Ford 302 / 351W / 255 V8 Engine Exploded Parts Diagram (5.0L, 5.8L, 4.2L)
Exploded parts diagram of the Ford 302/351W/255 V8 engine block, heads, manifolds and pan components.
This document is an exploded parts diagram of the Ford small-block V8 engine family, labeled "302 / 351W / 255" — covering the 5.0L (302 CID), 5.8L (351 CID Windsor), and 4.2L (255 CID) engines. The illustration shows the complete engine disassembled along its axis, with 44 numbered callouts identifying major components including (visually) the engine block, cylinder heads with valvetrain, head gaskets, intake manifold and gaskets, exhaust manifolds, valve covers, distributor, water pump and front cover/timing cover gaskets, fuel pump, oil pan and gaskets, oil filter, flywheel/flexplate, bellhousing, spark plugs, thermostat housing, dipstick and tube, and various bolts and fittings. The only textual annotation besides the title is a note indicating a sensor/fitting location: "RH REAR FOR 4.2L (255CID), 5.8L (351 CID) AND 5.0L (302 CID)." No parts legend, part numbers, or torque specifications are printed on this page — the numbered legend presumably appears on a companion page. The diagram is useful for identifying the assembly order and relative positions of engine components during teardown or rebuild of these Ford V8 engines, such as the 5.0L found in a 1992 Ford Bronco.
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Frequently asked questions
- Which Ford engines does this exploded diagram cover?
- The diagram is titled "302 / 351W / 255" and its annotation references the 5.0L (302 CID), 5.8L (351 CID), and 4.2L (255 CID) Ford V8 engines.
- Does this diagram include a parts legend or part numbers?
- No. The page shows 44 numbered callouts pointing to engine components, but no legend, part names, or part numbers are printed on this page.
- What does the note about 'RH REAR' mean on the diagram?
- A callout near items 13 and 22 states "RH REAR FOR 4.2L (255CID), 5.8L (351 CID) AND 5.0L (302 CID)", indicating that the pointed-to fitting/sender is located at the right-hand rear on all three engine sizes.
- How many components are called out in the diagram?
- Callout numbers 1 through 44 are used, with numbers 21 and 41 each appearing twice for duplicate parts.
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