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Find quick, honest answers to the most common questions importers ask about alternators, starters, and sensors. MOQ, quality, customization, lead time, and certifications – all covered.
This premium 120A Alternator Assembly is a heavy-duty, brand-new unit specifically engineered for Honda and Acura 2.0L and 2.4L engines. Designed for wholesale distribution, it meets the rigorous electrical demands of modern passenger vehicles, providing a stable 14V output for advanced safety and infotainment systems.
Part Numbers: Direct replacement for OE 31100-RTA-033, 31100-RTA-003, 31100-RTA-013, and 31100-RTA-023.
Vehicle Application: Precision-matched for:
Honda Civic Si (2.0L): 2006–2011
Honda Accord (2.4L): 2006–2007
Honda CR-V (2.4L): 2007–2011
Honda Element (2.4L): 2007–2011
Core Technology: Features a 100% high-purity Copper Motor for maximum electrical conductivity and superior thermal resistance, ensuring reliability in high-heat engine bays.
Technical Specifications
Electrical Power: Delivers a robust 120 Amp charging current at 14V.
Pulley Design: Equipped with an OAP (Overrunning Alternator Pulley) to reduce belt drive vibration and extend the life of the belt and tensioner.
Regulator Function: Includes a Multi-function internal regulator for intelligent voltage management.
Build Quality: Robust construction with a net weight of 14.30 lbs, designed to withstand the vibration of high-revving VTEC engines.
Key Performance Features
High Efficiency: Engineered for low energy consumption and high fuel efficiency, minimizing parasitic drag on the engine.
Mute-Level Operation: Specialized internal components and balancing provide exceptionally low noise levels, maintaining a quiet driving environment.
Direct Fitment: Designed as a "bolt-on" replacement that matches all factory mounting points and electrical connectors (CSD73 style).
OE Numbers
31100-RTA-033
31100-RTA-A00
ACURA CSC29
ACURA 31100RAAA01
ACURA 31100RAAA04
ACURA 31100RAAA05
ACURA 31100RAAA03
ACURA 31100RTA013
ACURA 31100RAAA03RM
ACURA CSD73
ACURA 31100RTA023
ACURA 31100RTA003
HONDA 31100RTA033
RELIANCE 31403
Alternator Specifications
Item Dimensions
16.0 x 12.0 x 9.0 inches
Item Weight
14.30 Pounds
Condition
New
Power
14V/120A
Pulley
OAP
Regulator Function
Multi
Alternator Detailed Applications
Make
Model
Year
Honda
Civic
2007-2010
Honda
Accord
1997-2003
Honda
CR-V
2007-2011
Wholesale & Manufacturing Advantages
Certified Quality: Manufactured in facilities holding IATF 16949, ISO 9001, and ISO 14001 certifications, meeting the highest Tier-1 automotive quality standards.
Massive Capacity: With an annual capacity of 3 million sets, we provide a stable and scalable supply chain for global distributors.
Customization (OEM/ODM): Full support for custom branding, private-label packaging, and specialized material selection to fit your market strategy.
Logistics: Flexible lead times (7–60 days) and a low MOQ of 100 units for easy inventory management.
Logistics & Order Summary
Minimum Order (MOQ): 100 Units
Warranty: 12 Months
Packaging: Brand, Neutral, or Fully Customized Packaging.
The Genuine Honda Alternator 31100-RTA-033 is an excellent benchmark for high-quality replacements that match original factory specifications.
Alternator Supplier | High-Output, OE-Standard Production for Bulk Buyers
Elecdura Alternator Certification: CE, ISO Compliance, Plus Local Market Support
Elecdura alternators are manufactured in full compliance with leading international standards, enabling seamless market entry worldwide. We hold key certifications, including CE for product safety in the European market, ISO 14001 for environmental management, and ISO 45001 for occupational health and safety. These demonstrate our commitment to reliable performance, sustainable production, and high workplace standards.If your target market requires specific local approvals, our dedicated team will proactively coordinate the certification process to obtain all necessary documentation, ensuring your supply chain remains efficient and fully compliant. We are here to support your regulatory needs.
ISO14001
ISO45001
CE
Elecdura Alternators are made in automated factories with certified precision
The factory is equipped with advanced machinery to ensure consistent quality and high production efficiency throughout the alternator manufacturing process. Its modern facilities enable both large-scale production and adherence to stringent quality control standards.
Bulk Quantity of Alternator Rotors High-volume production of core rotating components, ready for final assembly.
Finished Alternators in Bulk Order Quantities Complete alternator units prepared for large-volume export and timely delivery.
OEMODM Alternator Showcase for Branding Explore customized solutions and branding opportunities for your market.
Industrial Alternator Assembly Line Witness precision manufacturing and efficient production capacity for reliable alternator supply.
Alternator Sample Display for Quality Inspection Evaluate product finish, craftsmanship, and key specifications firsthand.
Stator Assemblies Produced at Scale Consistent quality in bulk stator production, ensuring stable alternator performance.
Establish strict inspection system and process for each process from development, experiment and shipment of finished product.
The development, production and test of each starter must pass 30 kinds of test.
Before shipment, 100% check of the appearance, size and nut to prevent any defects from leaking out
Honda Alternator Supplier Strong Export Capability and Stable Supply
Elecdura ensures large-scale, stable supply of alternators to global markets. Each pallet and carton is meticulously packaged to export standards for secure transport. Leveraging years of export expertise and consistent demand from long-term clients, we provide reliable delivery assurance and supply chain continuity for bulk orders.
Elecdura collaborates with leading distributors and brands worldwide — helping our partners dominate their local aftermarket. Through professional sourcing, customized product development, and close market research, we've supported clients in becoming the Top 1 aftermarket suppliers in South America(in some categories). Our integrated marketing and supply capabilities make us more than a factory — we're your strategic growth partner.
Successful client collaboration showcased at trade fair booth
Distributor partnership meeting for aftermarket product planning
Elecdura with international buyer in Brazil Exhibition
Elecdura assisting South American client in aftermarket development
Elecdura team and partners at international auto parts exhibition
Warehouse of Elecdura global partner displaying stocked
FAQ-Alternator Assembly for Honda Civic Accord CR-V 2006-2011
Q1: Is this alternator with part number 31100-RTA-033 truly compatible with the 2006-2011 Honda Civic, Accord, and CR-V? Do they share the same engine?
A: Yes, but the core lies in the engine family, not the vehicle model. Part number 31100-RTA-033 is a platform part number from Honda, designed to fit multiple models equipped with Honda's R-series (e.g., R18, R20) and K-series (e.g., K20, K24) four-cylinder engines. The Civic, Accord, and CR-V all had models using these engines between 2006 and 2011. Therefore, the key to compatibility is not the model name, but the specific engine in your vehicle. For example, it may fit a Civic with the R18A1 engine or a CR-V with the K24Z2 engine.
Q2: Is this a genuine Honda part, a remanufactured unit, or an aftermarket part?
A: The title "Alternator Assembly" does not specify the condition. This part number is most commonly found as high-quality remanufactured units or new aftermarket parts built to OE specifications on the market. Brand new genuine parts (in Honda packaging) would typically be labeled "Genuine" or "OEM". Honda's original supplier is Denso, so a remanufactured or new part bearing the "Denso" brand is a strong indicator of quality and reliability. Buyers need to judge its specific condition based on brand, price, and description.
Q3: After installing this alternator in a Honda vehicle, is software matching or initialization required?
A: For most Honda models from 2006-2011, the charging system is relatively conventional, with the alternator typically communicating with the ECM via analog signals. Dedicated software programming is generally not required after replacement. However, best practice is: after disconnecting the battery for replacement, use an OBD-II scanner to clear any historical fault codes that may have been triggered by the power loss, and allow the vehicle to complete a full ignition-on self-test and idle relearn cycle. For a minority of later or higher-spec models with more complex power management systems, consulting the specific service manual or using a diagnostic tool for a check is recommended.
Q4: Does the product include all installation accessories? Such as the pulley, belt, and bolts?
A: As an "Assembly," the product should include the complete alternator core, and the pulley is usually pre-installed. However, mounting bolts, washers, and the accessory drive belt (serpentine belt) are typically NOT included and must be reused from the vehicle's original parts in good condition. Before installation, be sure to inspect the belt's condition. If it shows signs of aging or cracking, it is strongly recommended to replace the belt and tensioner concurrently to ensure the reliability of the entire drive system.
Q5: For such a "one-part-fits-many" component, how can I ensure what I'm buying is the correct part for my specific vehicle?
A: Even though the part number is the same, final confirmation is critical. The most reliable and highly recommended method is to provide your vehicle's 17-digit VIN. The VIN precisely identifies your vehicle's year, model, engine, and trim, allowing verification in any reputable parts catalog of whether 31100-RTA-033 is applicable. Do not purchase based solely on the model name and year range. If the VIN is unavailable, at the very least, provide the engine model code (e.g., R18A1, K24A1) from the engine compartment nameplate for cross-referencing.
No one understands you better than us. What you really need is not just a supplier, but a trustworthy partner. Then please start greater success with Elecdura from now on.
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