body { font-family: Arial, sans-serif; line-height: 1.6; color: #333; margin: 20px; } h2 { font-size: 1.5em; color: #2c3e50; margin-top: 30px; border-bottom: 2px solid #eee; padding-bottom: 5px; } p { font-size: 1em; margin-bottom: 15px; } ul { padding-left: 20px; margin-bottom: 20px; } ul li { margin-bottom: 10px; list-style-type: disc; } table { width: 100%; border-collapse: collapse; margin-bottom: 30px; } table th, table td { text-align: left; padding: 10px; border: 1px solid #ddd; font-size: 0.95em; } table th { width: 40%; font-weight: bold; } table tr:nth-child(even) { background-color: #fafafa; } Pressurized Coolant Reservoir Product Description This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part. Direct replacement - this engine coolant reservoir matches the fit and function of the original part Ideal solution - engineered for a seamless installation Durable construction - manufactured from quality materials to withstand underhood heat and vibration Trustworthy design - backed by 100 years of automotive aftermarket experience Product Specifications Cap Included: Yes Cap Maximum Pressure Rating: 15 PSI Cap Type: Spring Loaded Twist Color: Natural Height: 315 mm Length: 298 mm Material: Plastic Mounting Brackets Included: No Mounting Hardware Included: No Mounting Hole Quantity: 2 Package Contents: 1 Coolant Reservoir; 1 Cap Package Quantity: 1 Packaging Type: Box Pressurized: Yes OE Numbers 15085725 GENERAL MOTORS 15808714 GENERAL MOTORS 19353729 GENERAL MOTORS 15075118 GENERAL MOTORS Fitment Year Make Model Configuration Positions Application Notes 2001-2006 GMC Sierra 3500 V8 403 6.6L (6599cc) Front Buy with confidence – If you encounter any issues with your Dorman product, simply reach out to us. We are committed to ensuring your satisfaction and will assist with any return or exchange requests that meet our policy guidelines. Why Choose Dorman? Dorman is a trusted leader in OE-style replacement parts, offering precision-engineered solutions for reliable performance. Each part undergoes rigorous testing to ensure durability, safety, and a seamless fit. Designed as a cost-effective alternative to OEM parts, Dorman provides high-quality replacements backed by expert engineering. Choose Dorman for dependable, long-lasting automotive solutions.