HomeBrake > Hoses and PipesDorman H73273 Brake Hydraulic Hose - Front Left or Front Right
Part #: H73273

Dorman H73273 Brake Hydraulic Hose - Front Left or Front Right

Front Left
⚙️ 10 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Blazer, K10 Pickup, K10 Suburban, K20 Pickup, K20 Suburban, Jimmy, K15/K1500 Pickup, K15/K1500 Suburban, K25/K2500 Pickup, and K25/K2500 Suburban
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Reliable Brake Hydraulic Hose for Chevrolet and GMC Vehicles

The Dorman H73273 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Chevrolet and GMC models. Engineered with durable materials, this flexible hose ensures consistent braking performance for your Blazer, Jimmy, K10 Suburban, or K20 Suburban.

  • Compatible with Chevrolet Blazer, GMC Jimmy, K10 Suburban, and K20 Suburban
  • Overall length of 25.25 inches for precise fitment
  • Constructed with EPDM rubber hose material and black rubber outer sleeve
  • Ends feature treated steel fittings with male and female options
  • Flexible hose design for reliable brake fluid flow under pressure

Durable Construction and Design Features

This Dorman brake hydraulic hose (part number H73273) features an EPDM rubber hose core, known for its resistance to heat, ozone, and brake fluid degradation. The black rubber outer sleeve adds protection against abrasion and environmental factors. Both ends are equipped with treated steel fittings—End 1 includes male and female fitting types with thread diameters of 5/8 in-18 external and 7/16 in-24 internal, while End 2 has a male fitting with a 7/16 in-20 inside diameter. This combination ensures secure connections to your vehicle's brake system components.

Applications and Common Issues Addressed

  • Replacement for worn or cracked brake hydraulic hoses on Chevrolet Blazer and GMC Jimmy
  • Restores proper brake fluid flow in K10 and K20 Suburban brake systems
  • Prevents brake fluid leaks caused by damaged or deteriorated hoses
  • Eliminates spongy brake pedal feel due to hose expansion or failure
  • Maintains brake system integrity for safe vehicle operation

Installation Notes and Tips

Installation of the Dorman H73273 brake hydraulic hose requires basic brake system knowledge and tools. Before installation, ensure the vehicle is securely lifted and the brake system is depressurized. Carefully remove the old hose fittings and avoid twisting the new hose during installation. Since mounting hardware and brackets are not included, reuse existing components or source replacements as needed. After installation, bleed the brake system thoroughly to remove air and verify proper brake function.

Quality Assurance and Warranty Information

Dorman manufactures the H73273 brake hydraulic hose to meet or exceed OEM specifications for durability and performance. The use of treated steel fittings and EPDM rubber materials supports long service life under typical operating conditions. While specific warranty details are not provided, Dorman products generally come with a limited warranty against defects in material and workmanship. Consult product documentation or Dorman directly for warranty terms.

BrandDorman
Part NumberH73273
Bracket IncludedNo
ColorBlack
Describe TypeFlexible Hose
End 1 Fitting MaterialTreated Steel
End 1 Fitting TypeMale; Female
End 1 Thread Diameter5/8 in-18 ext; 7/16 in-24 int
End 2 Fitting Inside Diameter7/16 in-20
End 2 Fitting MaterialTreated Steel
End 2 Fitting TypeMale
Gasket Or Seal IncludedNo
Hose MaterialEPDM Rubber
Jacket IncludedNo
Mounting Hardware IncludedNo
Outer Sleeve MaterialRubber
Overall Length25.25
Package Contents1 Brake Hose

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
1970ChevroletBlazerFront Leftw/4 Wheel Drive (4WD)
1970ChevroletBlazerFront Rightw/4 Wheel Drive (4WD)
1970ChevroletK10 SuburbanFront Left
1970ChevroletK10 SuburbanFront Right
1970ChevroletK20 SuburbanFront Left
1970ChevroletK20 SuburbanFront Right
1970GMCJimmyFront Leftw/4 Wheel Drive (4WD)
1970GMCJimmyFront Rightw/4 Wheel Drive (4WD)
1969ChevroletBlazerFront Leftw/4 Wheel Drive (4WD)
1969ChevroletBlazerFront Rightw/4 Wheel Drive (4WD)

* 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:

150.66083220408588329B918054BH381224BH407370BH73273C1TT2078C

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