11150N Alternator 130A Compatible with 2003-2009 Acura MDX - Reliable

In this review of the 11150N Alternator 130A, the bottom line is simple: this unit is for owners who need a direct, durable replacement that mirrors factory performance. Our review found the alternator offers a true OEM-spec fit for a range of early 2000s Acura and Honda models and focuses on reliable power delivery and long-term durability, making it a practical choice for a repair that needs to restore charging system function without extra modification.

Key Features

• Compatibility: Designed to replace multiple part numbers so it fits 2003-2009 Acura MDX and many 2004-2008 TL, RL, Odyssey, Pilot and Ridgeline models with minimal verification required.
• 130A Output: Provides a high output rating suitable for vehicles with standard electrical loads and accessories to maintain battery charge during normal and heavier use.
• Construction: Built with die-cast aluminum housing and precision CNC machining castings to resist heat and vibration typical under-hood conditions.
• Copper Windings: Uses pure copper winding with external insulating coating to improve conductivity and corrosion resistance for longer service life.
• OEM Specifications: Engineered to meet OEM fit and performance for a direct replacement without needing custom mounting or rewiring.
• Warranty: Comes with a 1-year hassle-free warranty that covers replacement if the unit fails under normal use.

Who It's For

This alternator is best for DIY mechanics, independent shops, and owners of compatible Acura or Honda models who want a direct replacement that follows factory specifications. It suits vehicles that require the specific 11150N/31100 series fitment and drivers who prefer replacing a failed alternator with a part that aims to match original output and mounting points.

Users who need plug-and-play electronics upgrades, higher-than-stock electrical output for heavy aftermarket accessories, or brand-new OEM dealer parts with manufacturer-backed service may want to compare options; however, for a practical OEM-spec replacement at a reasonable value, this unit is a fitting option.

Pros & Cons

Pros

• Direct replacement engineered to OEM specifications for a predictable fit and functionality.
• Durable build materials including die-cast aluminum and pure copper winding improve heat and corrosion resistance.
• Wide compatibility with several part numbers reduces the risk of ordering the wrong unit when fitment is confirmed.
• Includes a 1-year hassle-free warranty for buyer reassurance.

Cons

• Not intended for significant aftermarket electrical upgrades that need higher output than 130A.
• Buyers must verify year, make, and model carefully before ordering to ensure correct fitment.

Specifications

Output Current	130A
Compatible Part Numbers	11150N, 31100-RDJ-A01, 31100-RGL-A01 and others
Construction	Die-cast aluminum housing, CNC machined castings
Winding	Pure copper with external insulating coating
Applications	2003-2009 Acura MDX; select 2004-2008 TL, 2005-2008 RL, Odyssey, Pilot, Ridgeline
Warranty	1-year hassle-free replacement

Our Verdict

The 11150N Alternator 130A is a sensible, value-oriented replacement for owners of the listed Acura and Honda models who need an OEM-spec alternator that restores charging reliability. Its robust materials and copper winding deliver durable performance, and the included warranty makes it an attractive choice for routine alternator replacement projects.

Frequently Asked Questions

Will this alternator fit my 2005 Acura MDX?
It is designed for 2003-2009 Acura MDX models but you should use the fitment confirmation tool and check the listed part numbers to ensure precise compatibility.

Does it come with a warranty?
Yes, the unit includes a 1-year hassle-free warranty that provides replacement if the alternator fails under normal use.

Is this suitable for heavy electrical accessory use?
The alternator supplies 130A which is adequate for stock electrical systems and moderate loads but may not be sufficient for vehicles with extensive aftermarket electrical accessories.