This page lists 28 electrical parts for the 1966 MG MGB, across 5 part types, covering the 1.8L L4 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 1966 MG MGB, 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 (7 parts), Battery Cable (7 parts) and Horn (6 parts). The other 2 part types cover the remaining 8 parts.
The 1966 MG MGB came with a single engine, the 1.8L L4, and every part is verified against it.
15 brands supply electrical parts for the 1966 MG MGB, led by STANDARD MOTOR PRODUCTS (9 parts), REMY (2 parts) and TERREPOWER (2 parts), plus 12 more brands. Quality grades include Remanufactured, Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1966 MG MGB. 7 parts have it, including WAI GLOBAL 15017N (Alternator / Generator) and NATIONAL 202 (Alternator / Generator End Bearing). Each part number opens a page with every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Popular | 15017N | 🇺🇸 US | Does Not Include Pulley | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | 15017 | 🇺🇸 US | RemanufacturedDoes Not Include Pulley | View on Amazon |
| PURE ENERGY | 15017 | 🇺🇸 US | RemanufacturedDoes Not Include Pulley | View on Amazon |
| REMY | 15017 | 🇺🇸 US | Premium RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER | 15017 | 🇺🇸 US | 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.
5 Alternator / Generator parts for the 1966 MG MGB come from 5 brands — WAI GLOBAL, FVP, PURE ENERGY and 2 other brands. The "Popular" part is WAI GLOBAL 15017N.
The New section lists 1 option from WAI GLOBAL — brand-new units rather than rebuilt ones. WAI GLOBAL 15017N is listed in this group.
The Remanufactured section lists 4 options from FVP, PURE ENERGY, REMY and 1 other brand — factory-rebuilt units with new wear components. FVP 15017 is listed in this group.
Part numbers include WAI GLOBAL 15017N and FVP 15017, among others listed above.
Alternator / Generator End Bearing
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | RB6202 | 🇺🇸 US | Open Designwith Lucas Alternator | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 202 | 🇺🇸 US | Open Designwith Lucas Alternator | View on Amazon |
| SKF Popular | 6202J | 🇺🇸 US | Drive End | View on Amazon |
| BCA | NB202 | 🇺🇸 US | 22 Ampswith Lucas, C40 Alternator | View on Amazon |
| SCHAEFFLER | 6202 | 🇺🇸 US | Front35 mm Outside Diameter | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 0513860 | 🇺🇸 US | Bearing Only | View on Amazon |
| NATIONAL | 202 | 🇺🇸 US 🇨🇦 CA | Fits Front22 Amp 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.
7 Alternator / Generator End Bearing parts are listed for the 1966 MG MGB, from NATIONAL, WJB / INMOTION PARTS, SKF and 3 other brands. NATIONAL 202 carries the "Popular" badge.
In the Economy grade, WJB / INMOTION PARTS supplies 1 part: the catalog's value-priced group. A representative part number is WJB / INMOTION PARTS RB6202.
The Standard Replacement section lists 4 options from NATIONAL, SKF, BCA and 1 other brand — built to original-equipment specification. NATIONAL 202 is listed in this group.
2 ungrouped parts are not assigned to a grade, with the same engine-level match.
This group includes NATIONAL 202, WJB / INMOTION PARTS RB6202 and SKF 6202J and the remaining parts above.
Battery Cable
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | 7154C | 🇺🇸 US | Federal Wire | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | A164 | 🇺🇸 US | 16 Length | View on Amazon |
| ACDELCO | 4BC16 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| STANDARD MOTOR PRODUCTS | 7244SC | 🇺🇸 US | Length: 24"Federal Wire | View on Amazon |
| STANDARD MOTOR PRODUCTS | A244L | 🇺🇸 US | 24" Length | View on Amazon |
| UNITED MOTOR PRODUCTS | 4424 | 🇺🇸 US | 4-GaugeSwitch To Starter | View on Amazon |
| UNITED MOTOR PRODUCTS | 4219N | 🇺🇸 US | 19" Length4-Gauge | 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.
7 Battery Cable parts for the 1966 MG MGB come from 3 brands — STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and ACDELCO. The "Popular" part is STANDARD MOTOR PRODUCTS 7154C.
Listed part numbers: STANDARD MOTOR PRODUCTS 7154C, STANDARD MOTOR PRODUCTS A164 and ACDELCO 4BC16, plus the other parts above.
Horn
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | HN17T | 🇺🇸 US | T-SeriesUniversal | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | HN18 | 🇺🇸 US | High Output Low Tone | View on Amazon |
| ACDELCO | E1905E | 🇺🇸 US 🇨🇦 CA | Gold2 Pin Connection | View on Amazon |
| STANDARD MOTOR PRODUCTS | HN15 | 🇺🇸 US | High ToneUniversal | View on Amazon |
| STANDARD MOTOR PRODUCTS | HN16T | 🇺🇸 US | T-SeriesUniversal | View on Amazon |
| STANDARD MOTOR PRODUCTS | HN16 | 🇺🇸 US | Low ToneUniversal | View on Amazon |
This table covers the horns mounted in the front of the vehicle.
6 Horn parts are listed for the 1966 MG MGB, from STANDARD MOTOR PRODUCTS and ACDELCO. STANDARD MOTOR PRODUCTS HN17T carries the "Popular" badge.
This group includes STANDARD MOTOR PRODUCTS HN17T, STANDARD MOTOR PRODUCTS HN18 and ACDELCO E1905E and the remaining parts above.
Starter Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | SR193X | 🇺🇸 US | Remanufactured | View on Amazon |
| REMY | 16132 | 🇺🇸 US | Remanufactured | View on Amazon |
| TERREPOWER | 16132 | 🇺🇸 US | Remanufactured | 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.
3 Starter Motor parts for the 1966 MG MGB come from 3 brands — BOSCH, REMY and TERREPOWER.
This group includes BOSCH SR193X and REMY 16132 and the remaining parts above.
Buying Electrical Parts for a 1966 MG MGB
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 1.8L 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, 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 Cable .
Frequently Asked Questions
How many electrical parts fit the 1966 MG MGB?
Our catalog currently lists 28 electrical parts for the 1966 MG MGB across 5 subcategories and 15 brands, covering the 1.8L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 1966 MG MGB?
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 1966 MG MGB 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 1966 MG MGB?
Every part on this page is matched to the 1.8L 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 1966 MG MGB
Electrical Parts for Other MG MGB 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.