CUMMINS 141435 Qsc Engine Oil Cooler 3966365

( Brand: Cummins ), ( Manufacturer Part Number: 141435 ), ( Type: Engine Oil Cooler ), ( Oem Part Number: 3966365 )

Review CUMMINS Qsc Engine Oil Cooler

The Cummins QSC 141435 3966365 engine oil cooler is a crucial component in maintaining the optimal operating temperature of heavy-duty engines. This cooler is specifically designed for use with Cummins QSC engines and is engineered to provide efficient cooling performance.

The QSC 141435 3966365 oil cooler features a compact, yet robust design, with a total volume capacity of approximately 4.5 gallons (17.0 liters). The cooler's dimensions measure 19.4 inches (49.3 cm) long, 15 inches (38.1 cm) wide, and 7.9 inches (19.9 cm) high, making it suitable for various applications where space is a concern.

The cooler's core consists of a high-density, finned tube design, which maximizes the surface area for heat dissipation. The tubes are made of copper, ensuring excellent thermal conductivity and durability. The cooler's shell is constructed from aluminum, which is both lightweight and resistant to corrosion.

The QSC 141435 3966365 oil cooler comes with a pressure relief valve, which is essential for preventing excessive heat buildup within the coolant system. The valve is adjustable, allowing users to set the relief pressure according to their specific engine requirements.

The cooler is designed to be used with a variety of coolants, including glycol-based coolants, which are commonly used in heavy-duty applications. The cooler's inlet and outlet connections are threaded, allowing for easy installation and removal. The inlet connection is 1.5 inches (38.1 mm) in diameter, while the outlet connection is 1 inch (25.4 mm) in diameter.

The QSC 141435 3966365 engine oil cooler is a reliable and effective solution for maintaining the proper operating temperature of heavy-duty engines, ensuring optimal engine performance and longevity. Its robust design, high-density core, and adjustable pressure relief valve make it a valuable addition to any heavy-duty cooling system.

Cummins QSC engine oil coolers, specifically model number 141435 3966365, are essential components for maintaining the optimal operating temperature of Cummins engines. These coolers help to reduce the engine's oil temperature by circulating cooler oil from the oil cooler to the engine, preventing oil from overheating and potentially damaging the engine. Here are some pros and cons of buying this Cummins engine oil cooler.

1. High-quality construction: The Cummins 141435 3966365 oil cooler is made with heavy-duty materials, ensuring durability and reliability.

2. Effective cooling: The cooler's efficient design allows for optimal oil cooling, reducing the risk of engine damage from oil overheating.

3. Easy installation: The cooler comes with all necessary hardware for installation, making the process straightforward and time-efficient.

1. Price: This engine oil cooler is more expensive than some aftermarket alternatives, which may be a deterrent for some buyers.

2. Limited availability: Cummins original equipment manufacturer (OEM) parts can be harder to find compared to aftermarket alternatives, which may make sourcing the cooler more challenging.

In conclusion, the Cummins 141435 3966365 engine oil cooler offers high-quality construction, effective cooling, and ease of installation. However, its higher price point and limited availability may be drawbacks for some buyers. Ultimately, the decision to purchase this OEM cooler depends on your priorities, budget, and access to the cooler. If you value the assurance of using a genuine Cummins part and the confidence that it will provide optimal performance, the higher price may be worth it. Alternatively, if you are looking for a more cost-effective solution, you may want to consider aftermarket alternatives.

Details:

OIL COOLER 3966365 CUMMINS QSL 8.9/6C/ISC/ISL. 3966365 CUMMINS QSC ENGINE OIL COOLER 3881431: NEW - Est. If not, let us know how to earn your 5-star rating.

part #: 141435 prices

• $70.40-$189.99

specifications coenginecooling:

• brand: Cummins
• mpn: 141435
• type: Engine Oil Cooler
• oem part number: 3966365

offer coenginecooling:

• started: December 19, 2025
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• sold: 0

seller coenginecooling:

• city: Ozark, MO
• # reviews: 2527
• rating: 98.1%

shipping coenginecooling:

• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air
• type: Fixed
• class: Standard, Expedited, One-day
• transit: 4-11 Days
• cost: $0.00
• carrier: UPS

payments coenginecooling:

• other
• wallet: Paypal
• credit card: Mastercard

general coenginecooling:

• condition: New
• Commercial Truck Parts > Engine Cooling > Oil Coolers

returns coenginecooling:

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

Cummins 141435 Is Similar To:

• 110848 Cummins Oil Cooler Core Part (43.7% similar) Cummins oil cooler core part this is new and has never been used. Selling as is found...(February 17th, 2019)
• 1a021243 Gillig 01-73209-000 Made By Modine Cummins Allison Voith Fan Transmission Cooler (22.7% similar) Gillie Cummins Allison with 8 fan transmission cooler assembly new transit bus this is a item lost in shipping iodine part 1A021243000. Buyer pays shipping. Included control box and wire harness...(December 20th, 2018)
• 202141 Cummins Ntc Engine Cooler (54.8% similar) Used tube in good condition...(December 26th, 2018)
• 214836rx Cummins Recon After Inner Cooler (40.9% similar) Box has some wear and tear but item is as new reconditioned. Genuine Cummins recon inner cooler for big cam 855 engines...(January 7th, 2019)
• 251919 Cummins Filtration Fleetguard Coolant Immersion Heater Replacement Cord Other Engine (26.6% similar) I sell 100 authentic products only. Please by messages. 1250W, 120V comes with cord, element, and instructions shipping information free delivery in the continental USA...(November 10th, 2018)
• 2870231 Cummins Oem Oil Cooler Housing With Core (42% similar) Anytime through messaging. Our address is 1510 highway 29 north...(December 20th, 2018)
• 3066842 3059666 3051997 Aftermarket Products To Fit Cummins Oil Cooler Oe (30.4% similar) This offer is for a brand new, aftermarket to fit Cummins 88NT NH oil cooler kit oe, with 1 year warranty after day of purchase. Six along with the Sen engine serial number which is 8 digits long and if possible cpl critical parts list. If you wish to return the item ll need do so in a traceable ...(October 29th, 2018)
• 3073695 Cummins Diesel Engine Water Pump With Housing Oem (36.7% similar) Cummins QSM11 diesel engine water pump with housing oem in good condition please see pictures...(February 13th, 2019)
• 3075022 Cummins Engine Cover (47.5% similar) ...(December 27th, 2018)
• 3081359 Cummins Engine Oil Cooler (58.8% similar) ...(March 21st, 2019)
• 3278742 Cummins Oil Cooler Housing (44.2% similar) The item may also fit other model's as well. The model's listed may not include information about serial number breaks. Shipping: free shipping only applies to those addresses located within the lower continental 48 states...(March 30th, 2019)