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Dorman H621972 Brake Hydraulic Hose - Front Left, Front Left Inner or Front Right Inner
| Brand | Dorman H621972 |
|---|---|
| Position | Front Left Inner, Front Left, and Front Right Inner |
| Color | Black |
| Outer Sleeve Material | Rubber |
| Mounting Hardware Included | No |
| Bracket Included | No |
| Gasket Or Seal Included | No |
| Axis 1 Length | 11.34 |
| Axis 2 Length | 9.53 |
| End 1 Fitting Material | Treated steel |
| End 2 Fitting Material | Treated steel |
| End 2 Fitting Type | Female |
| Overall Length | 10.55 |
| Jacket Included | No |
| Describe Type | Flexible hose |
| End 1 Fitting Type | Junction |
| End 1 Thread Diameter | 0.335 in |
| End 2 Fitting Inside Diameter | M10 x 1.0 |
| Hose Material | Epdm rubber |
| Package Contents | 1 brake hose |
| Fits | INFINITI and Nissan · 94 vehicles |
OE-style fit. Precision-engineered to match original hose fit, function, and performance.
Flexible hose. Rubber EPDM construction helps deliver dependable braking response.
Treated steel ends. Metal fittings add strength where the hose connects.
Cross-references Centric Parts 150.42150, Raybestos Brakes BH383703 and 462111A30A for the same application. See all 5.
Brake Hydraulic Hose for Nissan and INFINITI
Dorman H621972 is a brake hydraulic hose engineered to match the fit, function, and performance of the original hose on specific Nissan and INFINITI applications. Built with a black EPDM rubber hose and treated steel end fittings, it supports reliable brake fluid transfer for front-left and front-right inner positions where exact routing and connection points matter.
- Brake hydraulic hose for specific Nissan 370Z and INFINITI front axle applications
- Black EPDM rubber outer hose for flexible routing
- Treated steel fittings at both ends
- Flexible hose design for OE-style placement
- Package contents: 1 brake hose
- Dorman H621972 replacement part number for brake hose service
Detailed Product Information
This Dorman brake hose is built as a direct replacement for select Nissan 370Z, INFINITI Q70, Q70L, QX50, Q60, Q40, EX37, G37, M37, M56, EX35, and G25 models in the listed front-left inner, front-left, and front-right inner positions. The hose measures 10.55 inches overall, with axis lengths of 11.34 and 9.53 inches, and uses an M10 x 1.0 female connection on one end with a junction-style treated steel fitting on the other. Dorman H621972 is a practical choice when replacing a worn or damaged brake hose on a Nissan 370Z or INFINITI brake system that requires the correct hose shape and connection style.
This part cross-references Centric Parts 150.42150 for the same application.
What This Brake Hose Helps Address
- Brake fluid leaks from a cracked or deteriorated hose
- Soft or inconsistent brake pedal feel caused by hose wear
- Brake hose damage from age, heat, or road exposure
- Restricted fluid flow from an internally weakened hose
- Service needs during front brake repair on listed Nissan and INFINITI models
Installation Notes and Tips
Verify the vehicle position before ordering, since this hose is listed for front-left inner, front-left, and front-right inner applications depending on model and year. Confirm the end fitting style, thread size, and hose length against the original part before installation. Mounting hardware, brackets, gaskets, and seals are not included, so reuse or replace those components as needed during brake service. After installation, bleed the brake system according to factory procedure and inspect all connections for leaks.
Quality Assurance
Dorman engineers this brake hydraulic hose to match original fit, function, and performance on the specified vehicles and positions. The EPDM rubber hose construction and treated steel fittings support durable service in a brake repair environment.
| Year | Make | Model | Submodel | Body Type | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2021 | Nissan | 370Z | Touring | — | — | Front Right Inner | — |
| 2020 | Nissan | 370Z | Nismo | — | — | Front Left | — |
| 2020 | Nissan | 370Z | Sport | — | — | Front Left Inner | — |
| 2020 | Nissan | 370Z | Base | — | — | Front Left Inner | — |
| 2020 | Nissan | 370Z | Sport Touring | — | — | Front Left Inner | — |
| 2020 | Nissan | 370Z | Touring | — | — | Front Left Inner | — |
| 2020 | Nissan | 370Z | Sport | — | — | Front Right Inner | — |
| 2020 | Nissan | 370Z | Base | — | — | Front Right Inner | — |
| 2020 | Nissan | 370Z | Sport Touring | — | — | Front Right Inner | — |
| 2020 | Nissan | 370Z | Touring | — | — | Front Right Inner | — |
| 2019 | INFINITI | Q70 | — | — | AWD | Front Left Inner | — |
| 2019 | INFINITI | Q70L | — | — | AWD | Front Left Inner | — |
| 2019 | Nissan | 370Z | Sport | — | — | Front Left Inner | — |
| 2019 | Nissan | 370Z | Base | — | — | Front Left Inner | — |
| 2019 | Nissan | 370Z | Nismo | — | — | Front Left Inner | — |
| 2019 | Nissan | 370Z | Sport Touring | — | — | Front Left Inner | — |
| 2019 | Nissan | 370Z | Heritage Edition | — | — | Front Left Inner | — |
| 2019 | Nissan | 370Z | Touring | — | — | Front Left Inner | — |
| 2018 | INFINITI | Q70 | — | — | AWD | Front Left Inner | — |
| 2018 | INFINITI | Q70L | — | — | AWD | Front Left Inner | — |
| 2018 | Nissan | 370Z | Sport | — | — | Front Left Inner | — |
| 2018 | Nissan | 370Z | Base | — | — | Front Left Inner | — |
| 2018 | Nissan | 370Z | Nismo | — | — | Front Left Inner | — |
| 2018 | Nissan | 370Z | Touring Sport | — | — | Front Left Inner | — |
| 2018 | Nissan | 370Z | Nismo Tech | — | — | Front Left Inner | — |
| 2018 | Nissan | 370Z | Sport Tech | — | — | Front Left Inner | — |
| 2018 | Nissan | 370Z | Touring | — | — | Front Left Inner | — |
| 2017 | INFINITI | Q70 | — | — | AWD | Front Left Inner | — |
| 2017 | INFINITI | Q70L | — | — | AWD | Front Left Inner | — |
| 2017 | INFINITI | QX50 | — | — | — | Front Left Inner | — |
| 2017 | Nissan | 370Z | Sport | — | — | Front Left Inner | — |
| 2017 | Nissan | 370Z | Base | — | — | Front Left Inner | — |
| 2017 | Nissan | 370Z | Nismo | — | — | Front Left Inner | — |
| 2017 | Nissan | 370Z | Touring Sport | — | — | Front Left Inner | — |
| 2017 | Nissan | 370Z | Nismo Tech | — | — | Front Left Inner | — |
| 2017 | Nissan | 370Z | Sport Tech | — | — | Front Left Inner | — |
| 2017 | Nissan | 370Z | Touring | — | — | Front Left Inner | — |
| 2016 | INFINITI | Q60 | — | — | — | Front Left Inner | — |
| 2016 | INFINITI | Q70 | — | — | AWD | Front Left Inner | — |
| 2016 | INFINITI | Q70L | — | — | AWD | Front Left Inner | — |
| 2016 | INFINITI | QX50 | — | — | — | Front Left Inner | — |
| 2016 | Nissan | 370Z | Sport | — | — | Front Left Inner | — |
| 2016 | Nissan | 370Z | Base | — | — | Front Left Inner | — |
| 2016 | Nissan | 370Z | Nismo | — | — | Front Left Inner | — |
| 2016 | Nissan | 370Z | Touring Sport | — | — | Front Left Inner | — |
| 2016 | Nissan | 370Z | Nismo Tech | — | — | Front Left Inner | — |
| 2016 | Nissan | 370Z | Sport Tech | — | — | Front Left Inner | — |
| 2016 | Nissan | 370Z | Touring | — | — | Front Left Inner | — |
| 2015 | INFINITI | Q40 | — | — | — | Front Left Inner | — |
| 2015 | INFINITI | Q60 | — | Convertible | — | Front Left Inner | — |
| 2015 | INFINITI | Q60 | — | Coupe | — | Front Left Inner | — |
| 2015 | INFINITI | Q70 | — | — | AWD | Front Left Inner | — |
| 2015 | INFINITI | Q70L | — | — | AWD | Front Left Inner | — |
| 2015 | INFINITI | QX50 | — | — | — | Front Left Inner | — |
| 2015 | Nissan | 370Z | Sport | — | — | Front Left Inner | — |
| 2015 | Nissan | 370Z | Base | — | — | Front Left Inner | — |
| 2015 | Nissan | 370Z | Nismo | — | — | Front Left Inner | — |
| 2015 | Nissan | 370Z | Touring Sport | — | — | Front Left Inner | — |
| 2015 | Nissan | 370Z | Nismo Tech | — | — | Front Left Inner | — |
| 2015 | Nissan | 370Z | Sport Tech | — | — | Front Left Inner | — |
| 2015 | Nissan | 370Z | Touring | — | — | Front Left Inner | — |
| 2014 | INFINITI | Q60 | — | — | — | Front Left Inner | — |
| 2014 | INFINITI | Q70 | — | — | AWD | Front Left Inner | — |
| 2014 | INFINITI | QX50 | — | — | — | Front Left Inner | — |
| 2014 | Nissan | 370Z | — | — | — | Front Left Inner | — |
| 2013 | INFINITI | EX37 | — | — | — | Front Left | — |
| 2013 | INFINITI | G37 | — | Convertible | — | Front Left Inner | From 2/12 |
| 2013 | INFINITI | G37 | Sport | Sedan | RWD | Front Left Inner | — |
| 2013 | INFINITI | G37 | Sport | Coupe | RWD | Front Left Inner | — |
| 2013 | INFINITI | G37 | Journey | Sedan | RWD | Front Left Inner | — |
| 2013 | INFINITI | G37 | Journey | Coupe | RWD | Front Left Inner | — |
| 2013 | INFINITI | M37 | X | Sedan | AWD | Front Left Inner | — |
| 2013 | INFINITI | M56 | X | Sedan | AWD | Front Left Inner | — |
| 2013 | Nissan | 370Z | Base | Convertible | RWD | Front Left Inner | — |
| 2013 | Nissan | 370Z | Base | Coupe | RWD | Front Left Inner | — |
| 2013 | Nissan | 370Z | Nismo | Coupe | RWD | Front Left Inner | — |
| 2013 | Nissan | 370Z | Touring | Convertible | RWD | Front Left Inner | — |
| 2013 | Nissan | 370Z | Touring | Coupe | RWD | Front Left Inner | — |
| 2012 | INFINITI | EX35 | — | — | — | Front Left Inner | — |
| 2012 | INFINITI | G25 | X | Sedan | AWD | Front Left Inner | From 2/12 |
| 2012 | INFINITI | G25 | Base | Sedan | RWD | Front Left Inner | From 2/12 |
| 2012 | INFINITI | G25 | Journey | Sedan | RWD | Front Left Inner | From 2/12 |
| 2012 | INFINITI | G37 | — | Convertible | — | Front Left Inner | From 2/12 |
| 2012 | INFINITI | G37 | Sport | Sedan | RWD | Front Left Inner | From 2/12 |
| 2012 | INFINITI | G37 | Sport | Coupe | RWD | Front Left Inner | From 2/12 |
| 2012 | INFINITI | G37 | Journey | Sedan | RWD | Front Left Inner | From 2/12 |
| 2012 | INFINITI | G37 | Journey | Coupe | RWD | Front Left Inner | From 2/12 |
| 2012 | INFINITI | M37 | X | Sedan | AWD | Front Left Inner | — |
| 2012 | INFINITI | M56 | X | Sedan | AWD | Front Left Inner | — |
| 2012 | Nissan | 370Z | Base | Convertible | RWD | Front Left Inner | — |
| 2012 | Nissan | 370Z | Base | Coupe | RWD | Front Left Inner | — |
| 2012 | Nissan | 370Z | Nismo | Coupe | RWD | Front Left Inner | — |
| 2012 | Nissan | 370Z | Touring | Convertible | RWD | Front Left Inner | — |
| 2012 | Nissan | 370Z | Touring | Coupe | RWD | Front Left Inner | — |
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