--- product_id: 270712870 title: "Dorman 603-100 Front Engine Coolant Reservoir Compatible with Select Cadillac/Chevrolet/GMC Models" brand: "dorman" price: "€ 152.02" currency: EUR in_stock: true category: "Dorman" url: https://www.desertcart.be/products/270712870-dorman-603-100-front-engine-coolant-reservoir-compatible-with-select store_origin: BE region: Belgium --- # Heat & vibration resistant plastic Exact OEM fit for seamless swap Durable build backed by 100+ years Dorman 603-100 Front Engine Coolant Reservoir Compatible with Select Cadillac/Chevrolet/GMC Models **Brand:** dorman **Price:** € 152.02 **Availability:** ✅ In Stock ## Summary > 🔥 Keep your engine cool with confidence — the reservoir that means business! ## Quick Answers - **What is this?** Dorman 603-100 Front Engine Coolant Reservoir Compatible with Select Cadillac/Chevrolet/GMC Models by dorman - **How much does it cost?** € 152.02 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/270712870-dorman-603-100-front-engine-coolant-reservoir-compatible-with-select) ## 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 Dorman’s century of automotive aftermarket expertise, reliability is guaranteed. - • **Smart Fit Guarantee:** Use the garage tool to confirm exact fit for your vehicle’s make, model, and trim—no guesswork needed. - • **Engineered for Endurance:** Crafted from premium plastic to resist underhood heat and vibration, ensuring long-lasting performance. - • **Plug-and-Play Installation:** Direct replacement design means no modifications—just bolt it in and get back on the road. - • **Precision OEM Compatibility:** Fits select Cadillac, Chevrolet & GMC models perfectly for hassle-free installation. ## Overview The Dorman 603-100 Front Engine Coolant Reservoir is a direct OEM replacement designed for select Cadillac, Chevrolet, and GMC vehicles. Made from durable plastic engineered to withstand engine heat and vibration, it ensures reliable coolant storage and system performance. Backed by over 100 years of Dorman’s automotive aftermarket expertise, this reservoir offers a precise fit and easy installation, helping you maintain your vehicle’s cooling system with confidence. ## 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 - Direct replacement - this engine coolant reservoir matches the fit and function of the original part.Material:Plastic - 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 garage tool ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000E300OE | | Best Sellers Rank | #52,541 in Automotive ( See Top 100 in Automotive ) #79 in Car Styling Reservoirs | | Brand | Dorman | | Customer Reviews | 4.7 4.7 out of 5 stars (929) | | Date First Available | 8 August 2012 | | Exterior | Machined | | Item Weight | 680 g | | Item model number | 603-100 | | 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 centimeters - **Exterior finish:** Machined ## Images ![Dorman 603-100 Front Engine Coolant Reservoir Compatible with Select Cadillac/Chevrolet/GMC Models - Image 1](https://m.media-amazon.com/images/I/61xkHSaknhL.jpg) ![Dorman 603-100 Front Engine Coolant Reservoir Compatible with Select Cadillac/Chevrolet/GMC Models - Image 2](https://m.media-amazon.com/images/I/51B0m26J0RL.jpg) ![Dorman 603-100 Front Engine Coolant Reservoir Compatible with Select Cadillac/Chevrolet/GMC Models - Image 3](https://m.media-amazon.com/images/I/91+ZwqnEC-L.jpg) ![Dorman 603-100 Front Engine Coolant Reservoir Compatible with Select Cadillac/Chevrolet/GMC Models - Image 4](https://m.media-amazon.com/images/I/61DmLCn-0tL.jpg) ![Dorman 603-100 Front Engine Coolant Reservoir Compatible with Select Cadillac/Chevrolet/GMC Models - Image 5](https://m.media-amazon.com/images/I/51-N++dRBML.jpg) ## 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.be/products/270712870-dorman-603-100-front-engine-coolant-reservoir-compatible-with-select](https://www.desertcart.be/products/270712870-dorman-603-100-front-engine-coolant-reservoir-compatible-with-select) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-07-17*