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  3. CUMMINS 0503-1558

CUMMINS 0503-1558 Onan Radiator Hose

0503-1558 Cummins New Genuine Onan Radiator Hose

( Brand: Cummins ), ( Manufacturer Part Number: 0503-1558 ), ( Part Type: Radiator Hose ), ( Equipment Type: Hose ), ( Country Of Origin: United States )

Review CUMMINS New Genuine Onan Radiator Hose

Cummins 0503-1558 ONAN Replacement Radiator Hose

The Cummins 0503-1558 ONAN radiator hose is an essential component of the cooling system designed for Onan generators equipped with Cummins engines. This hose is engineered to meet the stringent requirements of heavy-duty applications, ensuring reliable and efficient engine cooling.

This replacement radiator hose is manufactured using high-quality materials, including a durable, abrasion-resistant cover and a reinforced, flexible inner hose. The cover is designed with a secure, leak-resistant clamping system to ensure a tight seal and prevent coolant leaks. The inner hose is constructed of a heat-resistant material that can withstand the extreme temperatures encountered in the engine compartment.

The Cummins 0503-1558 ONAN radiator hose is specifically designed for use with Onan generators featuring Cummins engines. It measures 14 inches in length, with an outside diameter of 1 inch and an inside diameter of 0.75 inches. It is suitable for use with a wide range of coolant types, including ethylene glycol and propylene glycol-based coolants.

This replacement radiator hose is an excellent choice for those seeking to maintain the performance and longevity of their Onan generator. It is easy to install, requiring no special tools or mechanical expertise. Simply replace the old hose with the new one, ensuring a proper connection at both ends, and your cooling system will be ready to keep your engine running at optimal temperatures.

In summary, the Cummins 0503-1558 ONAN radiator hose is a high-quality, reliable, and easy-to-install replacement component for your Onan generator's cooling system. It is engineered to meet the demands of heavy-duty applications, ensuring efficient engine cooling and preventing costly coolant leaks.

Cummins Onan radiator hose, specifically model number 0503-1558, is a replacement part for Cummins Onan generators. Here are some pros and cons that may help you decide whether to purchase this part.

Pros:

1. Designed specifically for Cummins Onan generators: This hose is a direct replacement for the original part, ensuring a perfect fit and proper function.

2. Durable construction: The hose is made of high-quality materials that can withstand the rigors of frequent use in generators.

3. Easy installation: The hose comes with all necessary fittings and clamps, making it easy to install for most users.

4. Improved cooling system performance: A new radiator hose can help improve the cooling system's efficiency, extending the life of the generator.

Cons:

1. Cost: The Cummins Onan radiator hose may be more expensive than aftermarket alternatives, which could be a deterrent for some buyers.

2. Availability: Depending on your location, it may be challenging to find this hose at your local parts store, requiring you to order it online.

3. Potential need for additional parts: In some cases, replacing the radiator hose may require the replacement of other related parts, such as the radiator cap or thermostat, which could add to the overall cost.

Conclusion:

The Cummins Onan 0503-1558 radiator hose is a high-quality, direct replacement part that can improve the cooling system's performance and extend the life of your generator. However, it may come with a higher price tag compared to aftermarket alternatives and may require the replacement of other related parts during installation. Ultimately, the decision to purchase this hose depends on your budget, availability, and the severity of the cooling system issue in your generator.

Recommendation:

If you're experiencing cooling system issues with your Cummins Onan generator and the radiator hose is the suspected culprit, it's recommended to purchase the genuine OEM part, such as the Cummins Onan 0503-1558 radiator hose, to ensure proper fit and function. However, if budget is a concern, you may consider researching and purchasing a high-quality aftermarket alternative from a reputable supplier. Regardless of the option you choose, make sure to follow the installation instructions carefully and replace any related parts as needed.

Details:

The NEW Genuine Cummins Onan Radiator Hose 0503-1558 is a high-quality replacement part designed specifically for equipment. GENUINE OEM CUMMINS PART # 0503-1558, 05031558 ONAN RADIATOR HOSE.

part #: 05031558 price

  • $54.99

specifications generatormac:

  • brand: Cummins
  • mpn: 0503-1558
  • part type: Radiator Hose
  • equipment type: Hose
  • country of origin: United States

returns generatormac:

  • policy: Returns Accepted
  • method: Money back
  • time: 30 Days
  • paid by: Seller

shipping generatormac:

  • transit: 9-13 Days
  • cost: $0.00
  • type: Fixed
  • class: Standard
  • service: USPS Ground Advantage
  • carrier: USPS

offer generatormac:

  • sold: 0
  • started: April 8, 2026
  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1

general generatormac:

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

payments generatormac:

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

seller generatormac:

  • city: Vancouver, Washington
  • rating: 100.0%
  • # reviews: 37
part type: radiator hose, equipment type: hose, country of origin: united states,
category: business & industrial > generator parts accessories, sku: 10523749028791602,

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  • Offer #1: $54.99 price + $0.00 shipping estimate = $54.99* total. GENUINE OEM CUMMINS PART # , 05031558 ONAN RADIATOR HOSE.FREE SHIPPING

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