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Dorman 603-383 Radiator Repair Part for Specific Buick / Chevrolet Models

Name: Dorman 603-383 Radiator Repair Part for Specific Buick / Chevrolet Models
Brand: Dorman
SKU: 155886567
Price: 24.64 USD
Availability: InStock
Rating: 4.8 (48 reviews)

|48 ratings

Check if this fits your vehicle

Key item features

Engine coolant reservoir designed for durability and reliability
Helps maintain optimal engine temperature by storing and supplying coolant
Constructed from highquality materials to resist cracking and leaking
Easy to install, ensuring a hasslefree replacement process
Compatible with various vehicle makes and models for versatile use

Specs

Manufacturer part number
603-383
Vehicle make
603383
Vehicle model
603383
Vehicle type
Car
Vehicle fitment type
Specific
Material
highquality materials

Reviews summary

Pros

: Fits as expected without issues.
: Offers lower prices than similar products.
: Requires relatively little difficulty.

Generated by AI

Current price is $24.64

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About this item

Product details

Pressurized Coolant Reservoir

Dorman 603-383 Radiator Repair Part for Specific Buick / Chevrolet Models

Engine coolant reservoir designed for durability and reliability
Helps maintain optimal engine temperature by storing and supplying coolant
Constructed from highquality materials to resist cracking and leaking
Easy to install, ensuring a hasslefree replacement process
Compatible with various vehicle makes and models for versatile use

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Specifications

Manufacturer part number

603-383

Compatible cars

Buick 2017-12, Chevrolet 2016-10

Vehicle make

603383

Vehicle model

603383

Warranty

Warranty information

Limited Lifetime

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warranty url

https://www.dormanproducts.com/pages/products/warranty/index.aspx?origin=topnav#warranty

Warnings

WARNING: WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov

State Chemical Disclosure

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov

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Customer ratings & reviews

4.8 out of 5 stars

stars48 ratings25 reviews

How item rating is calculated

Reviews summary

Pros

: Fits as expected without issues.
: Offers lower prices than similar products.
: Requires relatively little difficulty.

Generated by AI

Customer photos

Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.

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Showing 1-3 of 25 reviews

Sep 24, 2025

Trey

5 out of 5 stars review

Verified Purchase

great product

great product and great price better made than the factory. it's got the metal pipe inside the nipples of where the coolant hoses go. I'll buy again I prefer this product to anyone wanting to upgrade.

Incentivized Review

Helpful?

Oct 19, 2025

scotti

5 out of 5 stars review

Verified Purchase

Good part

Part fits just as it should. Highly recommended

Incentivized Review

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Oct 28, 2025

ANGLIA

5 out of 5 stars review

Verified Purchase

Very good product well made

Incentivized Review

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Dorman 603-383 Radiator Repair Part for Specific Buick / Chevrolet Models

Key item features

Specs

Reviews summary

Pros

How do you want your item?

More seller options (4)

Try 30 days of Walmart+ for just $1!

About this item

Product details

Specifications

Manufacturer part number

Compatible cars

Vehicle make

Vehicle model

Warranty

Warranty information

Warranty url

Warnings

State Chemical Disclosure

Similar items you might like

Based on what customers bought

Dorman 603-001 Engine Coolant Reservoir White $15.90

Dorman 603-001 Engine Coolant Reservoir White

Engine Coolant Thermostat Housing Water Outlet Kit with Hose Replacement for Chevrolet Cruze Buick Encore 1.4L Engine Replace 25193922 902-846 $20.99

Engine Coolant Thermostat Housing Water Outlet Kit with Hose Replacement for Chevrolet Cruze Buick Encore 1.4L Engine Replace 25193922 902-846

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Dorman 603-668 Engine Coolant Reservoir $23.49