Name: Dorman 603-100 Non-Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac / Chevrolet / GMC Models
Brand: Dorman
Price: 911.78 BOB
Availability: InStock

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

TRUSTED LEGACY - Backed by Dorman’s century-long expertise in automotive aftermarket innovation and reliability.
BUILT TO ENDURE - Crafted from premium plastic materials designed to withstand intense underhood heat and vibrations.
PERFECT OEM MATCH - Engineered to replicate original fit and function flawlessly, ensuring zero hassle replacements.
EFFORTLESS UPGRADE - Non-pressurized design allows for straightforward, no-fuss installation—get back on the road faster.
TAILORED FIT GUARANTEE - Use the garage tool to confirm compatibility with your exact Cadillac, Chevrolet, or GMC model and trim.

The Dorman603-100 Non-Pressurized Coolant Reservoir is a direct replacement part compatible with select Cadillac, Chevrolet, and GMC models. Made from durable plastic, it resists heat and vibration for long-lasting performance. Designed for seamless installation and backed by 100 years of Dorman’s automotive aftermarket expertise, this reservoir ensures a perfect fit and reliable cooling system maintenance.

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Bs.911

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Boliviastore

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

View all Trustpilot reviews

Manufacturer	Dorman Products
Brand	Dorman
Model	FLUID RESERVOIR
Item Weight	1.5 pounds
Product Dimensions	11.5 x 8.75 x 7 inches
Item model number	603-100
Is Discontinued By Manufacturer	No
Exterior	Ready To Paint If Needed
Manufacturer Part Number	603-100
OEM Part Number	650373; DAKG-650373; FRT1203C; RC77; SK603100; 15630112; 15650373
Hollander Number	671-218
Position	Front

Dorman 603-100 Non-Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac / Chevrolet / GMC Models

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Common Questions