A4243 12V 145A Alternator Fits Chevrolet Tahoe, Hummer H2, Hummer H3
£160.00 – £256.00Price range: £160.00 through £256.00
Sahibs A4243 is a replacement alternator with a listed 12V 145A rating. Listed applications include selected Chevrolet Tahoe, Hummer H2, Hummer H3, Saab 9-7X models. Identification references include Lucas LRA04243, Bosch 1986A01738, Delco Remy 10464405. Its listed 12V 145A rating provides an electrical matching point for your existing unit. Check the 6-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 A4243 replacement alternator online from Sahibs Auto Electrics for UK delivery or Click & Collect.
Product Specification
| Description | Value |
|---|---|
| AMP | 145 A |
| Volt | 12 V |
| No. of Grooves | 6 qty |
| Pulley Diameter | 57 mm |
| Mounting holes | 2 qty |
| Position | 60° |
| B+ | M6 |
| Insulated Return | No |
| Water cooled | No |
| Vacuum pump | No |
| Start/Stop | No |
| Weight | 6.8 Kg |
Cross Reference
| Reference Number | Brand |
|---|---|
| DYA4243 | Dyno Electrics |
| 0986CN0649 | Bosch Exchange |
| 0986CR0649 | Bosch Exchange |
| 0986CR0676 | Bosch Exchange |
| 0986CR0746 | Bosch Exchange |
| 0986UN0128 | Bosch Exchange |
| 0986UN0649 | Bosch Exchange |
| 0986UR0649 | Bosch Exchange |
| 0986UR0676 | Bosch Exchange |
| 10464405 | Delco Remy |
| 10464443 | Delco Remy |
| 10464453 | Delco Remy |
| 10464456 | Delco Remy |
| 10464476 | Delco Remy |
| 10480234 | Delco Remy |
| 10480234W | Delco Remy |
| 10480390 | Delco Remy |
| 10754097 | Delco Remy |
| 112853 | HC-Cargo |
| 113777 | HC-Cargo |
| 1241921DR | WAI |
| 15200109 | Delco Remy |
| 15226003 | Saab |
| 15263859 | General Motors |
| 15750871 | Delco Remy |
| 15750871A | Delco Remy |
| 15754097 | Delco Remy |
| 15754097A | Delco Remy |
| 15754097M | Delco Remy |
| 15754097W | Delco Remy |
| 15768830 | Delco Remy |
| 15847291 | Delco Remy |
| 18000002 | Delco Remy |
| 19151921 | General Motors |
| 19244745 | Delco Remy |
| 19244746 | Delco Remy |
| 19244751 | General Motors |
| 1986A01738 | Bosch |
| 1986A01874 | Bosch |
| 1986A01890 | Bosch |
| 22054 | Delphi |
| 22781130 | Delco Remy |
| 3342481 | Delco Remy |
| 6019239 | AM General |
| 8104644760 | Isuzu |
| 8152260030 | Isuzu |
| 8237N | WAI |
| 8292N | WAI |
| 8292N253A | WAI |
| 8292NDR | WAI |
| 8292NDR220A | WAI |
| 8292NDRC | WAI |
| 8292R | WAI |
| 8292R253A | WAI |
| 8292RDR220A | WAI |
| 8292RDRC | WAI |
| 835554145 | PSH |
| 90014385 | Wilson |
| 90014523 | Wilson |
| 91653 | Delphi |
| A1013R | Prestolite |
| A1549 | Dixie |
| A1549N | Dixie |
| A1645 | Dixie |
| A1706 | Dixie |
| AL4040N | Bosch (USA) |
| AL8515X | Bosch (USA) |
| AL8731N | Bosch (USA) |
| AL8731X | Bosch (USA) |
| AL8792X | Bosch (USA) |
| ALT1500 | Unipoint |
| ALT1511 | Unipoint |
| ALT40071 | Wood Auto |
| ALT40131 | Wood Auto |
| ALT40216 | Wood Auto |
| F032112853 | HC-Cargo |
| F032113777 | HC-Cargo |
| F042205014 | Bosch |
| F042300174 | Bosch |
| F042300177 | Bosch |
| F042300181 | Bosch |
| LEA0995 | Lucas |
| LRA04243 | Lucas |
| LRA4243 | Lucas |
| RNL10464405 | RNL |
| WOOALT40071 | Wood Auto |
| WOOALT40131 | Wood Auto |
| WOOALT40216 | Wood Auto |
| WURT5B801726 | Würtemberg |
| WURT5B801728 | Würtemberg |
Vehicle Applications
| Brand | Model | Engine | Engine Code | Series | Model Type | Type | Year |
|---|---|---|---|---|---|---|---|
| CHEVROLET | Tahoe | 4.8 (4811ccm) Petrol | LR4 | AWD | CK | 2000 - 2006 | |
| CHEVROLET | Tahoe | 5.3 (5328ccm) Petrol | L59 | AWD | CK | 1999 - 2006 | |
| CHEVROLET | Tahoe | 5.3 (5328ccm) Petrol | L59/LM7 | CC | 1999 - 2006 | ||
| CHEVROLET | Tahoe | 5.3 (5328ccm) Petrol | L59/LM7 | AWD | CK | 2003 - 2006 | |
| CHEVROLET | Tahoe | 5.3 (5328ccm) Petrol | L59 | CC | 2004 - 2006 | ||
| HUMMER | H2 | 6.0 (5967ccm) Petrol | LQ4(364CUV8) | AWD Crew Cab Pickup | N25736 | 2004 - 2007 | |
| HUMMER | H3 | 3.5 (3460ccm) Petrol | L52 | AWD | DN1 | 2005 - 2010 | |
| SAAB | 9-7X | 5.3 (5328ccm) Petrol | LH6(325CUV8) | T | 2004 - 2012 |
Description
A4243 Replacement Alternator
Choose a replacement by comparing the A4243 alternator and its Lucas reference, LRA04243, with your existing unit. The listed electrical rating is 12V 145A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected Chevrolet Tahoe 4.8 Petrol variants.
Key Features and Benefits
- 12V electrical system: match the vehicle voltage before selecting a unit.
- 145A output: compare the listed rating with the original alternator.
- 6-groove pulley: check belt profile and alignment against the existing unit.
- 2 mounting holes: compare the fixing pattern and unit position.
- M6 B+ terminal: check the connection against the original unit.
Compatible Vehicles and Applications
- Chevrolet Tahoe 4.8 Petrol – selected applications 2000–2006 (engine code LR4).
- Hummer H2 6.0 Petrol – selected applications 2004–2007 (engine code LQ4(364CUV8)).
- Hummer H3 3.5 Petrol – selected applications 2005–2010 (engine code L52).
- Saab 9-7X 5.3 Petrol – selected applications 2004–2012 (engine code LH6(325CUV8)).
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 A4243. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.
0986CN0649, 0986CR0649, 0986CR0676, 0986CR0746, 0986UN0128, 0986UN0649, 0986UR0649, 0986UR0676, 1986A01738, 1986A01874, 1986A01890, F042205014, F042300174, F042300177, F042300181, LRA04243, LEA0995, LRA4243, 10464405, 10464443, 10464453, 10464456, 10464476, 10480234, 10480234W, 10480390, 10754097, 15200109, 15750871, 15750871A, 15754097, 15754097A, 15754097M, 15754097W, 15768830, 15847291, 18000002, 19244745, 19244746, 22781130, 3342481, A1013R
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 A4243 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 A4243 fit my Chevrolet Tahoe?
Chevrolet Tahoe 4.8 Petrol (2000–2006) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.
Does A4243 replace Lucas LRA04243?
Lucas LRA04243 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 A4243?
The listed details include 12V, 145A output, 6 pulley grooves. Compare the complete specifications on this page with the unit being replaced.
Is A4243 new or remanufactured?
Check the current product condition selection for A4243. Confirm the supplier and availability of the option you want before completing the order.
What should I compare before ordering A4243?
Compare 12V compatibility, 145A 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.






