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Type :
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Altemator
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Specification :
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12V 180A
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Pulley :
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6pk
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Brand :
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nuojin
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Number :
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LR072764
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Quality :
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NEW
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Delivery time :
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10 day
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Overview of the LR076696 Alternator
For range rover owners chasing a battery light or a slowly flattening battery, the LR076696 is a 12V, 180A alternator supplied as a complete unit with its regulator and rectifier already fitted.
Heat is the main enemy. The alternator sits in the airflow but also next to the exhaust manifold, and the diodes and regulator are the first parts to suffer when the under-bonnet temperature climbs.
Specification Summary
- Rated voltage: 12V
- Rated output: 180 A
- Pulley: 6-groove PK
- Regulator: integrated, machine sensed
- Application: range rover
- Net weight: approximately 7.25 kg
- Condition: new, direct replacement for the original unit
The 12V, 180A rating is the output the unit holds at normal engine speed with the battery in a partially discharged state — the condition that matters in real use, not on a test bench.
Reference Numbers and Cross References
The alternator is supplied against the following references, which help identify it against the unit already fitted to the vehicle:
- LR076696
- LR034014
- LR054993
- DRA1577
- CPLA10300AB
- 1042106481
- CPLA10300BD
- CPLA10300BE
- LR0549
- CPLA10300AC
- LR034013
- LR072764
- LR054994
- LR077395
- LR070088
Several numbers in this list refer to the complete assembly while others cover the bare machine. A photograph of the rear cover protects against the most common ordering error. This unit is listed with 15 references in total.
Fitment and Application
This alternator family was fitted across a range of range applications as engines and electrical loads were revised. The unit here covers the references above and is a direct replacement where those numbers match.
If the number on the old alternator falls outside the list above, send the engine code and a photograph of the rear cover before ordering. A unit with the right housing but a different regulator plug will not connect cleanly.
What Wears Out First
Bearings carry the rotor at engine speed for the life of the vehicle. Once the front bearing dries out, the unit starts to whine, and the noise gets worse with electrical load rather than with engine speed alone.
The diode rectifier is usually the first casualty. Six diodes convert the AC output to DC, and when one fails the alternator still charges but with a ripple that upsets the battery and the vehicle electronics.
Fault Symptoms
- Battery light on with the engine running
- Dim or pulsing interior lights
- Voltage at the battery below 13.5V with the engine idling
- Belt squeal that appears when a heavy load switches on
- Overheating alternator body after a short run
Check the belt first, then the battery earth, then the B+ cable. A slipping belt or a corroded earth produces the same dim-light symptom as a failing alternator and costs far less to fix.
Pre-Fit Checklist
- Battery state of charge and age
- Condition of the B+ cable and its fuse
- Pulley type: solid, clutch or overrunning
- Mounting ear dimensions against the bracket
- Belt routing after the new unit is fitted
A new alternator on a tired battery or a glazed belt will not restore charging. Test the simple items before the unit goes on.
Fitting Guidance
Disconnect the battery negative terminal first, then release the belt tension and slip the belt off the pulley. Remove the B+ cable and the regulator plug before the mounting bolts.
Fit the replacement, reconnect the plug and B+ cable, then refit the belt and set tension to specification. Start the engine and confirm charging voltage at idle before the first drive.
Quality Control and Supply from Hejian Nuojin Auto Parts Co., Ltd.
Hejian Nuojin Auto Parts Co., Ltd. produces starter and alternator components for the aftermarket. Each alternator is tested for output at idle and rated speed, ripple current, regulator voltage and bearing noise before packing.
Common references are held in stock, volume orders ship in around 30 days and every unit carries a one-year warranty against manufacturing defects.
Frequently Asked Questions
Can a bad alternator damage the battery?
Overcharging or heavy ripple will shorten battery life, and a deeply discharged battery can fail. Replace the alternator before the battery if voltage is out of range.
Why does the battery light glow at idle?
Usually a worn regulator, a slipping belt or a diode fault. Check belt tension and charging voltage before replacing the unit.
Can I replace the regulator only?
Yes, when the bearings and diodes are sound. On a high-mileage unit the complete alternator is usually better value.
Does the alternator come with a pulley?
Yes, the unit is supplied with its pulley fitted as shown in the photographs, so the original belt can be reused.
The installation method of the Range Rover 12V generator is as follows:
Park the vehicle in a safe place, pull the handbrake, open the hood, and disconnect the negative cable of the car battery to prevent short circuits or electric shock accidents during installation.
Locate the drive belt tensioner. If there is a recessed square in the center of the tensioner, use a 1/2-inch drive pry bar to turn the tensioner toward the center of the engine, then slide the drive belt under the tensioner and carefully release the tensioner. For other models, the tensioner may be equipped with adjusting bolts and pivot bolts; use a wrench or ratchet wrench to loosen the bolts to release the belt tension.
Slide the generator belt off the generator pulley while ensuring the belt remains properly installed on the pulleys of other accessories on the engine.
Use a wrench or ratchet wrench with a socket to remove the two mounting bolts that secure the generator. Move the generator a short distance away from the engine to disconnect the electrical connectors and wires, then remove the old generator from the engine.
Place the new generator in the original position, insert the electrical connectors and install the wires. Fit the two mounting bolts and use a torque wrench to tighten them to 18 foot-pounds.
Slide the belt onto the generator pulley. Depending on the vehicle's belt tensioning system, operate in one of the following ways:
Use a pry bar to turn the tensioner, slide the belt over the idler pulley, then carefully release the tensioner.
Adjust the pulley locking and adjusting bolts.
Use a pry bar to push the generator away from the engine to provide the necessary tension for the drive belt, then tighten the generator mounting bolts.
Double-check to ensure the belt is properly seated on the pulley teeth.
Attach the black negative battery cable to the battery.
Start the vehicle, check if the battery warning light on the instrument panel turns off. At the same time, use a multimeter to measure the voltage across the battery; the voltage should be between 13.5V-14.5V when the engine is running.
Disconnect the battery negative terminal throughout the installation process. Live operation is strictly prohibited to avoid short circuit or electric shock risks.
Park the vehicle on a level surface, pull the handbrake tightly and secure the wheels to prevent the vehicle from sliding during operation.
Wear insulated gloves, protective goggles, and heat-resistant gloves during operation. Components in the engine compartment have high temperatures, so beware of scalds.
During disassembly and installation, avoid tools touching precision electronic components and oil pipes to prevent damage or leakage.
Tighten the generator mounting bolts to the specified torque (18 foot-pounds) to avoid loosening or component deformation caused by vibration.
Ensure accurate alignment of electrical connections. Plugs must be fully inserted and locked to prevent poor contact, overheating, or circuit failures.
Adjust the drive belt tension appropriately to ensure no slipping or abnormal noise during operation. Avoid excessive tightness that wears bearings or insufficient tightness that affects power generation efficiency.
Precisely align the generator installation position to ensure the pulley is coplanar with other drive pulleys, preventing uneven belt wear.
Handle the generator gently during transportation to avoid colliding with core components such as terminals and pulleys, preventing damage to internal coils or mechanical structures.
Inspect plugs, wire harness insulation layers, and terminals before connecting circuits. Repair or replace damaged or oxidized parts promptly to eliminate short circuit hazards.
Clean the generator mounting surface and bolt threads before installation, and apply a small amount of anti-rust agent to ensure a tight fit and easy subsequent disassembly.
Check the drive belt condition before installation. Replace it if there are cracks or wear to avoid breakage during use.
After installation, start the vehicle, confirm the battery warning light turns off normally, the voltage output is between 13.5V-14.5V, and there are no abnormal noises or overheating.
Record the installation date, bolt torque, and test data to facilitate subsequent troubleshooting.
It is recommended to check belt wear, bolt tightness, and circuit connection status every 6 months, and conduct a generator performance test annually.
If abnormal power generation occurs after installation, first check the belt tension and electrical connections, and eliminate basic faults before conducting complex troubleshooting.
References：The "passage" you referred to is about the installation precautions for the Range Rover 12V generator. Based on the information you provided earlier and current search results, this content is mainly derived from the Qiche Dashi (Car Master) platform.
Qiche Dashi is a leading paid automotive Q&A and auto repair technician crowdsourcing platform in China. More than 250,000 auto repair technicians have obtained flexible work and income opportunities on this platform, and it has accumulated over 230 million Q&A services for car owners.
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