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Part # : MD590

Rear Air Cleaner Light Bars

For 1987+ Peterbilt 388, 389, 379 and 378 models. For standard air cleaners. With X3RCG2 LED lights.

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Part # : MD1097

Rear Air Cleaner Light Bars

For 2005+ Peterbilt 388, 389, 379 and 378 models. For standard 15″ Donaldson. With X3RG2 LED lights.

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Part # : MD0233

Rear Air Cleaner Light Bars

For 1987+ Peterbilt 377, 378, 379, 388 and 389 models with Vortox air cleaners. With X3RG2 LED lights.

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Part # : MD0234

Rear Air Cleaner Light Bars

For 1987+ Peterbilt 378, 379, 388 and 389 models with standard cans. With X3RG2 LED lights. Measures 17.86″ long and have a 4.34″ mount. Fits both Donaldson and Vortox air cleaners.

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Part # : MD592

Rear Air Cleaner Light Bars

For 1987+ Peterbilt 378, 379, 388 and 389 models with standard air cleaners. Measure 17.86″ long with a 4.34″ mount. With 6 X3RCG2 LED lights.

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Part # : MD1098

Rear Air Cleaner Light Bars

For 2005+ Peterbilt 389, 388, 379 & 378 models with 15″ standard Donaldson air cleaners. With X3RCG2 LED lights. Measures 25.18″ long with a 8″ mount.

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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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