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Dorman - First Stop Brake Master Cylinder P/N:M71258
$60.99
Turn pedal pressure into the hydraulic braking force your classic Mopar relies on with the Dorman – First Stop Brake Master Cylinder M71258. It installs as a direct-fit replacement for a long list of 1967–1974 Chrysler, Dodge and Plymouth vehicles — including the Chrysler 300, New Yorker, Newport and Town & Country; Dodge Charger, Coronet, Dart, Monaco, Polara, Challenger, A100 van and D/W-series pickups; and Plymouth Fury, Road Runner, Superbird, Duster, Valiant and VIP (All engines). See the Buyer's Guide tab for the full application list.
- Cast iron housing: the cylinder housing is built to match the casting material of the original part 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.
- Built to spec: made to meet rigorous SAE International standards.
Key specs: a 1 in bore, two outlets and a 1/2-20 rearward outlet size. The reservoir is included; a fluid-level sensor and mounting hardware are not included — consult the vehicle service information for the correct fasteners and whether they may be reused. If a worn or leaking master cylinder is the cause of a soft or sinking pedal, this replaces it. Country of origin: China.
Interchange: 783-32009 · 78332009 · 83-32009 · 8332009 · M900085 · 100-2374 · 1002374 · M-83009 · M83009 · 11323 · 13-1323 · 131323 · 10-1323 · 101323 · 10-1323M · 101323M · 130.63009 · 131.63009 · 2808577 · 2808599 · MC501310 · 355-39005 · 35539005 · 5472965 · 71258 · M1323 · NM1323 · 2536221 · MC36221 · F71258 · MC71258
Manufacturer part number M71258
This part cross-references / interchanges with the following part numbers:
783-32009, 83-32009, M900085, 100-2374, M-83009, 11323, 13-1323, 10-1323, 10-1323M, 130.63009, 131.63009, 2808577, 2808599, MC501310, 355-39005, 5472965, 71258, M1323, NM1323, 2536221, MC36221, F71258, MC71258
Frequently Asked Questions
What does a brake master cylinder do?
It converts the force from your brake pedal into hydraulic pressure that's sent to the brake circuits. If a worn or leaking master cylinder is the cause of a soft or sinking pedal, this replaces it.
Which vehicles does the M71258 fit?
It's a direct-fit replacement for many 1967–1974 Chrysler, Dodge and Plymouth models, including the Charger, Coronet, Dart, Fury, Road Runner and Superbird. Check the Buyer's Guide tab for the full list.
Is a reservoir included?
Yes, the reservoir is included. A brake fluid level sensor and mounting hardware are not included; consult the vehicle service information for the correct fasteners and whether they may be reused.
What are the key specifications?
It has a cast iron housing with a 1 in bore, two outlets and a 1/2-20 rearward outlet size. All rubber components use an EPDM compound for resistance to glycol-based brake fluid.
Is this unit new or remanufactured?
It's 100% new and made entirely of new materials — not remanufactured — and built to meet rigorous SAE International standards.
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Dorman
Dorman - First Stop Brake Master Cylinder P/N:M71258
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