What We Fix
Complete diesel repair for owner-operators and fleets in the Rio Grande Valley
Engine & Powertrain
- Complete engine diagnostics
- Fuel system & injector service
- DPF/EGR/aftertreatment repair
- Turbocharger rebuild
- Oil & fluid leak repair
Cummins, Detroit, CAT, PACCAR specialists.
Brake & Air Brake Systems
- Air brake leak repair
- Brake adjustment & calibration
- ABS diagnostics & repair
- Brake drum/rotor service
- S-cam & slack adjuster
#1 DOT violation — we make sure yours pass.
Electrical & Lighting
- Battery & starter diagnostics
- Alternator replacement
- Full electrical troubleshooting
- DOT lighting compliance
- ABS indicator repair
OEM diagnostic tools for every platform.
Tires & Wheels
- Commercial tire replacement
- Tire pressure monitoring
- Wheel bearing service
- Alignment checks
- Flat repair & patching
Keep your rig rolling safely on US-77 & US-83.
Preventive Maintenance
- PM Service packages
- Oil & filter changes
- Chassis lubrication
- Fluid flushes
- Belt & hose inspection
Keep your truck earning, not sitting idle.
DOT Inspection & Compliance
- Annual DOT inspections
- Pre-trip inspection prep
- CSA score consultation
- Violation repair & re-inspection
Critical for cross-border truckers near the Mexico border.
Emergency & Roadside Assistance
Truck broke down in the Rio Grande Valley? Call us now. We’ll get you back on the road as fast as possible. Open until 8 PM Mon–Sat.
Computer
Diagnostics
OEM-level diagnostic scanners that pinpoint issues fast — saving you time and money on unnecessary repairs. We read, diagnose, and fix it right the first time.
Full ECM/ECU Scanning
Read & clear fault codes across engine, transmission, ABS, and aftertreatment
Live Data Monitoring
Real-time sensor readings: boost pressure, EGT, fuel rail, DEF quality
DPF Regen & Reset
Force regen, reset aftertreatment counters, clear derate conditions
Parameter Programming
Speed limiters, idle shutdown, PTO config, injector calibration
Accurate Diagnosis = Lower Cost
No guesswork. We find the exact problem so you only pay for what needs fixing.
Why Choose Los Herederos
Perfect 5.0 Rating
13 Google reviews — every single one is 5 stars. That’s not luck, that’s commitment to excellence.
Extended Hours
Open 8 AM to 8 PM, Monday through Saturday. 12 hours a day so you can get back on the road.
Honest & Fair Pricing
Reliable, honest, and fair in prices — our customers' words, not ours. No surprise charges, ever.
Se Habla Español
Fully bilingual. Serving the Brownsville & Rio Grande Valley trucking community on the border.
Brands We Service
Truck Manufacturers
Engine & Component OEMs
Our Shop
What Truckers Say
Based on 13 Google Reviews — Every Single One is 5 Stars
“Strongly recommended. Reliable, honest and fair in prices. Been getting my trucks serviced by this shop for years. Will continue doing business with this shop.”
“This is an incredible shop with impeccable service. They are incredibly honest, thorough, and highly competent. This shop goes above and beyond.”
“Good guys, Fast and good priced. Highly recommended this shop. Changed fan clutch on my Volvo, super fast. Think no more!”
Contact Us
Phone
(956) 455-1325Address
2703 Avenida Jeffery, Brownsville, TX 78526
Hours
Monday – Saturday: 8:00 AM – 8:00 PM
Sunday: Closed