OE Quality
60-Day Returns

Dorman 919-125 Brake Hydraulic Line Kit
Durable Brake Hydraulic Line Kit for Chevrolet and GMC Trucks
The Dorman 919-125 Brake Hydraulic Line Kit offers a reliable solution for maintaining the brake system on Chevrolet and GMC trucks. Designed specifically for the Sierra 1500, Sierra 1500 Classic, Silverado 1500, and Silverado 1500 Classic, this kit ensures proper fitment and performance.
- Constructed from corrosion-resistant stainless steel for long-lasting durability
- Pre-formed brake lines for precise fit and easier installation
- Includes all necessary fittings to complete the brake line replacement
- Rated for a maximum pressure of 4000 psi to meet brake system demands
- Comes with 7 tubes to cover multiple brake line connections
Product Details and Specifications
The Dorman 919-125 Brake Hydraulic Line Kit is engineered with stainless steel tubing, providing enhanced resistance to rust and wear compared to standard materials. The pre-formed design matches the original brake line shapes, reducing the need for bending and minimizing installation errors. This kit includes all required fittings, ensuring a complete and secure brake line replacement. Rated to handle pressures up to 4000 psi, it meets the rigorous demands of hydraulic brake systems on Chevrolet Sierra 1500 and Silverado 1500 models, including their Classic variants.
Compatible Vehicles and Applications
- Chevrolet Sierra 1500 (including Classic)
- Chevrolet Silverado 1500 (including Classic)
- GMC Sierra 1500 (including Classic)
- GMC Silverado 1500 (including Classic)
This brake hydraulic line kit is intended for use in brake system repairs or upgrades where original lines are damaged, corroded, or leaking.
Common Issues Addressed by This Brake Line Kit
- Brake fluid leaks due to cracked or corroded lines
- Reduced braking performance from compromised hydraulic pressure
- Brake line damage from road debris or wear over time
- Corrosion-related failures in older brake lines
- Replacement of worn or damaged fittings and connections
Installation Notes and Tips
When installing the Dorman 919-125 kit, ensure all brake lines are properly routed and secured to avoid contact with moving parts or heat sources. Use appropriate brake fluid and bleed the system thoroughly after installation to remove air and maintain braking efficiency. The pre-formed lines simplify alignment, but verify fitment before final tightening.
Quality Assurance and Warranty
Dorman manufactures this brake hydraulic line kit to meet or exceed OEM standards for fit, form, and function. The stainless steel construction provides enhanced corrosion resistance for extended service life. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in materials and workmanship.
| Brand | Dorman |
| Part Number | 919-125 |
| Line Material | Stainless steel |
| Pre-Formed | Yes |
| Fittings Included | Yes |
| Hose/Line Maximum Pressure (psi) | 4000 psi |
| Package Contents | 7 tubes |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Body Type | Bed Length | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2007 | Chevrolet | Silverado 1500 Classic | Crew Cab Pickup | 5' 9" Foot Bed | RWD | N/A | |
| 2007 | GMC | Sierra 1500 Classic | Crew Cab Pickup | 5' 9" Foot Bed | RWD | N/A | |
| 2006 | Chevrolet | Silverado 1500 | Crew Cab Pickup | RWD | N/A | 68 In. Bed Length | |
| 2006 | GMC | Sierra 1500 | Crew Cab Pickup | 5' 9" Foot Bed | RWD | N/A | |
| 2005 | Chevrolet | Silverado 1500 | Crew Cab Pickup | 5' 8" Foot Bed | RWD | N/A | Without Quadrasteer |
| 2005 | GMC | Sierra 1500 | Crew Cab Pickup | 5' 8" Foot Bed | RWD | N/A | Without Quadrasteer |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.