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Part # : MD4191

Front Air Cleaner Light Bars

For 1987+ Peterbilt 389, 388, 379 and 378 models. For standard cans. With 2″ round amber clear starburst LED lights.

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Part # : MD9086

Premium Front Air Cleaner Light Bar

For 2005+ 389, 388, 379 and 367 SFA models with 15″ premium can. With 8 X3AG2 LED lights. Measures 25.50″ long with 6.50″ mount.

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Part # : MD9089

Premium Rear Air Cleaner Light Bar

For 2005+ Peterbilt 389, 388, 379, 378 and 367 SFA models with 15″ premium can. With 8 X3RG2 LED lights. Measures 22.25″ long with 6.40″ mount.

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Part # : MD9090

Premium Rear Air Cleaner Light Bars

For 2005+ Peterbilt 389, 388, 379, 378 and 367 SFA models with 15″ premium can. With X3RCG2 LED lights. 22.25″ long with 6.40″ mount.

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Part # : MD4194

Rear Air Cleaner Light Bars

For Peterbilt 389, 388, 379 and 378 models. Standard can. With 2″ round red clear starburst lights with bezels.

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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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