--- product_id: 74032184 title: "Dorman 603-100 Non-Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac/Chevrolet/GMC Models" brand: "dorman" price: "27802 kr" currency: ISK in_stock: true reviews_count: 5 url: https://www.desertcart.is/products/74032184-dorman-603-100-non-pressurized-coolant-reservoir-with-cap-compatible store_origin: IS region: Iceland --- # 100+ years trusted design Heat-resistant durability Precision engineered fit Dorman 603-100 Non-Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac/Chevrolet/GMC Models **Brand:** dorman **Price:** 27802 kr **Availability:** ✅ In Stock ## Summary > 🚗 Upgrade your ride with confidence—coolant care that keeps you ahead of the pack! ## Quick Answers - **What is this?** Dorman 603-100 Non-Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac/Chevrolet/GMC Models by dorman - **How much does it cost?** 27802 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/74032184-dorman-603-100-non-pressurized-coolant-reservoir-with-cap-compatible) ## Best For - dorman enthusiasts ## Why This Product - Trusted dorman brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Crafted from premium materials to resist underhood heat and vibration, ensuring long-lasting performance. - • **Legacy of Trust:** Backed by over a century of automotive aftermarket expertise for reliable quality. - • **Custom Fit Assurance:** Use your vehicle’s make, model, and trim to guarantee exact compatibility—no guesswork needed. - • **Ready for Your Style:** Exterior surface is paint-ready, letting you customize your engine bay’s look with ease. - • **Seamless Installation:** Engineered for a perfect, hassle-free fit with select Cadillac, Chevrolet, and GMC models. ## Overview The Dorman 603-100 Non-Pressurized Coolant Reservoir is a durable, precision-engineered replacement part designed to fit select Cadillac, Chevrolet, and GMC vehicles. Manufactured from high-quality materials to withstand engine heat and vibration, it ensures reliable coolant storage and seamless installation. Backed by over 100 years of aftermarket expertise, this reservoir offers a perfect OEM match with a paint-ready exterior for personalized styling. ## 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. ## Features - 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 - Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the desertcart Garage - International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B000E300OE | | Brand | Dorman | | Customer Reviews | 4.7 4.7 out of 5 stars (935) 4.7 out of 5 stars | | Date First Available | 8 Aug. 2012 | | Exterior | Ready To Paint If Needed | | Guaranteed Software Updates Until | unknown | | Item Model Number | 603-100 | | Item Weight | 680 g | | Manufacturer | Dorman Products | | Manufacturer Part Number | 603-100 | | Model | FLUID RESERVOIR | | Oem Part Number | 650373; DAKG-650373; FRT1203C; RC77; SK603100; 15630112; 15650373 | | Position | Front | | Product Dimensions | 29.21 x 22.23 x 17.78 cm; 680.39 g | ## Product Details - **Brand:** Dorman - **Material:** Plastic - **Fit type:** Vehicle Specific - **Item dimensions L x W x H:** 29.2 x 22.2 x 17.8 centimetres - **Exterior finish:** Ready To Paint If Needed ## Images ![Dorman 603-100 Non-Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac/Chevrolet/GMC Models - Image 1](https://m.media-amazon.com/images/I/61xkHSaknhL.jpg) ![Dorman 603-100 Non-Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac/Chevrolet/GMC Models - Image 2](https://m.media-amazon.com/images/I/51B0m26J0RL.jpg) ![Dorman 603-100 Non-Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac/Chevrolet/GMC Models - Image 3](https://m.media-amazon.com/images/I/91+ZwqnEC-L.jpg) ![Dorman 603-100 Non-Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac/Chevrolet/GMC Models - Image 4](https://m.media-amazon.com/images/I/61DmLCn-0tL.jpg) ![Dorman 603-100 Non-Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac/Chevrolet/GMC Models - Image 5](https://m.media-amazon.com/images/I/51-N++dRBML.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ La calidada del producto *by on Reviewed in Mexico 20 July 2026* Exelente calidad ### ⭐⭐⭐⭐⭐ Coolant overflow tank *by on Reviewed in Canada 9 May 2025* Perfect fit and just as advertised ### ⭐⭐⭐⭐⭐ Fitment and Quality spot on. *by on Reviewed in the United States 15 April 2026* Perfect fit. Was cheaper buying it here than locally from NAPA amd O'Reillys here in Hawaii. Saved me almost $30 dollars. Very happy with fitment and quality. ## Frequently Bought Together - Dorman 603-100 Front Engine Coolant Reservoir Compatible with Select Cadillac / Chevrolet / GMC Models - ACDelco GM Original Equipment RC27 15 P.S.I. Radiator Cap - ACDelco Professional 252-719 Water Pump Kit --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.is/products/74032184-dorman-603-100-non-pressurized-coolant-reservoir-with-cap-compatible](https://www.desertcart.is/products/74032184-dorman-603-100-non-pressurized-coolant-reservoir-with-cap-compatible) --- *Product available on Desertcart Iceland* *Store origin: IS* *Last updated: 2026-08-16*