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Dorman 603-100 Non-Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac / Chevrolet / GMC Models
Product ID: 1776615
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Details
- BrandDorman
- MaterialPlastic
- Fit TypeVehicle
- Item dimensions L x W x H11.5 x 8.75 x
- Exterior FinishMachined
🔥Heat & vibration resistant
⚙️Direct OEM fit & function
🛠️Easy, seamless installation
Frequently Bought Together
Description
🚗 Upgrade your ride with confidence—cool smarter, drive stronger!
- TRUSTED LEGACY - Backed by Dorman’s century-long expertise in automotive aftermarket innovation and reliability.
- BUILT TO ENDURE - Crafted from premium plastic materials designed to withstand intense underhood heat and vibrations.
- PERFECT OEM MATCH - Engineered to replicate original fit and function flawlessly, ensuring zero hassle replacements.
- EFFORTLESS UPGRADE - Non-pressurized design allows for straightforward, no-fuss installation—get back on the road faster.
- TAILORED FIT GUARANTEE - Use the garage tool to confirm compatibility with your exact Cadillac, Chevrolet, or GMC model and trim.
The Dorman603-100 Non-Pressurized Coolant Reservoir is a direct replacement part compatible with select Cadillac, Chevrolet, and GMC models. Made from durable plastic, it resists heat and vibration for long-lasting performance. Designed for seamless installation and backed by 100 years of Dorman’s automotive aftermarket expertise, this reservoir ensures a perfect fit and reliable cooling system maintenance.
Specifications
| Manufacturer | Dorman Products |
| Brand | Dorman |
| Model | FLUID RESERVOIR |
| Item Weight | 1.5 pounds |
| Product Dimensions | 11.5 x 8.75 x 7 inches |
| Item model number | 603-100 |
| Is Discontinued By Manufacturer | No |
| Exterior | Ready To Paint If Needed |
| Manufacturer Part Number | 603-100 |
| OEM Part Number | 650373; DAKG-650373; FRT1203C; RC77; SK603100; 15630112; 15650373 |
| Hollander Number | 671-218 |
| Position | Front |
Common Questions
Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.
Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.
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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.
Trustpilot
TrustScore 4.5 | 7,300+ reviews
Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.
1 day ago
Perfect platform for hard-to-find items. Delivery was prompt.
1 month ago
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