11402 Alternator Fit for Toyota Camry RAV4 Scion tC - 100A Reliable

In this review of the 11402 alternator, the bottom line is practical and focused: this 100A replacement is for owners who need a direct-fit alternator for Toyota Camry (2012-2015), RAV4 (2009-2012) and Scion tC (2011-2016). It is best for a DIY mechanic or a shop seeking an OEM-style swap because it promises exact fit, 12V output and a standard clockwise rotation, and it delivers dependable charging when installed correctly. The review highlights that correct fit and wiring are the most important factors for success with this unit.

Key Features

• Direct replacement: Designed to match OEM part numbers so installation is typically straightforward for compatible Camry, RAV4, and Scion tC engines.
• 100A output: Provides sufficient charging capacity for stock electrical systems and common accessories without overloading the battery.
• 12V operation: Matches factory voltage for reliable charging and consistent electrical system performance.
• Internal regulator: Built-in voltage regulation reduces parts to install and simplifies replacement compared with separate regulator systems.
• Durable construction: Die-cast aluminum housing and pure copper windings aim to resist heat and corrosion for longer service life.
• 6-groove pulley: Standard pulley configuration ensures belt compatibility with the listed vehicle models when pulleys match OEM setup.

Who It's For

This alternator is for owners of Toyota Camry 2012-2015 L4 2.5L, RAV4 2009-2012 L4 2.5L (2494cc), and Scion tC 2011-2016 L4 2.5L who need a cost-effective, direct replacement part that follows OEM specifications. It suits experienced DIYers and independent repair shops looking for a new alternator with an internal regulator and a 6-groove pulley for a like-for-like swap.

It is not recommended for vehicles with modified charging systems, higher electrical loads that require >100A output, or for buyers unwilling to verify OEM part numbers and connector compatibility before installation. If wiring or battery condition is questionable, have a technician inspect the vehicle before replacing the alternator.

Pros & Cons

Pros

• Good fitment for specified Toyota and Scion models when OEM numbers match, making replacement straightforward.
• Clean 100A, 12V output with internal regulator reduces installation variables and simplifies a direct swap.
• Constructed with die-cast aluminum and copper windings to resist heat and corrosion for everyday driving conditions.
• Comes fully tested to OEM-style standards before shipment to help ensure functionality on arrival.

Cons

• Some customers report quality and durability issues, so occasional early failures have been reported in the field.
• Proper charging depends on correct installation, battery condition, belts and wiring; mistakes can cause a unit to appear defective.

Specifications

Part numbers	11402, 11402N, 12946, 104210-2270, 27060-36010
Amperage	100A
Voltage	12V
Rotation	CW (Clockwise)
Pulley grooves	6-Groove Pulley
Fan type	Internal
Regulator	Internal

Our Verdict

The 11402 alternator is a sensible value choice for Camry, RAV4 and Scion tC owners who need a direct-fit 100A replacement that follows OEM form and function; it offers good value when matched correctly to the vehicle and installed by someone who verifies wiring and battery condition beforehand.

Frequently Asked Questions

Will this alternator fit my vehicle?
Check your OEM part number and vehicle engine (L4 2.5L) to confirm compatibility before purchasing; contact the seller with VIN if unsure.

What should I check if the alternator does not charge?
Verify regulator plug is connected, battery condition, belt tension, and wiring tightness; improper installation is the most common cause of charging issues.

Is professional installation required?
Professional installation is recommended to ensure correct wiring, belt alignment and to prevent damage if you are not comfortable with electrical systems.