Exhaust Brake Actuator for 1987-2012 Kenworth T800 & More - Dorman 904-7125

$184.99

Dorman - HD Solutions Exhaust Brake Actuator 904-7125

Dorman - HD Solutions Exhaust Brake Actuator 904-7125 - view 2

Dorman - HD Solutions Exhaust Brake Actuator 904-7125 - view 3

Dorman - HD Solutions Exhaust Brake Actuator 904-7125 - view 4

Part number: 904-7125

UPC: 885484457089

Condition: New

Weight: 0.50 LBS

Item Package Quantity: 1

$184.99

Current Stock: 8

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Dorman - HD Solutions Exhaust Brake Actuator P/N:904-7125

$184.99

Description

Dorman 904-7125 exhaust brake actuator for the 1987-2012 Kenworth T800 and other vehicles is a solenoid that operates the exhaust brake. It is part of Dorman's HD Solutions line.

Solenoid design with an inline mount
Quality materials chosen for dependable performance and a long service life
Replacement actuator for units that have failed from collision damage or fatigue

Quick facts

Part: Dorman 904-7125 exhaust brake actuator
Fits: the 1987-2012 Kenworth T800 and other vehicles
Condition: New

A failing actuator can show up as an exhaust brake that does not engage, does not release or works only now and then. These signs alone do not prove the actuator is the problem, since a wiring or connector fault can look the same.

Fits

This actuator is a direct replacement for the 1987-2012 Kenworth T800. The vehicles it fits also include the 2008-2011 Peterbilt 365 6-cylinder 8.9L, 10.8L or 12.5L, along with many other vehicles.

Specifications

Fit and size

Quantity per vehicle: 1
Pipe inlet inside diameter: 0.12 in
Pipe outlet inside diameter: 0.12 in
Mount type: inline

Build and materials

Type: solenoid
Flange material: rubber and metal
Condition: new
Country of origin: China

In the box

One exhaust brake actuator; the listing holds one and each vehicle needs one. Mounting hardware is not included, so plan on new fasteners.

Interchange: 3871707

Manufacturer's description

Product specs

Vehicles it fits

Interchange numbers

This part cross-references / interchanges with the following part numbers:

3871707

Buyer's Q&A

Frequently Asked Questions

Does the Dorman 904-7125 exhaust brake actuator fit a 1987-2012 Kenworth T800?

Yes. Dorman 904-7125 fits the 1987-2012 Kenworth T800 and the 2008-2011 Peterbilt 365 6-cylinder 8.9L, 10.8L or 12.5L. For any other vehicle, look it up in the "Vehicles it fits" section.

What do I get with the Dorman 904-7125 exhaust brake actuator, and is hardware included?

You get one exhaust brake actuator. Mounting hardware is not included, so have new fasteners ready.

What size are the pipe connections on this exhaust brake actuator?

Both the pipe inlet and the pipe outlet have an inside diameter of 0.12 in. The actuator is a solenoid with an inline mount.

How do I know if my exhaust brake actuator is failing?

Signs can include an exhaust brake that will not engage, will not release or works only at times. A shop can test the actuator and its circuit to confirm.

Does 3871707 cross-reference to the Dorman 904-7125 exhaust brake actuator?

Yes. 3871707 is listed as an interchange number for this Dorman 904-7125 exhaust brake actuator.