About Us
About Us
Built for Your Heavy-Duty Fleet
Your trucks depend on parts that perform, shift after shift, mile after mile. That’s why we build our heavy-duty transmission air control valves to strict OE specifications — for a precise fit and reliable performance you can count on.
We focus on what matters most to you: consistent quality, parts that last, and orders that ship fast to keep your fleet moving.
We are Tritenco, a US-based heavy-duty transmission parts manufacturer focused on keeping your fleet moving.
Precision Fit You Can Trust
Built to OEM specifications, our valves are designed to fit right the first time and perform reliably, so you don’t have to worry about comebacks.
Direct-Fit Compatibility for Your Transmission
Our valves are made as direct-fit replacements for transmissions in heavy-duty commercial trucks, and work with most Eaton Fuller and equivalent systems.
Built to Keep You On The Road
Engineered to handle the demands of long-haul, construction, and logistics fleets, these parts work as hard as your trucks do, every mile.
500+
Fleets & Shops Served
Fast shipping
Orders Ship Quickly
4.9/5
Average Customer Satisfaction
How We Work For You
Your Journey From Order To Delivery
Where to Find Us Online
Shop our parts on Amazon, eBay, or reach out via our site to get started. We’re where you already buy parts, so you can order with confidence.
Flexible Ways To Place Your Order
Order online, request a quote, or reach out directly — we make it simple. Whether you need one valve or bulk parts for your fleet, we’re here to help.
Fast & Reliable Shipping
Parts ship from our facilities quickly, so you get what you need when you need it. No long waits, no downtime.
Support You Can Count On
We’re here to help with fit, compatibility, and order questions.
And as your heavy-duty transmission parts manufacturer, we stand behind every part we make.
Sustainability
Built to Keep Your Trucks On The Road
Your fleet depends on parts that work reliably, shift after shift. We build transmission valves to strict specifications, so you get consistent performance and fewer breakdowns.
Our production process is certified to IATF 16949 and ISO 9001 standards, so every part meets global quality requirements.
Designed for Real-World Heavy-Duty Use
We build our valves to handle the daily demands of your trucks — from the parts that fit right the first time, to the performance that keeps you moving, shift after shift.
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OE-Quality Part :
Built to match OEM specifications, so they fit and perform just like the original parts.
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Fast Order Fulfillment :
Most orders ship quickly, so you don’t have to wait weeks for a replacement valve.
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Direct-Fit Replacements :
Designed to drop right in, so your techs don’t waste time modifying parts.
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Reliable Performance :
Engineered to handle the daily demands of heavy-duty trucks, mile after mile.
Trust and Worth
Trusted by Fleets & Repair Shops
As a Heavy-Duty Transmission Parts Manufacturer, Built to IATF 16949 Standards
Our valves are manufactured to meet IATF16949 quality management system standards — the global benchmark for automotive and heavy-duty parts. This certification guarantees consistent quality, strict process control, and reliable performance you can trust, shift after shift.
✅ Consistent Fit & Function
Every valve meets strict dimensional and performance standards, designed to work seamlessly with Eaton Fuller and equivalent heavy-duty transmissions, so it fits right the first time, no modifications needed.
✅ Long-Lasting Reliability
Built to withstand the harsh demands of heavy-duty trucks, reducing unexpected breakdowns and costly downtime.
✅ Process You Can Trust
From raw material to final testing, every step follows IATF 16949 protocols, so you get the same quality every time you order.
These standards are why fleets and repair shops across North America rely on Tritenco for parts that perform consistently, shift after shift. Every valve we make — including our [A-5000, K-3331, and A-4740 series] — is built to the same strict specifications, so you can order with confidence.
Precision Clean
A-5000 valve bodies in ultrasonic cleaning
Sealed for Reliability
Impregnation for Leak Prevention
Built to Last
Tested for Tightness
Proven On The Road
Reliable In Real-World Use
Proven On The Road
Built for Real Fleets
Repaired & Ready
Full Valve Kit Installed
