Raybestos 1634R Brake Drum - Front

Brand Raybestos 1634R
Position Front
Depth 3.300
Depth 83.800
Nominal Drum Diameter 0.396
Nominal Drum Diameter 10.050
Outer Cooling Fins Yes
Outside Diameter 0.487
Outside Diameter 12.400
Stud/Lug Hole Diameter 0.611
Stud/Lug Hole Diameter 15.500
Stud/Lug Hole Quantity 5
Product line R-Line
Fits Ford and Mercury · 29 vehicles

Cooling fins. Outer fins help move heat away from the brake drum.

Brake drum. Built for dependable braking performance and consistent contact.

Cross-references Centric Parts 122.61010, Centric Parts 123.61010 and DuraGo BD8831 for the same application. See all 54.

$76.91Free shipping
Out of stock
Step 1 — Confirm fitment
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Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Brake Drums are typically replaced in pairs, axle by axle.
Order total $76.91
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Raybestos R-Line Brake Drum 1634R

Raybestos R-Line brake drum 1634R is a front brake drum for classic Ford and Mercury applications that call for a 10-inch nominal drum diameter and finned construction. It is built with a 12.400-inch outside diameter, 3.300-inch depth, five lug holes, and outer cooling fins for the specified fitments.

R-Line Product Line Details

The Raybestos R-Line line focuses on direct-fit replacement brake components for everyday service work. For this application, the 1634R brake drum follows the listed OE-style dimensions and fitment requirements for front brake service on select Mustang, Cougar, Montego, and Villager models.

Key Features

  • Brake drum for front axle applications
  • Nominal drum diameter: 10.050 inches
  • Outside diameter: 12.400 inches
  • Depth: 3.300 inches
  • Five stud/lug holes with 15.500 mm hole diameter
  • Outer cooling fins for the listed applications
  • Raybestos R-Line replacement part number 1634R

Fitment

  • Fits 1967-1973 Ford Mustang, front
  • Fits 1964-1966 Ford Mustang, front
  • Fits 1967-1972 Mercury Cougar, front
  • Fits 1968-1971 Mercury Montego, front
  • Fits 1965 Mercury Villager, front

Detailed Description

Use Raybestos 1634R when servicing front brake systems on select Ford Mustang and Mercury models that require a 10-inch diameter finned drum. The drum’s 12.400-inch outside diameter, 3.300-inch depth, and five-lug pattern align with the listed vehicle applications, making it a direct replacement choice for classic brake maintenance. This part cross-references DuraGo BD8831 for the same application.

Common Brake Issues This Part Addresses

  • Brake drum wear that affects braking surface condition
  • Heat buildup in front drum brake service
  • Out-of-spec drum dimensions during restoration or repair
  • Brake pulsation or uneven braking caused by drum condition
  • Service replacement needs on 1960s and early 1970s Ford and Mercury front brake systems

Installation Notes and Tips

Verify drum diameter, depth, lug-hole count, and cooling-fin configuration against the existing brake setup before installation. Inspect brake shoes, wheel cylinders, and related hardware for wear while the drum is removed, and confirm proper seating on the hub before returning the vehicle to service. For best results, match the drum to the exact year, make, model, and front-position fitment listed for Raybestos 1634R.

Quality Assurance

Raybestos R-Line brake components are cataloged for direct replacement use in the specified applications and dimensional requirements. Confirm fitment against the vehicle listing before purchase to ensure the correct front brake drum for your Mustang, Cougar, Montego, or Villager.

This part fits 29 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
1973FordMustang—Front10" Diameter; R-Line
1972FordMustang—Front10" Diameter; R-Line
1972MercuryCougar—FrontR-Line
1971FordMustang—Front10" Diameter; R-Line
1971MercuryCougar—FrontR-Line
1971MercuryMontegoBaseFrontR-Line
1971MercuryMontegoVillagerFrontR-Line
1971MercuryMontegoMXFrontR-Line
1971MercuryMontegoMX BroughamFrontR-Line
1970FordMustang—Front10" Diameter; R-Line
1970MercuryCougar—FrontR-Line
1970MercuryMontegoBaseFrontR-Line
1970MercuryMontegoVillagerFrontR-Line
1970MercuryMontegoMXFrontR-Line
1970MercuryMontegoMX BroughamFrontR-Line
1969FordMustang—Front10" Diameter; R-Line
1969MercuryCougar—FrontR-Line
1969MercuryMontegoBaseFrontR-Line
1969MercuryMontegoMXFrontR-Line
1968FordMustang—Front10" Diameter; R-Line
1968MercuryCougar—FrontR-Line
1968MercuryMontegoBaseFrontR-Line
1968MercuryMontegoMXFrontR-Line
1967FordMustang—Front10" Diameter; R-Line
1967MercuryCougar—FrontR-Line
1966FordMustang—Front10" Diameter; with Full Cast Finned Drum; R-Line
1965FordMustang—Front10" Diameter; with Full Cast Finned Drum; R-Line
1965MercuryVillager—Front10" Diameter; with Finned Drum; R-Line
1964FordMustang—Front10" Diameter; with Full Cast Finned Drum; R-Line
Directly replaces or cross-references 54 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Centric Parts — 122.61010Centric Parts — 123.61010DuraGo — BD8831FEL-PRO — 60146Four Seasons — 1634RGates — 21202Gates — 23036Hygrade Tuneup — 1634StrongArm — 48313-80414.8085.8552-6010888-34010177-190177-218788-340101634DGS88318831C60108140010202310212019-C5250636402044601634AD8110AD8110EBD1010BD1625CBD1652CBD1652CFBD60108BD60146BD88310C3OZ1102AC3OZ1102BC3OZ1102DC6OZ1125AC7OZ1102AC8OZ1125BC9OZ1102BC10-1032CD0OZ1102AD3ZZ1102AD1634D5634G1634K1634K2628K99503X21562YH6135YH140010