Skip to content Skip to navigation menu

Your Selected Vehicle

Brands

Show More Show Less

Price

Parts for your 2016 Lexus Is-Alternator

Sort by
Bosch Alternator 12V 140A - 1986A00902

Bosch Alternator 12V 140A - 1986A00902

Confirm Vehicle
$696
Fitment Notes:
See More
OEX Alternator 12V 60A Denso Style - DXA449
OEX

OEX Alternator 12V 60A Denso Style - DXA449

Confirm Vehicle
$438
Fitment Notes:
See More

Explore 4WD & Adventure

OEX Alternator 12V 90A Denso Style - DXA488
OEX

OEX Alternator 12V 90A Denso Style - DXA488

Confirm Vehicle
$358
Fitment Notes:
See More
OEX Alternator 12V 150A Mitsubishi Style
OEX

OEX Alternator 12V 150A Mitsubishi Style

Confirm Vehicle
$890
Fitment Notes:
See More
OEX Alternator 12V 160A Denso Style
OEX

OEX Alternator 12V 160A Denso Style

Confirm Vehicle
$910
Fitment Notes:
See More
Valeo Alternator 12V 180A - 439601

Valeo Alternator 12V 180A - 439601

Confirm Vehicle
$1,428
Fitment Notes:
See More
OEX Alternator 12V 50A Denso Style - DXA418
OEX

OEX Alternator 12V 50A Denso Style - DXA418

Confirm Vehicle
$426
Fitment Notes:
See More
OEX Alternator 12V 95A Bosch Style - BXA005
OEX

OEX Alternator 12V 95A Bosch Style - BXA005

Confirm Vehicle
$468
Fitment Notes:
See More
OEX Alternator 12V 70A Denso Style - DXA445
OEX

OEX Alternator 12V 70A Denso Style - DXA445

Confirm Vehicle
$460
Fitment Notes:
See More
OEX Alternator 12V 85A Lucas Style - LXA834
OEX

OEX Alternator 12V 85A Lucas Style - LXA834

Confirm Vehicle
$532
Fitment Notes:
See More
Denso Alternator 12V 85A - DXA4078

Denso Alternator 12V 85A - DXA4078

Confirm Vehicle
$903
Fitment Notes:
See More
OEX Alternator 12V 80A Denso Style - DXA556
OEX

OEX Alternator 12V 80A Denso Style - DXA556

Confirm Vehicle
$822
Fitment Notes:
See More
Showing 118 - 156 of 3044 products

Understanding the Alternator in the 2016 Lexus IS: Maintenance and Replacement Tips

The 2016 Lexus IS, like most conventional petrol-powered vehicles, comes fitted with an alternator. This essential component plays a crucial role in the vehicle's electrical system, keeping everything powered while the engine is running. If you're cruising around Australia in your Lexus IS, understanding how the alternator works and how to look after it can save you from unexpected battery troubles and keep your daily drives smooth and hassle-free.

The alternator's primary purpose is to generate electricity while the engine is running. It converts mechanical energy from the engine's crankshaft into electrical energy, which powers the car's electrical systems - think headlights, infotainment, air conditioning, and your dashboard instruments. It also charges the car's 12-volt battery, ensuring there's always enough juice to start the engine when you need it. Without a functioning alternator, the battery would quickly drain, leading to a flat battery and potentially leaving you stranded.

The alternator in the 2016 Lexus IS is belt-driven, meaning it's connected to the engine via a serpentine belt. As the engine spins, it turns the alternator pulley, which then converts that movement into electricity. Given the alternator is key to maintaining a stable power supply for electronic components and keeping the battery charged, it's a vital part of the car's overall health and reliability.

Maintaining the alternator doesn't require a complicated routine, but it definitely deserves some attention during regular servicing. Here are some handy tips on keeping your Lexus IS's alternator in tip-top shape:

  • Check the serpentine belt regularly. Since the alternator relies on this belt for operation, any wear or damage to the belt can affect alternator performance. If the belt is cracked, frayed, or squealing, it's time for a replacement.
  • Keep an eye (and ear) out for battery warning lights or dimming lights inside the car. These can be signs the alternator is not charging the battery properly.
  • Have your battery and alternator tested during routine servicing, especially if your car is showing any electrical glitches or struggling to start. Most mechanics can perform a simple voltage test to check the alternator's output and battery condition.
  • Ensure electrical connections to the alternator are clean and tight. Corrosion or loose wiring can cause poor performance or intermittent charging issues.

If the alternator on your 2016 Lexus IS does fail, you'll generally notice symptoms such as dim lights, battery warning indicators on the dashboard, a weak or dead battery, or strangely behaving electrical components. When replacement is necessary, it's crucial to get a quality unit that matches the specifications of the original. Using a direct-fit alternator designed for the Lexus IS ensures proper fit and reliable operation.

Replacing an alternator isn't overly complicated for a professional, but it's not exactly a quick DIY job for most. The process usually involves removing the serpentine belt, disconnecting electrical plugs and wiring, unbolting the old alternator, and then reversing the steps to install the new one. Because the alternator is tied directly to your car's electrical system, a certified mechanic can also ensure everything gets properly tested to confirm the repair is successful.

For Aussie drivers who value peace of mind and want to avoid unexpected breakdowns, regular checks on the alternator as part of your Lexus IS servicing schedule are a smart move. Whether you're commuting across town or planning a weekend getaway, a healthy alternator keeps the battery topped up and your car running electrical systems smoothly.

So, while the alternator sits quietly under the bonnet, its job behind the scenes is absolutely critical. A well-maintained alternator helps maintain good battery life, supports all the tech and comforts inside the car, and ultimately ensures you have a stress-free drive no matter where the road takes you.