Best Dorman Car Reservoirs in 2026

Daisy
Last Updated: Jul 19, 2026

At a Glance: Our Top Picks for Dorman Car Reservoirs

Dorman 603-383 Engine Coolant Reservoir for Select Buick / Chevrolet Models
#TOP1
Dorman 603-383 Engine Coolant Reservoir For Select Buick
9.8
PM SCORE
Dorman 603-205 Front Engine Coolant Reservoir Compatible with Select Ford / Mazda / Mercury Models
#TOP2
Dorman 603-205 Front Engine Coolant Reservoir Compatible With
9.8
PM SCORE
Dorman 603-098 Front Engine Coolant Reservoir for Select Audi Models
#TOP3
Dorman 603-098 Front Engine Coolant Reservoir For Select
9.7
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Dorman Car Reservoirs of 2026

Dorman 603-383 Engine Coolant Reservoir For Select Buick / Chevrolet Models

DORMAN
603-383
8.70 X 6.52 X 8.30 Inches
1.09 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

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

Dorman 603-205 Front Engine Coolant Reservoir Compatible With Select Ford / Mazda / Mercury Models

DORMAN
603-205
11.20 X 9.80 X 8.30 Inches
1.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

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

#TOP3

Dorman 603-098 Front Engine Coolant Reservoir For Select Audi Models

DORMAN
603-098
11.90 X 10.50 X 7.90 Inches
1.70 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

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

Dorman 603-109 Front Engine Coolant Reservoir Compatible With Select Chevrolet / Oldsmobile / Pontiac Models

DORMAN
603-109
16.20 X 7.00 X 7.10 inches
2.05 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

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

Dorman 603-001 Coolant Reservoir Bottle, White Universal Fit

DORMAN
603-001
7.50 X 4.25 X 8.25 Inches
0.60 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Universal design - this coolant reservoir is not vehicle-specific, and is designed for convenient use in a variety of applications where a durable reservoir is needed.Material:Plastic

Thick wall construction - manufactured from quality plastic to withstand heat and vibration

Complete solution - features three mounting holes for installation flexibility, and includes a vented cap

Trustworthy quality - designed in the United States and backed by more than a century of automotive aftermarket excellence

Dorman 603-054 Front Engine Coolant Reservoir For Select Cadillac / Chevrolet / Gmc Models

DORMAN
603-054
15.40 X 9.40 X 12.70 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

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

Dorman 603-050 Front Engine Coolant Reservoir Compatible With Select Ford / Lincoln / Mercury Models

DORMAN
603-050
10.90 X 8.10 X 9.90 Inches
2.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

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

Dorman 603-5211 Front Engine Coolant Reservoir Compatible With Select Sterling Truck Models

DORMAN
603-5211
22.13 X 12.65 X 9.49 Inches
6.11 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Autoplicity ✅ 9.69

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

Dorman 603-276 Driver Side Engine Coolant Reservoir Compatible With Select Ford Models

DORMAN
603-276
21.60 X 20.00 X 24.30 Inches
3.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

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

Dorman 603-5120 Front Heavy Duty Pressurized Coolant Reservoir Compatible With Select International Models (Oe Fix)

DORMAN
603-5120
19.84 X 17.39 X 13.28 Inches
6.92 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Failure-resistant design - this replacement heavy duty coolant reservoir removes a failure point in the original equipment

Durable construction - proprietary polymer resists cracking from extreme temperatures

Application specific - made to directly replace the pressurized coolant reservoir on certain International models from 2005 to 2007

Complete repair - includes cap and mounting brackets

Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

Top 10 car reservoirs dorman Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Dorman 10

Top 10 car reservoirs dorman Brands Pie Chart


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