Dorman - Non-Pressurized Coolant Reservoir - 603-100
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; paddin g-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; } Non-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 Type: Flip Top Color: White Material: Plastic Mounting Brackets Included: Yes Mounting Hardware Included: No Mounting Hole Quantity: 3 Package Contents: 1 Coolant Reservoir; 1 Cap Package Quantity: 1 Packaging Type: Box Pressurized: No OE Numbers 15650373 GENERAL MOTORS Fitment Year Make Model Configuration Positions Application Notes 2003-2004 Chevrolet Silverado 3500 V8 350 5.7L 2001-2002 Chevrolet C3500HD V8 496 8.1L Front 2000-2002 Chevrolet Silverado 2500 V8 350 5.7L Front 2000-2002 Chevrolet Sonora (Mexico) V8 350 5.7L Front 2001-2002 GMC C3500HD V8 496 8.1L Front 1999-2000 Cadillac Escalade V8 350 5.7L Front 1988-2000 Chevrolet C2500 V8 350 5.7L Front 1991-2000 Chevrolet C2500 V8 454 7.4L Front 1988-2000 Chevrolet C35 (Mexico) V8 350 5.7L Front 1988-2000 Chevrolet C3500 V8 350 5.7L Front 1988-2000 Chevrolet C3500 V8 454 7.4L Front 1991-2000 Chevrolet C3500HD V8 454 7.4L Front 1988-2000 Chevrolet K1500 V8 350 5.7L Front 1988-2000 Chevrolet K2500 V8 350 5.7L Front 1991-2000 Chevrolet K2500 V8 454 7.4L Front 1988-2000 Chevrolet K3500 V8 350 5.7L Front 1988-2000 Chevrolet K3500 V8 454 7.4L Front 1995-2000 Chevrolet Tahoe V8 350 5.7L Front 1988-2000 GMC C2500 V8 350 5.7L Front 1991-2000 GMC C2500 V8 454 7.4L Front 1988-2000 GMC C3500 V8 350 5.7L Front 1988-2000 GMC C3500 V8 454 7.4L Front 1991-2000 GMC C3500HD V8 454 7.4L Front 1988-2000 GMC K2500 V8 350 5.7L Front 1991-2000 GMC K2500 V8 454 7.4L Front 1988-2000 GMC K3500 V8 350 5.7L Front 1988-2000 GMC K3500 V8 454 7.4L Front 1992-2000 GMC Yukon V8 350 5.7L Front 1999 Chevrolet C1500 V6 262 4.3L (4300cc) Front 1988-1999 Chevrolet C1500 V8 305 5.0L Front 1988-1999 Chevrolet C1500 V8 350 5.7L Front 1992-1999 Chevrolet C1500 Suburban V8 350 5.7L Front 1988-1999 Chevrolet C2500 V8 305 5.0L Front 1992-1999 Chevrolet C2500 Suburban V8 350 5.7L Front 1992-1999 Chevrolet C2500 Suburban V8 454 7.4L Front 1988-1999 Chevrolet K1500 V8 305 5.0L Front 1992-1999 Chevrolet K1500 Suburban V8 350 5.7L Front 1992-1999 Chevrolet K2500 Suburban V8 350 5.7L Front 1992-1999 Chevrolet K2500 Suburban V8 454 7.4L Front 1995-1999 Chevrolet Suburban 1500 (Mexico) V8 350 5.7L Front 1988-1999 GMC C1500 V8 305 5.0L Front 1988-1999 GMC C1500 V8 350 5.7L Front 1992-1999 GMC C1500 Suburban V8 350 5.7L Front 1988-1999 GMC C2500 V8 305 5.0L Front 1992-1999 GMC C2500 Suburban V8 350 5.7L Front 1992-1999 GMC C2500 Suburban V8 454 7.4L Front 1988-1999 GMC K1500 V8 305 5.0L Front 1988-1999 GMC K1500 V8 350 5.7L Front 1992-1999 GMC K1500 Suburban V8 350 5.7L Front 1992-1999 GMC K2500 Suburban V8 350 5.7L Front 1992-1999 GMC K2500 Suburban V8 454 7.4L Front 1988-1998 Chevrolet C1500 V6 262 4.3L Front 1988-1998 Chevrolet K1500 V6 262 4.3L Front 1988-1995 Chevrolet K2500 V8 305 5.0L Front 1997-1998 Chevrolet K2500 V8 305 5.0L Front 1988-1998 GMC C1500 V6 262 4.3L Front 1988-1998 GMC K1500 V6 262 4.3L Front 1988-1995 GMC K2500 V8 305 5.0L Front 1998 GMC K2500 V8 305 5.0L Front 1988-1995 Chevrolet C2500 V6 262 4.3L Front 1991-1995 Chevrolet C3500HD V8 350 5.7L Front 1988-1995 Chevrolet K2500 V6 262 4.3L Front 1988-1995 GMC C2500 V6 262 4.3L Front 1991-1995 GMC C3500HD V8 350 5.7L Front 1988-1995 GMC K2500 V6 262 4.3L Front 1992-1994 Chevrolet Blazer V8 350 5.7L Front 1992-1994 Chevrolet R25 V8 350 5.7L Front 1992-1994 Chevrolet Suburban (Mexico) V8 350 5.7L Front 1988-1993 Chevrolet C1500 V8 379 6.2L Front 1990-1993 Chevrolet C1500 V8 454 7.4L Front 1988-1993 Chevrolet C2500 V8 379 6.2L Front 1992-1993 Chevrolet C2500 V8 395 6.5L Front 1988-1993 Chevrolet C3500 V8 379 6.2L Front 1992-1993 Chevrolet C3500 V8 395 6.5L Front 1992-1993 Chevrolet C3500HD V8 395 6.5L Front 1988-1993 Chevrolet K1500 V8 379 6.2L Front 1988-1993 Chevrolet K2500 V8 379 6.2L Front 1992-1993 Chevrolet K2500 V8 395 6.5L Front 1988-1993 Chevrolet K3500 V8 379 6.2L Front 1992-1993 Chevrolet K3500 V8 395 6.5L Front 1988-1993 GMC C1500 V8 379 6.2L Front 1988-1993 GMC C2500 V8 379 6.2L Front 1992-1993 GMC C2500 V8 395 6.5L Front 1988-1993 GMC C3500 V8 379 6.2L Front 1992-1993 GMC C3500 V8 395 6.5L Front 1992-1993 GMC C3500HD V8 395 6.5L Front 1988-1993 GMC K1500 V8 379 6.2L Front 1988-1993 GMC K2500 V8 379 6.2L Front 1992-1993 GMC K2500 V8 395 6.5L Front 1988-1993 GMC K3500 V8 379 6.2L Front 1992-1993 GMC K3500 V8 395 6.5L Front 1989-1991 Chevrolet R3500 V8 350 5.7L Front 1989-1991 Chevrolet R3500 V8 379 6.2L Front 1989-1991 Chevrolet R3500 V8 454 7.4L Front 1989-1991 Chevrolet V3500 V8 350 5.7L Front 1989-1991 Chevrolet V3500 V8 379 6.2L Front 1989-1991 Chevrolet V3500 V8 454 7.4L Front 1988-1991 GMC R3500 V8 350 5.7L Front 1988-1991 GMC R3500 V8 379 6.2L Front 1988-1991 GMC R3500 V8 454 7.4L Front 1988-1991 GMC V3500 V8 350 5.7L Front 1988-1991 GMC V3500 V8 379 6.2L Front 1988-1991 GMC V3500 V8 454 7.4L Front 1988 GMC C2500 V8 350 5.7L (5736cc) Front 1990 GMC C2500 V8 350 5.7L (5736cc) Front 1989 Chevrolet R2500 V8 350 5.7L Front 1989 Chevrolet R2500 V8 379 6.2L Front 1989 Chevrolet R2500 V8 454 7.4L Front 1988-1989 GMC R2500 V8 350 5.7L Front 1988-1989 GMC R2500 V8 379 6.2L Front 1988-1989 GMC R2500 V8 454 7.4L Front 1988 Chevrolet R20 V8 350 5.7L Front 1988 Chevrolet R20 V8 379 6.2L Front 1988 Chevrolet R20 V8 454 7.4L Front 1988 Chevrolet R30 V8 350 5.7L Front 1988 Chevrolet R30 V8 379 6.2L Front 1988 Chevrolet R30 V8 454 7.4L Front 1988 Chevrolet V30 V8 350 5.7L Front 1988 Chevrolet V30 V8 379 6.2L Front 1988 Chevrolet V30 V8 454 7.4L 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.
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