---
title: "MH Parts and Equipment Services — Clean Truck Check, Gonzales, CA"
description: "MH Parts and Equipment Services in Gonzales, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD)…"
url: "https://ctcfinder.com/tester/mh-parts-and-equipment-services-gonzales/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# MH Parts and Equipment Services

Clean Truck Check tester in Gonzales, CA (Monterey County).

> CTC Finder is an independent directory, not affiliated with CARB. Tester data: CARB Clean Truck Check public tester list, last checked November 1, 2026. Confirm services, hours and prices with the tester.

| Field | Value |
|---|---|
| Location | 539 Delmonte Dr, Gonzales, CA 93926 |
| County | Monterey County |
| Phone | (831) 710-1878 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks MH Parts and Equipment Services can test

| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Yes |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Yes |
| Diesel, model year 2012 or older (no OBD) | Smoke opacity test (SAE J1667) plus visual inspection | Yes |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |

## Clean Truck Check testers in Monterey County

MH Parts and Equipment Services is one of 37 testing businesses in Monterey County on CARB's public tester list. 33 of them offer mobile testing and 11 do smoke opacity tests. In Gonzales itself there are 3 listed businesses, 3 of them mobile.

## When your truck is due

Most trucks test twice a year, on a schedule tied to the DMV registration expiration date. CARB says OBD trucks move to four tests a year beginning October 2027. California-registered (non-commercial) motorhomes and agricultural vehicles test once a year. See the [deadline guide](https://ctcfinder.com/guide/deadlines-2026-2027/). You can test up to 90 days before a deadline. Free email reminders: https://ctcfinder.com/reminders/

## Frequently asked questions

### Does MH Parts and Equipment Services offer mobile Clean Truck Check testing?

Yes. MH Parts and Equipment Services says on CARB's tester list that it offers mobile testing, so it can come to your yard or job site. Ask about a trip fee when you call.

### Can MH Parts and Equipment Services test a 2012 or older diesel truck?

Yes. MH Parts and Equipment Services lists smoke opacity testing, the test CARB requires for diesel trucks of model year 2012 and older (no OBD). See [OBD vs smoke opacity](https://ctcfinder.com/guide/obd-vs-smoke-opacity-test/).

### How much does MH Parts and Equipment Services charge for a Clean Truck Check?

MH Parts and Equipment Services has not published prices with us; call (831) 710-1878 for a quote. Published California prices are usually $50–$135 per vehicle for an OBD test and $190–$200 for a smoke opacity test, plus CARB's annual fee ($32.13 in 2026). See the [cost guide](https://ctcfinder.com/guide/cost/).

### Is MH Parts and Equipment Services a CARB-credentialed tester?

MH Parts and Equipment Services appears on CARB's public Clean Truck Check tester list, last checked November 1, 2026. Only credentialed testers can submit results to CARB; after the test, confirm the passing result shows for your vehicle in CTC-VIS.

## Other testers nearby

- **[Isaiah Banuelos](https://ctcfinder.com/tester/isaiah-banuelos-gonzales/)** — Gonzales, CA 93926 — (831) 261-5095 — 1 mi. Services: mobile testing, OBD testing.
- **[Salinas Valley Emissions LLC](https://ctcfinder.com/tester/salinas-valley-emissions-llc-gonzales/)** — 434 Brockmann Dr, Gonzales, CA 93926 — (831) 537-4397 — 1 mi. Services: mobile testing, OBD testing.
- **[Express Truck and Trailer Services](https://ctcfinder.com/tester/express-truck-and-trailer-services-soledad/)** — 149 Nestles Rd, Soledad, CA 93960 — (831) 705-9207 — 9 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Jose Diaz](https://ctcfinder.com/tester/jose-diaz-soledad/)** — Soledad, CA 93960 — (831) 821-0165 — 9 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Premier Smogs](https://ctcfinder.com/tester/premier-smogs-soledad/)** — 801 Front St, Soledad, CA 93960 — (831) 305-3969 — 9 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Enrique salinas](https://ctcfinder.com/tester/enrique-salinas-salinas/)** — Salinas, CA 93908 — (408) 656-1176 — 13 mi. Services: mobile testing, OBD testing.