Details

• Brand:

  

• SKU:

  13049-AR000

• Positions: Upper
• Other Names:

  Coolant Inlet, Thermostat Inlet Housing, Engine Water Entry Pipe

• Description:

  Water Inlet (13049-AR000) – OEM Replacement Part for Nissan

  Genuine Nissan Engine Water Inlet

  If your vehicle is showing coolant leaks near the thermostat area, corrosion around the inlet pipe, or unstable engine temperature, the Genuine Nissan Water Inlet (13049-AR000) restores the proper coolant entry path into the engine. This OEM inlet is engineered to withstand high heat cycles, coolant pressure, and long-term corrosion common in Nissan truck and SUV cooling systems.

  Most OEM Nissan parts ship within 1–3 business days from our certified Nissan warehouse.

  Specifications

  Part Type: Engine Water Inlet
  Category: Genuine Nissan OEM
  Material: Cast aluminum with machined sealing surfaces
  Function: Directs coolant from the radiator into the engine block; mates with thermostat assembly
  Includes: Water inlet housing only (gasket or thermostat not included)

  Compatible Nissan Models

  This Genuine Nissan water inlet fits:

  Nissan Armada

  • 2003–2015 Armada (TA60US)

  Nissan NV / NV3500

  • 2011–2021 NV (F80US)
  • 2012–2021 NV3500 (WF80US)

  Nissan Pathfinder

  • 2004–2012 Pathfinder (R51US)

  Nissan Titan

  • 2003–2015 Titan (A60US)

  Fitment may vary by engine configuration and production date.
  Check compatibility here by entering your VIN: https://parts.chapmannissan.com

  Key Features

  • Precision-cast OEM aluminum housing for long-term durability
  • Machined to Nissan factory tolerances for proper sealing and alignment
  • Restores correct coolant flow path and engine temperature control
  • Corrosion-resistant design for extended service life
  • Engineered specifically for Nissan V8 truck/SUV cooling systems

  Failing to Replace a Damaged Water Inlet Can Lead To

  Coolant leaks: Can rapidly lead to overheating or engine damage
  Improper thermostat sealing: Misalignment may cause erratic temperature control
  Corrosion buildup: Can restrict coolant flow and reduce efficiency
  Overheating risk: Poor coolant entry can damage head gaskets or cylinder heads
  Air pockets in the system: Can strain the water pump and reduce heater output

  Related Components to Inspect or Replace

  Thermostat (21200-1LA1A) – Ensures proper coolant temperature regulation
  Thermostat Housing (11061-7S000) – Check for warping or corrosion
  Radiator Hoses – Replace if swollen, brittle, or leaking
  Radiator Cap – Maintains proper system pressure
  Engine Coolant – Flush contaminated or aged coolant

  Order with Confidence

  Choose the Genuine Nissan Water Inlet (13049-AR000) to restore proper coolant routing and ensure stable engine temperatures. For pricing and availability, visit parts.chapmannissan.com.

  Restore Your Nissan with Genuine Accessories

  Shop Nissan-designed accessories such as all-weather mats, towing equipment, cargo solutions, and protective upgrades — all available through Chapman Nissan.

  Why Buy OEM Nissan Parts from Chapman Nissan?

  Genuine Nissan cooling-system components are engineered for the exact flow characteristics, sealing requirements, and durability your engine needs. Aftermarket inlets may warp, corrode, or misalign, leading to leaks or overheating.

  Fast, secure shipping from a certified Nissan dealer
  VIN verification available for accurate fitment
  Trusted nationwide by Nissan truck, van, and SUV owners

  Cooling System FAQ

  Q: Will this fix a leak near the thermostat area?
  A: Yes — if the leak originates from a corroded or damaged inlet, this replacement corrects it.

  Q: Does this include the gasket?
  A: Gasket requirements vary; some applications require a separate seal.

  Q: Should I replace the thermostat at the same time?
  A: Recommended, since both components share the same sealing surface.

  Q: Is this compatibility the same for Titan and Armada V8 engines?
  A: Yes — this inlet is engineered for the shared cooling architecture across these platforms.

  TITAN. 2012-16. Nv full size Van. 5.6L.

• Condition: New
• Applications: 5.6L 2012-2016.

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