/live/media/DB/DB_H620437_Fro.jpg)
OE Quality
60-Day Returns
/live/media/DB/DB_H620437_Fro.jpg)
/live/media/DB/DB_H620437_Ang.jpg)
Dorman H620437 Brake Hydraulic Hose - Front Left
Reliable Brake Hydraulic Hose for Chevrolet, GMC, and Isuzu Vehicles
The Dorman H620437 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Chevrolet, GMC, and Isuzu models. Engineered with durable materials, this flexible hose ensures consistent braking performance and safety.
- Compatible with Chevrolet Canyon and Colorado models
- Fits GMC Canyon and Colorado vehicles
- Suitable for Isuzu i-280, i-290, and i-370 models
- Overall length of 14.88 inches for precise fitment
- Black EPDM rubber hose with a rubber outer sleeve for durability
- Ends feature treated steel fittings: banjo type on one end and female fitting on the other
- Includes necessary gaskets for proper sealing
- No mounting hardware or brackets included
Durable Construction and Design Features
This Dorman brake hydraulic hose (part number H620437) is constructed with EPDM rubber, known for its resistance to heat, ozone, and brake fluid exposure. The black rubber outer sleeve adds an extra layer of protection against abrasion and environmental factors. The hose ends are equipped with treated steel fittings—one banjo fitting with a 10 mm thread diameter and one female fitting with an M10 x 1.0 inside diameter—ensuring secure connections to the brake system. The included gaskets help maintain a leak-free seal during installation.
Applications and Common Issues Addressed
- Replacement for worn or cracked brake hydraulic hoses on Chevrolet Canyon and Colorado models
- Restores proper brake fluid flow in GMC Canyon and Colorado vehicles
- Solves brake fluid leaks caused by damaged or deteriorated hoses in Isuzu i-280, i-290, and i-370
- Prevents brake system failure due to hose swelling or bursting
- Addresses brake pedal softness or sponginess related to hose degradation
Installation Notes and Tips
When installing the Dorman H620437 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose and clean the fitting surfaces before attaching the new hose. Use the included gaskets to prevent leaks and torque fittings to manufacturer specifications. Bleed the brake system thoroughly after installation to remove air and restore proper brake function. Note that mounting hardware and brackets are not included and may need to be reused or sourced separately.
Quality Assurance and Warranty Information
Dorman manufactures the H620437 brake hydraulic hose to meet or exceed OEM standards for fit, form, and function. The use of treated steel fittings and EPDM rubber materials ensures durability and resistance to common brake system contaminants. This part includes a gasket for proper sealing and is backed by Dorman's quality assurance processes. Please refer to Dorman's warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | H620437 |
| Bracket Included | No |
| Color | Black |
| Describe Type | Flexible Hose |
| End 1 Fitting Material | Treated Steel |
| End 1 Fitting Type | Banjo |
| End 1 Thread Diameter | 10 mm |
| End 2 Fitting Inside Diameter | M10 X 1.0 |
| End 2 Fitting Material | Treated Steel |
| End 2 Fitting Type | Female |
| Gasket Or Seal Included | Yes |
| Hose Material | EPDM Rubber |
| Jacket Included | No |
| Mounting Hardware Included | No |
| Outer Sleeve Material | Rubber |
| Overall Length | 14.88 |
| Package Contents | 1 Brake Hose; Gaskets |
This part fits 23 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2012 | Chevrolet | Colorado | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2012 | GMC | Canyon | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2011 | Chevrolet | Colorado | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2011 | GMC | Canyon | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2010 | Chevrolet | Colorado | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2010 | GMC | Canyon | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2009 | Chevrolet | Colorado | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2009 | GMC | Canyon | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2008 | Chevrolet | Colorado | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2008 | GMC | Canyon | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2008 | Isuzu | i-290 | Front Left | w/Sport Package | |
| 2008 | Isuzu | i-370 | RWD | Front Left | w/Sport Package |
| 2007 | Chevrolet | Colorado | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2007 | GMC | Canyon | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2007 | Isuzu | i-290 | Front Left | w/Sport Package | |
| 2007 | Isuzu | i-370 | RWD | Front Left | w/Sport Package |
| 2006 | Chevrolet | Colorado | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2006 | GMC | Canyon | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2006 | Isuzu | i-280 | Front Left | w/Sport Package | |
| 2005 | Chevrolet | Colorado | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2005 | GMC | Canyon | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2004 | Chevrolet | Colorado | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2004 | GMC | Canyon | RWD | Front Left | w/RPO Code ZQ8 (Sport Chassis Package) or w/RPO Code Z85 (Increased Capacity Chassis Package) |
* 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.