GMC Vendors – see “GMC Vendor Ads” under “GMC Suppliers” in menu below

GMC Parts Suppliers



ADOHEN SUPPLY - 440-937-5694, Scott Nehoda, 1270 Lear-Nagle Rd, Avon, OH 44011 Select accessories for GMC Motorhomes including the Fantastic Vent, KYB shocks, e-brake pulleys, JRV tank monitors, VIAIR compressors.

ARDEMCO - 800-253-0115, Fax 949-642-9582.  Southern California. See or  Tanks for GMCs.

BAXTER, RANCE - 814-596-5254, 230 Mountain View Rd., Genesee, PA 16923, or or Port fuel injection.

BECKER, HORST - 847-508-7317 Front Bearing Temp Monitor. Protect your front wheel bearings from overheating, Monitor your wheel bearing temperature with LED display.

BENNETT, PAUL – 808-799-4323, South Carolina  Jack pads, air bag lifters, centerline bumper hitch

BETHUNE SALES CO, INC. Cornelius, NC  704-892-1234 -  Specializing in GMC Motorhome sales and service since 1973.

BIWERSI, JOHN - 651-779-6498,  2938 N Mary St, Maplewood, MN 55109-1671 Engine Cooling Fan - Direct Replacement. Direct replacement for original steel blade fan. Same OD & pitch as GMCMH but has 10 blades instead of 7. The hub is steel & blades are molded nylon, this is not a "flexfan." Fan is 100% made in the USA and is 100% precision balanced to minimize vibration to the fan clutch and water pump. Rebuild 3.21 final drives.

BOVEE, GARY - 530-527-3015,12495 Muller Ave, Red Bluff, CA 96080 Headlight and turn signal alarms, Alternator and A/C belt tensioners, GMC valve stem caps, Onan electronic ignition kit.

BRANSCOMBE, ALBERT - 519-368-7129 Ontario, Canada - or Parking brakes that actually work. All SS/Alum/Teflon kit, includes all cables, pulleys, brackets. Also, Air Powered Actuator Kit. Disk brake parking caliper kit. Complete instructions incl. 10-yr warranty.

BURKITT, BOB - 513-530-5021, 11382 Marlette Drive, Cincinnati, OH 45249-2210 Birch door replacement parts. New screen sliders to replace your aluminum panels.

CHALFANT, JOHN - 415-246-1850 Universal GMC Skirt Lifter Kits.  NEW custom made curb feelers designed for the GMC as well as handmade gas nozzle adapters that work with all EPA gas nozzles.  All available at 

CLASSIC COACHES & ACCESSORIES LLC.  JR Slaten, 502-836-2097, PO Box 9341, Louisville, KY 40205. or  Lighted entry handles, SS engine oil cooler lines and tubes. PowerLevel air valves. Level II leveling valve set (1973 thru early 1977).

CLASSIC TUBE - 800-882-3711, Tim Slattery. 80 Rotech Dr., Lancaster, NY 14086, SS brake lines cut and shaped with fittings for a 26 ft. GMC.

CLEMENT, JOHN - 951-737-0969. Corona, CA - Snail mail him at 1186 Cambridge Square, Corona, CA 92882. John has a complete stock of air suspension compressor parts, do-it-yourself rebuild kits or completely rebuilt units available. Numerous other parts available, including rebuilt transmission.

COACH GLASS - 800-714-7171, Coburg, OR; Lakeland, FL; Phoenix, AZ; and Elkhart, IN - Windshields for all GMC models. Gaskets, moldings, sealants and tools.

CURTIS UNLIMITED -707-443-8523, Fay Curtis, 5990 Greenwood Heights, Kneeland, CA 95549, or Fiberglass products, steering column boot set, jack pad bracket, oil coolers, body pad set, SS Electrolevel air tank and manifold. “Hard to find” GMC goodies.

CUSTOM INSTRUMENT PANELS -704-985-0171, 28585 Valley Drive, Albemarle, NC 28001. Office, orders only: 800-462-7635. Fax 704-985-0173 - Custom replacement dash panels with instruments. Pick a pre-configured style or design your own. Installation available.

DE MAERE, JIM - 403-329-3091, 2812 - 48th Ave. South, Lethbridge, Alberta TA, Canada, T1K 7B3. SS replacement air and water heater tanks.

DJ ENTERPRISES – D J Eberhart 503-706-6402 or, 233 NW Olive, Sheridan, OR 97378, New and used parts. Shop is available; he will provide any specific tools and advice as needed, for a nominal fee.

FISHER, GENE - 925-784-3098  e-mail: Alternator failure will destroy your dash wiring. Install the APC cable to protect your GMC motor home. For ordering information:  Alternator Protection Cable

GATEWAY MOTORHOME CO. - Robert Hendershot. 636-931-8282. Festus, MO 63028. Orders: (800) 654-0374, After-market parts and accessories. Windshields delivered. Rear pin and bushing kits, air bags, rotors, American Eagle aluminum wheels, many other items.

GMC “KISS” WORK SHELF - 256-679-4488, Kerry Pinkerton - or  A simple aluminum tray that hooks over the lip of the front hood to hold parts and tools. Also, door handle extensions.

GMC RV SHADES. Gary and Terry Coaster,, 810-650-5111 Michigan  Day/night shades custom fitted for your GMC. Pleated shades for all GMC floorplans in night only or day/night combination, complete with all hardware and instructions. Several colors available. Windshield wraps with new tracks and closures. Clear plexiglass wrap storage brackets for windshield wrap. Exterior windshield covers in a number of colors and includes provisions for wind wings.  (formerly Guske Sales)

HARDEMAN, BOB - 925-548-4659, Bogie greasers.

HENDERSON, ALAN - 478-320-5974, 5797 Houston Rd, Suite E, Macon, GA Super-sized GMC wiring diagrams. You’ll not strain your eyes with these beautiful reproductions.

HENDERSON, KEN - 229-938-2797,110 O'Hara Rd., Americus, GA 31719  Electric windshield wiper conversion. All mechanical and electrical parts to install your locally purchased electric motor with intermittent sweep. Free shipping for GMC Club members.

HENSLEY, DAN – 480-671-3941. 420 W. Windsong St, Apache Junction, AZ 85220

HIGHLAND MACHINE TOOL - 812-923-8884, 3461 E. Luther Rd, Floyds Knobs, IN 47119. Fax: 812-923-8886. Front wheel spacers to correct rut wander.

HOT WHEELS GMC MOTORHOMES, Vernon Smith, 970-330-0334. All two series Palm Beach, Orange or Green. Used, various conditions. Nascar series all 4 models. New, never opened packs. The last series blue (Team Racing).

HOWELL ENGINE DEVELOPMENT - 810-765-5100.  6201 Industrial Way, Marine City, MI 48039 Throttle body fuel injection kit.

HUPY, JIM - 503-362-1583, 1754 82nd Ave SE, Salem, OR 97317 or Pressure bleeder kits for brake M/C, GM hub extenders for '90s steel wheels, air compressors and remote control for airbags systems.

JENKINS, FRANK - 352-485-1397, 18214 N.E. 21st St., Gainesville, FL 32609, GMC fiberglass and aluminum fabrication. Instrument panels, bumper covers, toolboxes, grills, skirts, flares, radiator fan shrouds.

KARP'S POWER BRAKE SERVICE - 909-985-0800, Upland, CA. Contact Jeff Sensitized brake boosters and flex brake hoses (formerly Lamey supplier).

KOSIER, GARY. OH. 740-366-1833, or  Bogie greaser kit, awning protector.

LENZI, DAVE - 810-653-3902, 2285 Montague Rd., Davison, MI 48423-9103 or Remanufactured GMC parts. Steering components, leveler linkage, leveler valve rebuilding, embossed copper exhaust gasket.

LINS, TOM – 732-246-2867 New Jersey. GMC training films on digital media.

MANNY'S TRANSMISSIONS - 408-937-1583, Manny Trovao (CA),  Rebuilt THM 425 and related products for the GMC TZE. Regular or switch pitch. Swap your usable core or we can rebuild yours. 3.50:1 power drive chain and sprockets. Contact for price and availability.

MONDELLO PERFORMANCE PRODUCTS - 805-237-8808, Paso Robles, CA, High performance Oldsmobile engine parts.

MOTORHOME ENHANCEMENTS INC - 828-464-5105 Jim Buchanan, P.O. Box 893, 1021 Second Ave NW, Conover, NC 28613 or   Replacement aluminum radiator for the GMC. Modern radiator designed specifically for your GMC Motorhome. Easy installation, dependable cooling.

NOVAK, LEN -760-731-0751 and ERIC GIBBONS 530-447-5302 New dash lights and labels for your instrument panel.

RAGUSA PATTERN SHOP & RV PRODUCTS, INC. - 949-261-5898, 1920 D East Warner Ave., Santa Ana, CA 92705  Many cast aluminum accessories and enhancements: screen door, transmission cooler and final drive pans, battery trays, entry step, bumper step, ladder, Onan starter bracket.

REDHEAD STEERING GEARS. 800-808-1148 or 206-364-3333.   900 North 127th St., Seattle, WA 98133  Rebuild GMC motorhome steering gear boxes.

RICHARDSON, JOHN – 850-830-6100. Niceville, FL AMSoil synthetic motor oil. CamShield ZDDP additive.

SONGER, BYRON - 502-558-8219, 1885 Douglass Blvd., Louisville, KY 40205, or Graphic illustrations owners can use for creating their paint schemes. Computer/iPhone/iPad apps for tracking fuel economy, repair and maintenance events and members of the Black List.

SPRINGFIELD IGNITION - Dick Paterson, 705-325-4554, 3956 Line 11 North, RR #3, Coldwater, Ontario, Canada LOK 1EO, Fax: 705-325-3569, Custom curved distributors for performance and mpg, both HEI and electronic upgrades from points, rebuild carburetors. Custom 8mm plug wire sets, durable silicone oil elbows, engines, transmissions.

STONE, BOB - 618-964-9124. Carbondale, IL.  Hydroboost brake kit. Service and repair.

STREET ROD MANUFACTURING CO - 303-688-6882, Colorado. Rear disk brake conversion kits.

STUCKEY, DAN/VARIETY VENTURES - 519-844-2083, Box 105, 3249 Inwood Road, Inwood, Ontario, Canada, NON 1KO. New galvanized main frame components and installation – Side rails (Class H heat-treated steel .188” wall 2 7/8” flange – about twice the tensile strength of the OEM), H-frames, cross members, drilled, and galvanized ready to install. Call for current pricing on components and installation. Macerator kits.

SULLIVAN, TODD “SULLY” – 206-323-3333  Seattle, WA  SullyBilt replacement air spring system.

TAYLOR, TERRY - 510-290-9911, CA. GMC knick-knacks, GMC Club name tags, drink coasters, replacement decals for most models, club license plate frames, etc.

TZE Zone Restorations. John R. Wright, 989-859-0715, Front air dam, bolt kits for bumpers, axles, exhaust manifolds, header, LED lighting.

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