HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-758 Engine Coolant Reservoir Mounting Plate
Part #: 603-758

Dorman 603-758 Engine Coolant Reservoir Mounting Plate

N/A
⚙️ 55 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$66.20Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, Z4, 325Ci, 330Ci, 320i, 325i, 325xi, 330i, 330xi, 323Ci, 323i, 328Ci, and 328i
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman Engine Coolant Reservoir Mounting Plate

The Dorman 603-758 engine coolant reservoir mounting plate is designed to provide secure support for the coolant reservoir in select BMW models. Constructed from durable black plastic, this mounting bracket ensures proper positioning and stability of the reservoir to maintain optimal engine cooling system performance.

  • Made from sturdy black plastic material for durability
  • Measures 18.625 inches in length and 8.313 inches in width
  • Features 3 mounting holes for secure installation
  • Compatible with multiple BMW models including 320i, 323Ci, 325i, 328i, 330i, and Z4
  • Includes one reservoir mounting bracket per package

Detailed Product Description

This engine coolant reservoir mounting plate by Dorman is engineered to fit a range of BMW vehicles such as the 320i, 323Ci, 325i, 328i, 330i, and Z4 models. The black plastic construction offers resistance to corrosion and wear, ensuring long-lasting support for the coolant reservoir. With dimensions of 18.625 inches in length and 8.313 inches in width, the mounting plate provides a precise fit. The three mounting holes allow for secure attachment, preventing movement or vibration that could compromise the coolant system.

Compatible BMW Models and Common Applications

  • BMW 320i, 323Ci, 323i
  • BMW 325Ci, 325i, 325xi
  • BMW 328Ci, 328i
  • BMW 330Ci, 330i, 330xi
  • BMW Z4

This mounting plate is essential for maintaining the correct positioning of the engine coolant reservoir, which helps prevent leaks and overheating issues.

Installation Notes and Tips

  • Ensure the mounting surface is clean and free of debris before installation
  • Use the three mounting holes to securely fasten the bracket with appropriate hardware
  • Verify proper alignment of the coolant reservoir to avoid stress on hoses and connectors
  • Check for any signs of wear or damage on the reservoir and surrounding components during installation

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-758 engine coolant reservoir mounting plate undergoes quality inspections to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.

BrandDorman
Part Number603-758
ColorBlack
Cooling Connector IncludedNo
Length18.625
MaterialPlastic
Mounting Hole Quantity3
Package Contents1 Reservoir Mounting Bracket
Width8.313

This part fits 55 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2008BMWZ4Automatic2.5LL6N/A
2008BMWZ4Automatic3.0LL6N/A
2007BMWZ4Automatic2.5LL6N/A
2007BMWZ4Automatic3.0LL6N/A
2006BMW325CiAutomatic2.5LL6N/A
2006BMW330CiAutomatic3.0LL6N/A
2006BMWZ4Automatic2.5LL6N/A
2006BMWZ4Automatic3.0LL6N/A
2005BMW320iAutomatic2.2LL6N/A
2005BMW325CiAutomatic2.5LL6N/A
2005BMW325iAutomatic2.5LL6N/A
2005BMW325xiAutomatic2.5LL6N/A
2005BMW330CiAutomatic3.0LL6N/A
2005BMW330iAutomatic3.0LL6N/A
2005BMW330xiAutomatic3.0LL6N/A
2005BMWZ4Automatic2.5LL6N/A
2005BMWZ4Automatic3.0LL6N/A
2004BMW320iAutomatic2.2LL6N/A
2004BMW325CiAutomatic2.5LL6N/A
2004BMW325iAutomatic2.5LL6N/A
2004BMW325xiAutomatic2.5LL6N/A
2004BMW330CiAutomatic3.0LL6N/A
2004BMW330iAutomatic3.0LL6N/A
2004BMW330xiAutomatic3.0LL6N/A
2004BMWZ4Automatic2.5LL6N/A
2004BMWZ4Automatic3.0LL6N/A
2003BMW320iAutomatic2.2LL6N/A
2003BMW325CiAutomatic2.5LL6N/A
2003BMW325iAutomatic2.5LL6N/A
2003BMW325xiAutomatic2.5LL6N/A
2003BMW330CiAutomatic3.0LL6N/A
2003BMW330iAutomatic3.0LL6N/A
2003BMW330xiAutomatic3.0LL6N/A
2003BMWZ4Automatic2.5LL6N/A
2003BMWZ4Automatic3.0LL6N/A
2002BMW320iAutomatic2.2LL6N/A
2002BMW325CiAutomatic2.5LL6N/A
2002BMW325iAutomatic2.5LL6N/A
2002BMW325xiAutomatic2.5LL6N/A
2002BMW330CiAutomatic3.0LL6N/A
2002BMW330iAutomatic3.0LL6N/A
2002BMW330xiAutomatic3.0LL6N/A
2001BMW320iAutomatic2.2LL6N/A
2001BMW325CiAutomatic2.5LL6N/A
2001BMW325iAutomatic2.5LL6N/A
2001BMW325xiAutomatic2.5LL6N/A
2001BMW330CiAutomatic3.0LL6N/A
2001BMW330iAutomatic3.0LL6N/A
2001BMW330xiAutomatic3.0LL6N/A
2000BMW323CiAutomatic2.5LL6N/A
2000BMW323iAutomatic2.5LL6N/A
2000BMW328CiAutomatic2.8LL6N/A
2000BMW328iAutomatic2.8LL6N/A
1999BMW323iAutomatic2.5LL6N/A
1999BMW328iAutomatic2.8LL6N/A

* 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:

17111436251EPP0149

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