Route pressurized brake fluid from the steel hard line to the caliper — while flexing with suspension and steering movement — with the Dorman – First Stop Brake Hydraulic Hose H73305. It installs at the front left or front right position as a direct-fit replacement across a broad range of 1971–1978 GM cars, including the 1971-1973 Buick Centurion, Electra, Estate Wagon, LeSabre and Riviera; 1971-1973 Chevrolet Bel Air, Caprice and Impala; 1977-1978 Chevrolet Camaro and Nova; 1977-1978 Cadillac Seville; and 1977 Oldsmobile Cutlass — see the Buyer's Guide tab for the full list.
- Durable design: built with EPDM rubber and specially coated, corrosion-resistant fittings.
- Position-specific fit: manufactured to precise measurements for an exact fit and easy installation.
- Quality assured: materials tested to government-regulated safety and durability standards; DOT approved.
- Fittings: a banjo fitting on one end and a female fitting (3/8-24 inside diameter) on the other, both in treated steel.
The hose measures 15.25 in overall with a 0.438 in thread on End 1 and comes in black. Gaskets are included; mounting hardware and a bracket are not — consult the vehicle service information for the correct fasteners and whether they may be reused. A flexible brake hose that is cracked, bulging, leaking, or producing a soft pedal is a sign this part may need replacing; if a failed hose is the cause, this replaces it. Country of origin: China.
Interchange: 18J2092 · 18J22 · 87-36006 · 8736006 · 87-50006 · 8750006 · B916146 · 610099 · HB-82006 · HB82006 · 88452 · 150.62006 · BH188452 · 350-47023 · 35047023 · 3991232 · 3993649 · 3996649 · 9753898 · 9760403 · NF4044 · 4536646 · BH36646 · 2201022 · BH73305 · BH97657 · F73305 · F97657
Manufacturer part number H73305.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What is the Dorman H73305?
It's a flexible brake hydraulic hose that carries pressurized brake fluid from the steel hard line to the caliper while flexing with suspension and steering movement. It installs at the front left or front right position.
Which vehicles does it fit?
Front left or right on many 1971–1978 GM models, including Buick Electra/LeSabre/Riviera, Chevrolet Impala/Caprice/Camaro/Nova, Cadillac Seville and Oldsmobile Cutlass. See the Buyer's Guide tab for the full list.
What's included in the box?
One brake hose with gaskets. Mounting hardware and a bracket are not included; consult the vehicle service information for the correct fasteners and whether they may be reused.
What is the hose made of?
EPDM rubber with a rubber outer sleeve, plus a banjo fitting and a female fitting (3/8-24) in specially coated, treated steel. It is DOT approved.
How do I know the hose needs replacing?
Cracking, bulging, fluid leaks, or a soft, spongy pedal can be signs of a failing brake hose. Diagnose the cause first; if the hose is at fault, this replaces it.
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