Background Material: Wine Country Area Dealers - Software Upgrade for Diesel Trucks

This page last reviewed May 25, 2010

This page lists authorized dealers in the Wine Country Area that can install Low NOx Software for eligible 1993-1998 diesel engines. Wine Country Area includes Marin, Napa, and Sonoma counties.

Redwood Reliance Peterbilt 7911 Redwood Drive Cotati 94931 707-795-0081
101 International 6100 Redwood Drive Rohnert Park 94928 707-584-1610
Peterson Tractor Co. 3710 Regional Pkwy Santa Rosa 95403 707-576-1616

The dealers listed on this page are authorized to install Low NOx Software in eligible engines. To update this information, please contact Lisa Jennings at (916) 322-6913 or at

Software Upgrade for Diesel Trucks