Custom Diesel Service LLC 24/7 Roadside Assistance and shop

Truck repair shop

4.7 4.7 from 172 reviews

Own Custom Diesel Service LLC 24/7 Roadside Assistance and shop? Claim this listing free →

Custom Diesel Service LLC 24/7 Roadside Assistance and shop is a heavy duty and fleet repair shop in Allentown, PA. It holds a 4.7 star rating from 172 customer reviews. Read the reviews and hours below, or call (800) 800-4237.

Services Offered

diesel truck repair, near me, Allentown, PA, USAtruck mechanic, near me, Allentown, PA, USAsemi truck repair, near me, Allentown, PA, USAdiesel service shop, near me, Allentown, PA, USAtruck diagnostics, near me, Allentown, PA, USAtransmission repair, near me, Allentown, PA, USAtruck repair, near me, Breinigsville, PA, USAdiesel repair, near me, Breinigsville, PA, USAtruck mechanic, near me, Breinigsville, PA, USAdiesel mechanic, near me, Breinigsville, PA, USAtruck repair shop, near me, Allentown PA USAmobile diesel mechanic, near me, Easton PA USAsemi truck repair, near me, Whitehall PA USAcommercial truck repair, near me, Emmaus PA USAroadside diesel repair, near me, Macungie PA USAtruck engine repair, near me, Northampton PA USA

As listed on its Google Business Profile. Own it? Claim the listing to set your own list.

Address1513-25 E Jonathan St, Allentown, PA 18109

MapOpen the map →

Phone(800) 800-4237

Websitehttp://www.customdieselservice.com/

Also onGoogle

Good to knowWomen ownedComes to youWheelchair accessible entranceWheelchair accessible parkingOil changesRestroom

PaymentsCredit cards, Debit cards, Tap to pay

Hours

See the full week

Monday	8 AM to 4:30 PM
Tuesday	8 AM to 4:30 PM
Wednesday	8 AM to 4:30 PM
Thursday	8 AM to 4:30 PM
Friday	9 AM to 5 PM
Saturday	Closed
Sunday	Closed

Custom Diesel Service LLC 24/7 Roadside Assistance and shop Reviews & Ratings

Customer reviews 4.7 4.7 · 172 reviewschecked 2026-09-21 See all reviews →

5 star158

4 star2

3 star1

2 star0

1 star11

5.0 Joshua P. 2026-08-20

Best shop. Very fast. In an out. Best prices. Thank you guys for everything.

5.0 Michelle R. 2026-08-06

Custom Diesel Service is fast and reliable.

5.0 Bryan M. 2026-07-18

I called after struggling to get my f-350 mason dump to start after draining the water/fuel separator and they were out there within the hour to help get it back up and running. I can’t thank them enough as what seemed to be a waste of a…

What Customers Mention

The topics that come up most in its Google reviews, and how many reviews raise each one.

Fair pricing 15Quick response 10Kind staff 5Skilled technicians 4Trailer repair 4Air leak repair 3Radiator repair 3Tire repair 3

Used this heavy duty? Leave a review.

Your review appears right here after a quick check. Stick to your own experience — no personal info, no promotion. Your email is never shown.

FOR THE OWNER

Is this your business?

Claiming is free and takes about five minutes. You get to fix the details, add photos, answer reviews, and show a verified badge that puts you above the unclaimed listings in Allentown.

Claim this listing free → Add a different business

No card, no contract. Run a shop crew? See the Supercanic franchise program.

Text a Repair AI That Knows Your Car.

Text (413) 288-6349 what the vehicle is doing. It decodes your VIN, checks the open recalls, and walks you through what to check first, in plain words. The first two answers are free.

Text (413) 288-6349

Need Work Done in Allentown? Get a Free Quote.

Tell us what the car is doing. A local mechanic calls you back, most requests get a call back the same day. No fee, no obligation.

💬 Request a Mechanic Quote →

What Car Repairs Cost in Allentown, PA

Typical independent shop prices at Pennsylvania labor rates, parts and labor, for a midsize car. Each guide shows the price for your vehicle and what to ask before you pay. See all 91 repair cost guides.

Fuel filter replacement cost $55 to $210 Brake fluid flush cost $70 to $175 Differential fluid change cost $70 to $230 Coolant flush cost $90 to $215 Wheel bearing replacement cost $175 to $650 Transmission fluid change cost $125 to $370