1978 Fiat 128 Electrical Parts

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. Read more

5 Alternator / Generator parts for the 1978 Fiat 128 come from 3 brands — PURE ENERGY, FVP and TERREPOWER. The "Popular" part is PURE ENERGY 14295.

Part numbers include PURE ENERGY 14295 and FVP 13137, among others listed above.

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. Read more

9 Alternator / Generator End Bearing parts are listed for the 1978 Fiat 128, from WJB / INMOTION PARTS, NATIONAL, BCA and 3 other brands. WJB / INMOTION PARTS RB6203Z carries the "Popular" badge.

In the Economy grade, WJB / INMOTION PARTS supplies 2 parts: the catalog's value-priced group. A representative part number is WJB / INMOTION PARTS RB6203Z.

The Standard Replacement section lists 4 options from NATIONAL and BCA — built to original-equipment specification. NATIONAL 203S is listed in this group.

3 ungrouped parts are not assigned to a grade, with the same engine-level match.

Part numbers include WJB / INMOTION PARTS RB6203Z, WJB / INMOTION PARTS RB6203ZZ and NATIONAL 203S, among others listed above.

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. Read more

4 Battery parts are listed for the 1978 Fiat 128, from DEKA, BOSCH and FVP.

This group includes BOSCH S678DT, DEKA 9A78DT and DEKA 9A34 and the remaining parts above.

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. Read more

16 Battery Cable parts for the 1978 Fiat 128 come from 4 brands — STANDARD MOTOR PRODUCTS, DEKA, UNITED MOTOR PRODUCTS and 1 other brand. The "Popular" part is ACDELCO 4BC30X.

This table covers the terminals and clamps that connect cables to the battery posts. Read more

DEKA supplies both parts for the 1978 Fiat 128.

Part numbers include DEKA 00350 and DEKA 01056.

This table covers the flasher units that blink the turn signals and hazards. Read more

3 Flasher parts are listed for the 1978 Fiat 128, from BUSSMANN, STANDARD MOTOR PRODUCTS and TRIDON / NOVITA.

This group includes BUSSMANN 550, STANDARD MOTOR PRODUCTS EFL2 and TRIDON / NOVITA EL13.

This table covers the starter drives that engage the flywheel ring gear. Read more

2 Starter Drive parts are listed for the 1978 Fiat 128, from ACDELCO and WELLS.

This group includes ACDELCO E2009 and WELLS 2K1113.

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. Read more

4 Starter Motor parts for the 1978 Fiat 128 come from 4 brands — FVP, PURE ENERGY, REMY and 1 other brand.

Part numbers include FVP 16465, among others listed above.

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. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS SS258.

This table covers the regulators that control alternator output voltage. Read more

One part is listed for the 1978 Fiat 128 — WELLS 1V1025.