This page lists 18 electrical parts for the 1971 Triumph Stag, across 5 part types, covering the 3.0L V8 engine. Every part shows its brand, manufacturer part number and fitment notes.
The electrical system on the 1971 Triumph Stag covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. The largest groups are Battery Cable (6 parts), Battery (5 parts) and Alternator / Generator End Bearing (3 parts). The other 2 part types cover the remaining 4 parts.
The 1971 Triumph Stag came with a single engine, the 3.0L V8, and every part is verified against it.
8 brands supply electrical parts for the 1971 Triumph Stag, led by DEKA (7 parts), FVP (3 parts) and STANDARD MOTOR PRODUCTS (3 parts), plus 5 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1971 Triumph Stag. 3 parts have it, including DEKA 9A78DT (Battery) and DEKA 00297 (Battery Cable). Each part number opens a page with 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 for the 1971 Triumph Stag come from 2 brands — FVP and PURE ENERGY.
Listed part numbers: FVP 15571, plus the other parts 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 are listed for the 1971 Triumph Stag, from WJB / INMOTION PARTS, BCA and NATIONAL.
In the Economy grade, WJB / INMOTION PARTS supplies 1 part: the catalog's value-priced group. A representative part number is WJB / INMOTION PARTS RB6203.
The Standard Replacement section lists 2 options from BCA and NATIONAL — built to original-equipment specification. BCA NB203 is listed in this group.
Part numbers include 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 are listed for the 1971 Triumph Stag, from DEKA, FVP and EXIDE. DEKA 9A78DT carries the "Popular" badge.
This group includes DEKA 9A78DT, DEKA 9A34 and EXIDE MX24 and the remaining parts above.
Battery Cable
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular | 00297 | 🇨🇦 CA | Red4 Gauge | View on Amazon |
| DEKA Popular | 00802 | 🇨🇦 CA | Black4 Gauge | View on Amazon |
| DEKA | 00801 | 🇨🇦 CA | Black4 Gauge | View on Amazon |
| STANDARD MOTOR PRODUCTS | A194L | 🇺🇸 US 🇨🇦 CA | NegativeEngine Ground To Frame | View on Amazon |
| STANDARD MOTOR PRODUCTS | A164T | 🇺🇸 US 🇨🇦 CA | NegativeBATTERY TO GROUND | View on Amazon |
| STANDARD MOTOR PRODUCTS | A676U | 🇺🇸 US 🇨🇦 CA | PositiveBATTERY TO SWITCH | 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.
6 Battery Cable parts for the 1971 Triumph Stag come from 2 brands — DEKA and STANDARD MOTOR PRODUCTS. The "Popular" part is DEKA 00297.
Listed part numbers: DEKA 00297, DEKA 00802 and DEKA 00801, plus the other parts above.
Battery Terminal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA | 00350 | 🇨🇦 CA | Top Post Terminal | View on Amazon |
| DEKA | 01056 | 🇨🇦 CA | Top Post Terminal Lead Free | View on Amazon |
This table covers the terminals and clamps that connect cables to the battery posts.
DEKA supplies both parts for the 1971 Triumph Stag.
This group includes DEKA 00350 and DEKA 01056.
Buying Electrical Parts for a 1971 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 Cable and Battery .
Frequently Asked Questions
How many electrical parts fit the 1971 Triumph Stag?
Our catalog currently lists 18 electrical parts for the 1971 Triumph Stag across 5 subcategories and 8 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 1971 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 1971 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 1971 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 1971 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.