CUMMINS 2531231 Water Pump 3691304RX ISX15

( Brand: Cummins ), ( Manufacturer Part Number: 2531231 ), ( Part Type: Pump ), ( Casting : 3691303 ), ( Oem Part Number: 3691304rx )

Review CUMMINS Water Pump

The Cummins ISX15 3691304RX Water Pump, part number 2531231, is an essential component of the cooling system in Cummins ISX15 engines. This water pump is engineered to provide efficient and reliable cooling performance, ensuring optimal engine operation under various operating conditions.

The pump housing is made of high-strength cast iron, which offers excellent durability and resistance to thermal shock. The impeller is designed with a balanced, open impeller blade design that ensures efficient cooling flow. The pump also features a heavy-duty, precision-machined shaft that minimizes vibration and ensures long-lasting performance.

The Cummins ISX15 3691304RX Water Pump comes with a thermostat housing that is integrated into the pump housing. This design simplifies installation and reduces the number of components required. The pump also includes a high-pressure water pump drive, which is designed to efficiently transmit power from the engine to the water pump.

The pump is engineered to meet the demanding requirements of heavy-duty applications. It is suitable for use in a wide range of temperatures and operating conditions. The pump is also backed by Cummins' industry-leading warranty, giving customers peace of mind and confidence in their investment.

Overall, the Cummins ISX15 3691304RX Water Pump is a high-quality, reliable, and durable component that is essential for maintaining optimal engine cooling performance in heavy-duty applications. Its robust design, efficient cooling flow, and integration of the thermostat housing simplify installation and reduce the number of components required. With its industry-leading warranty, customers can trust that they are making a smart investment in their equipment.

The Cummins ISX15 2531231 3691304RX water pump is a crucial component in the cooling system of Cummins ISX15 engines. Here are some pros and cons that may help you decide whether to purchase this water pump:

1. Durability: Cummins is known for manufacturing robust and long-lasting components, including water pumps. This water pump is designed to withstand the rigors of commercial use and heavy-duty applications.

2. OEM Quality: By purchasing an OEM (Original Equipment Manufacturer) water pump, you are guaranteed that the part is made to the same specifications as the original equipment that came with your engine. This can save you time and money in the long run by reducing the need for costly repairs or replacements of incorrectly sized or poorly made aftermarket parts.

3. Reliability: The Cummins ISX15 water pump is designed to provide reliable cooling performance, which is essential for the proper functioning of the engine. This can help prevent costly engine damage and downtime.

1. Cost: OEM water pumps can be more expensive than aftermarket alternatives. However, the increased cost may be offset by the durability, reliability, and peace of mind that comes with using a genuine Cummins part.

2. Availability: Depending on your location and the availability of parts from your dealer or distributor, it may take some time to receive the water pump. However, you can check with your dealer or distributor for estimated delivery times and plan accordingly.

In conclusion, the Cummins ISX15 2531231 3691304RX water pump is a high-quality, durable, and reliable component that is essential for the proper functioning of your engine. While the cost may be higher than aftermarket alternatives, the benefits of using an OEM part may outweigh the additional cost in the long run. If you are in need of a water pump for your Cummins ISX15 engine, it is recommended that you consider purchasing the OEM Cummins part to ensure optimal performance and peace of mind.

Details:

If not, let us know how to earn your 5-star rating. 3691304RX CUMMINS ISX15 WATER PUMP 3810507: 'USED REPLACES 3688384, 3688384NX, SUPERSEDED BY 5406048RX.

part #: 2531231 prices

• $82.85-$550.00

specifications coenginecooling:

• brand: Cummins
• mpn: 2531231
• part type: Pump
• casting : 3691303
• oem part number: 3691304rx

general coenginecooling:

• Commercial Truck Parts > Engine Cooling > Water Pumps Kits
• condition: Used

returns coenginecooling:

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

offer coenginecooling:

• availability: In Stock
• options: Ship-to-home
• quantity: 1
• sold: 0
• started: June 18, 2025

payments coenginecooling:

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

seller coenginecooling:

• # reviews: 7484
• city: Athens, GA
• rating: 95.0%

shipping coenginecooling:

• service: Flat Rate Freight
• transit: 15-21 Days
• type: Fixed
• cost: $0.00
• class: Freight

Cummins 2531231 Is Similar To:

• 0185-5433 Cummins Water Pump Assembly (43.7% similar) ...(March 28th, 2019)
• 020416300 Cummins Tvs Water Coolant Filter With Shutoff Valves Oem Genuine (27.4% similar) Cummins TVs water coolant filter with 2 shutoff valves oem genuine in good condition please see pictures...(January 31st, 2019)
• 0445020300 Cummins Isb High Performancer Fuel Pump (36% similar) Free flat rate shipping if offered is for the lower 48 us. Minor scuffs but a good working pull off part. Body parts all parts are sold with no guarantee on paint. Items are all cores and will most likely need to be refinished. If this is not the case, offer listing will state otherwise. 7l it is in...(November 16th, 2018)
• 10-13-509 Cummins International Water Pump Oem (43.8% similar) ...(November 6th, 2018)
• 1817892c1 Cummins International Water Pump Pulley Oem (40.8% similar) ...(November 6th, 2018)
• 181811 Pai Water Pump For Flat Faced Pulley Cummins Ref (28.6% similar) Includes: pump ref. 3 liter flat faced pulley. Alternative and other replacement reference part numbers: Cummins...(December 4th, 2018)
• 181821e Excel Water Pump For Cummins Ref (37.8% similar) Application: 3 hole flange mount - Cummins L10E, M11 ism series. Includes: gasket, and o-rings as pictured. New genuine excel water pump P/N 181821E...(March 26th, 2019)
• 181823 Pai Water Pump For Cummins (38.6% similar) Condition is new. Shipped with USPS parcel select ground. Water pump for a Cummins USB...(February 17th, 2019)
• 181868 Pai Water Pump For Cummins (38.6% similar) Includes: o-ring as pictured. 3l long nose large bearing...(October 9th, 2018)
• 181923 Pai Water Pump For Marine Cummins (35.6% similar) Includes: o-ring as pictured. 3l marine applications.: pump,water assay...(October 9th, 2018)
• 181936 Aftermarket Products To Fit Cummins Ism Water Pump Kit Oe (38.6% similar) See warranty at the end. Please with the following information to receive a quote: for Cummins engine family. For caterpillar engine family. Therefore colors may vary slightly from what you see on your screen and the item receive. If any question arise, please, don't doubt. Picture is generic. All ...(October 29th, 2018)