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Caterpillar · Models: 3306
381818 Caterpillar 3306 Water Pump Assembly
Commercial diesel water pump assembly. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$340.53$373.04
Save $32.51
In stock — ships same day
8 available
PAI Part #381818
JAK'S Part #JAKS-381818
Included Components
What’s In This Kit
Browse 1 included components with current product details and availability.
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331734Caterpillar 3306 Installation Gasket Kit In stock - No included components match that search.
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Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Part Category | Water Pumps |
| Sub-Type | Water Pump |
| Engine Make | Caterpillar |
| Engine Model | 3306 |
| Condition | New |
| Stage / Tier | Standard |
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Caterpillar 3306
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.