbed; recommended if any sway bar drop bracket or control arm mounting hardware was loosened during service.
Torque Specifications: Refer to Cognito's service documentation for end link bushing hardware torque values — torque with the suspension at ride height to prevent bushing wind-up.
Service Interval: Inspect sway bar end link bushings for cracking, deformation, or excessive compliance at every alignment service or any time clunking, body roll increase, or steering wander is detected from the front suspension.
Quantity Note: This kit services one end link (driver or passenger). For a complete front sway bar bushing service, order two kits.
Wheel & Tire Fitment
This is a service bushing kit — wheel and tire fitment is determined by the Cognito HD end link assembly and lift system already installed on the vehicle. Refer to the original end link kit's fitment documentation for clearance specifications applicable to your platform, lift height, and wheel/tire configuration.
Our team is standing by to verify your specific Cognito HD end link part number and confirm HP9226 is the correct bushing kit for your build. Purchase with confidence; we review every build.