Engine Coolant Overflow Recovery Reservoir Tank with Sensor & Cap

In this review the Engine Coolant Overflow Recovery Reservoir Tank with Sensor & Cap is evaluated as a direct replacement for late 1990s to mid 2000s GM full-size trucks and SUVs. The bottom line: this tank is for owners who need a straightforward, OE-style coolant reservoir that includes a cap and sensor for a nearly plug-and-play swap. It most appeals to DIY mechanics and repair shops wanting a complete part that matches factory fitment for models such as Silverado, Sierra, Suburban, Tahoe, Yukon and Escalade.

Key Features

• Complete replacement: Comes with the coolant reservoir, cap and sensor so installers do not need to source additional parts for a typical repair.
• Wide vehicle coverage: Fits many GM platforms from 1999 to 2007, making it useful for mixed fleets or owners with common model years.
• Direct fit: Designed to fit and function like original equipment for a trouble-free installation and correct coolant recovery operation.
• Interchangeable part numbers: Cross-references common OE numbers so it is easier to verify compatibility when ordering a replacement.
• Limited warranty: Backed by a 36-month warranty from the brand, providing added confidence in the purchase for typical ownership.

Who It's For

This reservoir is aimed at owners of Chevrolet, GMC, Cadillac and Hummer models listed in the fitment who want a like-for-like replacement without hunting down a separate cap or sensor. It is also useful for independent shops that perform routine coolant system repairs and need a part that is ready to install.

Those who should look elsewhere include buyers who require an upgraded performance tank or a custom mounting solution; this part is intended as an OE-style replacement rather than a modified or reinforced unit. If long-term durability under extreme off-road conditions is a primary concern, consider a heavy-duty aftermarket option.

Pros & Cons

Pros

• Complete kit arrives with cap and sensor, reducing installation steps and parts mismatch risk.
• Good fit for a wide range of GM trucks and SUVs from 1999 to 2007, simplifying compatibility for many owners.
• Easy installation and appearance match that customers described as OEM-like and attractive under the hood.
• 36-month warranty included, which covers defects and domestic return postage at the brand level.

Cons

• Reports of occasional leakage and a cracked top feed tube mean quality control can be inconsistent between units.
• Not a performance or heavy-duty upgrade, so those seeking reinforced materials or custom vents should look at specialty suppliers.

Specifications

Brand	BRTEC
Included parts	Coolant reservoir with cap and sensor
Vehicle fitment	Select Chevrolet, GMC, Cadillac and Hummer models 1999-2007
Interchange numbers	603102; 778386; FRT1202C; FRT1521C; RC98; SK603054; 15075118; 15203949; 15778386; 15778387; 15808715; 15808716; 19353731
Warranty	36-month limited warranty with brand-covered domestic postage
Fit type	Direct replacement, OEM-style

Our Verdict

The BRTEC Engine Coolant Recovery Reservoir is a sensible, value-oriented replacement for owners of compatible GM trucks and SUVs who want an OE-style unit that includes cap and sensor. It offers strong fitment coverage and an extended warranty, making it a practical choice for most routine repairs; buyers should inspect for tubing integrity on arrival and consider alternatives if they need heavy-duty reinforcement.

Frequently Asked Questions

Will this tank fit my 2003 Chevrolet Suburban?
Yes, the reservoir lists fitment for Chevrolet Suburban 1500 and 2500 from 2000 to 2006, so a 2003 Suburban in those categories is covered.

Does the part include the pressure cap and level sensor?
Yes, the unit ships complete with the coolant reservoir, cap and sensor for a ready-to-install replacement.

What if I receive a leaking tank?
The product is backed by a 36-month warranty and the brand covers domestic postage for returns related to defects, so contact the seller for warranty service.