Stant 10246 Engine Coolant Reservoir Cap

OE Type Reservoir Cap for Closed Cooling Systems

The Stant 10246 is an OE Type Reservoir Cap for threaded filler neck applications on closed cooling systems. It is built from durable plastic and is specified at 20 psi pressure rating for consistent coolant system sealing.

Use this Stant reservoir cap when you need a direct-fit coolant cap for a threaded reservoir neck on select BMW and Land Rover applications. The 10246 is a practical replacement for vehicles that require a 20 psi engine coolant reservoir cap.

Key Features

• OE Type Reservoir Cap for threaded filler neck designs
• 20 psi pressure rating for closed cooling systems
• Durable plastic construction
• Engine coolant reservoir cap for select BMW and Land Rover vehicles
• Stant 10246 part number for catalog matching and fitment lookup

Detailed Product Information

Stant 10246 is an OE-style engine coolant reservoir cap built for closed-system cooling setups that use a threaded filler neck. The 20 psi rating helps maintain the pressure level specified for the application, while the durable plastic body supports everyday service use. This part is listed for select BMW 318i, 325i, 325is, 325iX, 325e, 325es, 318is, and 535i models, as well as Land Rover Range Rover and Discovery applications. If you are searching for a BMW coolant reservoir cap or a Land Rover coolant reservoir cap, the 10246 is the catalog reference to verify.

This part cross-references no additional part numbers in the provided data.

What It Helps Address

• Coolant loss from a worn or damaged reservoir cap
• Pressure retention issues in a closed cooling system
• Improper sealing at a threaded filler neck
• Cooling system warning symptoms tied to cap failure
• Replacement needs for a 20 psi engine coolant reservoir cap

Installation Notes and Tips

Confirm the reservoir uses a threaded filler neck and verify the required pressure rating before installation. Match the cap to the vehicle application and inspect the sealing surface and neck threads for wear, cracks, or contamination before fitting the new cap. For fitment-based searches, this part is listed for Fits 1996-2005 Land Rover Range Rover, N/A; Fits 1999-2004 Land Rover Discovery, N/A; Fits 1989-1993 BMW 535i, N/A; Fits 1991-1992 BMW 318i, N/A; Fits 1987-1992 BMW 325i, N/A; Fits 1991 BMW 318is, N/A; Fits 1987-1991 BMW 325is, N/A; Fits 1988-1991 BMW 325iX, N/A; Fits 1986-1987 BMW 325e, N/A; Fits 1986-1987 BMW 325es, N/A.

Quality Assurance

Stant supplies OE Type Reservoir Cap products for cooling system service, and this 10246 cap is specified with a 20 psi pressure rating for the listed applications. Verify vehicle fitment and system requirements against the original cap before installation.