1-4 General Information
Vehicle Identification Number (VIN) System (cont'd)
Position Definition Character Description
10 Model Year M 2021
11 Plant Location H Springfield, Ohio
12–17 Plant Sequence Number — Plant Sequence Number
6.6L (L5D) Engine ID and VIN Derivative Location
Engine Identification
Vehicle Certification Label
4991554
Vehicle Certification Label
Callout Description
A vehicle-specific Certification label is attached to the driver-side door frame and displays the following assessments:
1 Name of Manufacturer
2 Gross Weight Rating of the Front Axle
3 Location Vehicle was Assembled In
4
Final Date of Manufacture (Month and Year MM/YY)
Date of manufacture is to reflect the date that the vehicle is counted as built. In those cases where a replacement
label is needed, the replacement label should reflect the actual build date not the date of replacement.
5 Tire Size Front Axle
6 Rim Size Front Axle
7 Maximum Gross Vehicle Weight Rating (GVWR)
8 Tire Pressure Front Axle Dual (Cold)
9 Tire Pressure Rear Axle Dual (Cold)
10 Tire Pressure Front Axle Single (Cold)
11 Tire Pressure Rear Axle Single (Cold)
12 Certification Statement
13 Rim Size Rear Axle
14 Vehicle Class Type (Pass Car, etc.)
15 Tire Size Rear Axle
16 Gross Weight Rating of the Rear Axle
17 Vehicle Identification Number (VIN)
2021 - Silverado 4500HD, 5500HD, and 6500HD Electrical Body Builder Manual
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