# Best diesel repair shops in Willis

Data as of November 11, 2026. 6 shops, each scored out of 100 on review cadence, review sentiment, stated capabilities and years of experience. How the ranking works: [method](https://bestautorepairshops.com/method/) (markdown: https://bestautorepairshops.com/method/index.md).

| # | Shop | Neighbourhood | Known for | Score |
|---|---|---|---|---|
| 1 | [Elliott's Auto Repair & Diesel Specialist](https://bestautorepairshops.com/houston/elliotts-auto-repair-and-diesel-specialist/) | Willis | Diesel repair, Collision repair, Wheel alignment | 81/100 |
| 2 | [Black's Auto & Diesel Service](https://bestautorepairshops.com/houston/blacks-auto-and-diesel-service/) | Willis | ASE certified technicians, Diesel repair, Warranty on repairs | 56/100 |
| 3 | [Aj's Diagnostics LLC Complete Auto Repair (Mobile Mechanic Willis Texas)](https://bestautorepairshops.com/houston/ajs-diagnostics-llc-complete-auto-repair-mobile-mechanic-willis-texas/) | Willis | ASE certified technicians, Diesel repair, Wheel alignment | 49/100 |
| 4 | [JB Automotive & Performance](https://bestautorepairshops.com/houston/jb-automotive-and-performance/) | Willis | Diesel repair, Wheel alignment, Tire service | 42/100 |
| 5 | [C&J mobile mechanic](https://bestautorepairshops.com/houston/c-and-j-mobile-mechanic/) | Willis | Diesel repair, Engine diagnostics, Brake repair | 29/100 |
| 6 | [Zer0 Tech Mobile Repair LLC](https://bestautorepairshops.com/houston/zer0-tech-mobile-repair-llc/) | Willis | Diesel repair, Air conditioning repair, Engine diagnostics | 28/100 |

## 1. [Elliott's Auto Repair & Diesel Specialist](https://bestautorepairshops.com/houston/elliotts-auto-repair-and-diesel-specialist/)

Willis · since 1998 · 4.7 rating from 281 reviews

- Review cadence: 25/25
- Review sentiment: 21/25
- Capabilities: 10/25
- Years of experience: 25/25
- Total: 81/100

## 2. [Black's Auto & Diesel Service](https://bestautorepairshops.com/houston/blacks-auto-and-diesel-service/)

Willis · reviewed since at least 2024 · 4.8 rating from 215 reviews

- Review cadence: 21/25
- Review sentiment: 17/25
- Capabilities: 14/25
- Years of experience: 4/25
- Total: 56/100

## 3. [Aj's Diagnostics LLC Complete Auto Repair (Mobile Mechanic Willis Texas)](https://bestautorepairshops.com/houston/ajs-diagnostics-llc-complete-auto-repair-mobile-mechanic-willis-texas/)

Willis · reviewed since 2016 · 4.6 rating from 60 reviews

- Review cadence: 10/25
- Review sentiment: 13/25
- Capabilities: 11/25
- Years of experience: 15/25
- Total: 49/100

## 4. [JB Automotive & Performance](https://bestautorepairshops.com/houston/jb-automotive-and-performance/)

Willis · reviewed since 2024 · 5.0 rating from 49 reviews

- Review cadence: 10/25
- Review sentiment: 18/25
- Capabilities: 10/25
- Years of experience: 4/25
- Total: 42/100

## 5. [C&J mobile mechanic](https://bestautorepairshops.com/houston/c-and-j-mobile-mechanic/)

Willis · reviewed since at least 2025 · 5.0 rating from 24 reviews

- Review cadence: 5/25
- Review sentiment: 17/25
- Capabilities: 5/25
- Years of experience: 2/25
- Total: 29/100

## 6. [Zer0 Tech Mobile Repair LLC](https://bestautorepairshops.com/houston/zer0-tech-mobile-repair-llc/)

Willis · since 2024 · 4.0 rating from 32 reviews

- Review cadence: 10/25
- Review sentiment: 8/25
- Capabilities: 6/25
- Years of experience: 4/25
- Total: 28/100

## Questions

**Which diesel repair shop in Willis ranks highest?** [Elliott's Auto Repair & Diesel Specialist](https://bestautorepairshops.com/houston/elliotts-auto-repair-and-diesel-specialist/), with a score of 81 out of 100.

**Which diesel repair shop in Willis has the most reviews in the last 12 months?** [Elliott's Auto Repair & Diesel Specialist](https://bestautorepairshops.com/houston/elliotts-auto-repair-and-diesel-specialist/), with 80+ reviews in the last 12 months.

**Which diesel repair shop in Willis has the highest Google rating?** [JB Automotive & Performance](https://bestautorepairshops.com/houston/jb-automotive-and-performance/), rated 5.0 from 49 reviews.

**Which diesel repair shop in Willis has been open the longest?** [Elliott's Auto Repair & Diesel Specialist](https://bestautorepairshops.com/houston/elliotts-auto-repair-and-diesel-specialist/), founded in 1998, going by the year it states itself.

**How many shops does this ranking include?** 6 shops, each scored out of 100 on review cadence, review sentiment, stated capabilities and years of experience.