Nissan Altima Coolant Reservoir Tank 2002-2006 Replace 21710-8J000, Maxima 2002-2008 | BDFHYK
Regular price
$22.99
Product Detail
- Type Coolant Reservoir
- SKU BDDLZ-BD-05-07268
- OE Number
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BDFHYK 603-614 Nissan Altima Maxima Coolant Reservoir Quick Answer
If the coolant reservoir on your Nissan Altima or Nissan Maxima is cracked, leaking, yellowed, brittle, overflowing, or no longer holding coolant properly, this BDFHYK OE-style aftermarket coolant reservoir is a replacement option for the listed applications. Before ordering, compare 603-614, 21710-8J000, 217108J000, and NI3014105 with your original part, then check the tank shape, hose port layout, mounting points, cap area, and sensor connection if your original tank uses one.
BDFHYK 21710-8J000 Nissan Coolant Reservoir Overview
This BDFHYK coolant reservoir is used in the vehicle cooling system as an expansion reservoir and overflow tank for selected Nissan Altima and Nissan Maxima applications. A damaged reservoir can allow coolant to escape around the tank body, seam, hose connection, mounting area, or cap area. When inspection confirms the reservoir is the failed part, replacing it helps restore a proper coolant holding and recovery point in the cooling system.
- Brand: BDFHYK
- SKU: BDDLZ-BD-05-07268
- Product type: Coolant Reservoir
- OE / interchange numbers: 603-614, 21710-8J000, 217108J000, NI3014105
- Material: PP material
- Application: Selected Nissan Altima and Nissan Maxima models
- Replacement type: OE-style aftermarket replacement, not a Genuine OEM Nissan part
Nissan Altima Maxima Coolant Reservoir Fitment Check
This coolant reservoir is listed for selected Nissan Altima and Nissan Maxima applications. Use the fitment table as a starting point, then verify your vehicle year, model, engine if applicable, OE number, original tank shape, hose ports, mounting points, and connection layout before ordering.
| Year | Make | Model | Part Numbers to Compare |
|---|---|---|---|
| 2002-2006 | Nissan | Altima | 603-614, 21710-8J000, 217108J000, NI3014105 |
| 2002-2008 | Nissan | Maxima | 603-614, 21710-8J000, 217108J000, NI3014105 |
Nissan Altima Maxima Coolant Reservoir Leak and Failure Symptoms
This replacement should be considered when the original coolant reservoir is visibly damaged or confirmed as the source of coolant loss. Similar symptoms can also come from other cooling system parts, so the full system should be inspected before repair.
| Symptom | When This Reservoir May Help | Other Parts to Check |
|---|---|---|
| Coolant spots near the reservoir | The tank body, seam, hose port, or cap area may be leaking. | Hoses, clamps, cap, radiator, thermostat housing |
| Cracked, yellowed, or brittle tank | The original reservoir may be aged, split, stained, or weakened by heat cycles. | Mounting tabs, hose nipples, cap seat, nearby hose routing |
| Coolant reservoir empty after driving | The tank may not be holding coolant, but the leak source should be confirmed. | Radiator, water pump, hoses, clamps, trapped air |
| Coolant bubbling or boiling in the reservoir | The reservoir should be inspected for damage, but pressure or air issues may also be involved. | Pressure cap, thermostat, cooling fan, radiator, water pump |
| Coolant smell in the engine bay | Coolant residue around the reservoir or hose connection may indicate a leak. | Hoses, clamps, heater lines, radiator, nearby seals |
| Repeated coolant level drop | A leaking reservoir may be one cause, but a pressure test can help locate the source. | Cap condition, trapped air, radiator, thermostat, water pump |
Who This 603-614 Nissan Coolant Reservoir Is For
- Nissan Altima owners replacing a cracked, leaking, brittle, or stained original coolant reservoir.
- Nissan Maxima owners checking OE number 603-614, 21710-8J000, 217108J000, or NI3014105 before ordering a replacement tank.
- DIY users and repair shops servicing cooling system leaks, reservoir damage, or aged plastic tanks on listed applications.
- Drivers with repeated coolant loss who have confirmed the reservoir body, seam, hose port, or cap area as the leak source.
Where the 21710-8J000 Nissan Coolant Reservoir Is Used
The coolant reservoir is part of the engine cooling system. As coolant expands when the engine heats up, the reservoir provides a controlled area for overflow and recovery. When the engine cools, coolant can return as the system requires. On the listed Nissan applications, the replacement coolant reservoir should match the original tank shape, hose routing, and mounting layout before installation.
What Comes With This BDFHYK Nissan Coolant Reservoir
This listing is for one BDFHYK engine coolant reservoir / expansion reservoir / overflow tank replacement for the listed Nissan Altima and Nissan Maxima applications. Review the product images and compare your original reservoir before installation.
Compare This Nissan 603-614 Coolant Reservoir Before You Buy
| Check Before Ordering | Why It Matters |
|---|---|
| OE / interchange number | Compare 603-614, 21710-8J000, 217108J000, and NI3014105 with your original reservoir or fitment reference. |
| Vehicle year and model | This product is listed for selected Nissan Altima 2002-2006 and Nissan Maxima 2002-2008 applications. |
| Tank shape | The replacement coolant reservoir should match the original tank body and mounting design. |
| Hose port layout | Incorrect hose port position can prevent proper hose routing or installation. |
| Mounting tabs | Mismatched mounting points can affect tank position and installation. |
| Cap area and sensor connection | If your original reservoir uses a specific cap setup or sensor connection, compare that layout with the product images. |
Nissan Altima Maxima Coolant Reservoir Installation Notes
- Let the engine cool completely before working around the radiator, hoses, or coolant reservoir.
- Do not remove a hot radiator cap or coolant reservoir cap if the cooling system may be pressurized.
- Compare the original coolant reservoir with this replacement before installation, including OE number, tank shape, hose ports, mounting points, cap area, and sensor connection if present.
- Drain or recover coolant as required by the vehicle service procedure and local handling rules.
- Use the coolant type and mixture specified for the vehicle.
- After installation, refill the cooling system and bleed trapped air where the service procedure requires it.
- Inspect hoses, clamps, pressure cap, reservoir cap, radiator, thermostat, cooling fan operation, and water pump area during the repair.
- If the old reservoir failed because of pressure or overheating, diagnose the root cause before installing the new coolant reservoir.
- If the leak source is uncertain, a cooling system pressure test can help confirm whether the reservoir is the correct repair target.
BDFHYK Nissan Altima Maxima Coolant Reservoir OE-Style Replacement Notice
This BDFHYK coolant reservoir is an OE-style aftermarket replacement option for selected Nissan applications. It is not described as Genuine OEM, Official OEM, or factory original. Verify fitment, compare OE numbers, and inspect your original coolant reservoir before ordering.
Nissan Altima Coolant Reservoir Tank 2002-2006 Replace 21710-8J000, Maxima 2002-2008 | BDFHYK
Regular price
$22.99