PYHAUTO Coolant Reservoir Tank for 2007–2013 Silverado & 2007–2014 Tahoe/Sierra - Direct-Fit OEM Replacement with Cap

PYHAUTO replacement coolant reservoir tank is a direct-fit engine coolant expansion tank with cap engineered to restore cooling system fluid storage for 2007–2013 Chevrolet Silverado and 2007–2014 Tahoe/Sierra models.

This reservoir tank is built to match the original equipment geometry and hose connections so installation is straightforward. Molded from durable materials, it stores coolant, accommodates thermal expansion, and integrates with the vehicle’s overflow and return circuits. The part covers many OE numbers (603-054, 22870828, 15833723 and others), making it compatible with Silverado 1500, Sierra 1500, Suburban, Tahoe, Yukon and Escalade variants within the listed years.

Will this tank fit my 2007–2014 Chevrolet or GMC?

The PYHAUTO tank is designed to match factory fitment for the listed model years and common trim levels. Confirm fit by comparing OEM part numbers or visual mounting points on your vehicle before purchase. Installation typically uses existing brackets and hoses without modification.

• Compatible OE references: 603-054, 22870828, 15833723, 22797286, 13502353, 797286.
• Fitment: Silverado 1500, Sierra 1500, Suburban, Tahoe, Yukon, Escalade (2007–2014 ranges).
• Direct-fit design replicates original mounting points and hose inlets.

How easy is installation and what tools are needed?

Replacing the reservoir is a straightforward job for a home mechanic with basic tools. You’ll generally need pliers, a socket set, and a drain tray to catch residual coolant; no special calibration or programming is required after swap.

• Remove mounting bolts and disconnect hoses with pliers.
• Transfer any sensors or brackets from the old tank if needed.
• Refill coolant to the correct level and check for leaks after startup.

What are the construction and reliability features?

This tank is manufactured from heat-resistant plastic formulated for long-term coolant exposure and vibration resistance. It matches original shape and hose positions to reduce stress on connections and help prevent premature failure.

• High-quality molded plastic resists cracking and warping under heat cycles.
• Includes cap and standard inlet/outlet port locations for OEM compatibility.
• Backed by a 1-year warranty for basic coverage and peace of mind.

What should I check after installing the new reservoir?

After installation, run the engine to normal operating temperature and inspect for leaks around hose clamps and mounting points. Monitor coolant level as the system bleeds air; top up to the specified mark once settled.

• Verify proper hose seating and tightness of clamps.
• Check cap seating to ensure pressure integrity.
• Reinspect after a short test drive to confirm no seepage or coolant loss.

Who is this for: This PYHAUTO coolant reservoir tank is intended for owners and mechanics replacing a cracked, leaking, or discolored coolant expansion tank on Chevrolet Silverado, GMC Sierra, Tahoe, Yukon, Suburban or Escalade models from the 2007–2014 years. It’s a practical choice for DIY repairs, fleet maintenance, or shops that require a reliable, OEM-style replacement with verified compatibility and a manufacturer warranty.