CUMMINS 3694737 Oil Cooler

( Brand: Cummins ), ( Type: Oil Cooler ), ( Manufacturer Warranty: 1 Year ), ( Manufacturer Part Number: 3694737 ), ( Vintage Part: No )

Review CUMMINS Oil Cooler fits X12

The Cummins 3694737 X12 Oil Cooler is a crucial component in maintaining the optimal operating temperature of heavy-duty engines. This oil cooler is specifically designed for Cummins engines and is engineered to provide reliable and efficient cooling performance.

The X12 Oil Cooler features a robust construction with a 12-fin tube design, ensuring maximum heat dissipation. The tube diameter measures 0.187 inches, and each tube is spaced 0.062 inches apart for effective air flow. The cooling fins are finely machined to provide a large surface area for efficient heat transfer.

The cooler core is made of aluminum, a lightweight yet durable material, which reduces the overall weight of the engine and enhances its thermal efficiency. The cooler's dimensions are 22.8 inches long, 13 inches wide, and 3.3 inches high, making it a suitable fit for various Cummins engine applications.

The Cummins 3694737 X12 Oil Cooler comes with an integrated bypass kit, enabling the engine to continue operating even if the cooler gets clogged or if coolant pressure drops. The bypass kit helps to maintain adequate oil pressure and prevents engine damage.

The cooler's inlet and outlet ports are located at the bottom and top, respectively, ensuring proper oil flow and cooling efficiency. The cooler's inlet and outlet ports have a thread size of 1 inch NPT, making it compatible with various hose and fitting configurations.

The Cummins 3694737 X12 Oil Cooler comes with a pressure rating of 220 psi, making it suitable for high-pressure cooling systems. It is also compatible with a range of coolant types, including glycol-based coolants and diesel coolants.

Overall, the Cummins 3694737 X12 Oil Cooler is a high-performance, durable, and efficient cooling solution for heavy-duty engines. Its robust construction, large cooling surface area, and integrated bypass kit make it an essential component for maintaining engine performance and longevity.

The Cummins X12 oil cooler, model number 3694737, is a crucial component of diesel engines used in heavy-duty applications. This cooler helps maintain the oil temperature within an acceptable range to ensure the longevity of the engine. Here are some pros and cons of buying this specific oil cooler.

1. Durable: Cummins is known for manufacturing high-quality, robust components. This oil cooler is no exception. It is built to withstand the rigors of heavy-duty applications.

2. Efficient: The oil cooler is designed to provide efficient cooling, ensuring that the engine oil temperature remains within the recommended range. This helps improve the engine's performance and longevity.

3. OEM Part: Using an OEM (Original Equipment Manufacturer) part like this oil cooler ensures that it is specifically designed to work with your Cummins engine. This can provide peace of mind as you know it is a perfect fit.

1. Cost: OEM parts like this oil cooler can be more expensive compared to aftermarket alternatives. However, the quality and fit may justify the cost for some.

2. Size and Installation: Depending on your specific application, installing the oil cooler may require some additional effort and time. Additionally, given its size, you may need to ensure adequate clearance during installation.

3. Availability: Due to its specificity to the Cummins X12 engine, availability of this oil cooler may be limited in some regions or markets.

The Cummins X12 oil cooler, model number 3694737, is a high-quality, efficient, and durable component designed to ensure the longevity of your Cummins engine. While it may be more expensive than aftermarket alternatives and require some effort to install, its OEM design guarantees a perfect fit and optimal performance. Ultimately, if you are looking for a reliable and efficient solution to maintain the oil temperature in your Cummins engine, this oil cooler is a solid choice.

part # 3694737 prices

• $314.75-$378.48

specifications motochilled:

• for models: X12
• brand: Cummins
• type: Oil Cooler
• manufacturer warranty: 1 Year
• manufacturer part number: 3694737
• vintage part: No

seller motochilled:

• rating: 100.0%
• # reviews: 153

offer motochilled:

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

payments motochilled:

• wallet: Paypal
• credit card: Mastercard
• other

general motochilled:

• condition: New
• Car Truck Parts Accessories > Engine Cooling Components > Engine Oil Coolers Lines

shipping motochilled:

• type: Calculated
• transit: 5-11 Days
• cost: $0.00
• class: Standard
• carrier: UPS
• service: UPS Ground

returns motochilled:

• policy: No Returns

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