HomeBelts and Cooling > Hardware, Fasteners and FittingsDorman 902-5102CD Engine Coolant Reservoir Cap
Part #: 902-5102CD

Dorman 902-5102CD Engine Coolant Reservoir Cap

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Reliable Engine Coolant Reservoir Cap for Various Vehicles

The Dorman 902-5102CD engine coolant reservoir cap is designed to maintain proper pressure in your vehicle's cooling system. Made from durable black plastic, this twist-on cap ensures a secure fit and helps prevent coolant leaks in compatible makes and models.

  • Constructed from durable black plastic for corrosion resistance
  • Measures 76.2 mm in diameter for precise fitment
  • Rated for a maximum pressure of 15 psi to maintain system integrity
  • Twist-on attachment type for easy installation and removal
  • Pressurized design without vent or pressure release lever
  • Compact size: 3 inches length and 1.5 inches width
  • Includes one engine coolant reservoir cap per package

Product Details and Specifications

The Dorman 902-5102CD engine coolant reservoir cap is engineered to meet the specifications required for maintaining optimal pressure in the cooling system. Its 76.2 mm diameter and twist-on design provide a secure seal to prevent coolant loss and overheating. The cap is pressurized up to 15 psi, which helps the cooling system operate efficiently under normal driving conditions. The absence of a vent or pressure release lever means it is designed for systems that rely on a sealed, pressurized environment. Its black plastic construction offers resistance to heat and corrosion, contributing to long-term durability.

Compatible Vehicles and Common Applications

This engine coolant reservoir cap is compatible with a range of vehicles that require a 76.2 mm diameter, 15 psi rated, twist-on coolant cap. It is commonly used in various Ford, Chevrolet, and Dodge models where a pressurized, non-vented coolant reservoir cap is specified. Always verify fitment with your vehicle’s service manual or parts guide before purchase.

  • Prevents coolant leaks and maintains system pressure
  • Helps avoid engine overheating due to coolant loss
  • Replaces worn or damaged reservoir caps to restore cooling system function
  • Eliminates coolant contamination by sealing the reservoir
  • Supports proper coolant flow and pressure regulation

Installation Notes and Tips

Installation of the Dorman 902-5102CD is straightforward due to its twist-on design. Ensure the old cap is fully removed and inspect the reservoir neck for damage or debris before installing the new cap. Align the cap properly and twist until it is securely seated to maintain the pressurized seal. Avoid overtightening to prevent damage to the cap or reservoir.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-5102CD engine coolant reservoir cap undergoes quality checks to ensure durability and performance. While specific warranty details are not provided, Dorman typically offers limited warranties on their replacement parts. Consult product documentation or the manufacturer for exact warranty terms.

BrandDorman
Part Number902-5102CD
MaterialPlastic
Diameter76.2
Maximum Pressure Rating15
ColorBlack
Attachment TypeTwist on
TypeTwist
Pressure Release LeverNo
VentedNo
PressurizedYes
Length (In)3 in
Package Contents1 coolant tank cap
Width (in)1.5 in

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* 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:

3578833C24C4Z8100B572.2006

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