--- product_id: 74032184 title: "Dorman 603-100 Non-Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac/Chevrolet/GMC Models" brand: "dorman" price: "AR$362593" currency: ARS in_stock: true reviews_count: 5 url: https://www.desertcart.com.ar/products/74032184-dorman-603-100-non-pressurized-coolant-reservoir-with-cap-compatible store_origin: AR region: Argentina --- # Heat-resistant durability Compatible with select Cadillac/Chevrolet/GMC Precision fit engineering Dorman 603-100 Non-Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac/Chevrolet/GMC Models **Brand:** dorman **Price:** AR$362593 **Availability:** ✅ In Stock ## Summary > 🚗 Upgrade your ride’s heart with confidence and style! ## 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?** AR$362593 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/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 - • **Trusted Legacy:** Backed by 100 years of automotive aftermarket expertise. - • **Built to Endure:** Crafted from premium materials to resist underhood heat and vibration. - • **Custom Fit Guarantee:** Input your vehicle details to ensure exact compatibility. - • **Ready for Your Style:** Exterior surface is paint-ready to match your ride’s aesthetic. - • **Seamless Installation:** Engineered for a perfect OEM fit—no hassle, no guesswork. ## Overview The Dorman 603-100 Non-Pressurized Coolant Reservoir is a durable, precision-engineered replacement part designed to fit select Cadillac, Chevrolet, and GMC models. Built to withstand intense engine heat and vibration, it ensures reliable coolant storage and seamless installation, backed by a century of aftermarket expertise. ## 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 (940) 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 ### ⭐⭐⭐⭐⭐ Perfect Replacement. *by on Reviewed in the United States 25 October 2025* Perfect replacement for my 94 Silverado K1500. Looks great in my truck. Old one you couldn’t even see the coolant inside of. Great price, seems durable and well sealed. The perfect size and seems like solid plastic.Definitely recommend to anyone looking to replace theirs. ### ⭐⭐⭐⭐⭐ Excelente *by on Reviewed in Mexico 20 August 2024* Me parece un excelente producto de repuesto, luce muy bien en mi GMC Sierra, muy buen material y diseño exacto como el original. Lo vale muy bien 👌. ### ⭐⭐⭐⭐⭐ Coolant overflow tank *by on Reviewed in Canada 9 May 2025* Perfect fit and just as advertised ## 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.com.ar/products/74032184-dorman-603-100-non-pressurized-coolant-reservoir-with-cap-compatible](https://www.desertcart.com.ar/products/74032184-dorman-603-100-non-pressurized-coolant-reservoir-with-cap-compatible) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-09-27*