01654 711991
Tywyn’s Trusted Local Garage — Gwalia Garage Site

MOT Testing · Vehicle Repairs · Tyres in Tywyn, Gwynedd

01654 711991

Modurol Dyfi Ltd — based at the well-known Gwalia Garage site on Gwalia Road, Tywyn — provides trusted MOT testing (Class 4, 5 & 7), vehicle repairs, servicing, tyres, wheel alignment and underseal protection for drivers across Gwynedd and Mid Wales.

Call Now WhatsApp Us Book an MOT Get Directions
MOT Class 4, 5 & 7
Local Tywyn Garage
Wheel Alignment
Tyres Supplied & Fitted
Repairs & Servicing
Friendly Local Service
What We Do

Our Services

From routine servicing to full vehicle repairs, MOT testing and tyre fitting — all with honest advice and fast turnaround at our Tywyn garage.

01

Vehicle Repairs

Comprehensive diagnostic and repair for all makes and models. Brakes, exhausts, suspension, engine faults and more — fast, reliable service in Tywyn.

Book a Repair
02

Servicing & Maintenance

Interim, full and major services to manufacturer specifications. Regular servicing keeps your vehicle safe, efficient and holds its value long-term.

Book a Service
03

MOT Testing

Authorised MOT test centre for Class 4, 5 and 7 vehicles. Quick appointments, honest results and on-site repairs if needed. Call to book in Tywyn.

MOT Info
04

Wheel Alignment

Precision 4-wheel alignment improves handling, extends tyre life and saves fuel. Quick to carry out with a significant and immediate difference.

Learn More
05

Underseal Protection

Protect against Welsh coastal salt, moisture and road grit with professional underseal. Preserve your vehicle’s structure and value for years to come.

Learn More
06

Tyres & Puncture Repairs

Wide range of tyres supplied and fitted for all vehicles. Puncture repairs, wheel balancing and tyre pressure checks across Gwynedd and Mid Wales.

Tyre Services
Why Choose Us

A Garage You Can Trust

Honest advice, fair pricing and quality work — every time. No surprises, no unnecessary extras.

Trusted Locally
Serving Tywyn from the well-known Gwalia Garage site for years.
Honest Advice
We tell you what your vehicle needs — nothing more.
Modern Equipment
Up-to-date diagnostics and alignment technology.
Fast Turnaround
We respect your time and aim to complete work quickly.
Experienced Mechanics
Qualified technicians across all vehicle makes and types.
Friendly Service
Approachable and professional on every visit.
Vehicle on 4-wheel alignment equipment at Modurol Dyfi garage workshop, Tywyn Gwynedd
3
MOT Classes:
4, 5 & 7
0
MOT Classes Tested
0+
Services Offered
0%
Honest Service Every Time
0/5
Customer Rating
MOT Testing Tywyn

Class 4, 5 & 7 MOT Tests

Modurol Dyfi Ltd is an authorised DVSA MOT test station in Tywyn, Gwynedd. We test Class 4 cars and light vans, Class 5 larger passenger vehicles, and Class 7 goods vehicles — covering the full range of personal and light commercial transport across Gwynedd and Mid Wales.

4
Cars & Light Vans
Up to 8 seats
5
Passenger Vehicles
9–12 seats
7
Goods Vehicles
Up to 3,500kg
Official DVSA-authorised MOT test centre
Quick, convenient appointments — call to book
On-site repairs if your vehicle fails its test
Honest results with no unnecessary upselling
Serving Tywyn, Aberdyfi, Dolgellau and Gwynedd
Call to Book Your MOT
Class 7 MOT test at Modurol Dyfi Tywyn — commercial vehicle on hydraulic lift in the workshop
Tyres & Wheel Alignment Tywyn

Tyres, Alignment & More

We supply and fit a wide range of tyres for all vehicles, carry out wheel alignment and balancing — getting it right, first time.

BMW on precision 4-wheel alignment equipment at Modurol Dyfi garage Tywyn — tyre and alignment service Gwynedd
Tyre Supply & Fitting
Budget, mid-range and premium tyres supplied and fitted for all vehicles.
Puncture Repairs
Fast, affordable puncture repairs to get you back on the road.
Wheel Balancing
Eliminates vibration and uneven wear for a smoother ride.
4-Wheel Alignment
Protects tyres, improves handling and saves fuel.
Call About Tyres
Underseal Protection Tywyn

Shield Your Vehicle from Welsh Weather

Welsh coastal salt, heavy rain and road grit attack your vehicle year-round. Underseal protection creates a tough barrier against rust and corrosion.

Coastal & Salt Protection
Welsh coastal air and winter road salt attack exposed metal underbodies. Professional underseal creates a waterproof barrier that stops corrosion before it starts.
Long-Term Vehicle Care
Undersealing significantly extends vehicle life — especially important in the wetter climate of Gwynedd and Mid Wales.
Preserves Vehicle Value
Rust damage is costly and largely preventable. Underseal is one of the smartest long-term investments for your vehicle.
Enquire About Underseal
Modurol Dyfi Ltd — Gwalia Garage Tywyn exterior on a sunny day
About Us

Tywyn’s Local Garage

Modurol Dyfi Ltd operates from the well-known Gwalia Garage site on Gwalia Road, Tywyn — a name local drivers have trusted for vehicle care for many years.

We serve drivers across Tywyn, Aberdyfi, Dolgellau, Machynlleth and across Gwynedd and Mid Wales. Our team combines hands-on experience with modern diagnostic equipment to deliver accurate, reliable results every time.

We’re a real local garage — approachable, straightforward and committed to treating every customer with the care they deserve.

01654 711991 Get in Touch
Customer Reviews

What Our Customers Say

Trusted by drivers across Tywyn, Gwynedd and Mid Wales.

“Brought my car in for an MOT — sorted quickly, fair price, no unnecessary extras. Exactly the honest service you hope for locally.”

DW
David W.
Tywyn, Gwynedd

“Really impressed with the wheel alignment — noticed the difference straight away. Car handles so much better. Professional and very friendly.”

SJ
Sarah J.
Aberdyfi

“Had a puncture on a Friday afternoon and they got me back on the road within the hour. Fantastic service, great value. The only garage I’ll use here.”

ML
Mark L.
Dolgellau

“Had my van undersealed here — great job, done properly. Explained everything clearly. Top-quality work at a very fair price.”

RT
Rhys T.
Tywyn

“Fast, honest and great communication. They had the parts ready and my car was back the same day. Refreshing to find a garage you can actually trust.”

EH
Elaine H.
Machynlleth

“Booked a full service and MOT together. Competitive pricing, proper job done, kept me updated throughout. Exactly what you want from a local garage.”

JO
James O.
Tywyn, Gwynedd
Common Questions

Frequently Asked Questions

Do you offer MOT testing in Tywyn?

Yes. We are an authorised DVSA MOT test centre in Tywyn, Gwynedd, testing Class 4, Class 5 and Class 7 vehicles. Call 01654 711991 to book.

What’s the difference between Class 4, 5 and 7 MOT?

Class 4 covers cars and light vans up to 8 seats. Class 5 covers passenger vehicles with 9–12 seats such as minibuses. Class 7 covers goods vehicles up to 3,500kg such as larger vans and light commercials.

Can you repair my car if it fails its MOT?

Yes. If your vehicle fails, we carry out the required repairs on-site at our Tywyn workshop and arrange a retest. Call 01654 711991 to discuss.

Do you supply and fit tyres in Tywyn?

Yes. We supply and fit budget, mid-range and premium tyres for cars, vans and commercials, plus wheel balancing and puncture repairs.

Why is underseal important in Wales?

Welsh coastal weather, road salt and high rainfall accelerate rust and corrosion on vehicle underbodies. Professional underseal creates a durable waterproof barrier — particularly vital in Gwynedd and Mid Wales.

Where are you located?

Gwalia Road, Gwalia Industrial Estate, Tywyn, LL36 9DH — the site of the well-known former Gwalia Garage. We serve Tywyn, Aberdyfi, Dolgellau, Machynlleth and wider Gwynedd.

Still Have Questions?
We’re Here to Help

Can’t find the answer? Call us directly — we’re always happy to chat through what your vehicle needs.

Call 01654 711991 Email Us
Follow us on Facebook for news & offers
Follow on Facebook
Get in Touch

Contact Us

Ready to book your MOT, arrange a service or have a question? We’re always happy to help.

Phone
01654 711991
Email
Moduroldyfiltd@outlook.com
Address
Gwalia Road, Gwalia Industrial Estate
Tywyn, Gwynedd, LL36 9DH
Opening Hours
Monday8:00–17:30
Tuesday8:00–17:30
Wednesday8:00–17:30
Thursday8:00–17:30
Friday8:00–17:30
Saturday8:00–12:00
SundayClosed

* Please call to confirm — hours may vary.

Open in Google Maps WhatsApp 07955 525441
Send an Enquiry
Call WhatsApp Book MOT