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Dorman 603-101 Coolant Reservoir Overflow Tank

(GMC G2500 1984-91, G25/G2500 Van 1984-91, G3500 1984-91, G1500 1984-91, G15/G1500 Van 1984-91, G35/G3500 Van 1984-91; Chevrolet G20 1984-91 + 7 more models)

Part of: Dorman Coolant Reservoir Overflow Tank

Other options in this family: Dorman 603-222 Dorman 603-994

Manufacturer

Picture for manufacturer Dorman

Part Number

603-101
15 reviews
Sale Price

$13.51

In Stock (7)

delivery box

Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Dorman 603-101 is a direct-fit replacement coolant reservoir bottle designed to restore proper cooling system function in your vehicle. This overflow tank serves as a vital component of the cooling system, providing a storage chamber for excess coolant as it expands and contracts during engine temperature changes.

Key Features:

  • Direct replacement for factory coolant reservoir - no modifications required
  • Manufactured from durable materials to meet or exceed OE specifications
  • Engineered to provide reliable long-term performance under high-temperature conditions
  • Includes necessary components for complete installation
  • Backed by Dorman's limited lifetime warranty

This reservoir bottle is an essential cooling system component that helps prevent overheating by maintaining proper coolant levels. When the original reservoir cracks, leaks, or becomes damaged, this Dorman replacement restores cooling system integrity and prevents coolant loss.

Products specifications

Fits

GMC G2500 1984-91, G25/G2500 Van 1984-91, G3500 1984-91, G1500 1984-91, G15/G1500 Van 1984-91, G35/G3500 Van 1984-91; Chevrolet G20 1984-91, G20 Van 1984-91, G30 1984-91, G10 1984-91, G10 Van 1984-91, G30 Van 1984-91 + 2 more models

Drain Valve Included

No

Feature - Benefit 1

Comes with reservoir cap

Feature - Benefit 2

Level sensor included (where applicable)

Feature - Benefit 3

Direct replacement for a proper fit every time

Feature - Benefit 4

Quality tested to ensure trouble-free installation and performance

Notes

Includes reservoir cap.

Overflow Tank Finish

White

Overflow Tank Material

Plastic

Quantity

Sold individually.

Recirculating

No

Cap Included

Yes

Pressurized

No

Color

White

Mounting Brackets Included

Yes

Mounting Hardware Included

No

Mounting Hole Quantity

1

Material

Plastic

Height

449

Cap Type

Yes

Package Contents

1 Coolant Reservoir; 1 Cap

Fast easy and you take Paypal!

Please tell me what this item is! I ordered a lot of items around that time! Is it the Stant locking fuel cap?

Normal purchase

was easy to order. I'm very satisfied

Very easy process. Not all sites this easy to navigate. Thank you!

Good transaction

I received original factory parts and paid less than the bobo brand carquest, O'Reilly, autozone, and advanced auto sell. Being factory original everything simply unplugged and went Right back together! Very pleased!!! Not to mention I saved $200 on just the one item!! Yea I'll be a regular customer from now on thanks guys.

Super pricing, fast shipments, good selection they have it all.

Excellent customer service....<br>fast delivery<br>and good quality parts<br><br>

My second time ordering from Autoplicity. I price shop online and Autoplicity had the lowest price both times. Fast ship with email notifications. Autoplicity will now be my "First" site I go to for my auto accessories. Great job Autoplicity.

Great prices, quick shipping, customer service a bit difficult to reach. But, after reaching customer service, issue was resolved without a problem.

I hope the product is as good as the speed I received the item. I even made a mistake on my order, and it still arrived fast. Thanx, will do business with again.

Excellent low price, super fast shipping, and great communication. Top notch seller. Recommend highly!!

The lowest price on the internet for this part and they shipped it fast!!!! This was definitely a very good experience!<br>I will gladly buy parts from this company again!

Web site said it wouldn't fit a 1979 model chevy g-20 van but after looking at the picture I figured I could make it fit. But once I received it I found our it did fit like a glove, so update your site buddy's!! Thanks for the product!!

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