1974 MG MGB 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

8 Alternator / Generator parts are listed for the 1974 MG MGB, from ÜRO PARTS, REMY, TERREPOWER and 2 other brands. ÜRO PARTS AL050 carries the "Popular" badge.

In the New grade, ÜRO PARTS and WAI GLOBAL supply 2 parts: brand-new units rather than rebuilt ones. A representative part number is ÜRO PARTS AL050.

In the Remanufactured grade, REMY, TERREPOWER and PURE ENERGY supply 5 parts: factory-rebuilt units with new wear components. A representative part number is PURE ENERGY 14050.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Listed part numbers: ÜRO PARTS AL050, WAI GLOBAL 14050N and PURE ENERGY 14050, plus the other parts 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

2 Alternator / Generator End Bearing parts for the 1974 MG MGB come from 2 brands — SCHAEFFLER and SKF. Every part fits both the 1.8L L4 and the 3.5L V8.

Part numbers include SCHAEFFLER 6202 and SKF 6202J.

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

12 Battery Cable parts are listed for the 1974 MG MGB, from STANDARD MOTOR PRODUCTS, DEKA and UNITED MOTOR PRODUCTS. DEKA 00802 carries the "Popular" badge.

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

2 Battery Terminal parts for the 1974 MG MGB come from DEKA.

Part numbers include DEKA 00350 and DEKA 01056.

This table covers the horns mounted in the front of the vehicle. Read more

19 Horn parts for the 1974 MG MGB come from 3 brands — FIAMM, STANDARD MOTOR PRODUCTS and ACDELCO. The "Popular" part is FIAMM 7210223. 18 parts fit every engine; the other 1 is engine-specific.

The Accessory Replacement section lists 7 options from FIAMM — grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. FIAMM 7210223 is listed in this group.

In the Standard Replacement grade, FIAMM, STANDARD MOTOR PRODUCTS and ACDELCO supply 12 parts: built to original-equipment specification. A representative part number is FIAMM 7201223.

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

7 Starter Motor parts are listed for the 1974 MG MGB, from BOSCH, WAI GLOBAL, PURE ENERGY and 3 other brands. PURE ENERGY 16164 carries the "Popular" badge.

New: 1 part, from WAI GLOBAL. A representative part number is WAI GLOBAL 16164N.

Remanufactured: 5 parts, from PURE ENERGY, REMY, BOSCH and 2 other brands. A representative part number is PURE ENERGY 16164.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Part numbers include PURE ENERGY 16164 and WAI GLOBAL 16164N, 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

One part is listed for the 1974 MG MGB — WELLS 1M1045.