Part #: 11154

Remy 11154 Alternator

Premium Remanufactured
⚙️ 28 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$294.58Free Shipping
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Premium Remanufactured
🚗Fitment: Lexus, GS350, IS250, IS300, IS350, RC300, and RC350
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Alternator Replacement for Lexus Vehicles

The Remy Premium Remanufactured Alternator 11154 is designed to restore your Lexus GS350, IS250, IS300, IS350, RC300, or RC350's charging system performance. Engineered with a 150-amp rating and internal fan, this alternator ensures consistent electrical output for your vehicle's demanding needs.

  • 150 Amperage Rating for optimal electrical power
  • Internal fan type for efficient cooling
  • Remanufactured to meet strict quality standards
  • Includes pulley for direct replacement
  • Clockwise rotation direction compatible with specified Lexus models
  • 12 Volt system with internal voltage regulator
  • OE Manufacturer: Nippondenso for reliable fit and function

About the Premium Remanufactured Product Line

The Premium Remanufactured line by Remy offers alternators that have been carefully rebuilt to meet or exceed original equipment specifications. This process includes thorough testing and replacement of worn components, ensuring dependable performance and longevity. The 11154 alternator benefits from this rigorous remanufacturing process, providing a cost-effective alternative to new parts without compromising quality.

Detailed Product Description

This Remy alternator 11154 is specifically designed for select Lexus models including the GS350, IS250, IS300, IS350, RC300, and RC350. It features a 150 amp output suitable for vehicles with higher electrical demands. The internal fan design helps maintain optimal operating temperatures, while the internal voltage regulator ensures stable voltage output to protect your vehicle's electrical system. The included pulley and clockwise rotation direction match OEM specifications from Nippondenso, facilitating a straightforward replacement process.

Common Issues Addressed by This Alternator

  • Battery not charging or frequent battery drain
  • Dimming or flickering headlights and interior lights
  • Warning lights related to charging system on the dashboard
  • Unusual noises from the alternator area
  • Electrical accessories malfunctioning or underperforming

Installation Notes and Tips

Ensure compatibility with your Lexus model before installation by verifying the part number 11154. The included pulley and clockwise rotation direction match OEM requirements, simplifying the replacement process. It is recommended to inspect the battery and wiring connections during installation to ensure optimal performance of the alternator.

Quality Assurance and Warranty

Remy’s Premium Remanufactured alternators undergo comprehensive testing to meet strict quality standards. This alternator is built to provide reliable performance consistent with OEM specifications. Please refer to Remy’s warranty policy for specific coverage details related to the 11154 alternator.

BrandRemy
Part Number11154
PositionPremium Remanufactured
Amperage Rating150
Fan TypeInternal
New or RemanufacturedRemanufactured
OE ManufacturerNippondenso
Pulley IncludedYes
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 28 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
2018LexusIS3003.5LV6N/ATo 10/2017; 150 Amps; Premium Remanufactured
2018LexusIS3503.5LV6N/ATo 10/2017; 150 Amps; Premium Remanufactured
2018LexusRC3003.5LV6N/ATo 11/2017; 150 Amps; Premium Remanufactured
2018LexusRC3503.5LV6N/ATo 11/2017; 150 Amps; Premium Remanufactured
2017LexusIS3003.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2017LexusIS3503.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2017LexusRC3003.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2017LexusRC3503.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2016LexusIS3003.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2016LexusIS3503.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2016LexusRC3003.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2016LexusRC3503.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2015LexusGS3503.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2015LexusIS2502.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2015LexusIS3503.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2015LexusRC3503.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2014LexusGS3503.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2014LexusIS2502.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2014LexusIS3503.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2013LexusGS3503.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2013LexusIS250Convertible2.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2013LexusIS350Convertible3.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2012LexusIS250Convertible2.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2012LexusIS350Convertible3.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2011LexusIS250Convertible2.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2011LexusIS350Convertible3.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2010LexusIS250Convertible2.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2010LexusIS350Convertible3.5LV6N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

104210-1091104210-8092104211-8090104211-809227060-3121127060-31212

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.