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  3. ONAN 0338-3816

ONAN 0338-3816 Rv Generator Wiring Harness 0338-3812

0338-3812 Onan 0338-3816 Rv Generator Wiring Harness #0338-3812 New

( Brand: Onan ), ( Manufacturer Part Number: 0338-3816 ), ( Model: 0338-3812 ), ( Part Type: Wiring Generator Harness ), ( Equipment Type: Wiring Harness ), ( Country Of Origin: United States )

Review ONAN Rv Generator Wiring Harness #0338-3812 New

The Onan 0338-3816 RV generator wiring harness is a crucial component for connecting your Onan RV generator to your recreational vehicle's electrical system. This harness is designed specifically for Onan RV generators with model numbers 003011 and 003015, and it can be interchanged with part number 0338-3812.

Measuring approximately 15 inches in length, this wiring harness features a heavy-duty design with 10 gauge wires that can safely and effectively transfer power between the generator and your RV. The wires are insulated with a high-quality, flexible material that can withstand the rigors of frequent use and the harsh conditions often encountered during RV travel.

The harness includes several key components, including a generator interlock relay, a transfer switch, and a power cord. The generator interlock relay ensures that your RV's electrical system is properly synchronized with the generator, preventing any potential electrical issues. The transfer switch allows you to easily switch between your RV's shore power and the generator power, while the power cord connects the generator to the harness.

The wiring harness is also equipped with a conveniently located fuse box, which houses four 15-amp fuses that protect the various circuits in the harness. The fuses can be easily accessed and replaced if necessary, ensuring that your electrical system remains safe and reliable.

Overall, the Onan 0338-3816 RV generator wiring harness is a must-have accessory for any RV owner with an Onan RV generator. Its heavy-duty design, convenient features, and compatibility with several generator models make it an essential addition to your RV electrical system.

Pros and Cons of Buying an Onan 0338-3816 RV Generator Wiring Harness 0338-3812

The Onan 0338-3816 RV generator wiring harness 0338-3812 is a crucial component for those who own Onan RV generators. This wiring harness facilitates the connection between the generator and the RV's electrical system. In this text, we will discuss the advantages and disadvantages of purchasing this wiring harness.

Pros:

1. Compatibility: This wiring harness is specifically designed for Onan RV generators, ensuring a perfect fit and seamless integration with your RV's electrical system.

2. Convenience: Purchasing a factory-made wiring harness like the Onan 0338-3816 eliminates the need for custom wiring and makes the installation process more straightforward and efficient.

3. Durability: Onan is a reputable brand known for producing high-quality products. The wiring harness is built to withstand the rigors of RV travel, ensuring a long lifespan.

4. Safety: A properly installed wiring harness ensures the safe and efficient transfer of power from the generator to the RV's electrical system, reducing the risk of electrical malfunctions and potential fires.

Cons:

1. Cost: The Onan 0338-3816 RV generator wiring harness may be more expensive than custom-made wiring harnesses or aftermarket alternatives. However, the added cost can be justified by the convenience, compatibility, and durability that comes with a factory-made harness.

2. Availability: Depending on your location, it might be challenging to find a local dealer that stocks this particular wiring harness. This could require you to order it online and wait for it to be shipped, which could add to the overall installation time.

3. Complexity: While the installation process may be simpler than custom wiring, it's still essential to follow the instructions carefully and ensure a proper connection to avoid electrical issues.

Conclusion:

The Onan 0338-3816 RV generator wiring harness 0338-3812 offers several advantages, including compatibility, convenience, durability, and safety. Although it may be more expensive and less readily available than other options, the benefits it provides justify the investment for those who own Onan RV generators. Ultimately, the decision to purchase this wiring harness depends on your specific needs, budget, and availability.

Recommendation:

If you own an Onan RV generator and are in need of a reliable wiring harness, the Onan 0338-3816 is a solid choice. While it may come with a higher price tag and require a bit of patience to acquire, the ease of installation, compatibility, and durability make it a worthwhile investment for RVers seeking a hassle-free power solution.

Details:

part #: 03383816 prices

  • $69.99-$150.00

specifications generatormac:

  • brand: Onan
  • mpn: 0338-3816
  • model: 0338-3812
  • part type: Wiring Generator Harness
  • equipment type: Wiring Harness
  • country of origin: United States

general generatormac:

  • condition: New
  • Business Industrial > Light Equipment Tools > Generator Parts Accessories

payments generatormac:

  • other
  • credit card: Visa
  • wallet: Google-pay

returns generatormac:

  • policy: No Returns

seller generatormac:

  • city: North Fort Myers, Florida
  • # reviews: 2
  • rating: 100.0%

shipping generatormac:

  • carrier: USPS
  • class: Standard
  • transit: 4-9 Days
  • service: USPS Ground Advantage
  • cost: $0.00
  • type: Calculated

offer generatormac:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 1
  • started: March 15, 2026
part type: wiring generator harness, equipment type: wiring harness, country of origin: united states,
category: business & industrial > generator parts accessories, sku: 10206390224717793,

Onan 0338-3816 Is Similar To:

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3 offers $69.99–$150.00 USD
  • Offer #1: $82.00 price + $0.00 shipping estimate = $82.00* total. COMPATIBLE WITH ALL MODEL HARNESSES UP TO REVISION J MANUFACTURED BY TE CONNECTIVITY.FREE SHIPPING
  • Offer #2: $69.99 price + $0.00 shipping estimate = $69.99* total. Exact Part Match: This is the factory-original harness for the KY Spec K series. Genuine Cummins Onan Engine Wiring Harness (Part # , Rev D).FREE SHIPPING
  • Offer #3: $150.00 price + $50.00 shipping estimate = $200.00* total. I DO NOT KNOW THE CONDITION OF ANY OF THE ELECTRICAL COMPONENTS AND HAVE NO WAY OF TESTING THEM. THIS IS FOR SPEC B TO H AND ALSO INCLUDES THE AIR HOUSING.+$50.00 shipping

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