15 Electrical switch & relay parts are listed for the 1979 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 1979 Triumph Spitfire, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. All 15 listed parts are Oil Pressure Sender / Switch (9 parts), Brake Light Switch (4 parts) and Fuel Pump Cutoff Switch (2 parts).
The 1979 Triumph Spitfire came with a single engine, the 1.5L L4, and every part is verified against it.
8 brands supply electrical switch & relay parts for the 1979 Triumph Spitfire, led by STANDARD MOTOR PRODUCTS (5 parts), BECK/ARNLEY (2 parts) and ROSTRA (2 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 1979 Triumph Spitfire. 2 parts have it, including STANDARD MOTOR PRODUCTS PS15T (Oil Pressure Sender / Switch) and ACDELCO C8020 (Oil Pressure Sender / Switch). Each part number 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 are listed for the 1979 Triumph Spitfire, from 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 are listed for the 1979 Triumph Spitfire, from 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 |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | PS15T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| HOLSTEIN | 2OPS0073 | 🇺🇸 US 🇨🇦 CA | with Federal Emissionswith Light | View on Amazon |
| UNITED MOTOR PRODUCTS | OPS4 | 🇺🇸 US 🇨🇦 CA | with Federal Emissions Systemwith Light | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | C8020 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| BECK/ARNLEY | 2010023 | 🇺🇸 US 🇨🇦 CA | Contains Light | View on Amazon |
| ROSTRA | 501419 | 🇺🇸 US 🇨🇦 CA | with Light | View on Amazon |
| STANDARD MOTOR PRODUCTS | PS15 | 🇺🇸 US 🇨🇦 CA | Finish: Brass | View on Amazon |
| STANDARD MOTOR PRODUCTS | PS64 | 🇺🇸 US 🇨🇦 CA | with Lightwith California Emissions System | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT | OS3537 | 🇺🇸 US 🇨🇦 CA | Combi Switch Function: Normally Closed | 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.
9 Oil Pressure Sender / Switch parts are listed for the 1979 Triumph Spitfire, from STANDARD MOTOR PRODUCTS, HOLSTEIN, UNITED MOTOR PRODUCTS and 4 other brands. STANDARD MOTOR PRODUCTS PS15T carries the "Popular" badge.
In the Economy grade, STANDARD MOTOR PRODUCTS, HOLSTEIN and UNITED MOTOR PRODUCTS supply 3 parts: the catalog's value-priced group. A representative part number is STANDARD MOTOR PRODUCTS PS15T.
The Standard Replacement section lists 5 options from STANDARD MOTOR PRODUCTS, ACDELCO, BECK/ARNLEY and 1 other brand — built to original-equipment specification. ACDELCO C8020 is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Listed part numbers: STANDARD MOTOR PRODUCTS PS15T, HOLSTEIN 2OPS0073 and UNITED MOTOR PRODUCTS OPS4, plus the other parts above.
Buying Electrical Switch & Relay Parts for a 1979 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: Oil Pressure Sender / Switch and Brake Light Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 1979 Triumph Spitfire?
Our catalog currently lists 15 electrical switch & relay parts for the 1979 Triumph Spitfire across 3 subcategories and 8 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 1979 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 1979 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 1979 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 1979 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.