16 Engine parts are listed for the 1945 Desoto Custom, in 8 part types, covering the 3.9L 237cid L6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1945 Desoto Custom, 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. 8 parts of the 16 listed are Cylinder Head Gasket Set (3 parts), Intake & Exhaust Manifold Gasket Set (3 parts) and Cylinder Head Gasket (2 parts). The other 5 part types cover the remaining 8 parts.
The 1945 Desoto Custom came with a single engine, the 3.9L 237cid L6, and every part is verified against it.
4 brands supply engine parts for the 1945 Desoto Custom, led by VICTOR REINZ (7 parts), FEL-PRO (5 parts) and MAHLE / CLEVITE (3 parts), plus 1 more brand.
Each part number listed for the 1945 Desoto Custom opens a page with every vehicle that part fits.
Camshaft Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND | PD3 | 🇺🇸 US | Standard | View on Amazon |
This table covers the Camshaft bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
One part is listed for the 1945 Desoto Custom — DURA-BOND PD3.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | 4922 | 🇺🇸 US | Composite | View on Amazon |
| VICTOR REINZ | 611067000 | 🇺🇸 US | View on Amazon |
This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
2 Cylinder Head Gasket parts are listed for the 1945 Desoto Custom, from MAHLE / CLEVITE and VICTOR REINZ.
Listed part numbers: MAHLE / CLEVITE 4922 and VICTOR REINZ 611067000.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | HS7256C | 🇺🇸 US | with Copper-Faced Sandwich Head GasketsIncludes Valve Stem Seals | View on Amazon |
| MAHLE / CLEVITE | HS4922 | 🇺🇸 US | Includes Valve Stem Seals | View on Amazon |
| VICTOR REINZ | 021088401 | 🇺🇸 US | 3.5 IN Bore Diameter | View on Amazon |
This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
3 Cylinder Head Gasket Set parts are listed for the 1945 Desoto Custom, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
Listed part numbers: FEL-PRO HS7256C, MAHLE / CLEVITE HS4922 and VICTOR REINZ 021088401.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | FS7256C | 🇺🇸 US | Overhaul SetRear Main Seal, Timing Cover Seal Not Included | View on Amazon |
| VICTOR REINZ | 011033101 | 🇺🇸 US | with 2 Water Holes On Centerlinewith 24 Stud Head | View on Amazon |
This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
2 Engine Kit Gasket Set parts are listed for the 1945 Desoto Custom, from FEL-PRO and VICTOR REINZ.
Listed part numbers: FEL-PRO FS7256C and VICTOR REINZ 011033101.
Intake & Exhaust Manifold Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | MS8583B | 🇺🇸 US | Original Equipment (OE) Part Number 66351, 666353, 666354 | View on Amazon |
| MAHLE / CLEVITE | MS15029 | 🇺🇸 US | Composite | View on Amazon |
| VICTOR REINZ | 711477500 | 🇺🇸 US | Replaces OE Part Number(s) 666351, 666353, 666354 | View on Amazon |
This table covers the Intake & Exhaust Manifold gasket sets. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
3 Intake & Exhaust Manifold Gasket Set parts are listed for the 1945 Desoto Custom, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
Part numbers include FEL-PRO MS8583B, MAHLE / CLEVITE MS15029 and VICTOR REINZ 711477500.
Oil Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | OS915C | 🇺🇸 US | Original Equipment (OE) Part Number 780478, 933439, 1243628 | View on Amazon |
| VICTOR REINZ | 101046101 | 🇺🇸 US | View on Amazon |
This table covers the gaskets between the oil pan and the block. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
2 Oil Pan Gasket parts for the 1945 Desoto Custom come from 2 brands — FEL-PRO and VICTOR REINZ.
This group includes FEL-PRO OS915C and VICTOR REINZ 101046101.
Oil Pressure Relief Valve Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | 3122 | 🇺🇸 US | View on Amazon | |
| VICTOR REINZ | 711456300 | 🇺🇸 US | View on Amazon |
This table covers the gaskets that seal the Oil Pressure Relief Valve. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
2 Oil Pressure Relief Valve Gasket parts are listed for the 1945 Desoto Custom, from FEL-PRO and VICTOR REINZ.
Part numbers include FEL-PRO 3122 and VICTOR REINZ 711456300.
Push Rod Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VICTOR REINZ | 151102601 | 🇺🇸 US | Improved DesignCork | View on Amazon |
This table covers the Push Rod gasket sets. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
This group shows a single part: VICTOR REINZ 151102601.
Buying Engine Parts for a 1945 Desoto Custom
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 3.9L 237cid L6 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: Cylinder Head Gasket Set and Intake & Exhaust Manifold Gasket Set .
Frequently Asked Questions
How many engine parts fit the 1945 Desoto Custom?
Our catalog currently lists 16 engine parts for the 1945 Desoto Custom across 8 subcategories and 4 brands, covering the 3.9L 237cid L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 1945 Desoto Custom?
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 1945 Desoto Custom 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 1945 Desoto Custom?
Every part on this page is matched to the 3.9L 237cid L6 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 1945 Desoto Custom
Engine Parts for Other Desoto Custom Years
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