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Cummins
181857A Cummins Water Pump Repair Kit
Commercial diesel water pump repair kit. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$86.83$95.12
Save $8.29
In stock — ships same day
PAI Part #181857A
JAK'S Part #JAKS-181857A
Included Components
What’s In This Kit
Browse 7 included components with current product details and availability.
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181845Cat / Caterpillar WATER PUMP SEAL AND SEAT ASSEMBLY In stock -
ESR-2831Mack RING (Pack of 10) In stock -
042063Cummins External Retaining Ring In stock -
136080Cummins SEAL In stock -
181874ACummins WATER PUMP IMPELLER In stock -
121305O-RING (Pack of 5) In stock -
121277Cummins O-Ring 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 | Water Pump Service Parts |
| Sub-Type | Water Pump Component |
| Engine Make | Cummins |
| Condition | New |
| Stage / Tier | Standard |
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Cummins
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.