Automobile · Diesel Repair & Conversions

Specialized Diesel and Conversions

17351 Beaton Rd SE, Suite 131, Monroe, Washington, 98272

Google Maps Updated: 19 May 2026
Authenticity Score: 95/100
About

Specialized Diesel and Conversions is widely considered the best diesel shop in the area. Customers rave about Mark's deep technical knowledge, honesty, and willingness to go above and beyond. It's a shop that attracts enthusiasts and those who need reliable, high-quality work. While they can be busy, the consensus is that the expertise and integrity are well worth the wait.

Our Review Process
20
Most Relevant
15
Newest
20
Highest rating
18
Lowest rating

We analyze 73 public reviews for Specialized Diesel and Conversions using our data models and filter out spam to highlight only authentic feedback.

Performance Scores
Service Quality 97/100
Transparency 94/100
Pro Tip

They are extremely busy; schedule your build or major repair well in advance to ensure you get a spot.

Diesel Specialists
Performance Builds
Pros & Cons

✓ What Works Well

  • Expert diesel knowledge
  • Honest and fair pricing
  • Goes above and beyond

✗ Areas to Improve

  • Can be very busy
  • Long wait times for appointments
  • Occasional communication gaps
Frequently Asked Questions
  • Do you work on my diesel engine?
  • How long for a build?
  • Are you open on weekends?
User Feedback

Best diesel shop around.

Honest and professional.

Highly recommend.