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Raybestos 1643R Brake Drum - Rear
| Brand | Raybestos 1643R |
|---|---|
| Position | Rear |
| Outside Diameter | 0.556 |
| Outside Diameter | 14.150 |
| Depth | 2.950 |
| Depth | 74.950 |
| Outer Cooling Fins | No |
| Nominal Drum Diameter | 0.476 |
| Nominal Drum Diameter | 12.100 |
| Stud/Lug Hole Quantity | 8 |
| Stud/Lug Hole Diameter | 0.652 |
| Stud/Lug Hole Diameter | 16.550 |
| Product line | R-Line |
| Fits | Ford · 36 vehicles |
Brake drum. Raybestos R-Line replacement for dependable braking performance.
8-lug design. Built with eight stud holes for a secure wheel fit.
Cooling fins omitted. Simplified drum construction for straightforward service.
Cross-references Centric Parts 123.65009, DuraGo BD8790 and Edelmann 8790 for the same application. See all 51.
Raybestos R-Line Brake Drum 1643R
The Raybestos R-Line 1643R brake drum is built for rear brake service on select Ford trucks and vans from the 1970s and 1980 model years. With a 14.150-inch outside diameter, 12.100-inch nominal drum diameter, and 2.950-inch depth, it matches the dimensions needed for the listed rear drum brake applications.
The R-Line product line focuses on direct-fit replacement brake components for everyday repair work. This Raybestos brake drum 1643R is specified with 8 stud/lug holes and a 16.550 mm stud/lug hole diameter, and it does not use outer cooling fins.
Key Features
- Brake drum for rear brake applications
- Outside diameter: 14.150 in. (0.556)
- Nominal drum diameter: 12.100 in. (0.476)
- Depth: 2.950 in. (74.950)
- 8 stud/lug holes with 16.550 mm hole diameter
- No outer cooling fins
- Raybestos R-Line replacement part number 1643R
Detailed Description
Raybestos 1643R is a rear brake drum for select Ford E-250 Econoline, E-250 Econoline Club Wagon, F-250, and F-350 applications. It is listed for 1975-1980 Ford E-250 Econoline and E-250 Econoline Club Wagon rear service, 1975-1979 Ford F-250 rear service, 1979 Ford F-350 rear service, and 1975-1976 Ford F-250 rear use with 12 in. x 2-1/2 in. drum brakes. For buyers searching for a Ford F-250 rear brake drum or a Ford E-250 Econoline Club Wagon rear drum, 1643R provides the listed dimensional match.
This part cross-references Centric Parts 123.65009 and DuraGo BD8790 for the same application.
What It Helps Address
- Rear brake pulsation caused by worn drum surfaces
- Brake noise from an out-of-round or scored drum
- Reduced braking consistency from excessive drum wear
- Service needs on Ford rear drum brake systems
- Replacement of a drum that no longer matches the required dimensions
Installation Notes and Tips
Verify the rear brake configuration before installation, especially on 1975-1976 Ford F-250 models that require 12 in. x 2-1/2 in. drum brakes. Confirm the drum diameter, depth, and lug-hole pattern against the removed part and inspect shoes, wheel cylinders, and related hardware for wear before reassembly. Proper cleaning of the hub and mating surfaces helps ensure even seating.
Quality Assurance
Raybestos R-Line brake components are cataloged as direct replacement parts for listed vehicle applications. Confirm fitment by year, make, model, and rear brake configuration before installation.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1980 | Ford | E-250 Econoline | — | Rear | R-Line |
| 1980 | Ford | E-250 Econoline Club Wagon | — | Rear | R-Line |
| 1979 | Ford | E-250 Econoline | — | Rear | R-Line |
| 1979 | Ford | E-250 Econoline Club Wagon | — | Rear | R-Line |
| 1979 | Ford | F-250 | — | Rear | R-Line |
| 1979 | Ford | F-350 | 4WD | Rear | R-Line |
| 1978 | Ford | E-250 Econoline | — | Rear | R-Line |
| 1978 | Ford | E-250 Econoline Club Wagon | — | Rear | R-Line |
| 1978 | Ford | F-250 | — | Rear | R-Line |
| 1977 | Ford | E-250 Econoline | — | Rear | R-Line |
| 1977 | Ford | E-250 Econoline Club Wagon | — | Rear | R-Line |
| 1977 | Ford | F-250 | — | Rear | R-Line |
| 1976 | Ford | E-250 Econoline | — | Rear | R-Line |
| 1976 | Ford | E-250 Econoline Club Wagon | — | Rear | R-Line |
| 1976 | Ford | F-250 | RWD | Rear | For use with 12 IN x 2-1/2 IN Drum Brakes; R-Line |
| 1976 | Ford | F-250 | 4WD | Rear | R-Line |
| 1976 | Ford | P-350 | — | Rear | with 5,200lb Rear Axle; Inboard Mounted Drum; R-Line |
| 1975 | Ford | E-250 Econoline | — | Rear | R-Line |
| 1975 | Ford | E-250 Econoline Club Wagon | — | Rear | R-Line |
| 1975 | Ford | F-250 | RWD | Rear | For use with 12 IN x 2-1/2 IN Drum Brakes; R-Line |
| 1975 | Ford | F-250 | 4WD | Rear | R-Line |
| 1975 | Ford | P-350 | — | Rear | with 5,200lb Rear Axle; Inboard Mounted Drum; R-Line |
| 1974 | Ford | E-300 Econoline | — | Rear | Not compatible with dual rear wheels.; R-Line |
| 1974 | Ford | P-350 | — | Rear | with 5,200lb Rear Axle; Inboard Mounted Drum; R-Line |
| 1973 | Ford | E-300 Econoline | — | Rear | Not compatible with dual rear wheels.; R-Line |
| 1973 | Ford | P-350 | — | Rear | with 5,200lb Rear Axle; Inboard Mounted Drum; R-Line |
| 1972 | Ford | E-300 Econoline | — | Rear | Not compatible with dual rear wheels.; R-Line |
| 1972 | Ford | P-350 | — | Rear | with 5000lb Axle(s); with 5,200lb Rear Axle; Inboard Mounted Drum; R-Line |
| 1971 | Ford | E-300 Econoline | — | Rear | Not compatible with dual rear wheels.; R-Line |
| 1971 | Ford | P-350 | — | Rear | with 5000lb Axle(s); with 5,200lb Rear Axle; Inboard Mounted Drum; R-Line |
| 1970 | Ford | E-300 Econoline | — | Rear | R-Line |
| 1970 | Ford | P-350 | — | Rear | with 5000lb Axle(s); with 5,200lb Rear Axle; Inboard Mounted Drum; R-Line |
| 1969 | Ford | E-300 Econoline | — | Rear | R-Line |
| 1969 | Ford | P-350 | — | Rear | with 5000lb Axle(s); with 5,200lb Rear Axle; Inboard Mounted Drum; R-Line |
| 1968 | Ford | P-350 | — | Rear | with 5000lb Axle(s); with 5,200lb Rear Axle; Inboard Mounted Drum; R-Line |
| 1967 | Ford | P-350 | — | Rear | with 5000lb Axle(s); with 5,200lb Rear Axle; Inboard Mounted Drum; R-Line |
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