HomeBelts and Cooling > Hardware, Fasteners and FittingsStant 10258 Engine Coolant Reservoir Cap
Part #: 10258

Stant 10258 Engine Coolant Reservoir Cap

OE Type Reservoir Cap
⚙️ 20 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Type Reservoir Cap
🚗Fitment: Mercedes-Benz, ML350, ML500, ML320, ML55 AMG, and ML430
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of the Stant OE Type Reservoir Cap 10258

The Stant OE Type Reservoir Cap 10258 is designed specifically for select Mercedes-Benz models, including the ML55 AMG, ML320, ML350, ML430, and ML500. This engine coolant reservoir cap maintains proper pressure within the cooling system to ensure optimal engine performance and reliability.

  • Pressure rating of 20 psi for consistent coolant system pressure
  • Compatible with Mercedes-Benz ML55 AMG, ML320, ML350, ML430, and ML500 models
  • Part number 10258 for precise identification and fitment
  • Manufactured by Stant, a trusted brand in automotive cooling components
  • Belongs to the OE Type Reservoir Cap product line, designed to meet original equipment specifications

Detailed Product Description

The Stant OE Type Reservoir Cap 10258 is engineered to maintain a pressure rating of 20 psi, which is critical for the proper operation of the engine coolant system in Mercedes-Benz vehicles. By holding the correct pressure, this reservoir cap helps prevent coolant loss and overheating, ensuring the engine runs within safe temperature limits. The cap is designed to fit the coolant reservoir of Mercedes-Benz ML55 AMG, ML320, ML350, ML430, and ML500 models, providing a reliable seal and pressure control.

The OE Type Reservoir Cap product line from Stant focuses on delivering components that meet or exceed original equipment standards. This ensures that the reservoir cap performs reliably under the demanding conditions of engine cooling systems, maintaining system integrity and preventing leaks or pressure drops.

Common Applications and Issues Addressed

  • Maintains proper coolant system pressure to prevent overheating
  • Prevents coolant leaks from the reservoir
  • Ensures consistent engine temperature regulation
  • Replaces worn or damaged reservoir caps in Mercedes-Benz ML series vehicles
  • Helps avoid engine damage caused by coolant system failure

Installation Notes and Tips

  • Ensure the engine is cool before removing the old reservoir cap to avoid injury
  • Clean the reservoir neck to ensure a proper seal with the new cap
  • Align the cap properly and tighten until it clicks or seats firmly
  • Check for leaks after installation by running the engine and inspecting the reservoir area

Quality Assurance and Warranty

Stant manufactures the OE Type Reservoir Cap 10258 to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details are not provided, Stant products typically adhere to industry standards for automotive replacement parts, offering confidence in fit and function for Mercedes-Benz ML55 AMG, ML320, ML350, ML430, and ML500 vehicles.

BrandStant
Part Number10258
PositionOE Type Reservoir Cap
Freight Class85
Pressure Rating (PSI)20 psi

This part fits 20 vehicles. Search below:

YearMakeModelPositionNotes
2005Mercedes-BenzML350N/APressure Rating 20 psi; OE Type Reservoir Cap
2005Mercedes-BenzML500N/APressure Rating 20 psi; OE Type Reservoir Cap
2004Mercedes-BenzML350N/APressure Rating 20 psi; OE Type Reservoir Cap
2004Mercedes-BenzML500N/APressure Rating 20 psi; OE Type Reservoir Cap
2003Mercedes-BenzML320N/APressure Rating 20 psi; OE Type Reservoir Cap
2003Mercedes-BenzML350N/APressure Rating 20 psi; OE Type Reservoir Cap
2003Mercedes-BenzML500N/APressure Rating 20 psi; OE Type Reservoir Cap
2003Mercedes-BenzML55 AMGN/APressure Rating 20 psi; OE Type Reservoir Cap
2002Mercedes-BenzML320N/APressure Rating 20 psi; OE Type Reservoir Cap
2002Mercedes-BenzML500N/APressure Rating 20 psi; OE Type Reservoir Cap
2002Mercedes-BenzML55 AMGN/APressure Rating 20 psi; OE Type Reservoir Cap
2001Mercedes-BenzML320N/APressure Rating 20 psi; OE Type Reservoir Cap
2001Mercedes-BenzML430N/APressure Rating 20 psi; OE Type Reservoir Cap
2001Mercedes-BenzML55 AMGN/APressure Rating 20 psi; OE Type Reservoir Cap
2000Mercedes-BenzML320N/APressure Rating 20 psi; OE Type Reservoir Cap
2000Mercedes-BenzML430N/APressure Rating 20 psi; OE Type Reservoir Cap
2000Mercedes-BenzML55 AMGN/APressure Rating 20 psi; OE Type Reservoir Cap
1999Mercedes-BenzML320N/APressure Rating 20 psi; OE Type Reservoir Cap
1999Mercedes-BenzML430N/APressure Rating 20 psi; OE Type Reservoir Cap
1998Mercedes-BenzML320N/APressure Rating 20 psi; OE Type Reservoir Cap

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.