High Output Alternator for Kia Rio (2012-2013) 1.6L

$87.95

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Direct-Fit Replacement Alternator for 2012-2013 Kia Rio (UB)

What it Does: The replacement 90A alternator restores factory-spec 12V electrical charging to the 2012-2013 Kia Rio to eliminate charging system warnings, prevent battery draw, and stabilize electrical bus voltage under load.

The Stock Kia Rio Charging System Weakness

In third-generation UB chassis vehicles, the factory charging system is subjected to high underhood temperatures generated in close proximity to the exhaust runner on the G4FD 1.6L Gamma engine. Over continuous thermal cycling, the OEM internal regulator diodes degrade, internal brush wear accelerates on the slip rings, and the stator insulation breaks down. This deterioration leads to flickering instrument clusters, degraded fuel pump voltage, battery drain, and intermittent charging failure.

The Engineering Solution

Engineered to resolve factory degradation, this unit features a 100% newly manufactured aluminum housing, balanced internal rotor, and heavy-gauge copper stator windings designed for efficient heat dissipation. An integrated internal regulator (IR) and internal cooling fan (IF) deliver consistent 90-amp output with smooth voltage cutoff. The assembly comes equipped with the factory-correct S6 6-groove serpentine belt pulley, clockwise (CW) rotation, and a native 3-pin wiring harness receptacle for an exact plug-and-play installation without electrical modifications.

What's Included

1× 12V 90A Alternator

Technical Specifications

Fitment	2012-2013 Kia Rio
Engine / Chassis	1.6L G4FD Gamma / UB
Stock Output	138 hp / 123 lb-ft
Replaces OEM Part #	2607372, 2608483, 2616741, 37300-2B300, 37300-2B300RU, 37300-2B500, 37300-2B510

Compatibility

2012 Kia Rio 1.6L L4 (LX, EX, SX)
2013 Kia Rio 1.6L L4 (LX, EX, SX)

Frequently Asked Questions & Fitment Warnings

Does this fit the UB Rio?

Yes, this is a direct fit for the 2012-2013 Kia Rio equipped with the G4FD 1.6L engine.

Is a pulley swap or bracket modification required?

No, this alternator includes the factory-matched S6 serpentine pulley and OE-spec mounting ears for a bolt-in replacement using stock hardware.

The Kia Direct Injection Reliability Caliber

High-pressure direct-injection systems require steady, uninterrupted DC voltage to run solenoid injectors and sensitive engine management modules without sensor lag or misfires.