3683652 Cummins ISX Water Pump Kit Flushed Mount | PAI 181929 | JAK's Diesel

Genuine PAI 181929 Water Pump Kit for Cummins ISX engines. Flushed mount (plane EGR surface, NOT step mount). Replaces Cummins OEM 3683652 and 3684449. 100% USA-assembled and tested. Precision laser measured in 3D environment.

Engine Fitment

• Engine: Cummins ISX / X15 Series
• Mount Type: Flushed mount (plane EGR surface only — NOT compatible with step mount)

Note: Verify your engine has the flushed/plane EGR mount surface before ordering. Step-mount engines require a different water pump.

What's In The Kit

• 1 × 181929-100 Water Pump
• 1 × 121316 (3678724) O-Ring
• "Did You Remember" Label
• Water Pump Hang Tag

Product Attributes

• Color/Finish: Silver
• Gasket Included: No
• Install Hardware: Yes
• O-Rings: Yes

OEM Cross-Reference

Quality & Testing

PAI water pumps are precision machined and assembled to meet or exceed OEM specifications. Each unit is rigorously tested in high-temperature, high-stress environments for extreme reliability.

Warranty & Tier

• Tier: Genuine PAI
• Warranty: 2 Years, Unlimited Mileage
• Manufacturer: PAI Industries (100% USA-assembled)

Package & Shipping

• Weight: 41.26 lbs
• Package Size: 12" × 12" × 12"
• Drop-ships from PAI to your door