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  3. CUMMINS 3937470

CUMMINS 3937470 Oil Transfer Connection

3937470 Cummins New Genuine Oil Transfer Connection

( Brand: Cummins ), ( Manufacturer Part Number: 3937470 ), ( Type: Oil Transfer Connection ), ( Country Of Origin: United States )

Review CUMMINS New Genuine Oil Transfer Connection

The Cummins 3937470 Oil Transfer Connection is an essential component for transferring engine oil between two Cummins engines or from an engine to an external oil storage tank. This transfer connection is engineered to meet the stringent requirements of heavy-duty applications and is designed for use with Cummins ISX and ISM engines.

The transfer connection consists of a durable, cast iron body, which provides excellent resistance to the high temperatures and pressures encountered in heavy-duty diesel engines. The connection features a 3/4-inch NPT inlet and outlet thread configuration, allowing for easy connection to engine oil pans or external storage tanks. The inlet and outlet ports are equipped with O-ring seals to ensure a leak-free connection.

One notable feature of the Cummins 3937470 Oil Transfer Connection is its integrated oil level gauge. This gauge provides an accurate and convenient way to monitor the oil level during the transfer process, ensuring that the receiving tank or engine never runs dry. The gauge features a clear, easy-to-read scale and is calibrated to provide accurate readings for a wide range of oil levels.

The transfer connection also includes a 1/2-inch NPT drain plug, which allows for easy drainage of any excess oil that may accumulate during the transfer process. The drain plug is also equipped with an O-ring seal to prevent leaks.

The Cummins 3937470 Oil Transfer Connection is designed to meet the stringent emissions requirements of modern diesel engines, including those with exhaust gas recirculation (EGR) and selective catalytic reduction (SCR) systems. It is compatible with a wide range of engine oils, including those formulated for low-emissions applications.

In summary, the Cummins 3937470 Oil Transfer Connection is a high-quality, durable component designed for transferring engine oil between two Cummins engines or to an external storage tank. It features a cast iron body, NPT inlet and outlet threads, an integrated oil level gauge, and a 1/2-inch NPT drain plug. This transfer connection is an essential tool for heavy-duty applications where efficient and accurate oil transfer is essential.

Cummins Oil Transfer Connection (Part Number 3937470): A Comprehensive Analysis

The Cummins Oil Transfer Connection (Part Number 3937470) is a critical component in the engine oil cooling system of Cummins engines. This analysis aims to provide you with the essential pros and cons to help you make an informed decision about purchasing this part.

Pros:

1. Enhanced Engine Performance: The oil transfer connection ensures efficient oil cooling by transferring hot oil from the engine to the oil cooler. This results in improved engine performance and longevity.

2. OEM Quality: This part is a genuine Cummins product, which guarantees compatibility and reliability.

3. Easy Installation: The oil transfer connection is designed for easy installation, potentially saving you time and labor costs.

Cons:

1. Cost: The price of this part may be higher than aftermarket alternatives, making it a significant investment.

2. Wear and Tear: Due to its continuous exposure to extreme temperatures and engine oil, the oil transfer connection may wear out over time, necessitating replacement.

3. Potential Leaks: Like any other engine component, this part may develop leaks, leading to oil loss and potential engine damage.

Conclusion:

The Cummins Oil Transfer Connection (Part Number 3937470) is a crucial component for maintaining the optimal performance and longevity of your Cummins engine. While it comes with a higher price tag, its OEM quality, ease of installation, and enhanced engine performance make it a worthwhile investment. However, it is essential to consider the potential for wear and tear and the risk of leaks when deciding whether to purchase this part. Ultimately, if you value the peace of mind that comes with using genuine Cummins parts, this oil transfer connection is a recommended choice.

Details:

part #: 3937470 prices

  • $175.00-$263.35

specifications rockeareng:

  • brand: Cummins
  • mpn: 3937470
  • type: Oil Transfer Connection
  • country of origin: United States

offer rockeareng:

  • started: May 13, 2026
  • availability: In Stock
  • quantity: 1
  • sold: 0
  • best offers: True
  • options: Ship-to-home

returns rockeareng:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

shipping rockeareng:

  • class: Standard
  • cost: $0.00
  • service: USPS Ground Advantage
  • type: Calculated
  • carrier: USPS
  • transit: 3-8 Days

seller rockeareng:

  • rating: 100.0%
  • city: Tacoma, Washington
  • # reviews: 398

general rockeareng:

  • Engines Engine Parts > Valvetrain Components > Rocker Arms Parts
  • condition: New other see details

payments rockeareng:

  • credit card: Visa
  • wallet: Google-pay
  • other
type: oil transfer connection, country of origin: united states,
category: auto parts > engines engine parts > valvetrain components > rocker arms parts, sku: 14725692805281773,
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5 offers $175.00–$263.35 USD
  • New other (see details). Offer #1 priced at $175.00 + $0.00 shipping estimate = $175.00* total. FREE SHIPPING
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