TRQ Radiator Coolant Reservoir Expansion Tank - Direct Fit Replacement

In this review of the TRQ radiator coolant reservoir expansion tank, the bottom line is simple: this is a straightforward, vehicle-specific replacement for owners of 1998-2004 Nissan Frontier and 2000-2004 Xterra models who need a reliable, OE-style coolant reservoir. The reviewer found it to be a direct fit for the listed L4 2.4L and V6 3.3L applications that do not use a low fluid sensor and highlights the tank's durability and easy installation as the single biggest reason to buy.

Key Features

• Direct Fit: Designed as an OE replacement so it installs without modification on compatible 1998-2004 Frontier and 2000-2004 Xterra models.
• Vehicle Specific: Fitment is specific to L4 2.4L and V6 3.3L engines without a low fluid sensor, reducing the chance of compatibility issues.
• Replacement Quality: Built to match the original reservoir's form and function to restore proper coolant recovery and system performance.
• Durable Construction: Customers report solid build quality and durability that hold up to routine engine bay conditions.
• Easy Installation: Many users note no modifications are required and the part installs quickly with basic hand tools.
• Reference Numbers: Includes reference numbers for cross-checking fitment and parts lookup to ensure correct replacement.

Who It's For

The TRQ coolant reservoir is best for owners of 1998-2004 Nissan Frontier and 2000-2004 Xterra who need an OE-style replacement and whose vehicles do not have a low fluid sensor. It suits DIYers and independent shops that want a direct-fit, quality part to restore coolant overflow function without extra adapters.

It is not intended for vehicles with a low fluid sensor or for models outside the listed years and engines; buyers with unclear fitment should check the vehicle-specific information in the listing or consult a parts specialist before ordering.

Pros & Cons

Pros

• Good fit and function on the specified Nissan Frontier and Xterra models, matching original mounting points.
• Positive feedback on build quality and durability, indicating a long-lasting replacement.
• Easy installation with no modifications for compatible vehicles, saving time and effort.
• Perceived value for money based on materials and fitment accuracy.

Cons

• Not compatible with vehicles that use a low fluid sensor, so it is not universal for all Frontier or Xterra trims.
• Some customers reported mixed opinions about screw hole alignment on certain vehicles, so careful fit verification is advised.

Specifications

Brand	TRQ
Fitment	1998-2004 Nissan Frontier L4 2.4L and 1999-04 V6 3.3L; 2000-04 Xterra L4 2.4L and V6 3.3L
Low Fluid Sensor	Compatible only with vehicles without low fluid sensor
Function	Engine coolant reservoir / overflow bottle
Replacement Type	OE replacement, direct fit
Reference Numbers	217108B400, 21710VN20A, 671-50215

Our Verdict

The TRQ radiator coolant reservoir is a practical, cost-effective replacement for the specified Nissan Frontier and Xterra models without a low fluid sensor. Its direct-fit design, solid build quality, and straightforward installation make it a sensible choice for DIYers and repair shops looking to restore proper coolant recovery without fuss.

Frequently Asked Questions

Will this reservoir fit my Frontier with a low fluid sensor?
It is specified for vehicles without a low fluid sensor, so it will not fit models that require that sensor.

Does the tank require modification to install?
For the compatible engine and year combinations it is a direct fit and typically installs without modification.

How can I confirm it fits my vehicle?
Check the listing fitment details against your model year and engine; reference numbers are provided to cross-check compatibility.