HomeBelts and Cooling > Hardware, Fasteners and FittingsDorman 54235 Engine Coolant Reservoir Cap
Part #: 54235

Dorman 54235 Engine Coolant Reservoir Cap

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⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, 323
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Overview of Dorman Engine Coolant Reservoir Cap 54235

The Dorman Engine Coolant Reservoir Cap 54235 is designed specifically for Mazda 323 models, providing a reliable seal for the coolant reservoir. This white plastic cap features a flip top design with a snap-on attachment, ensuring easy installation and secure fitment.

  • Material: Durable plastic construction
  • Diameter: 38 mm for precise fit
  • Color: White finish
  • Attachment Type: Snap on for quick installation
  • Type: Flip top cap design
  • Non-vented and non-pressurized
  • Dimensions: 1.5 inches length and width
  • Package includes one coolant reservoir cap

Detailed Product Description

The Dorman 54235 engine coolant reservoir cap is engineered to meet the specifications required for the Mazda 323 coolant system. Made from sturdy plastic, this cap offers a secure seal without venting or pressure release features, suitable for non-pressurized coolant reservoirs. The flip top design allows for convenient access when checking or refilling coolant, while the snap-on attachment ensures the cap stays firmly in place during vehicle operation. Its 38 mm diameter and compact 1.5 inch by 1.5 inch dimensions make it an exact replacement part for compatible Mazda 323 models.

Common Applications and Problem Solving

  • Prevents coolant leaks from the reservoir
  • Maintains proper coolant system sealing
  • Replaces worn or damaged reservoir caps
  • Helps avoid engine overheating due to coolant loss
  • Ensures secure fitment on Mazda 323 coolant tanks

Installation Notes and Tips

  • Ensure the reservoir neck is clean before installation
  • Align the cap properly before snapping it into place
  • Do not force the cap if it does not fit easily; verify part number 54235 compatibility
  • Check for any cracks or damage on the reservoir neck that may affect sealing

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 54235 engine coolant reservoir cap undergoes quality checks 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 Number54235
Attachment TypeSnap On
ColorWhite
Diameter38
Length (In)1.5 in
MaterialPlastic
Package Contents1 Coolant Cap
Pressure Release LeverNo
PressurizedNo
TypeFlip Top
VentedNo
Width (in)1.5 in

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
1989Mazda323N/APackaging Type: Bag
1988Mazda323N/APackaging Type: Bag
1987Mazda323N/APackaging Type: Bag
1986Mazda323N/APackaging Type: Bag

* 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:

E5D315245A

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