---
product_id: 35060750
title: "603-141 Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac Models"
brand: "dorman"
price: "286.34 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/35060750-603-141-pressurized-coolant-reservoir-with-cap-compatible-with-select
store_origin: TN
region: Tunisia
---

# Heat-resistant durability Seamless, hassle-free install Exact OEM fit & function 603-141 Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac Models

**Brand:** dorman
**Price:** 286.34 DT
**Availability:** ✅ In Stock

## Summary

> 🚗 Upgrade your ride with confidence—cool smarter, drive cooler!

## Quick Answers

- **What is this?** 603-141 Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac Models by dorman
- **How much does it cost?** 286.34 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/35060750-603-141-pressurized-coolant-reservoir-with-cap-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 100 years of automotive aftermarket expertise for peace of mind.
- • **Built to Endure:** Crafted from premium materials to resist underhood heat and vibration stress.
- • **Vehicle-Specific Fit:** Use the garage tool to ensure perfect compatibility with your Cadillac model and trim.
- • **Effortless Installation:** Designed for a smooth, no-fuss installation experience—get back on the road faster.
- • **Engineered for Precision:** Direct replacement engineered to match original fit and function flawlessly.

## Overview

The Dorman 603-141 Pressurized Coolant Reservoir is a high-quality, direct replacement part designed specifically for select Cadillac SRX (2004-2006) and STS (2005-2006) models. Manufactured to withstand intense engine heat and vibration, it ensures reliable coolant containment and system performance. With precise OEM fitment and easy installation, this reservoir is backed by a century of Dorman’s trusted automotive aftermarket experience.

## Description

603-141 Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac Models

## Features

- 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
- 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 |
|---------------|-------|
| Item Weight | 2.5 Pounds |
| Product Grade | Replacement Part |
| Fit Type | Vehicle Specific |
| OEM Part Number | FRT1229C; 15075118; 25767641 |
| Global Trade Identification Number | 00019495453352 |
| UPC | 019495453352 |
| Automotive Fit Type | Vehicle Specific Fit |
| Manufacturer | Dorman Products |
| Model | Dorman 603-141: Pressurized Coolant Reservoir |
| Item Weight | 2.5 pounds |
| Product Dimensions | 12 x 11.25 x 9.5 inches |
| Item model number | 603-141 |
| Manufacturer Part Number | 603-141 |
| Hollander Number | 671-104 |

## Product Details

- **Brand:** Dorman
- **Material:** Plastic
- **Item dimensions L x W x H:** 12 x 11.25 x 9.5 inches
- **Exterior Finish:** Machined
- **Vehicle Service Type:** Car

## Images

![603-141 Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac Models - Image 1](https://m.media-amazon.com/images/I/711qixKbctL.jpg)

## Frequently Bought Together

- Dorman 603-141 Front Engine Coolant Reservoir Compatible with Select Cadillac Models
- Silscvtt Drive Shaft Center Support Bearing Replacement for 2005-2009 Cadillac SRX 3.6L 4.6L Saab
- Dorman 523-223 Rear Differential Mount Bushing Compatible with Select Cadillac Models

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**Shop now:** [https://www.desertcart.tn/products/35060750-603-141-pressurized-coolant-reservoir-with-cap-compatible-with-select](https://www.desertcart.tn/products/35060750-603-141-pressurized-coolant-reservoir-with-cap-compatible-with-select)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-06-02*