RV Awnings
Weather-resistant awning fabrics plus replacement arms and brackets, professionally installed by our team.
- Awning fabric
- Arms & brackets
- Expert installation
Family-owned in St. Charles since 1975
Mon–Fri 7:30 AM – 5:00 PM
3309 New Town Blvd, St. Charles
RV Parts & Accessories
RV Parts & Accessories in St. Charles, MO
Complete RV Service & Body Shop sells RV parts and accessories, from awnings, tires and A/C units to batteries and horse trailer parts, and our technicians install them right here in our St. Charles shop. We carry parts for cars and trucks too, and serve RV owners across St. Peters, O'Fallon, Wentzville and the St. Louis area.
- Tires RV, Truck & Car
- 15 Oversized Bays
- RVDA Certified Technicians
- 5.0★ ~250 Google Reviews
Parts From People Who Use Them
The Right Part, Installed Right
A big-box store can sell you a part. We can tell you whether it's the right one for your rig, and then put it on. Our technicians install the parts and accessories we sell every day, so you get honest advice on what fits, what lasts and what's worth the money.
We stock replacement parts, maintenance components and convenience upgrades for motorhomes, travel trailers and campers, plus parts for cars and trucks. Not sure what you need? Call with your make, model and year and we'll help you sort it out.
Featured: Tires
RV, Truck & Car Tires in St. Charles, MO
Complete RV sells and installs tires for motorhomes, travel trailers, fifth wheels, trucks and cars. We match the right tire to your vehicle, your load and the way you drive, then mount, balance and align it in our 15-bay shop, so you leave ready for the road.
Tire Services
- New tire sales: RV, truck & car
- Mounting & installation
- Wheel balancing
- Tire rotations
- Precision wheel alignment
- Tire & tread inspections
Tires We Fit
- Class A, B & C motorhomes
- Travel trailers & fifth wheels
- Toy haulers & campers
- Horse & utility trailers
- Pickups & work trucks
- Cars & SUVs
Signs You Need New RV Tires
- Cracks in the sidewall or tread
- Bulges or blisters
- Uneven or low tread
- Tires more than 5–6 years old
- Vibration or pulling on the highway
- RV sat for a season in the sun
How Old Are Your RV Tires? Check the DOT Code.
RV tires usually age out before the tread wears out, because they sit for months and bake in the sun. Find the DOT code on the sidewall: the last four digits are the week and year the tire was made. 2321 means the 23rd week of 2021. Many tire makers recommend replacing RV tires every 5 to 6 years regardless of tread. Not sure? Bring it in and we'll check.
RV tire tips from our technicians
- Check pressure cold, before every trip, at the pressure on your RV's load sticker.
- Don't overload. Weight beyond the tire's rating is a leading cause of RV blowouts.
- Cover them in storage to block UV and slow sidewall cracking.
- Replace as a set on the same axle for even handling and wear.
Shop by Category
RV Parts, Tires & Accessories We Carry
Call for availability and pricing. Most parts can be installed by our technicians the same visit.
RV Accessories
The gear and utilities that make your RV feel like home, for the campground and the road.
- Convenience upgrades
- Travel accessories
- Maintenance supplies
RV, Truck & Car Tires →
Tires matched to your RV or vehicle and the way you drive, chosen for safety, durability and performance.
- RV tires
- Car & truck tires
- Mounting & installation
RV A/C Units & Covers
Efficient replacement RV air conditioners and durable covers that protect your rooftop unit from Missouri weather.
- Rooftop A/C units
- A/C covers
- A/C installation
RV Batteries
Reliable, long-lasting RV batteries built for life on the road, installed and tested by our technicians.
- RV house batteries
- Battery installation
- Electrical checks
Horse Trailer Parts & Service
Parts and maintenance that keep your trailer safe for the animals you haul, including wheel bearing packing.
- Wheel bearing packing
- Trailer maintenance
- Replacement parts
How It Works
Getting the Right Part Is Easy
- Call or Stop InCall 636-246-8932 or visit us at 3309 New Town Blvd.
- Tell Us About Your RigShare the make, model and year, or bring the old part.
- We Match the PartWe help you choose the right part and check availability.
- Install It or Take ItTake it home, or let our technicians install it in our shop.
Why Buy Parts Here
Parts Counter and Repair Shop Under One Roof
- Expert advice from technicians who install these parts every day
- Professional installation in our 15-bay St. Charles shop
- RV, car and truck parts in one place
- Competitive prices on dependable products
- Family owned since 1973, rated 5.0★ on Google
Need More Than a Part?
- RV Maintenance
- Body & Paint
- Auto & Truck
- RV Storage
See our RV maintenance & service (including pre-trip inspections), RV body, paint & collision repair, auto & truck repair and secure RV storage.
RV Parts FAQ
RV Parts & Tire Questions, Answered
Where can I buy RV parts in St. Charles, MO?
Complete RV Service & Body Shop sells RV parts and accessories at 3309 New Town Blvd, St. Charles, MO 63301, open Monday through Friday, 7:30 AM to 5:00 PM. Call 636-246-8932 to check availability.
Do you sell RV tires in St. Charles, MO?
Yes. Complete RV sells and installs tires for motorhomes, travel trailers, fifth wheels, toy haulers and campers, plus trucks and cars. Call 636-246-8932 for sizes, availability and a quote.
How often should RV tires be replaced?
Many tire makers recommend replacing RV tires every 5 to 6 years, even if the tread looks good, because RV tires age from sitting and sun exposure before they wear out. Check the last four digits of the DOT code on the sidewall for the week and year the tire was made.
How do I tell how old my RV tires are?
Find the DOT code on the tire sidewall. The last four digits show the week and year the tire was made. For example, 2321 means the 23rd week of 2021.
Do you mount, balance and align tires?
Yes. We mount, balance and rotate tires and perform precision wheel alignments for RVs, trucks and cars in our 15-bay shop in St. Charles.
Do you sell tires for trucks, cars and trailers too?
Yes. Along with RV tires, we sell and install tires for pickups, work trucks, cars, SUVs and horse and utility trailers.
What RV parts and accessories do you carry?
We carry RV awnings, arms and brackets, RV accessories, tires, RV air conditioner units and covers, RV batteries and horse trailer parts, plus replacement and maintenance parts for cars and trucks.
Do you install the parts you sell?
Yes. Our technicians install the parts and accessories we sell, including awnings, tires, A/C units and batteries, in our 15-bay St. Charles shop.
Do you sell and install RV air conditioners?
Yes. We carry efficient replacement RV A/C units and durable A/C covers, and our technicians install and service rooftop units.
Do you sell RV batteries?
Yes. We sell reliable, long-lasting RV batteries and can install them and check your RV's electrical system at the same time.
Do you service horse trailers?
Yes. We provide horse trailer maintenance, including wheel bearing packing, and carry trailer replacement parts to keep your trailer safe for hauling animals.
Do you sell parts for cars and trucks too?
Yes. Along with RV parts, we carry replacement and maintenance parts for cars and trucks, and our shop handles auto and truck repair.
How do I check if a part is in stock?
Call 636-246-8932 with your RV's make, model and year, or the part you need. We'll check availability, help you choose the right part and schedule installation if you want it.
More questions? See our full RV FAQ or read customer reviews.