10 Electrical switch & relay parts are listed for the 1974 Triumph Spitfire, in 3 part types, covering the 1.5L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1974 Triumph Spitfire, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. All 10 listed parts are Brake Light Switch (4 parts), Oil Pressure Sender / Switch (4 parts) and Fuel Pump Cutoff Switch (2 parts).
Every part on this page is matched to the 1.5L L4 — the only engine offered in the 1974 Triumph Spitfire.
The most listed brands for 1974 Triumph Spitfire electrical switch & relay parts are ROSTRA (3 parts), STANDARD MOTOR PRODUCTS (3 parts) and BECK/ARNLEY (1 part), plus 3 more brands. Quality grades include Standard Replacement and Economy.
Each part number listed for the 1974 Triumph Spitfire opens a page with every vehicle that part fits.
Brake Light Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 2010114 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA | 620153 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | SLS185 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S6955 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the pedal-mounted switch that turns on the brake lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
4 Brake Light Switch parts for the 1974 Triumph Spitfire come from 4 brands — BECK/ARNLEY, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand.
Part numbers include BECK/ARNLEY 2010114, ROSTRA 620153 and STANDARD MOTOR PRODUCTS SLS185, among others listed above.
Fuel Pump Cutoff Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | D1876D | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| STANDARD MOTOR PRODUCTS | FV7 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Fuel Pump Cutoff switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
2 Fuel Pump Cutoff Switch parts for the 1974 Triumph Spitfire come from 2 brands — ACDELCO and STANDARD MOTOR PRODUCTS.
Listed part numbers: ACDELCO D1876D and STANDARD MOTOR PRODUCTS FV7.
Oil Pressure Sender / Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND | SAA4624 | 🇺🇸 US 🇨🇦 CA | Oil Pressure Sender or Switch3 blade terminal | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 501419 | 🇺🇸 US 🇨🇦 CA | with Light | View on Amazon |
| ROSTRA | 501416 | 🇺🇸 US 🇨🇦 CA | with 3 Blade Terminals | View on Amazon |
| STANDARD MOTOR PRODUCTS | PS64 | 🇺🇸 US 🇨🇦 CA | with Light | View on Amazon |
This table covers the senders and switches that report oil pressure to the gauge or lamp. Typical signs include a lamp that stays on, or a gauge that never moves. Confirm power and ground at the connector before replacing the sender or switch.
4 Oil Pressure Sender / Switch parts for the 1974 Triumph Spitfire come from 3 brands — ROSTRA, FAMOUS BRAND and STANDARD MOTOR PRODUCTS.
The Economy section lists 1 option from FAMOUS BRAND — the catalog's value-priced group. FAMOUS BRAND SAA4624 is listed in this group.
In the Standard Replacement grade, ROSTRA and STANDARD MOTOR PRODUCTS supply 3 parts: built to original-equipment specification. A representative part number is ROSTRA 501419.
Listed part numbers: FAMOUS BRAND SAA4624, ROSTRA 501419 and ROSTRA 501416, plus the other parts above.
Buying Electrical Switch & Relay Parts for a 1974 Triumph Spitfire
On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
- Confirm you have the 1.5L 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, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Brake Light Switch and Oil Pressure Sender / Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 1974 Triumph Spitfire?
Our catalog currently lists 10 electrical switch & relay parts for the 1974 Triumph Spitfire across 3 subcategories and 6 brands, covering the 1.5L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 1974 Triumph Spitfire?
Common symptoms include accessories that work intermittently, a click without action, or one function dead while its fuse tests fine. 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, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
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 1974 Triumph Spitfire 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 1974 Triumph Spitfire?
Every part on this page is matched to the 1.5L L4 engine. Then swap a suspect relay with an identical known-good one from the fuse box before buying — it is the fastest diagnostic there is. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1974 Triumph Spitfire
Electrical Switch & Relay Parts for Other Triumph Spitfire 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.