Blackline Automotive

Built for Performance.Driven by Trust.

Full-service auto and diesel repair from a team with racing-grade expertise. From oil changes to engine swaps — done right, every time.

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What We Do

Our Services

Engine Repair

Complete engine diagnostics, rebuilds, and performance tuning.

Engine Repair

From minor repairs to full engine swaps. We handle gasoline and diesel engines with precision.

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Diagnostics

Advanced computer diagnostics for all makes and models.

Diagnostics

State-of-the-art scan tools and decades of experience to pinpoint issues fast.

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Transmission

Manual and automatic transmission service and repair.

Transmission

Fluid changes, rebuilds, and complete replacements. We keep your drivetrain smooth.

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Oil & Fluids

Full-synthetic oil changes and fluid maintenance.

Oil & Fluids

Preventive maintenance that extends the life of your vehicle. Quick turnaround.

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Brake Service

Pads, rotors, calipers, and complete brake system work.

Brake Service

Your safety is non-negotiable. Quality parts, tested before it leaves the shop.

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Electrical

Wiring, alternators, starters, and electrical diagnostics.

Electrical

Modern vehicles are complex. We trace and repair faults others can't find.

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Diesel & Fleet

Heavy-duty diesel repair and fleet maintenance programs.

Diesel & Fleet

Specialized diesel expertise for trucks, equipment, and commercial fleets.

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Suspension

Shocks, struts, alignment, and steering components.

Suspension

Ride quality and handling restored. From daily drivers to performance builds.

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Blackline Automotive garage interior
Racing
Heritage
Our Story

More Than
a Mechanic Shop

Formerly Peterson Auto Repair, Blackline Automotive carries forward a legacy of precision and performance rooted in competitive racing. That same intensity from the track drives everything we do in the shop.

Located at 449 Knutson St in Mapleton, ND, we serve the Fargo-Moorhead area with full-service auto and diesel repair. Every vehicle gets the same attention to detail demanded on the track.

When your livelihood depends on your equipment, you need a shop that treats every repair like it matters — because it does.

100%

Commitment

All Makes

& Models

0%

Satisfaction

0

Knutson St

0 Days

Mon — Fri

0

Team You Trust

The Blackline Difference

Why Choose Us

Honest Pricing

No hidden fees, no upsells. We quote fair and stand behind our work.

Fast Turnaround

We respect your time. Most jobs completed same-day or next-day.

Race-Grade Quality

The same precision we put into race builds goes into every repair.

Fleet Friendly

Dedicated fleet maintenance programs to keep your business moving.

Ready to Get
Your Vehicle Right?

Call us today or stop by the shop. We'll get you back on the road — fast.