The 1972 Triumph Stag has 10 electrical parts with verified fitment on this page — 3 part types and 7 brands, covering the 3.0L V8 engine. Each part includes a manufacturer part number and application notes.
The electrical system on the 1972 Triumph Stag covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. All 10 listed parts are Battery (5 parts), Alternator / Generator End Bearing (3 parts) and Alternator / Generator (2 parts).
Every part on this page is matched to the 3.0L V8 — the only engine offered in the 1972 Triumph Stag.
The most listed brands for 1972 Triumph Stag electrical parts are FVP (3 parts), DEKA (2 parts) and PURE ENERGY (1 part), plus 4 more brands. Quality grades include Standard Replacement and Economy.
1 part on this 1972 Triumph Stag page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — DEKA 9A78DT (Battery). Click any part number to see every vehicle that part fits.
Alternator / Generator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | 15571 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| PURE ENERGY | 15571 | 🇺🇸 US 🇨🇦 CA | Remanufactured | 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.
2 Alternator / Generator parts are listed for the 1972 Triumph Stag, from FVP and PURE ENERGY.
Part numbers include FVP 15571, among others listed above.
Alternator / Generator End Bearing
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | RB6203 | 🇺🇸 US 🇨🇦 CA | Open Designwith Lucas Alternator | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NB203 | 🇺🇸 US 🇨🇦 CA | 34 Ampswith Lucas Alternator # 16ACR | View on Amazon |
| NATIONAL | 203 | 🇺🇸 US 🇨🇦 CA | Open Designwith Lucas 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.
3 Alternator / Generator End Bearing parts for the 1972 Triumph Stag come from 3 brands — WJB / INMOTION PARTS, BCA and NATIONAL.
The Economy section lists 1 option from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS RB6203 is listed in this group.
In the Standard Replacement grade, BCA and NATIONAL supply 2 parts: built to original-equipment specification. A representative part number is BCA NB203.
Listed part numbers: WJB / INMOTION PARTS RB6203, BCA NB203 and NATIONAL 203.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular | 9A78DT | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| DEKA | 9A34 | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| EXIDE | MX24 | 🇺🇸 US 🇨🇦 CA | Marathon MaxBCI Group 24 | View on Amazon |
| FVP | P24AGM | 🇺🇸 US 🇨🇦 CA | Platinum AGMBCI Group: 24 | View on Amazon |
| FVP | P24RAGM | 🇺🇸 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.
5 Battery parts for the 1972 Triumph Stag come from 3 brands — DEKA, FVP and EXIDE. The "Popular" part is DEKA 9A78DT.
Part numbers include DEKA 9A78DT, DEKA 9A34 and EXIDE MX24, among others listed above.
Buying Electrical Parts for a 1972 Triumph Stag
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 3.0L V8 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 and Alternator / Generator End Bearing .
Frequently Asked Questions
How many electrical parts fit the 1972 Triumph Stag?
Our catalog currently lists 10 electrical parts for the 1972 Triumph Stag across 3 subcategories and 7 brands, covering the 3.0L V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 1972 Triumph Stag?
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 1972 Triumph Stag 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 1972 Triumph Stag?
Every part on this page is matched to the 3.0L V8 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 1972 Triumph Stag
Electrical Parts for Other Triumph Stag Years
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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.