Need help? We're here!
(888) 312-8812 Login SignupA well-maintained engine brake ensures that every descent, stop, and slow-down happens with no issues. The Cummins Engine Brake Tune Up Kit is a call to action against mechanical failure, unnecessary wear, and preventable breakdowns that plague vehicles when maintenance is ignored. This kit is about keeping an engine in check and making roads safer for everyone who shares them. When dealing with engine braking issues, make sure to address them with the Cummins 3871704 before they escalate into costly repairs or dangerous situations on the road.
| Brand | Part Number |
|---|---|
| 3871704 |
Be the first to review this product!
Be the first to ask a question about this product!
Optional. Please do not use your full name.
Minimum 10 characters, maximum 500 characters
You can upload up to 3 images to help illustrate your question. Supported formats: JPG, PNG, GIF, WebP
Please complete the reCAPTCHA verification to submit your question.
California residents see

