Caterpillar C15 3520211 Remanufactured Water Pump

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Caterpillar C15 3520211 Remanufactured Water Pump

Original price was: $420.00.Current price is: $310.00.

  • Manufacturer: Caterpillar
  • Remanufacturer: Turbo Kings
  • Cleaning Process: Aqueous hot-tank wash using heated alkaline detergent to remove scale, coolant residue, and oil buildup
  • Housing Prep: Media-polished and visually inspected for corrosion, pitting, or cavitation wear
  • Shaft & Bearings: Replaced with new OEM-spec precision bearings and balanced shaft assembly
  • Seal System: New high-temperature ceramic mechanical seal — isolates coolant from the oil cavity to prevent cross-contamination
  • Impeller Restoration: Inspected, reconditioned, and balanced for smooth, consistent coolant flow
  • Pressure Test: Leak-checked and spin-tested for seal integrity and bearing performance under load
  • Gasket: Included w/ Purchase
  • Warranty: 6 Months w/ Unlimited Mileage
  • Core Charge: $100
*Note: Core charge is a deposit. When the core is returned, the amount is refunded.
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Precision Remanufacturing

This Turbo Kings remanufactured C15 water pump is engineered to restore the cooling efficiency and thermal stability demanded by Caterpillar 15-liter platforms. Every core undergoes full disassembly and inspection before being processed through our multi-stage cleaning workflow, including abrasive-free media treatment and precision surface conditioning. All sealing surfaces are re-machined to OE geometry, maintaining parallelism, flatness, and housing alignment to ensure leak-free operation once installed.

The impeller, bearing assembly, and shaft components are replaced with new, heavy-duty equivalents that meet or exceed Caterpillar OE specifications. Rotating mass is balanced to prevent vibration under high-load operation, especially in high-mileage engines or units operating under heavy-duty cycles. Internal galleries are cleaned and reconditioned to restore proper coolant flow rate and eliminate sediment buildup left from prior service hours.


Seal Integrity and Flow Efficiency

The C15 cooling system requires a pump that can sustain long-term reliability under extreme temperatures. Turbo Kings achieves this through upgraded mechanical seal assemblies, designed to maintain consistent axial load and prevent premature leakage. Bearings are fitted using controlled-press techniques to maintain true concentricity and avoid shaft wobble, which is a leading cause of early seal failures in inferior rebuilds.

Impeller-to-housing clearance is restored to OE specification, ensuring proper coolant velocity and eliminating cavitation hotspots. Each completed unit is coolant-flow tested to validate volume output and pressure stability across a full RPM sweep, replicating real-world operating conditions.


What Makes Turbo Kings Different

Turbo Kings’ remanufacturing workflow prioritizes repeatability and OE-level accuracy. Every pump is rebuilt with new rotating components, new seals, and new fasteners. Housings are blast-cleaned, inspected for microfractures, and refinished with industrial-grade coatings where applicable. All threaded ports are chased and restored to ensure installers encounter no resistance or mismatch during assembly.

We do not reuse worn bearings, fatigued seals, or compromised hardware. Each pump receives a dedicated inspection sign-off before being packaged, guaranteeing consistency across every batch.


Our Process at a Glance

  • Complete teardown and contamination removal

  • Dimensional verification of all housing surfaces

  • Replacement of all seals, bearings, and shaft assemblies

  • Impeller balancing and clearance restoration

  • Coolant-flow and pressure verification

  • Final quality and visual inspection


Why Fleets and Owner-Operators Trust Turbo Kings

Fleets rely on the C15 platform for its durability and long service life, and our remanufactured water pump supports these expectations by providing stable cooling, improved reliability, and predictable maintenance intervals. Whether the truck operates in long-haul, vocational, or mixed-duty environments, a Turbo Kings pump ensures restored performance and reduced downtime.

Each unit is packaged with shop-ready protection and is prepared for immediate installation, minimizing vehicle turnaround time.