This page lists 8 engine parts for the 1956 Desoto Firedome, across 5 part types, covering the 5.4L 330cid V8 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 1956 Desoto Firedome, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. 6 parts of the 8 listed are Crankshaft Seal (2 parts), Oil Filter (2 parts) and Piston Ring (2 parts). The other 2 part types cover the remaining 2 parts.
The 1956 Desoto Firedome came with a single engine, the 5.4L 330cid V8, and every part is verified against it.
5 brands supply engine parts for the 1956 Desoto Firedome, led by VICTOR REINZ (3 parts), HASTINGS MANUFACTURING (2 parts) and FEL-PRO (1 part), plus 2 more brands.
Each part number listed for the 1956 Desoto Firedome opens a page with every vehicle that part fits.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | BS40245 | 🇺🇸 US | Rubber | View on Amazon |
| VICTOR REINZ | 191014701 | 🇺🇸 US | SetRubber | View on Amazon |
This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
2 Crankshaft Seal parts for the 1956 Desoto Firedome come from 2 brands — FEL-PRO and VICTOR REINZ.
Listed part numbers: FEL-PRO BS40245 and VICTOR REINZ 191014701.
O-Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VICTOR REINZ | 411041400 | 🇺🇸 US | 1In I.D. X 1-5/16 IN O.D. | View on Amazon |
This table covers the O-rings that seal this joint. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove.
This group shows a single part: VICTOR REINZ 411041400.
Oil Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS / BALDWIN | LF316 | 🇺🇸 US | View on Amazon | |
| WIX | 51071 | 🇺🇸 US | Cartridge Filter | View on Amazon |
This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive.
2 Oil Filter parts for the 1956 Desoto Firedome come from 2 brands — HASTINGS / BALDWIN and WIX.
This group includes HASTINGS / BALDWIN LF316 and WIX 51071.
Piston Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS MANUFACTURING | 450 | 🇺🇸 US | Full SetPlain Cast Top Ring | View on Amazon |
| HASTINGS MANUFACTURING | 450S | 🇺🇸 US | 1 Cylinder SetTop Groove: 5/64 In | View on Amazon |
This table covers the rings that seal each piston to the cylinder wall.
HASTINGS MANUFACTURING supplies both parts for the 1956 Desoto Firedome.
This group includes HASTINGS MANUFACTURING 450 and HASTINGS MANUFACTURING 450S.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VICTOR REINZ | 121007501 | 🇺🇸 US | SetContains 8 Pieces | View on Amazon |
This table covers the seals on each valve stem that control oil into the guides. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
This group shows a single part: VICTOR REINZ 121007501.
Buying Engine Parts for a 1956 Desoto Firedome
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- Confirm you have the 5.4L 330cid V8 engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Crankshaft Seal and Oil Filter .
Frequently Asked Questions
How many engine parts fit the 1956 Desoto Firedome?
Our catalog currently lists 8 engine parts for the 1956 Desoto Firedome across 5 subcategories and 5 brands, covering the 5.4L 330cid V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 1956 Desoto Firedome?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 1956 Desoto Firedome was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 1956 Desoto Firedome?
Every part on this page is matched to the 5.4L 330cid V8 engine. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1956 Desoto Firedome
Engine Parts for Other Desoto Firedome Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.