This page lists 53 engine parts for the 1966 Fargo P100 Parcel Delivery, across 24 part types, covering the 3.7L 225cid L6 engine. Every part shows its brand, manufacturer part number and fitment notes.
The engine on the 1966 Fargo P100 Parcel Delivery 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 Engine Kit Gasket Set (5 parts), Piston Ring (5 parts) and Valve Stem Seal (4 parts). The other 21 part types cover the remaining 39 parts.
Every part on this page is matched to the 3.7L 225cid L6 — the only engine offered in the 1966 Fargo P100 Parcel Delivery.
The most listed brands for 1966 Fargo P100 Parcel Delivery engine parts are FEL-PRO (14 parts), VICTOR REINZ (14 parts) and MAHLE / CLEVITE (12 parts), plus 5 more brands. Quality grades include Standard Replacement and Premium.
2 parts on this 1966 Fargo P100 Parcel Delivery page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FEL-PRO 2601004 (Engine Kit Gasket Set) and HASTINGS MANUFACTURING 687 (Piston Ring). Click any part number to see every vehicle that part fits.
Camshaft Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SEALED POWER | 1454M | 🇨🇦 CA | (Size: 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.
This group shows a single part: SEALED POWER 1454M.
Connecting Rod Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS | CR6615AM | 🇨🇦 CA | SetBI-Metal (aluminum base) | View on Amazon |
| SEALED POWER | 62375CP | 🇨🇦 CA | Set | 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.
2 Connecting Rod Bearing parts for the 1966 Fargo P100 Parcel Delivery come from 2 brands — KING ENGINE BEARINGS and SEALED POWER.
This group includes KING ENGINE BEARINGS CR6615AM and SEALED POWER 62375CP.
Crankshaft Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WS99226 | 🇨🇦 CA | Front | View on Amazon |
This table covers the sleeves used to restore a grooved crankshaft seal surface.
One part is listed for the 1966 Fargo P100 Parcel Delivery — WJB / INMOTION PARTS WS99226.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | BS40240 | 🇨🇦 CA | Rubber | View on Amazon |
| MAHLE / CLEVITE | JV607 | 🇨🇦 CA | Set | 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 are listed for the 1966 Fargo P100 Parcel Delivery, from FEL-PRO and MAHLE / CLEVITE.
This group includes FEL-PRO BS40240 and MAHLE / CLEVITE JV607.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | 7918PT1 | 🇨🇦 CA | View on Amazon | |
| MAHLE / CLEVITE | 1162VC | 🇨🇦 CA | Composite | 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 for the 1966 Fargo P100 Parcel Delivery come from 2 brands — FEL-PRO and MAHLE / CLEVITE.
Part numbers include FEL-PRO 7918PT1 and MAHLE / CLEVITE 1162VC.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | HS7918PT4 | 🇨🇦 CA | Includes Valve Stem Seals | View on Amazon |
| MAHLE / CLEVITE | HS1162VE | 🇨🇦 CA | Includes Valve Stem Seals | View on Amazon |
| VICTOR REINZ | 021012901 | 🇨🇦 CA | 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 for the 1966 Fargo P100 Parcel Delivery come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
Listed part numbers: FEL-PRO HS7918PT4, MAHLE / CLEVITE HS1162VE and VICTOR REINZ 021012901.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular | 2601004 | 🇨🇦 CA | View on Amazon | |
| FEL-PRO | FS7918PT4 | 🇨🇦 CA | Overhaul Set | View on Amazon |
| MAHLE / CLEVITE | 953001 | 🇨🇦 CA | Full Gasket Set | View on Amazon |
| MAHLE / CLEVITE | FS1162VE | 🇨🇦 CA | Full Gasket Set | View on Amazon |
| VICTOR REINZ | 011006901 | 🇨🇦 CA | 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.
5 Engine Kit Gasket Set parts for the 1966 Fargo P100 Parcel Delivery come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ. The "Popular" part is FEL-PRO 2601004.
This group includes FEL-PRO 2601004, FEL-PRO FS7918PT4 and MAHLE / CLEVITE 953001 and the remaining parts above.
Harmonic Balancer Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | 66593RS | 🇨🇦 CA | Nickel Plated Formed Steel | View on Amazon |
This table covers the wear sleeves used to restore a Harmonic Balancer seal surface.
One part is listed for the 1966 Fargo P100 Parcel Delivery — MAHLE / CLEVITE 66593RS.
Intake & Exhaust Manifold Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | MS9610B1 | 🇨🇦 CA | View on Amazon | |
| MAHLE / CLEVITE | MS16030 | 🇨🇦 CA | Composite | View on Amazon |
| VICTOR REINZ | 711472900 | 🇨🇦 CA | 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 for the 1966 Fargo P100 Parcel Delivery come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
This group includes FEL-PRO MS9610B1, MAHLE / CLEVITE MS16030 and VICTOR REINZ 711472900.
Intake to Exhaust Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | 901042 | 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ | 711382200 | 🇨🇦 CA | View on Amazon |
This table covers the gaskets that seal the Intake to Exhaust. 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 Intake to Exhaust Gasket parts are listed for the 1966 Fargo P100 Parcel Delivery, from FEL-PRO and VICTOR REINZ.
Part numbers include FEL-PRO 901042 and VICTOR REINZ 711382200.
O-Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VICTOR REINZ | 411041400 | 🇨🇦 CA | Fuel Filter Bowl1In 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.
One part is listed for the 1966 Fargo P100 Parcel Delivery — VICTOR REINZ 411041400.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | 70822 | 🇨🇦 CA | 0.500 (in) Inside Diameter x 0.900 (in) Outside DiameterFlat Washer | View on Amazon |
| VICTOR REINZ | 711346200 | 🇨🇦 CA | 0.500 IN Inside Diameter | View on Amazon |
This table covers the crush washers and gaskets under the oil drain plug. 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 Drain Plug Gasket parts for the 1966 Fargo P100 Parcel Delivery come from 2 brands — FEL-PRO and VICTOR REINZ.
Part numbers include FEL-PRO 70822 and VICTOR REINZ 711346200.
Oil Filter Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | 70078 | 🇨🇦 CA | Oil Filter Cover O-Ring | View on Amazon |
| VICTOR REINZ | 711462500 | 🇨🇦 CA | Oil filter cover | View on Amazon |
This table covers the gaskets that seal the Oil Filter. 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 Filter Gasket parts for the 1966 Fargo P100 Parcel Delivery come from 2 brands — FEL-PRO and VICTOR REINZ.
This group includes FEL-PRO 70078 and VICTOR REINZ 711462500.
Oil Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | OS12705C1 | 🇨🇦 CA | View on Amazon | |
| MAHLE / CLEVITE | OS30920X | 🇨🇦 CA | Cork-Rubber | View on Amazon |
| VICTOR REINZ | 101018001 | 🇨🇦 CA | 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.
3 Oil Pan Gasket parts are listed for the 1966 Fargo P100 Parcel Delivery, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
Part numbers include FEL-PRO OS12705C1, MAHLE / CLEVITE OS30920X and VICTOR REINZ 101018001.
Oil Pressure Relief Valve Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | 3122 | 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ | 711456300 | 🇨🇦 CA | 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 for the 1966 Fargo P100 Parcel Delivery come from 2 brands — FEL-PRO and VICTOR REINZ.
Part numbers include FEL-PRO 3122 and VICTOR REINZ 711456300.
Oil Pump Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VICTOR REINZ | 711450000 | 🇨🇦 CA | Oil pump body | View on Amazon |
This table covers the gaskets that seal the Oil Pump. 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.
This group shows a single part: VICTOR REINZ 711450000.
Piston
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SEALED POWER | 244NP | 🇨🇦 CA | Flat HeadCast Iron | View on Amazon |
| SILV-O-LITE | 1294 | 🇨🇦 CA | Offset Pin ConfigurationPress Pin Type | 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.
2 Piston parts for the 1966 Fargo P100 Parcel Delivery come from 2 brands — SEALED POWER and SILV-O-LITE.
This group includes SEALED POWER 244NP and SILV-O-LITE 1294.
Piston Pin Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SEALED POWER | 2134Y | 🇨🇦 CA | O.D.=1.0385 I.D.=0.9846 Length=1.2 | 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.
One part is listed for the 1966 Fargo P100 Parcel Delivery — SEALED POWER 2134Y.
Piston Ring
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS MANUFACTURING | 2M687 | 🇨🇦 CA | Plasma Moly Top RingTop Ring Surface Treatment: Plasma Moly | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS MANUFACTURING Popular | 687 | 🇨🇦 CA | Full SetTop Ring Surface Treatment: Phosphate | View on Amazon |
| HASTINGS MANUFACTURING | 2C687S | 🇨🇦 CA | Chrome Top Ring1 Cylinder Set | View on Amazon |
| HASTINGS MANUFACTURING | 2C687 | 🇨🇦 CA | Full SetTop Ring Surface Treatment: Chrome | View on Amazon |
| SEALED POWER | E196X | 🇨🇦 CA | Ring Groove Widths: 5/64in, 5/64in, 3/16inSet | View on Amazon |
This table covers the rings that seal each piston to the cylinder wall.
5 Piston Ring parts for the 1966 Fargo P100 Parcel Delivery come from 2 brands — HASTINGS MANUFACTURING and SEALED POWER. The "Popular" part is HASTINGS MANUFACTURING 687.
In the Premium grade, HASTINGS MANUFACTURING supplies 1 part: a step above OE specification in materials, tolerances or warranty terms. A representative part number is HASTINGS MANUFACTURING 2M687.
In the Standard Replacement grade, HASTINGS MANUFACTURING and SEALED POWER supply 4 parts: built to original-equipment specification. A representative part number is HASTINGS MANUFACTURING 687.
Listed part numbers: HASTINGS MANUFACTURING 687, HASTINGS MANUFACTURING 2M687 and HASTINGS MANUFACTURING 2C687S, plus the other parts above.
Timing Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | TCS127691 | 🇨🇦 CA | Repair Sleeve Not Included | View on Amazon |
| MAHLE / CLEVITE | JV814 | 🇨🇦 CA | Set | View on Amazon |
| VICTOR REINZ | 151035401 | 🇨🇦 CA | 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.
3 Timing Cover Gasket parts are listed for the 1966 Fargo P100 Parcel Delivery, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
Part numbers include FEL-PRO TCS127691, MAHLE / CLEVITE JV814 and VICTOR REINZ 151035401.
Timing Cover Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | 64572 | 🇨🇦 CA | Rubber | View on Amazon |
This table covers the seals at the Timing Cover. 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.
One part is listed for the 1966 Fargo P100 Parcel Delivery — MAHLE / CLEVITE 64572.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | VS12680 | 🇨🇦 CA | Does Not Include Spark Plug Tube SealsCork | View on Amazon |
| MAHLE / CLEVITE | VS39745 | 🇨🇦 CA | Cork-Rubber | View on Amazon |
| VICTOR REINZ | 151040001 | 🇨🇦 CA | SetCork | View on Amazon |
This table covers the gaskets that seal the valve cover 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.
3 Valve Cover Gasket parts are listed for the 1966 Fargo P100 Parcel Delivery, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
Listed part numbers: FEL-PRO VS12680, MAHLE / CLEVITE VS39745 and VICTOR REINZ 151040001.
Valve Lifter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SEALED POWER | AT2084 | 🇨🇦 CA | Mechanical Lifter | View on Amazon |
This table covers the lifters / tappets that transfer cam motion to the valves.
One part is listed for the 1966 Fargo P100 Parcel Delivery — SEALED POWER AT2084.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | SS12764 | 🇨🇦 CA | Set | View on Amazon |
| MAHLE / CLEVITE | SS45298 | 🇨🇦 CA | NitrileUpper Inside Diameter-Valve Side (mm): 8.7 | View on Amazon |
| VICTOR REINZ | 121007101 | 🇨🇦 CA | SetContains 8 Pieces | View on Amazon |
| VICTOR REINZ | 121007501 | 🇨🇦 CA | 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.
4 Valve Stem Seal parts are listed for the 1966 Fargo P100 Parcel Delivery, from VICTOR REINZ, FEL-PRO and MAHLE / CLEVITE.
Listed part numbers: FEL-PRO SS12764, MAHLE / CLEVITE SS45298 and VICTOR REINZ 121007101, plus the other parts above.
Buying Engine Parts for a 1966 Fargo P100 Parcel Delivery
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 3.7L 225cid 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: Engine Kit Gasket Set and Piston Ring .
Frequently Asked Questions
How many engine parts fit the 1966 Fargo P100 Parcel Delivery?
Our catalog currently lists 53 engine parts for the 1966 Fargo P100 Parcel Delivery across 24 subcategories and 8 brands, covering the 3.7L 225cid L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 1966 Fargo P100 Parcel Delivery?
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 1966 Fargo P100 Parcel Delivery 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 1966 Fargo P100 Parcel Delivery?
Every part on this page is matched to the 3.7L 225cid 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 1966 Fargo P100 Parcel Delivery
Engine Parts for Other Fargo P100 Parcel Delivery Years
Switch vehicle or jump to a subcategory
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.