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; } Heavy Duty Windshield Washer Fluid Reservoir Product Description This washer fluid reservoir is designed to match the fit and function of the original equipment reservoir. It is engineered to withstand the stresses of underhood heat and engine vibration on specified vehicle makes, models, and years. Direct replacement - this windshield washer fluid reservoir is designed to match the fit and function of the original equipment reservoir on specified vehicle makes, models and years Ideal solution - engineered to help ensure leak-free washer fluid storage when an original reservoir has cracked or failed from heat and vibration Durable construction - made of quality materials for reliable performance and long service life Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience Product Specifications Color: Clear Material: Plastic Mounting Bracket Included: No Mounting Hardware Included: No Package Contents: 1 Coolant Reservoir Package Quantity: 1 Packaging Type: Box Reservoir Cap Included: Yes OE Numbers R86-6001 PACCAR Fitment Year Make Model Configuration Positions Application Notes 1989-2007 Peterbilt 357 Front ID No. R86-6001 1989-2007 Peterbilt 377 Front ID No. R86-6001 1989-2007 Peterbilt 379 Front ID No. R86-6001 1989-1999 Peterbilt 375 Front ID No. R86-6001 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.