HomeBrake > Hoses and PipesDorman H380520 Brake Hydraulic Hose - Rear Center
Part #: H380520

Dorman H380520 Brake Hydraulic Hose - Rear Center

Rear Center
⚙️ 45 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Blazer, Jimmy, S10, and Sonoma
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Reliable Brake Hydraulic Hose for Chevrolet and GMC Vehicles

The Dorman H380520 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Chevrolet and GMC models. Engineered with durable materials, this flexible brake hose ensures consistent performance and safety for your vehicle's braking system.

  • Compatible with Chevrolet Blazer, GMC Jimmy, Chevrolet S10, and GMC Sonoma
  • Constructed with EPDM rubber hose material for flexibility and durability
  • Black outer sleeve made of plastic with protective jacket included
  • Ends feature treated steel fittings: junction type on one end and female fitting on the other
  • Overall length approximately 18.75 inches for precise fitment

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H380520) features a flexible EPDM rubber hose core that resists heat, ozone, and brake fluid degradation. The black plastic outer sleeve with an included jacket protects the hose from abrasion and environmental damage. Both ends are equipped with treated steel fittings—one junction fitting with a 3/8 inch thread diameter and one female fitting with a 7/16 in-24 inside diameter—ensuring secure connections within the brake system. With an overall length of 18.75 inches, this hose is designed to match the original equipment specifications for Chevrolet Blazer, GMC Jimmy, Chevrolet S10, and GMC Sonoma models.

Common Applications and Problem Resolution

  • Replacement for worn or cracked brake hydraulic hoses causing fluid leaks
  • Restores proper brake fluid flow to maintain braking performance
  • Addresses hose swelling or bulging under pressure
  • Prevents brake system failure due to hose deterioration
  • Ensures compatibility with specific Chevrolet and GMC brake systems

Installation Notes and Tips

When installing the Dorman H380520 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, avoiding contamination of the brake fluid system. Verify that the treated steel fittings align correctly with the brake line connections. Bleed the brake system thoroughly after installation to remove air and restore proper brake pedal feel. Note that mounting hardware and brackets are not included and should be reused or replaced as needed.

Quality Assurance and Warranty Information

Dorman brake hydraulic hoses are manufactured to meet or exceed OEM standards for fit, form, and function. The H380520 part undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship.

BrandDorman
Part NumberH380520
ColorBlack
Outer Sleeve MaterialPlastic
Mounting Hardware IncludedNo
Bracket IncludedNo
Gasket Or Seal IncludedNo
Axis 1 Length18.5
End 1 Fitting MaterialTreated steel
End 2 Fitting MaterialTreated steel
End 2 Fitting TypeFemale
Overall Length18.75
Jacket IncludedYes
Describe TypeFlexible hose
End 1 Fitting TypeJunction
End 1 Thread Diameter3/8; 3/8
End 2 Fitting Inside Diameter7/16 in-24
Hose MaterialEpdm rubber
Package Contents1 brake hose

This part fits 45 vehicles. Search below:

YearMakeModel# DoorsDrive TypePositionNotes
2005ChevroletBlazer2 DoorRear Center
2005GMCJimmy2 DoorRear Center
2004ChevroletBlazer2 DoorRear Center
2004ChevroletS10Rear Centerw/RPO Code ZR2 (High Wider Package)
2004GMCJimmy2 DoorRear Center
2004GMCSonomaRear Centerw/RPO Code ZR2 (High Wider Package)
2003ChevroletBlazer2 DoorRear Center
2003ChevroletS10Rear Centerw/RPO Code ZR2 (High Wider Package)
2003GMCJimmy2 DoorRear Center
2003GMCSonomaRear Centerw/RPO Code ZR2 (High Wider Package)
2002ChevroletBlazer2 DoorRear Center
2002ChevroletS10Rear Centerw/RPO Code ZR2 (High Wider Package)
2002GMCJimmy2 DoorRear Center
2002GMCSonomaRear Centerw/RPO Code ZR2 (High Wider Package)
2001ChevroletBlazer2 DoorRear Center
2001ChevroletS10Rear Centerw/RPO Code ZR2 (High Wider Package)
2001GMCJimmy2 DoorRear Center
2001GMCSonomaRear Centerw/RPO Code ZR2 (High Wider Package)
2000ChevroletBlazer2 DoorRear Center
2000ChevroletS10Rear Centerw/RPO Code ZR2 (High Wider Package)
2000GMCJimmy2 DoorRear Center
2000GMCSonomaRear Centerw/RPO Code ZR2 (High Wider Package)
1999ChevroletBlazer2 DoorRear Center
1999ChevroletS10Rear Centerw/RPO Code ZR2 (High Wider Package)
1999GMCJimmy2 DoorRear Center
1999GMCSonomaRear Centerw/RPO Code ZR2 (High Wider Package)
1998ChevroletBlazer2 DoorRear Center
1998ChevroletS10Rear Centerw/RPO Code ZR2 (High Wider Package)
1998GMCJimmy2 DoorRear Center
1998GMCSonomaRear Centerw/RPO Code ZR2 (High Wider Package)
1997ChevroletBlazer2 DoorRear Center
1997ChevroletS104WDRear Centerw/RPO Code ZR2 (High Wider Package)
1997GMCJimmy2 DoorRWDRear Center
1997GMCJimmy2 Door4WDRear Center
1997GMCSonoma4WDRear CenterHigh and Wider Package
1996ChevroletBlazer2 DoorRear Center
1996ChevroletS104WDRear Centerw/RPO Code ZR2 (High Wider Package)
1996GMCJimmy2 DoorRear Center
1996GMCSonoma4WDRear CenterHigh and Wider Package
1995ChevroletBlazer2 DoorRear Center
1995ChevroletS104WDRear Centerw/RPO Code ZR2 (High Wider Package)
1995GMCJimmy2 DoorRear Center
1995GMCSonoma4WDRear CenterHigh and Wider Package
1994ChevroletS104WDRear Centerw/RPO Code ZR2 (High Wider Package)
1994GMCSonoma4WDRear CenterHigh and Wider 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:

150.663171799990418J129422037077835987-44317B916820BH133853BH178359BH380520HB-86317NF178359

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.