25 Engine parts are listed for the 1971 Fiat 850, in 11 part types, covering both the 817cc L4 and the 903cc L4. Each one has a brand, a manufacturer part number and notes that say where it fits.
The engine on the 1971 Fiat 850 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 Expansion Plug (8 parts), Piston Ring (4 parts) and Camshaft Repair Sleeve (3 parts). The other 8 part types cover the remaining 10 parts.
The 1971 Fiat 850 was sold with both the 817cc L4 and the 903cc L4. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 1971 Fiat 850 engine parts are ELRING (5 parts), DORMAN (4 parts) and PIONEER (4 parts), plus 7 more brands.
2 parts on this 1971 Fiat 850 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including DORMAN 555024 (Expansion Plug) and DORMAN 565027 (Expansion Plug). Click any part number to see every vehicle that part fits.
Camshaft Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: 903cc L4 | 99114 | 🇺🇸 US | View on Amazon | |
| SCHAEFFLER Fits: 903cc L4 | SR3463 | 🇺🇸 US 🇨🇦 CA | 11 MM Width35.56 mm Outside Diameter | View on Amazon |
| WJB / INMOTION PARTS Fits: 903cc L4 | WS99114 | 🇺🇸 US | View on Amazon |
This table covers the wear sleeves used to restore a Camshaft seal surface.
3 Camshaft Repair Sleeve parts are listed for the 1971 Fiat 850, from NATIONAL, SCHAEFFLER and WJB / INMOTION PARTS.
This group includes NATIONAL 99114, SCHAEFFLER SR3463 and WJB / INMOTION PARTS WS99114.
Camshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: 903cc L4 | NS223035 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| NATIONAL Fits: 903cc L4 | 223035 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the seals at each camshaft end. 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 Camshaft Seal parts are listed for the 1971 Fiat 850, from BCA and NATIONAL.
Part numbers include BCA NS223035 and NATIONAL 223035.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 903cc L4 | 440780 | 🇨🇦 CA | Material: ACM (Polyacrylate)Radial Shaft Seal Design: AwithBS | 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.
One part is listed for the 1971 Fiat 850 — ELRING 440780.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 903cc L4 | 985880 | 🇨🇦 CA | Thickness: 1.12 MM | View on Amazon |
| ELRING Fits: 903cc L4 | 144420 | 🇨🇦 CA | Thickness: 1.74 MM | 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 1971 Fiat 850 come from ELRING.
Part numbers include ELRING 985880 and ELRING 144420.
Expansion Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: 903cc L4 | 555024 | 🇺🇸 US 🇨🇦 CA | Nominal Dia.: 31.91mmMetric Dia. | View on Amazon |
| DORMAN Popular Fits: 903cc L4 | 565027 | 🇺🇸 US 🇨🇦 CA | Nominal Dia.: 38.25mmMetric Dia. | View on Amazon |
| DORMAN Fits: 903cc L4 | 555027 | 🇺🇸 US 🇨🇦 CA | Nominal Dia.: 38.25mmMetric Dia. | View on Amazon |
| DORMAN Fits: 903cc L4 | 568009 | 🇺🇸 US 🇨🇦 CA | Standard Size: 1-1/2"Metric Size: 38.5mm | View on Amazon |
| MELLING Fits: 903cc L4 | MPE151R | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
| PIONEER Fits: 903cc L4 | PE151R | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
| PIONEER Fits: 903cc L4 | PE151 | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
| PIONEER Fits: 903cc L4 | PE151BR | 🇺🇸 US 🇨🇦 CA | Brass or Steel | View on Amazon |
This table covers the Expansion plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.
8 Expansion Plug parts for the 1971 Fiat 850 come from 3 brands — DORMAN, PIONEER and MELLING. The "Popular" part is DORMAN 555024.
Listed part numbers: DORMAN 555024, DORMAN 565027 and DORMAN 555027, plus the other parts above.
Oil Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS / BALDWIN Fits: 903cc L4 | LF198 | 🇺🇸 US 🇨🇦 CA | COUPE,SPIDER | 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.
One part is listed for the 1971 Fiat 850 — HASTINGS / BALDWIN LF198.
Oil Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 903cc L4 | 918024 | 🇨🇦 CA | CoupeBase Model | 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.
One part is listed for the 1971 Fiat 850 — ELRING 918024.
Piston Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS MANUFACTURING Fits: 903cc L4 | 2C6796S | 🇺🇸 US 🇨🇦 CA | 1 Cylinder SetChrome Top Ring | View on Amazon |
| HASTINGS MANUFACTURING Fits: 903cc L4 | 2C6796 | 🇺🇸 US 🇨🇦 CA | Full SetChrome Top Ring | View on Amazon |
| HASTINGS MANUFACTURING Fits: 903cc L4 | 6796 | 🇺🇸 US 🇨🇦 CA | Full SetPlain Cast Top Ring | View on Amazon |
| HASTINGS MANUFACTURING Fits: 903cc L4 | 6796S | 🇺🇸 US 🇨🇦 CA | 1 Cylinder SetPlain Cast Top Ring | View on Amazon |
This table covers the rings that seal each piston to the cylinder wall.
4 Piston Ring parts for the 1971 Fiat 850 come from HASTINGS MANUFACTURING.
Part numbers include HASTINGS MANUFACTURING 2C6796S, HASTINGS MANUFACTURING 2C6796 and HASTINGS MANUFACTURING 6796, among others listed above.
Timing Cover Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: 903cc L4 | 224220 | 🇺🇸 US 🇨🇦 CA | Timing Cover Seal OIL SEALBase Model | 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 1971 Fiat 850 — NATIONAL 224220.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 903cc L4 | 154016 | 🇨🇦 CA | CoupeBase Model | 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.
One part is listed for the 1971 Fiat 850 — ELRING 154016.
Valve Spring Shim
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PIONEER Fits: 903cc L4 | B106 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Valve Spring shims.
One part is listed for the 1971 Fiat 850 — PIONEER B106.
Buying Engine Parts for a 1971 Fiat 850
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.
- Match the engine first. Every engine part here is engine-specific; each row shows which engine(s) it fits.
- 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: Expansion Plug and Piston Ring .
Frequently Asked Questions
How many engine parts fit the 1971 Fiat 850?
Our catalog currently lists 25 engine parts for the 1971 Fiat 850 across 11 subcategories and 10 brands, covering both the 817cc L4 and the 903cc L4. Each part is matched to the engine(s) it fits.
Do engine parts differ between 1971 Fiat 850 engines?
Yes. Every engine part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of engine problems on a 1971 Fiat 850?
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 1971 Fiat 850 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 1971 Fiat 850?
First match the engine — each row shows which engine(s) the part fits. 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 1971 Fiat 850
Engine Parts for Other Fiat 850 Years
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