What does this diagram cover?

It is an exploded parts illustration titled 'Heater, Controls and Related Parts' from a 1973/79 Ford Cars illustration catalog (Section 184, page 20), annotated for a 1978 Bronco.

What is the part number for the heater blower motor area components?

Callouts in the blower motor region include 18583, 18527, 33920-S (M-25), and 97333-S (E-8).

What part numbers are shown for the heater hoses and related fittings?

The hose area callouts include 18599 and 18472 (shown twice each), plus 18490 and 18596.

Which hardware/fastener numbers are listed?

Hardware callouts include 55923-S, 33920-S (M-25), 97333-S (E-8), 34803-S (X-60), 42127-S (U-248-C), 34079-S (M-163), 380457-S, 384260-S (EE-17-A), 375064-S (SS-46), 380705-S, 55915-S (U-254-G), 55907-S (U-254-B), 56910-S (U-413), 52012-S (U-202), 381797-S, 383358-S (MM-260), 372703-S, and 45174 (M-138).

What is the figure reference number of this illustration?

The illustration is marked P-10237.

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1978 Ford Bronco Heater & Controls Exploded Parts Diagram (1973-79 Ford Cars)

Exploded heater housing, core, blower and controls diagram with part numbers

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AI caption March 2006 · Photo 280 of 526

This is page 20 (Illustration Section 184) from a 1973/79 Ford Cars parts illustration catalog, showing an exploded-view diagram titled "HEATER, CONTROLS and RELATED PARTS" and hand-annotated "1978/ BRONCO." The drawing (figure reference P-10237) depicts the heater assembly and its related components in exploded form, with each part identified by a Ford base part number or hardware part number callout. Major components shown include heater hoses and fittings (18599, 18472), the blower motor (18583, 18527), heater plenum and housing panels (18A485, 18A484, 18A272), heater core area parts (18476, 18A361), resistor (18591), heater control assembly and cables (18549, 18518, 18519, 14529, 13466), air ducts/registers (18A560, 18A569, 18A660, 18B259), and numerous fasteners identified by S-suffix hardware numbers such as 55923-S, 380457-S, 34803-S (X-60), 42127-S (U-248-C), 384260-S (EE-17-A), and 383358-S (MM-260). Asterisks mark certain callouts. A reader can use this document to identify part numbers for heater system components and attaching hardware when ordering or replacing parts on 1973-1979 Ford vehicles, specifically applied here to a 1978 Bronco heater system.

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Frequently asked questions

What does this diagram cover?: It is an exploded parts illustration titled 'Heater, Controls and Related Parts' from a 1973/79 Ford Cars illustration catalog (Section 184, page 20), annotated for a 1978 Bronco.
What is the part number for the heater blower motor area components?: Callouts in the blower motor region include 18583, 18527, 33920-S (M-25), and 97333-S (E-8).
What part numbers are shown for the heater hoses and related fittings?: The hose area callouts include 18599 and 18472 (shown twice each), plus 18490 and 18596.
Which hardware/fastener numbers are listed?: Hardware callouts include 55923-S, 33920-S (M-25), 97333-S (E-8), 34803-S (X-60), 42127-S (U-248-C), 34079-S (M-163), 380457-S, 384260-S (EE-17-A), 375064-S (SS-46), 380705-S, 55915-S (U-254-G), 55907-S (U-254-B), 56910-S (U-413), 52012-S (U-202), 381797-S, 383358-S (MM-260), 372703-S, and 45174 (M-138).
What is the figure reference number of this illustration?: The illustration is marked P-10237.