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Dorman - First Stop Brake Master Cylinder P/N:M27304
$131.99
Turn brake-pedal effort into the hydraulic pressure that pushes fluid to each wheel with the Dorman First Stop Brake Master Cylinder M27304. It installs as a direct-fit replacement for the 1969-1970 Dodge M300 (All), engineered to match the design, function, and performance of the original master cylinder on this application.
- Cast-iron housing: the cylinder housing is built to match the original part's casting material for similar performance.
- EPDM rubber components: all rubber parts use a high-quality EPDM compound for resistance to glycol-based brake fluid.
- 100% new: made entirely of new materials, not remanufactured, and built to meet rigorous SAE International standards.
- Key specs: 1.5 in bore, single rearward outlet (1/2-20 thread), reservoir included; mounting hardware and sensor are not included.
The master cylinder converts pedal pressure into the hydraulic force that operates the braking system. Signs this part may need replacing include a spongy or slowly sinking pedal or brake-fluid seepage at the cylinder; diagnose the cause before replacing, since these symptoms can have other sources. Country of origin: Taiwan.
Interchange: 18M8 · M900044 · 100-2782 · 1002782 · M-91001 · M91001 · 11133 · 13-27304 · 1327304 · 10-27304 · 1027304 · 10-8030 · 108030 · 130.81001 · 1921660 · 2914462 · MC509460 · 355-40092 · 35540092 · 5461715 · 27304 · MC27304 · F27304 · Manufacturer part number M27304
This part cross-references / interchanges with the following part numbers:
18M8, M900044, 100-2782, M-91001, 11133, 13-27304, 10-27304, 10-8030, 130.81001, 1921660, 2914462, MC509460, 355-40092, 5461715, 27304, MC27304, F27304
Frequently Asked Questions
What vehicle does this master cylinder fit?
It's a direct-fit replacement for the 1969-1970 Dodge M300 (All). Check the Buyer's Guide tab to confirm the match for your vehicle.
Does it include a reservoir?
Yes, the reservoir is included. A sensor and mounting hardware are not included; consult the service information for the correct fasteners and whether they may be reused.
What are the bore and outlet specs?
It has a 1.5 in master cylinder bore and a single rearward outlet with a 1/2-20 size.
Is this new or remanufactured?
It's 100% new, made entirely of new materials, not remanufactured, and built to meet SAE International standards.
What are signs my master cylinder may need replacing?
A spongy or slowly sinking brake pedal or fluid seepage at the cylinder can be signs. These symptoms have other causes, so diagnose the system before replacing this part.
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Dorman
Dorman - First Stop Brake Master Cylinder P/N:M27304
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