What Ford part number is the master cylinder in the 1978 Bronco brake system diagram?

The master cylinder is identified by basic part number 2140, mounted to the brake booster (2005) in detail view A.

What part number covers the brake lines and tubes in this diagram?

Brake lines/tubes are called out primarily as 2269 and 2282, with 2A275, 2078, and 2082 also labeled along the routing.

Does the diagram differ for 6-cylinder and 8-cylinder engines?

Yes, the booster mounting shows bolt 9A474 called out separately for 6 CYL. and 8 CYL. applications, with fastener 97329-S (C-6) nearby.

What are the part numbers for the valve assembly shown in detail view D?

View D shows valve components 28257 and 28526, with fasteners 56725-S (B-318-GJ) and 56720-S (B-318-GD).

What years and model does this illustration apply to?

The page header states 1973/79 Ford Cars, and the caption specifies the Hydraulic Brake System for the 1978 Bronco (illustration P-13371).

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1978 Ford Bronco Hydraulic Brake System Exploded Diagram - Part Numbers

Hydraulic brake system exploded diagram with booster, lines, valves and fittings

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Part of 1978-1979 Ford Bronco Exploded Parts Diagrams

AI caption March 2006 · Photo 267 of 526

This is page 42 (Illustration Section 20) from a Ford parts illustration catalog covering 1973-79 Ford cars, showing the hydraulic brake system for the 1978 Bronco (illustration P-13371). The exploded parts diagram identifies the master cylinder (2140), brake booster (2005), brake lines and tubes (2269, 2282, 2A275, 2078, 2082), brackets (2073, 2814), pressure differential/proportioning valve components (28257, 28526), rear axle brake line routing, and related fittings. Detail views A through E show close-ups of the master cylinder/booster mounting (with variants noted for 6-cylinder and 8-cylinder engines via bolt 9A474), frame bracket attachments, junction blocks (2149), and rear axle line clips. Numerous hardware part numbers with Ford basic/suffix codes are called out, including 97329-S (E-6), 382802-S (MM-173-JB), 385482-S (BB-868-E), 95874-S (Y-6), 387418-S (XX-94-F), 55800-S (M-89-C), 387438-S (GG-163-YT), 375610-S (GG-213), 385116-S (BB-817-CV), 370519-S (BB-125), 56725-S (B-318-GJ), 56720-S (B-318-GD), 383661-S (GG-247-B), 383057-S (II-61-X), and 34793-S (X-67-A). The page is useful for identifying brake line routing, clip locations, and Ford part numbers when restoring or repairing a 1978 Bronco brake system.

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Frequently asked questions

What Ford part number is the master cylinder in the 1978 Bronco brake system diagram?: The master cylinder is identified by basic part number 2140, mounted to the brake booster (2005) in detail view A.
What part number covers the brake lines and tubes in this diagram?: Brake lines/tubes are called out primarily as 2269 and 2282, with 2A275, 2078, and 2082 also labeled along the routing.
Does the diagram differ for 6-cylinder and 8-cylinder engines?: Yes, the booster mounting shows bolt 9A474 called out separately for 6 CYL. and 8 CYL. applications, with fastener 97329-S (C-6) nearby.
What are the part numbers for the valve assembly shown in detail view D?: View D shows valve components 28257 and 28526, with fasteners 56725-S (B-318-GJ) and 56720-S (B-318-GD).
What years and model does this illustration apply to?: The page header states 1973/79 Ford Cars, and the caption specifies the Hydraulic Brake System for the 1978 Bronco (illustration P-13371).