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Battery, DPF, Toolbox Covers

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Part # : MD0328

Battery Box Cover

For 1987-1992 Peterbilt models. Measures 12″ wide x 30″ long. Sold individually.

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Part # : MD4450

Battery Box/Toolbox Panels

For 2007+ Peterbilt 389 and 388 models. Plain. Passenger side 32.69″ long x 13″ high. Driver side 30.44″ long by 12.75″ high.

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Part # : MD1416

Battery/Toolbox Panels

For 1993+ Peterbilt models except 579. Battery box cover measures 30.44″ wide x 12.75″ high. Tool box cover measures 30.44″ wide and 10.42″ high. Plain.

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Part # : MD8852

DEF TANK COVER – 23.62″ WIDE

For Peterbilt and Kenworth models. Measures 23.62″ wide. Sold individually. Replaces OEM part number M22-6108.

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Part # : MD8614

DPF Box Cover – Lower – 2018+ 389 Long Hood

For 2018+ Peterbilt 389 Long Hood (131″ BBC) models. Lower passenger side.

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Part # : MD5624

Passenger DPF Box Cover Kit

For 2011-2017 Peterbilt 389 models. Passenger side, includes upper and lower panels.

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Part # : MD0526

Toolbox Cover

For 1993+ Peterbilt models. Measures 10″ tall x 30″ wide.

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Dieter's will be closed for the holidays from Wednesday, December 24th, 2025, through Friday, January 2nd, 2026. Regular operations will resume on Monday, January 5th. Click here to view contact information.

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