The 1975 Fiat 124 has 16 drivetrain parts with verified fitment on this page — 5 part types and 7 brands, covering the 1.8L L4 engine. Each part includes a manufacturer part number and application notes.
On the 1975 Fiat 124, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Most of the listed parts are Universal Joint (6 parts), CV Joint Boot (4 parts) and Differential Pinion Bearing / Race (3 parts). The other 2 part types cover the remaining 3 parts.
Every part on this page is matched to the 1.8L L4 — the only engine offered in the 1975 Fiat 124.
The most listed brands for 1975 Fiat 124 drivetrain parts are DORMAN (4 parts), SKF (3 parts) and SCHAEFFLER (2 parts), plus 4 more brands. Quality grades include Standard Replacement and Economy.
2 parts on this 1975 Fiat 124 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including GMB 2200500 (Universal Joint) and MOOG 341 (Universal Joint). Click any part number to see every vehicle that part fits.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 614001 | 🇺🇸 US 🇨🇦 CA | Joint Diameter 3.58"Shaft End Inside Diameter .93" | View on Amazon |
| DORMAN | 03680 | 🇺🇸 US 🇨🇦 CA | OuterJoint Diameter 3.83" | View on Amazon |
| DORMAN | 614002 | 🇺🇸 US 🇨🇦 CA | Joint Diameter 3.3"Shaft End Inside Diameter 0.87" | View on Amazon |
| DORMAN | 614701 | 🇺🇸 US 🇨🇦 CA | OuterQuick-Boot | 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.
4 CV Joint Boot parts for the 1975 Fiat 124 come from DORMAN.
This group includes DORMAN 614001, DORMAN 03680 and DORMAN 614002 and the remaining parts above.
Differential Pinion Bearing / Race
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER | KHM89443 | 🇺🇸 US 🇨🇦 CA | Rear Outer28.575 mm Width | View on Amazon |
| TIMKEN | HM89410 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| TIMKEN | HM89443 | 🇺🇸 US 🇨🇦 CA | Rear Outer | View on Amazon |
This table covers the bearings and races on the differential pinion.
3 Differential Pinion Bearing / Race parts are listed for the 1975 Fiat 124, from TIMKEN and SCHAEFFLER.
Listed part numbers: SCHAEFFLER KHM89443, TIMKEN HM89410 and TIMKEN HM89443.
Differential Pinion Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF | 99146 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
This table covers the wear sleeves used to restore a grooved pinion seal surface.
This group shows a single part: SKF 99146.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER | SS4360 | 🇺🇸 US 🇨🇦 CA | Rear2.68" O.D. X 0.31" Width | View on Amazon |
| SKF | 14065 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
This table covers the seals at the differential pinion yoke. 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 Differential Pinion Seal parts for the 1975 Fiat 124 come from 2 brands — SCHAEFFLER and SKF.
Listed part numbers: SCHAEFFLER SS4360 and SKF 14065.
Universal Joint
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DANA | 25101X | 🇺🇸 US 🇨🇦 CA | Spicer SelectNon-Greasable | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GMB Popular | 2200500 | 🇺🇸 US 🇨🇦 CA | GreasableGrease Fitting in Cross | View on Amazon |
| MOOG Popular | 341 | 🇺🇸 US 🇨🇦 CA | Fits Rear Driveshaft at Rear AxleExcept Short Grease Fitting | View on Amazon |
| DANA | 5101X | 🇺🇸 US 🇨🇦 CA | SpicerNon-Greasable | View on Amazon |
| GMB | 2200600 | 🇺🇸 US 🇨🇦 CA | GreasableGrease Fitting in Bearing Cap | View on Amazon |
| SKF | UJ341 | 🇺🇸 US 🇨🇦 CA | Greaseable | View on Amazon |
This table covers the U-joints in the driveshaft.
6 Universal Joint parts for the 1975 Fiat 124 come from 4 brands — DANA, GMB, MOOG and 1 other brand. The "Popular" part is GMB 2200500.
The Economy section lists 1 option from DANA — the catalog's value-priced group. DANA 25101X is listed in this group.
In the Standard Replacement grade, GMB, MOOG, DANA and 1 other brand supply 5 parts: built to original-equipment specification. A representative part number is GMB 2200500.
Listed part numbers: GMB 2200500, DANA 25101X and MOOG 341, plus the other parts above.
Buying Drivetrain Parts for a 1975 Fiat 124
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Confirm you have the 1.8L L4 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 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: Universal Joint and CV Joint Boot .
Frequently Asked Questions
How many drivetrain parts fit the 1975 Fiat 124?
Our catalog currently lists 16 drivetrain parts for the 1975 Fiat 124 across 5 subcategories and 7 brands, covering the 1.8L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 1975 Fiat 124?
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 1975 Fiat 124 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 1975 Fiat 124?
Every part on this page is matched to the 1.8L L4 engine. 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 1975 Fiat 124
Drivetrain Parts for Other Fiat 124 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.