5 Drivetrain parts are listed for the 1973 Fiat 128, in 1 part type, covering both the 1.1L L4 and the 1.3L L4. Each one has a brand, a manufacturer part number and notes that say where it fits.
The drivetrain system on the 1973 Fiat 128 moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Every listed part is a CV Joint Boot.
The 1973 Fiat 128 was sold with both the 1.1L L4 and the 1.3L L4. All 5 parts on this page fit every engine.
The most listed brands for 1973 Fiat 128 drivetrain parts are DORMAN (4 parts) and MEVOTECH (1 part).
1 part on this 1973 Fiat 128 page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — DORMAN 03680 (CV Joint Boot). Click any part number to see every vehicle that part fits.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: all 1973 128 engines | 03680 | 🇺🇸 US 🇨🇦 CA | OuterJoint Diameter 3.83" | View on Amazon |
| DORMAN Fits: all 1973 128 engines | 614001 | 🇺🇸 US 🇨🇦 CA | Joint Diameter 3.58"Shaft End Inside Diameter .93" | View on Amazon |
| DORMAN Fits: all 1973 128 engines | 614002 | 🇺🇸 US 🇨🇦 CA | Joint Diameter 3.3"Shaft End Inside Diameter 0.87" | View on Amazon |
| DORMAN Fits: all 1973 128 engines | 614701 | 🇺🇸 US 🇨🇦 CA | OuterQuick-Boot | View on Amazon |
| MEVOTECH Fits: all 1973 128 engines | DX541 | 🇺🇸 US 🇨🇦 CA | Front Inner | View on Amazon |
This table covers the boots that keep grease in a CV joint. Typical signs include a split boot, grease flung around the joint, or a click once grit is inside. A boot caught early is a kit. Once the joint has clicked, the joint itself is usually worn.
5 CV Joint Boot parts for the 1973 Fiat 128 come from 2 brands — DORMAN and MEVOTECH. The "Popular" part is DORMAN 03680. Every part fits both the 1.1L L4 and the 1.3L L4.
Listed part numbers: DORMAN 03680, DORMAN 614001 and DORMAN 614002, plus the other parts above.
Buying Drivetrain Parts for a 1973 Fiat 128
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- You do not need to pick an engine: every drivetrain part on this page fits both the 1.1L L4 and the 1.3L L4.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the differential or transfer-case fluid with any axle or seal job while everything is already open.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: CV Joint Boot .
Frequently Asked Questions
How many drivetrain parts fit the 1973 Fiat 128?
Our catalog currently lists 5 drivetrain parts for the 1973 Fiat 128 across 1 subcategory and 2 brands, covering both the 1.1L L4 and the 1.3L L4. Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 1973 Fiat 128 engines?
No. On this page every drivetrain part fits both the 1.1L L4 and the 1.3L L4. You do not need to pick an engine to choose the right row — use the notes for position and trim.
What are the signs of drivetrain problems on a 1973 Fiat 128?
Common symptoms include clicking in tight turns, a clunk when shifting between drive and reverse, vibration that builds with speed, or gear oil on the inside of a wheel. 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 differential or transfer-case fluid with any axle or seal job while everything is already open.
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 1973 Fiat 128 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 1973 Fiat 128?
Every part on this page already fits both the 1.1L L4 and the 1.3L L4. Then a torn CV boot caught early is a cheap boot kit; caught late it is a whole axle — inspect before deciding which to buy. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1973 Fiat 128
Drivetrain Parts for Other Fiat 128 Years
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