Dorman - First Stop Brake Hydraulic Hose P/N:H621041
Deliver clean hydraulic pressure to the rear-left brake with the Dorman - First Stop Brake Hydraulic Hose H124997. This flexible EPDM rubber hose carries pressurized brake fluid between the fixed brake line and the moving wheel-end, flexing with suspension and steering travel. It's cataloged as the rear-left position hose and drops in as a direct-fit replacement for the listed 1990-2002 Chevrolet and GMC medium-duty trucks — including the Chevrolet C60/C70 and C6500/C7500 Kodiak, B7 and P6000, plus the GMC C6000/C7000 and C6500/C7500 TopKick, B7 and P6500. All are the [All] engine listing; see the Buyer's Guide tab for the full list.
Signs this hose may need replacing include bulging, cracked, or leaking rubber, fluid seepage at a fitting, or a soft, spongy pedal. If a deteriorated hose is the cause of a spongy pedal, this replaces it. No bracket, gasket/seal, or mounting hardware is included; consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: China.
Interchange: B916799 · B916802 · B917938 · 611166 · 77865 · 150.80301 · 150.80314 · BH177865 · 350-71025 · 35071025 · 15565881 · 22113357 · BH380499 · BH380500 · 2203498 · 2203499 · BH124997 · BH132933 · F124997 · F132933. Manufacturer part number H124997.
This part cross-references / interchanges with the following part numbers:
What position is this brake hose for?
It is cataloged as the rear-left brake hydraulic hose for the listed applications.
What vehicles does it fit?
It's a direct-fit replacement for 1990-2002 Chevrolet and GMC medium-duty trucks, including the C60/C70 and C6500/C7500 Kodiak, B7, P6000 and the GMC TopKick models — see the Buyer's Guide tab.
What is the hose made of?
EPDM rubber with treated-steel, specially coated corrosion-resistant fittings; male ends with bubble flares and 7/16-24 threads, 29 in overall length.
Is it DOT approved?
Yes — it is DOT approved, with materials tested to government-regulated safety and durability standards.
Does it include a bracket or mounting hardware?
No. No bracket, gasket/seal, or mounting hardware is included; consult the vehicle service information for the correct fasteners and whether they may be reused.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.