The 1948 Desoto S-11 has 30 engine parts with verified fitment on this page — 14 part types and 8 brands, covering the 3.9L 237cid L6 engine. Each part includes a manufacturer part number and application notes.
The engine on the 1948 Desoto S-11 covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. The largest groups are Piston Ring (4 parts), Cylinder Head Gasket Set (3 parts) and Engine Kit Gasket Set (3 parts). The other 11 part types cover the remaining 20 parts.
The 1948 Desoto S-11 came with a single engine, the 3.9L 237cid L6, and every part is verified against it.
8 brands supply engine parts for the 1948 Desoto S-11, led by VICTOR REINZ (8 parts), FEL-PRO (7 parts) and MAHLE / CLEVITE (5 parts), plus 5 more brands.
Each part number listed for the 1948 Desoto S-11 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 |
| SEALED POWER | 1011M | 🇺🇸 US | 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.
2 Camshaft Bearing parts are listed for the 1948 Desoto S-11, from DURA-BOND and SEALED POWER.
Listed part numbers: DURA-BOND PD3 and SEALED POWER 1011M.
Connecting Rod Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SEALED POWER | 9560CPA | 🇺🇸 US | View on Amazon |
This table covers the bearings in the connecting-rod big ends. 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 1948 Desoto S-11 — SEALED POWER 9560CPA.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WS6186 | 🇺🇸 US | Front | 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.
This group shows a single part: WJB / INMOTION PARTS WS6186.
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 1948 Desoto S-11, from MAHLE / CLEVITE and VICTOR REINZ.
Part numbers include 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 | 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 1948 Desoto S-11, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
This group includes 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 |
| MAHLE / CLEVITE | FS4922 | 🇺🇸 US | Full Set | View on Amazon |
| VICTOR REINZ | 011033101 | 🇺🇸 US | 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.
3 Engine Kit Gasket Set parts are listed for the 1948 Desoto S-11, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
Listed part numbers: FEL-PRO FS7256C, MAHLE / CLEVITE FS4922 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 | 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 1948 Desoto S-11, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
Part numbers include FEL-PRO MS8583B, MAHLE / CLEVITE MS15029 and VICTOR REINZ 711477500.
Oil Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS / BALDWIN | LF316 | 🇺🇸 US | 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.
This group shows a single part: HASTINGS / BALDWIN LF316.
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 1948 Desoto S-11 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 1948 Desoto S-11, from FEL-PRO and VICTOR REINZ.
This group includes FEL-PRO 3122 and VICTOR REINZ 711456300.
Piston
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SEALED POWER | 32NP | 🇺🇸 US | Flat HeadCast Iron | View on Amazon |
This table covers the pistons that travel in each cylinder. Typical signs include knock, blow-by, or a cylinder that will not hold compression. Piston work is a short-block job. Match bore, pin and ring pack in the notes — not the photo.
One part is listed for the 1948 Desoto S-11 — SEALED POWER 32NP.
Piston Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS MANUFACTURING | 2C445 | 🇺🇸 US | Full SetTop Ring Surface Treatment: Triple Chrome | View on Amazon |
| HASTINGS MANUFACTURING | 2C445S | 🇺🇸 US | 1 Cylinder SetTop Ring Surface Treatment: Triple Chrome | View on Amazon |
| HASTINGS MANUFACTURING | 445 | 🇺🇸 US | Full SetTop Ring Surface Treatment: Phosphate | View on Amazon |
| HASTINGS MANUFACTURING | 445S | 🇺🇸 US | 1 Cylinder SetTop Ring Surface Treatment: Phosphate | View on Amazon |
This table covers the rings that seal each piston to the cylinder wall.
HASTINGS MANUFACTURING supplies the 4 Piston Ring parts for the 1948 Desoto S-11.
Listed part numbers: HASTINGS MANUFACTURING 2C445, HASTINGS MANUFACTURING 2C445S and HASTINGS MANUFACTURING 445, plus the other parts above.
Push Rod Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | VS917R | 🇺🇸 US | Rubber | View on Amazon |
| MAHLE / CLEVITE | PS35972 | 🇺🇸 US | Cork | View on Amazon |
| 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.
3 Push Rod Gasket Set parts for the 1948 Desoto S-11 come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
This group includes FEL-PRO VS917R, MAHLE / CLEVITE PS35972 and VICTOR REINZ 151102601.
Timing Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | TCS41552 | 🇺🇸 US | View on Amazon | |
| VICTOR REINZ | 151035801 | 🇺🇸 US | Set | View on Amazon |
This table covers the gaskets that seal the Timing Cover. 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 Timing Cover Gasket parts for the 1948 Desoto S-11 come from 2 brands — FEL-PRO and VICTOR REINZ.
Part numbers include FEL-PRO TCS41552 and VICTOR REINZ 151035801.
Buying Engine Parts for a 1948 Desoto S-11
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: Piston Ring and Cylinder Head Gasket Set .
Frequently Asked Questions
How many engine parts fit the 1948 Desoto S-11?
Our catalog currently lists 30 engine parts for the 1948 Desoto S-11 across 14 subcategories and 8 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 1948 Desoto S-11?
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 1948 Desoto S-11 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 1948 Desoto S-11?
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 1948 Desoto S-11
Engine Parts for Other Desoto S-11 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.