48 Electrical parts are listed for the 1977 Fiat 128, in 10 part types, covering the 1.3L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1977 Fiat 128, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. Most of the listed parts are Battery Cable (17 parts), Alternator / Generator End Bearing (9 parts) and Alternator / Generator (6 parts). The other 7 part types cover the remaining 16 parts.
Every part on this page is matched to the 1.3L L4 — the only engine offered in the 1977 Fiat 128.
The most listed brands for 1977 Fiat 128 electrical parts are DEKA (9 parts), STANDARD MOTOR PRODUCTS (9 parts) and FVP (4 parts), plus 15 more brands. Quality grades include Standard Replacement and Economy.
8 parts on this 1977 Fiat 128 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including PURE ENERGY 14045 (Alternator / Generator) and WJB / INMOTION PARTS RB6203Z (Alternator / Generator End Bearing). Click any part number to see every vehicle that part fits.
Alternator / Generator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular | 14045 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| PURE ENERGY Popular | 13131 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| FVP | 13131 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| FVP | 14045 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER | 13131 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER | 14045 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator.
6 Alternator / Generator parts are listed for the 1977 Fiat 128, from PURE ENERGY, FVP and TERREPOWER. PURE ENERGY 14045 carries the "Popular" badge.
This group includes PURE ENERGY 14045 and PURE ENERGY 13131 and the remaining parts above.
Alternator / Generator End Bearing
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular | RB6203Z | 🇺🇸 US 🇨🇦 CA | Outside Diameter: 1.575 In | View on Amazon |
| WJB / INMOTION PARTS | RB6203ZZ | 🇺🇸 US 🇨🇦 CA | with Marelli AlternatorTwo Shield Style | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 203S | 🇺🇸 US 🇨🇦 CA | ONE Shield Stylewith Bosch Alternator | View on Amazon |
| BCA | NB203S | 🇺🇸 US 🇨🇦 CA | with Bosch AlternatorDrive End | View on Amazon |
| BCA | NB203SS | 🇺🇸 US 🇨🇦 CA | with Marelli AlternatorDrive End | View on Amazon |
| NATIONAL | 203SS | 🇺🇸 US 🇨🇦 CA | Two Shield Stylewith Marelli Alternator | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTO EXTRA | 62032ZJ | 🇺🇸 US 🇨🇦 CA | FrontDRIVE END | View on Amazon |
| POWER TRAIN COMPONENTS | PT203SS | 🇺🇸 US 🇨🇦 CA | Frontwith Marelli Alternator | View on Amazon |
| TIMKEN | 302SS | 🇺🇸 US 🇨🇦 CA | 0.5118 in. Width | View on Amazon |
This table covers the bearings in the alternator housing. 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.
9 Alternator / Generator End Bearing parts for the 1977 Fiat 128 come from 6 brands — WJB / INMOTION PARTS, NATIONAL, BCA and 3 other brands. The "Popular" part is WJB / INMOTION PARTS RB6203Z.
The Economy section lists 2 options from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS RB6203Z is listed in this group.
In the Standard Replacement grade, NATIONAL and BCA supply 4 parts: built to original-equipment specification. A representative part number is NATIONAL 203S.
3 further parts sit outside the graded sections, with the same engine-level match.
This group includes WJB / INMOTION PARTS RB6203Z, WJB / INMOTION PARTS RB6203ZZ and NATIONAL 203S and the remaining parts above.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | S678DT | 🇺🇸 US 🇨🇦 CA | AGMAGM | View on Amazon |
| DEKA | 9A78DT | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| DEKA | 9A34 | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| FVP | P24AGM | 🇺🇸 US 🇨🇦 CA | Platinum AGMBCI Group: 24 | View on Amazon |
This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery.
4 Battery parts for the 1977 Fiat 128 come from 3 brands — DEKA, BOSCH and FVP.
Listed part numbers: BOSCH S678DT, DEKA 9A78DT and DEKA 9A34, plus the other parts above.
Battery Cable
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 4BC30X | 🇺🇸 US 🇨🇦 CA | GoldInsulation Color: Black, Blue | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | B9G | 🇺🇸 US 🇨🇦 CA | PositiveSwitch To Starter | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | A104 | 🇺🇸 US 🇨🇦 CA | NegativeBATTERY TO GROUND | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | A304U | 🇺🇸 US 🇨🇦 CA | 30" 4 Gauge | View on Amazon |
| DEKA | 00297 | 🇺🇸 US 🇨🇦 CA | Red4 Gauge | View on Amazon |
| DEKA | 00785 | 🇺🇸 US 🇨🇦 CA | Black4 Gauge | View on Amazon |
| DEKA | 00801 | 🇺🇸 US 🇨🇦 CA | Black4 Gauge | View on Amazon |
| DEKA | 00364 | 🇺🇸 US 🇨🇦 CA | Silver4 Gauge | View on Amazon |
| DEKA | 00298 | 🇺🇸 US 🇨🇦 CA | Red4 Gauge | View on Amazon |
| STANDARD MOTOR PRODUCTS | 7104C | 🇺🇸 US 🇨🇦 CA | Federal Wire | View on Amazon |
| STANDARD MOTOR PRODUCTS | 7304SC | 🇺🇸 US 🇨🇦 CA | Federal Wire | View on Amazon |
| STANDARD MOTOR PRODUCTS | 7324LC | 🇺🇸 US 🇨🇦 CA | Federal Wire | View on Amazon |
| STANDARD MOTOR PRODUCTS | A304L | 🇺🇸 US 🇨🇦 CA | NegativeEngine Ground To Frame | View on Amazon |
| UNITED MOTOR PRODUCTS | 4214N | 🇺🇸 US 🇨🇦 CA | 14" Cable4-Gauge | View on Amazon |
| UNITED MOTOR PRODUCTS | 4432 | 🇺🇸 US 🇨🇦 CA | 4-GaugeSwitch To Starter | View on Amazon |
| UNITED MOTOR PRODUCTS | 4232 | 🇺🇸 US 🇨🇦 CA | 32" Cable4-Gauge | View on Amazon |
| WELLS | 1J1150R | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the positive and ground cables that run from the battery. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early.
17 Battery Cable parts are listed for the 1977 Fiat 128, from STANDARD MOTOR PRODUCTS, DEKA, UNITED MOTOR PRODUCTS and 2 other brands. ACDELCO 4BC30X carries the "Popular" badge.
Battery Terminal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA | 00350 | 🇺🇸 US 🇨🇦 CA | Top Post Terminal | View on Amazon |
| DEKA | 01056 | 🇺🇸 US 🇨🇦 CA | Top Post Terminal Lead Free | View on Amazon |
This table covers the terminals and clamps that connect cables to the battery posts.
2 Battery Terminal parts for the 1977 Fiat 128 come from DEKA.
This group includes DEKA 00350 and DEKA 01056.
Flasher
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN | 550 | 🇺🇸 US 🇨🇦 CA | Thermal FlasherThermal, 12v, 3 terminal, 12.8amp, 2-6 bulbs | View on Amazon |
| TRIDON / NOVITA | EL13 | 🇺🇸 US 🇨🇦 CA | Electro-Mechanical Flasher | View on Amazon |
This table covers the flasher units that blink the turn signals and hazards.
2 Flasher parts for the 1977 Fiat 128 come from 2 brands — BUSSMANN and TRIDON / NOVITA.
This group includes BUSSMANN 550 and TRIDON / NOVITA EL13.
Starter Drive
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | E2009 | 🇺🇸 US 🇨🇦 CA | Professional | View on Amazon |
| WELLS | 2K1113 | 🇺🇸 US 🇨🇦 CA | Starter # 4262582 | View on Amazon |
This table covers the starter drives that engage the flywheel ring gear.
2 Starter Drive parts for the 1977 Fiat 128 come from 2 brands — ACDELCO and WELLS.
Listed part numbers: ACDELCO E2009 and WELLS 2K1113.
Starter Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | 16465 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| PURE ENERGY | 16465 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| REMY | 16465 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER | 16465 | 🇺🇸 US 🇨🇦 CA | RemanufacturedVoltage: 12 Volts (Direct Current) | View on Amazon |
This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.
4 Starter Motor parts are listed for the 1977 Fiat 128, from FVP, PURE ENERGY, REMY and 1 other brand.
This group includes FVP 16465 and the remaining parts above.
Starter Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | SS258 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Starter solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid.
One part is listed for the 1977 Fiat 128 — STANDARD MOTOR PRODUCTS SS258.
Voltage Regulator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | VR124 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the regulators that control alternator output voltage.
This group shows a single part: STANDARD MOTOR PRODUCTS VR124.
Buying Electrical Parts for a 1977 Fiat 128
On this vehicle, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.
- Confirm you have the 1.3L 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, clean or renew the battery terminals and grounds with any charging-system repair.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Battery Cable and Alternator / Generator End Bearing .
Frequently Asked Questions
How many electrical parts fit the 1977 Fiat 128?
Our catalog currently lists 48 electrical parts for the 1977 Fiat 128 across 10 subcategories and 18 brands, covering the 1.3L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 1977 Fiat 128?
Common symptoms include slow cranking on cold mornings, a battery light that flickers, dim lights at idle, or a check-engine code pointing at a sensor circuit. 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, clean or renew the battery terminals and grounds with any charging-system repair.
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 1977 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 1977 Fiat 128?
Every part on this page is matched to the 1.3L L4 engine. Then test before replacing — a failed alternator and a bad ground can look identical, and sensors are frequently condemned for wiring faults. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1977 Fiat 128
Electrical Parts for Other Fiat 128 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.