Shopping for: Confirm the part against your engine serial number and application before ordering.
Change engine
Cummins · Models: ISL
181937 Cummins ISL Water Pump Kit
Commercial diesel cooling. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$428.99$847.93
Save $418.94
In stock — ships same day
21 available
PAI Part #181937
JAK'S Part #JAKS-181937
Included Components
What’s In This Kit
Browse 6 included components with current product details and availability.
-
121292Caterpillar 3176 / C10 / C13 O-Ring In stock -
121290Cummins O-Ring In stock -
040052Cummins Screw In stock -
121305O-RING (Pack of 5) In stock -
131565CONNECTION GASKET (Pack of 5) In stock -
BGA-3007Mack TRDL/TRDLG-107,1070 TRANSMISSION 10-7 SPEED O-RING (Pack of 10) In stock - No included components match that search.
Complete The Rebuild
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Part Category | Cooling |
| Sub-Type | Water Pump |
| Engine Make | Cummins |
| Engine Model | ISL |
| Condition | New |
| Stage / Tier | Standard |
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Cummins ISL
Most PAI parts carry a 2-year unlimited-mileage PAI warranty — 3 years on the High Performance tier, 1 year on Excel by PAI. See Warranty & Returns for full coverage terms, or call a specialist to confirm the exact coverage on this part.
PAI published warranty tiers: High Performance — 3-Year · Genuine PAI — 2-Year · Excel — 1-Year, unlimited mileage. The badge beside the price shows this product's recorded term; when no badge is shown, confirm coverage with a specialist.