19 Electrical parts are listed for the 1964 Alfa Romeo Giulia, in 5 part types, covering the 1.6L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1964 Alfa Romeo Giulia, 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 Alternator / Generator End Bearing (10 parts), Battery (5 parts) and Voltage Regulator (2 parts). The other 2 part types cover the remaining 2 parts.
Every part on this page is matched to the 1.6L L4 — the only engine offered in the 1964 Alfa Romeo Giulia.
The most listed brands for 1964 Alfa Romeo Giulia electrical parts are WJB / INMOTION PARTS (4 parts), BCA (4 parts) and WELLS (3 parts), plus 5 more brands. Quality grades include Economy and Standard Replacement.
4 parts on this 1964 Alfa Romeo Giulia page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including WJB / INMOTION PARTS RB6203Z (Alternator / Generator End Bearing) and DEKA 9A78DT (Battery). Click any part number to see every vehicle that part fits.
Alternator / Generator End Bearing
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular | RB6203Z | 🇺🇸 US | Outside Diameter: 1.575 In | View on Amazon |
| WJB / INMOTION PARTS | RB6201 | 🇺🇸 US | with Marelli AlternatorDN44E Models | View on Amazon |
| WJB / INMOTION PARTS | RB6201Z | 🇺🇸 US | with Bosch Alternatorwith 35, 45 Amps Alternator | View on Amazon |
| WJB / INMOTION PARTS | RB6202 | 🇺🇸 US | Open Designwith Marelli Alternator | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Popular | NB203S | 🇺🇸 US | with Bosch Alternatorwith ONE Shield Design | View on Amazon |
| NATIONAL Popular | 203S | 🇺🇸 US | ONE Shield Stylewith Bosch Alternator | View on Amazon |
| BCA | NB202 | 🇺🇸 US | with Marelli, DN44AE AlternatorDrive End | View on Amazon |
| BCA | NB201S | 🇺🇸 US | with 35, 45 Amps AlternatorCommutator End | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NB201 | 🇺🇸 US | with Marelli, DN44E AlternatorCommutator End | View on Amazon |
| NATIONAL | 202 | 🇺🇸 US 🇨🇦 CA | Fits Frontwith Marelli Alternator | 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.
10 Alternator / Generator End Bearing parts for the 1964 Alfa Romeo Giulia come from 3 brands — WJB / INMOTION PARTS, BCA and NATIONAL. The "Popular" part is WJB / INMOTION PARTS RB6203Z.
The Economy section lists 4 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, BCA and NATIONAL supply 4 parts: built to original-equipment specification. A representative part number is BCA NB203S.
2 further parts sit outside the graded sections, with the same engine-level match.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular | 9A78DT | 🇺🇸 US | IntimidatorAGM | View on Amazon |
| DEKA | 9A34 | 🇺🇸 US | IntimidatorAGM | View on Amazon |
| EXIDE | MX24 | 🇺🇸 US | Marathon MaxBCI Group 24 | View on Amazon |
| FVP | P24AGM | 🇺🇸 US | Platinum AGMBCI Group: 24 | View on Amazon |
| FVP | P24RAGM | 🇺🇸 US | 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.
5 Battery parts for the 1964 Alfa Romeo Giulia come from 3 brands — DEKA, FVP and EXIDE. The "Popular" part is DEKA 9A78DT.
Listed part numbers: DEKA 9A78DT, DEKA 9A34 and EXIDE MX24, plus the other parts above.
Starter Brush
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 5A1002 | 🇺🇸 US | with Bosch Starter # 211016 | View on Amazon |
This table covers the brushes inside the starter motor.
This group shows a single part: WELLS 5A1002.
Starter Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1M1557 | 🇺🇸 US | 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 1964 Alfa Romeo Giulia — WELLS 1M1557.
Voltage Regulator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | VR39 | 🇺🇸 US | View on Amazon | |
| WELLS | 1V1028 | 🇺🇸 US | with Generator | View on Amazon |
This table covers the regulators that control alternator output voltage.
2 Voltage Regulator parts for the 1964 Alfa Romeo Giulia come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
This group includes STANDARD MOTOR PRODUCTS VR39 and WELLS 1V1028.
Buying Electrical Parts for a 1964 Alfa Romeo Giulia
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 1.6L 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: Alternator / Generator End Bearing and Battery .
Frequently Asked Questions
How many electrical parts fit the 1964 Alfa Romeo Giulia?
Our catalog currently lists 19 electrical parts for the 1964 Alfa Romeo Giulia across 5 subcategories and 8 brands, covering the 1.6L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 1964 Alfa Romeo Giulia?
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 1964 Alfa Romeo Giulia 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 1964 Alfa Romeo Giulia?
Every part on this page is matched to the 1.6L 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 1964 Alfa Romeo Giulia
Electrical Parts for Other Alfa Romeo Giulia Years
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