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GMHGR4

Auto-jet Part #

GMHGR4

Accessory

Chevrolet/GMC

Accessory for Chevrolet/GMC school buses. 350 / 366 / 454 CI engine.

Model

GM 40-50 SERIES KODIAK TOPKICK CHASSIS

Year Range

1996 & Up

Material

​

Outside Diameter

​

Overall Length

​

OEM Part Number

15053749

United Muffler Equivalent

​

Also Known As

​

Chevrolet/GMC Accessory, Auto-jet Part # GMHGR4

Cross-Reference Numbers

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Provide your OEM# when ordering.

Exhaust parts vary by bus configuration even within the same model and year.

Your OEM number is the most reliable way to confirm correct fitment.

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