Dorman
Dorman 54218 Coolant Reservoir Cap
Part # DOR54218$55.34
Ground shipping included in priceAvailable to the contiguous U.S. excluding California
Fitment not selectedAdd your truck to verify compatibility
Open Garage →Fast fulfillmentLive inventory and order status
Secure checkoutProtected by Shopify
Diesel supportReal help for the right part
Product details
Description
The Dorman 54218 Coolant Reservoir Cap is a direct-fit replacement designed to seal the coolant reservoir and maintain proper system pressure. Built from durable plastic with a 20 PSI rating, it helps prevent leaks, contamination, and coolant loss while restoring the original fit and function. Engineered for a precise match to OE specifications, it offers a quick and cost-effective repair solution.
Features
- Restores Factory Function
- Made From Quality Materials
- Direct-Fit OE-Style Replacement
- Tested To Ensure Service Life, Fit & Quality
Specifications
Attachment Type: Threaded
Color: Black
Diameter: 60.9 mm
Length (In): 2.4 in
MaterialPlastic
Maximum Pressure Rating: 20 PSI
Package Contents1 Coolant Cap
Pressure Release Lever: No
Pressurized: Yes
Type: Twist
Vented: Yes
Width (in): 2.4 in
Complete the job
Build the job. Not just the cart.
Start with the right part, then choose the supporting pieces that help prevent a second teardown or a last-minute parts run.
Choose your supporting parts
Build an install-ready package.
✓
Primary part · includedDorman 54218 Coolant Reservoir CapDorman
$55.34