Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.

Automann · Probes & Sensors
577.90517
In stock · ships from Knoxville
This turbo boost sensor (pressure sensor) measures the intake manifold boost pressure on Cummins engines and sends the signal to the ECM.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 4 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Other applications
Other applications
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 4 of 4.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It is used to manage fuel delivery and air/fuel ratio, helping prevent black smoke and loss of power. A faulty sensor can cause rough running, poor fuel economy, and decreased performance. Common replacement on N14, L10, M11, and ISM engines from 1994 to 2003.
Part Number: 577.90517
PRESSURE SENSOR = 4921501
Dealer: Post Onsite
Compatibility, alternatives, and more