Dorman 54246 Engine Coolant Recovery Tank Cap

The Dorman 54246 is a direct-replacement engine coolant recovery tank cap engineered to restore a secure, leak-free seal to the coolant reservoir. Reverse-engineered from the original equipment, this cap matches OEM dimensions and attachment style precisely, eliminating the guesswork of finding an exact fit.

Key Features:

• Direct OEM Replacement: Reverse-engineered to match the original cap's dimensions and fit exactly
• Flip-Top Design: Integrated hinged lid provides easy one-hand access when checking or topping off coolant levels
• Snap-On Attachment: Secures firmly to the reservoir neck without tools — simply press until it clicks into place
• Non-Vented Design: Matches original equipment specifications with no pressure release lever
• Durable Construction: Made from high-quality black plastic built to withstand underhood heat and coolant exposure
• 42mm Diameter: Precisely sized at 42 mm to ensure a snug, rattle-free fit on the reservoir neck

The Dorman 54246 coolant reservoir cap is an affordable, reliable solution to replace a cracked, warped, or missing original cap. Preventing coolant evaporation and contamination, this cap helps maintain proper cooling system function. Installation requires no special tools — clean the reservoir neck, align the cap, and press firmly to snap into place.