A1178 12V 70A Alternator Fits Perkins Marine 4.107
£136.00 – £217.60Price range: £136.00 through £217.60
Sahibs A1178 is a replacement alternator with a listed 12V 70A rating. Listed applications include selected Perkins Marine 4.107, Perkins Marine 4.108, Perkins Marine 4.108VA, Perkins Marine 6.354-4 models. Identification references include Lucas LRA01178, Valeo 2927440, Perkins 2871A145. Its listed 12V 70A rating provides an electrical matching point for your existing unit. Check the single-groove pulley, connections and mounting arrangement. Check the current condition options and availability before purchase. Match the exact engine and production details before ordering. Buy your A1178 replacement alternator online from Sahibs Auto Electrics for UK delivery or Click & Collect.
Product Specification
| Description | Value |
|---|---|
| AMP | 70 A |
| Volt | 12 V |
| No. of Grooves | 1 qty |
| Pulley Diameter | 80 mm |
| Mounting holes | 3 qty |
| B+ | M6 |
| Insulated Return | No |
| Water cooled | No |
| Vacuum pump | No |
| Start/Stop | No |
| Weight | 5.01 Kg |
Cross Reference
| Reference Number | Brand |
|---|---|
| DYA1178 | Dyno Electrics |
| 112112 | HC-Cargo |
| 2871A145 | Perkins |
| 2927440 | Valeo |
| 47020055 | Lucas |
| 47020057 | Lucas |
| 47020059 | Lucas |
| 47020065 | Lucas |
| 47020067 | Lucas |
| 47020068 | Lucas |
| 47020084 | Lucas |
| 47020086 | Lucas |
| 47020088 | Lucas |
| 47020089 | Lucas |
| 510822 | Valeo |
| 510823 | Valeo |
| 57020057 | Perkins |
| 595033080 | PSH |
| 90059174 | Wilson |
| 9AR2734P | Motorola |
| 9AR2744P | Motorola |
| 9AR2746P | Motorola |
| 9AR2747P | Motorola |
| 9AR2854P | Motorola |
| ALT16069 | Wood Auto |
| CA1201IR | HC-Parts |
| F032112112 | HC-Cargo |
| LEA0437 | Lucas |
| LRA01178 | Lucas |
| LRA1178 | Lucas |
| LRA604M | Lucas |
| PRE47020067 | Wood Auto |
| RNL604M | RNL |
| WOOALT16069 | Wood Auto |
Alternative Parts
| Alternative Part | Current Description | Alternative Description | Direct Alternative |
|---|---|---|---|
| A3923 | 70A Without pulley | 90A Pulley 1GR/Ø80 | No |
Vehicle Applications
| Brand | Model | Engine | Engine Code | Series | Model Type | Type | Year |
|---|---|---|---|---|---|---|---|
| PERKINS MARINE | 4.107 | 0ccm Diesel | 4.107 | ||||
| PERKINS MARINE | 4.108 | 1759ccm Diesel | 4.108 | 1982 - 1990 | |||
| PERKINS MARINE | 4.108VA | 1759ccm Diesel | 4.108VA | ||||
| PERKINS MARINE | 6.354-4 | 0ccm Diesel | 6.354-4 | 1982 - 1989 |
Description
A1178 Replacement Alternator
For a A1178 alternator enquiry, use Lucas reference LRA01178 alongside the vehicle and original unit details. The listed electrical rating is 12V 70A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected Perkins Marine 4.107 variants.
Key Features and Benefits
- 12V electrical system: match the vehicle voltage before selecting a unit.
- 70A output: compare the listed rating with the original alternator.
- Single-groove pulley: check belt profile and alignment against the existing unit.
- 3 mounting holes: compare the fixing pattern and unit position.
- M6 B+ terminal: check the connection against the original unit.
Compatible Vehicles and Applications
- Perkins Marine 4.107 (engine code 4.107).
- Perkins Marine 4.108 1759ccm Diesel – selected applications 1982–1990 (engine code 4.108).
- Perkins Marine 4.108VA 1759ccm Diesel (engine code 4.108VA).
- Perkins Marine 6.354-4 – selected applications 1982–1989 (engine code 6.354-4).
These are selected applications, not the complete fitment list. Check the detailed vehicle compatibility table, engine code and production year, then compare the original unit before ordering.
OE Numbers and Cross-Reference Information
The following cross-reference numbers are associated with A1178. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.
2927440, 510822, 510823, LRA01178, 47020055, 47020057, 47020059, 47020065, 47020067, 47020068, 47020084, 47020086, 47020088, 47020089, LEA0437, LRA1178, LRA604M, 2871A145, 57020057
The full manufacturer cross-reference and OE listings are available elsewhere on this page. Confirm whether a number is an OE or aftermarket reference when comparing the original unit.
When Should You Replace Your Alternator?
Charging warning lights, repeated loss of battery charge, dim or fluctuating lights and inconsistent electrical operation can indicate a charging-system problem. Battery condition, wiring and the drive belt can produce similar symptoms; arrange a diagnostic check before replacing the alternator.
Why Buy from Sahibs Auto Electrics?
Sahibs Auto Electrics is a UK automotive electrical parts specialist supplying alternators and starter motors. Ask for help identifying A1178 using the existing part number and vehicle details. Check the current condition options and availability before purchase. Buy online for UK delivery or Click & Collect, checking the current order arrangements.
Frequently Asked Questions
Will A1178 fit my Perkins Marine 4.107?
Perkins Marine 4.107 is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.
Does A1178 replace Lucas LRA01178?
Lucas LRA01178 is a listed identification reference. Compare it with the original unit and specifications; a cross-reference does not guarantee compatibility by itself.
What specifications are listed for A1178?
The listed details include 12V, 70A output, 1 pulley groove. Compare the complete specifications on this page with the unit being replaced.
Is A1178 new or remanufactured?
Check the current product condition selection for A1178. Confirm the supplier and availability of the option you want before completing the order.
What should I compare before ordering A1178?
Compare 12V compatibility, 70A output, pulley configuration, mounting points and electrical connections with the original alternator.
Does a battery warning light prove the alternator has failed?
No. Battery, belt, wiring and control faults can also affect charging. Use a charging-system test to establish the cause before ordering a replacement.






