Sentinel Exhaust Brake for 1982–2000 Chevy & GMC 6.2L / 6.5L Diesel (Heavy Duty)

The Sentinel Heavy Duty Exhaust Brake delivers maximum, fully automated exhaust braking for 1982–2000 Chevy and GMC trucks equipped with the 6.2L and 6.5L diesel engines, reducing brake fade, protect service brakes, and maintain safer downhill speeds under frequent towing, heavy hauling, and commercial or work-truck use. Designed for demanding applications, the Heavy Duty Sentinel Exhaust Brake provides stronger, more sustained exhaust braking performance to better control speed on long downhill grades. The system is fully automated, opening and closing seamlessly with throttle input to provide consistent braking authority when it’s needed most. Installation is quick and straightforward—often completed in under an hour—and the system is backed by a lifetime warranty. Sentinel requires no ECM or TCM programming, no air compressor, and no special equipment. Powered by a durable, gear-reduced electric motor, it is an ideal exhaust braking solution for work trucks and high-demand diesel use.

Categories: DURAMAX, 1982–2000 Chevy / GMC 6.2L & 6.5L Diesel
SKU: 820056CHD

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$1,650.00

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Description

Sentinel Exhaust Brake – Heavy Duty

1982–2000 Chevy & GMC 6.2L / 6.5L Diesel

Key Features

Heavy Duty electric inline exhaust brake — no air system required
Designed for sustained braking under heavy load
Fully automated operation (manual option available)
No ECM, PCM, or tuning required
Simple installation with basic tools
Ideal for frequent towing, hauling, and work trucks
Backed by a lifetime warranty

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Performance & Use Case

The Heavy Duty Sentinel Exhaust Brake is best suited for:

Heavy trailers and frequent towing
Work trucks and commercial use
Long downhill grades
Trucks that regularly operate under load

This version is engineered to provide maximum braking authority where standard braking systems are often overwhelmed.

Safety Benefits

Enhanced downhill speed control under heavy load
Reduced brake overheating on long grades
Lower wear on service brakes
Increased stability and driver confidence

Fitment

Compatible with:
1982–2000 Chevy & GMC 6.2L and 6.5L diesel trucks

Fitment is based on exhaust pipe diameter and available clearance. Bundy Motors can assist with fitment confirmation before ordering.

Warranty

Every Sentinel Heavy Duty Exhaust Brake is backed by a lifetime warranty, reflecting its durability and heavy-use design.

FAQ – Heavy Duty

Do I need an air system or programming?
No. Sentinel is fully electric and requires no engine programming.

Should I choose Standard or Heavy Duty?

- Choose the Standard Duty Sentinel Exhaust Brake if: You tow occasionally or recreationally or your truck is used for non-commercial purposes and your engine is mostly stock.

The Standard Duty version provides excellent exhaust braking for everyday driving and typical towing needs

- Choose the Heavy Duty Sentinel Exhaust Brake if: You tow frequently or haul heavy loads or your truck is used for commercial or work-truck applications or your engine is modified with a performance turbo or injection system.

The Heavy Duty version is designed for sustained braking under demanding conditions.

Is installation more complex than Standard?
No. Installation is similar and can typically be completed in 1–3 hours with basic tools.

Click here for: Sentinel Exhaust Brake for 1982–2000 Chevy & GMC 6.2L & 6.5L Diesel (Standard)