Dorman 54216 Coolant Reservoir Cap
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$22.79
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
Product Description
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.
- Direct replacement - this engine coolant reservoir cap directly replaces a cracked or lost original cap
- Application specific - made to match dimensions of reservoir cap on only certain vehicle years, makes and models
- Seamless fit - reverse-engineered from the original equipment to fit perfectly
- Excellent value - a quick, easy replacement that's less expensive than going back to the dealership
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 2011 | Buick | Lucerne | V8 281 4.6L | ||
| 2011 | Cadillac | DTS | |||
| 2010 | Buick | Lucerne | V8 281 4.6L | ||
| 2010 | Cadillac | DTS | |||
| 2010 | Chevrolet | Corvette | |||
| 2009 | Buick | Lucerne | V8 281 4.6L | ||
| 2009 | Cadillac | DTS | |||
| 2009 | Cadillac | XLR | |||
| 2009 | Chevrolet | Corvette | |||
| 2008 | Buick | Lucerne | V8 281 4.6L | ||
| 2008 | Cadillac | DTS | |||
| 2008 | Cadillac | XLR | |||
| 2008 | Chevrolet | Corvette | |||
| 2007 | Buick | Lucerne | V8 281 4.6L | ||
| 2007 | Cadillac | DTS | |||
| 2007 | Cadillac | XLR | |||
| 2007 | Chevrolet | Corvette | |||
| 2006 | Buick | Lucerne | V8 281 4.6L | ||
| 2006 | Cadillac | DTS | |||
| 2006 | Cadillac | XLR | |||
| 2006 | Chevrolet | Corvette | |||
| 2005 | Cadillac | XLR | |||
| 2005 | Chevrolet | Corvette | |||
| 2004 | Cadillac | XLR |
Product Specifications
| Attachment Type: | Threaded |
|---|---|
| Color: | Black |
| Diameter: | 49.5 mm |
| Length (In): | 2 in |
| Material: | Plastic |
| Maximum Pressure Rating: | 18 PSI |
| Package Contents: | 1 Coolant Cap |
| Package Quantity: | 1 |
| Pressure Release Lever: | No |
| Pressurized: | Yes |
| Type: | Twist |
| Vented: | Yes |
| Width (in): | 2 in |
| Packaging Type: | Box |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 10305080 | GENERAL MOTORS |