Product Tested

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Aftermarket Auto Parts Alliance, Inc.

Company and Product Information

Corporate Office:
Aftermarket Auto Parts Alliance, Inc.
2706 Treble Creek # 100
San Antonio, TX 78258


Auto Value Parts Stores and Certified Service Centers are a part of the Aftermarket Auto Parts Alliance, one of the largest auto parts distribution networks in the world.
Source: http://www.autovalue.com/aboutus.html

Petroleum Quality Institute of America

Antifreeze/Coolant Test Program

The Petroleum Quality Institute of America (PQIA) is an independent resource for information and insights on the quality of lubricants in the marketplace. Our mission is to serve the consumer of lubricants by randomly sampling and independently testing lubricants taken from the field. Test results are posted along with the brand names on the PQIA website. This webpage provides an analysis on the brand detailed below.

The following are the test results for the sample examined.

Parts Master 50/50 Pre-Diluted
Antifreeze & Coolant

Parts Master
50/50 Pre-Diluted
Antifreeze & Coolant
Universal Low Silicate Formula

Manufactured By: Old World Industries, Inc., Northbrook, IL
Distributed By: Aftermarket Auto Parts Alliance, Inc., San Antonio, TX

Purchased at: Kalamazoo, MI

Date of purchase: 11/15/2016


Website(s): alliance1.com

Test Results and Assessment:

The results of the tests conducted on this sample are consistent with the labeled claims.

bottle icon Physical Properties pass
Chemical Analysis pass
Labeling warning

Note: Although laboratory tests alone cannot be used to establish if coolant meets standards, they can be used to determine if it doesn't.

Physical Properties and Chemical Analysis  Parts Master
Percent Antifreeze, (Based on Percent Glycol) 51
Freeze Point, (ASTM D3321) in ⁰F -36
Bitterant, (ASTM D7704) in ppm 40
pH, (ASTM D1287) 11.14a
Color, (Visual) Green
Ion Chromatography (ASTM D5827)  
Glycolate, ppm Not Detected
Formate, ppm Not Detected
Chloride, ppm 1
Sulfate, ppm Not Detected
Nitrite, ppm Not Detected
Nitrate, ppm 1,130
Phosphate, ppm 3,075
  1. Although ASTM D-3306 requirements for pH of a prediluted Antifreeze/Coolant are between 7.5 and 11.0, the result for the product tested is within the working range of the test method (ASTM D-1287) repeatability which takes into account common-cause variation associated with the test method.