This page lists 13 electrical parts for the 1978 Lotus Esprit, across 5 part types, covering the 2.0L L4 engine. Every part shows its brand, manufacturer part number and fitment notes.
The electrical system on the 1978 Lotus Esprit covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. The largest groups are Alternator / Generator (4 parts), Battery Cable (4 parts) and Battery Terminal (2 parts). The other 2 part types cover the remaining 3 parts.
Every part on this page is matched to the 2.0L L4 — the only engine offered in the 1978 Lotus Esprit.
The most listed brands for 1978 Lotus Esprit electrical parts are DEKA (6 parts), REMY (2 parts) and TERREPOWER (2 parts), plus 3 more brands. Quality grades include Remanufactured and New.
Each part number listed for the 1978 Lotus Esprit opens a page with every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL | 14037N | 🇺🇸 US | Lucas IR/EF43 Amps | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | AL300X | 🇺🇸 US | RemanufacturedDoes Not Include Pulley | View on Amazon |
| REMY | 14037 | 🇺🇸 US | Premium RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER | 14037 | 🇺🇸 US | RemanufacturedDoes Not Include Pulley | 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.
4 Alternator / Generator parts are listed for the 1978 Lotus Esprit, from WAI GLOBAL, BOSCH, REMY and 1 other brand.
In the New grade, WAI GLOBAL supplies 1 part: brand-new units rather than rebuilt ones. A representative part number is WAI GLOBAL 14037N.
In the Remanufactured grade, BOSCH, REMY and TERREPOWER supply 3 parts: factory-rebuilt units with new wear components. A representative part number is BOSCH AL300X.
Part numbers include WAI GLOBAL 14037N, BOSCH AL300X and REMY 14037, among others listed above.
Battery Cable
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA | 00297 | 🇺🇸 US | Red4 Gauge | View on Amazon |
| DEKA | 00298 | 🇺🇸 US | Red4 Gauge | View on Amazon |
| DEKA | 00808 | 🇺🇸 US | Black4 Gauge | View on Amazon |
| DEKA | 00809 | 🇺🇸 US | Black4 Gauge | 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.
DEKA supplies the 4 Battery Cable parts for the 1978 Lotus Esprit.
This group includes DEKA 00297, DEKA 00298 and DEKA 00808 and the remaining parts above.
Battery Terminal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA | 00350 | 🇺🇸 US | Top Post Terminal | View on Amazon |
| DEKA | 01056 | 🇺🇸 US | Top Post Terminal Lead Free | View on Amazon |
This table covers the terminals and clamps that connect cables to the battery posts.
2 Battery Terminal parts for the 1978 Lotus Esprit come from DEKA.
Part numbers include DEKA 00350 and DEKA 01056.
Starter Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REMY | 16376 | 🇺🇸 US | Remanufactured | View on Amazon |
| TERREPOWER | 16284 | 🇺🇸 US | Remanufactured | View on Amazon |
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.
2 Starter Motor parts are listed for the 1978 Lotus Esprit, from REMY and TERREPOWER.
This group includes REMY 16376 and TERREPOWER 16284.
Starter Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1M1045 | 🇺🇸 US | View on Amazon |
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.
One part is listed for the 1978 Lotus Esprit — WELLS 1M1045.
Buying Electrical Parts for a 1978 Lotus Esprit
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 2.0L 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, 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: Alternator / Generator and Battery Cable .
Frequently Asked Questions
How many electrical parts fit the 1978 Lotus Esprit?
Our catalog currently lists 13 electrical parts for the 1978 Lotus Esprit across 5 subcategories and 6 brands, covering the 2.0L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 1978 Lotus Esprit?
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 1978 Lotus Esprit 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 1978 Lotus Esprit?
Every part on this page is matched to the 2.0L L4 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 1978 Lotus Esprit
Electrical Parts for Other Lotus Esprit Years
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