This page lists 37 engine parts for the 1951 Desoto S-15, across 17 part types, covering the 4.1L 251cid L6 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 1951 Desoto S-15, 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. 12 parts of the 37 listed are Cylinder Head Gasket (5 parts), Piston Ring (4 parts) and Cylinder Head Gasket Set (3 parts). The other 14 part types cover the remaining 25 parts.
The 1951 Desoto S-15 came with a single engine, the 4.1L 251cid L6, and every part is verified against it.
8 brands supply engine parts for the 1951 Desoto S-15, led by VICTOR REINZ (9 parts), MAHLE / CLEVITE (8 parts) and FEL-PRO (8 parts), plus 5 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1951 Desoto S-15. 1 part has it: FEL-PRO 7688C (Cylinder Head Gasket). Each part number opens a page with every vehicle that part fits.
Camshaft Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | SH37S | 🇺🇸 US | Full Set | 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 1951 Desoto S-15, from MAHLE / CLEVITE and SEALED POWER.
This group includes MAHLE / CLEVITE SH37S 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 1951 Desoto S-15 — 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 |
|---|---|---|---|---|
| FEL-PRO Popular | 7688C | 🇺🇸 US | with Copper-Faced Sandwich Head Gaskets | View on Amazon |
| MAHLE / CLEVITE | 3029 | 🇺🇸 US | CompositeCylinder Head Gasket Material: Composite | View on Amazon |
| MAHLE / CLEVITE | 4922 | 🇺🇸 US | Composite | View on Amazon |
| VICTOR REINZ | 611113900 | 🇺🇸 US | Canadian Built | View on Amazon |
| VICTOR REINZ | 611067000 | 🇺🇸 US | Except Canadian Built | 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.
5 Cylinder Head Gasket parts are listed for the 1951 Desoto S-15, from MAHLE / CLEVITE, VICTOR REINZ and FEL-PRO. FEL-PRO 7688C carries the "Popular" badge.
Part numbers include FEL-PRO 7688C, MAHLE / CLEVITE 3029 and MAHLE / CLEVITE 4922, among others listed above.
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 1951 Desoto S-15, 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 |
| 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 1951 Desoto S-15, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
This group includes 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 1951 Desoto S-15, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
Listed part numbers: 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 1951 Desoto S-15 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 1951 Desoto S-15, from FEL-PRO and VICTOR REINZ.
This group includes FEL-PRO 3122 and VICTOR REINZ 711456300.
Oil Pump
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING | M37 | 🇺🇸 US | Rotor Type Only with Standard Gear | View on Amazon |
| MELLING | M37R | 🇺🇸 US | Right Hand Gear | View on Amazon |
This table covers the Oil pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit.
2 Oil Pump parts for the 1951 Desoto S-15 come from MELLING.
Listed part numbers: MELLING M37 and MELLING M37R.
Oil Pump Repair Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING | K37A | 🇺🇸 US | Includes Distributor Drive Gear | View on Amazon |
This table covers the Oil Pump repair kits.
One part is listed for the 1951 Desoto S-15 — MELLING K37A.
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 1951 Desoto S-15 — SEALED POWER 32NP.
Piston Pin Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | 2233349 | 🇺🇸 US | Requires Light Reaming | View on Amazon |
This table covers the Piston Pin bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.
This group shows a single part: MAHLE / CLEVITE 2233349.
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 1951 Desoto S-15.
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 1951 Desoto S-15 come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
Part numbers include 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 1951 Desoto S-15 come from 2 brands — FEL-PRO and VICTOR REINZ.
This group includes FEL-PRO TCS41552 and VICTOR REINZ 151035801.
Buying Engine Parts for a 1951 Desoto S-15
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 4.1L 251cid 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 and Piston Ring .
Frequently Asked Questions
How many engine parts fit the 1951 Desoto S-15?
Our catalog currently lists 37 engine parts for the 1951 Desoto S-15 across 17 subcategories and 8 brands, covering the 4.1L 251cid L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 1951 Desoto S-15?
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 1951 Desoto S-15 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 1951 Desoto S-15?
Every part on this page is matched to the 4.1L 251cid 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 1951 Desoto S-15
Engine Parts for Other Desoto S-15 Years
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