Truck, Trailer & RV Repair Services
KC Wholesale Exit 28 Service Center fixes heavy trucks, trailers, and RVs at I-70 Exit 28 in Oak Grove, Missouri. We are family-owned, in the semi-truck business since 1997, with 50+ years of combined experience. Mechanical, emissions, paint and body, and parts all happen under one roof, so you make one stop instead of three. No appointment is needed — call (816) 690-6600 or walk in. Browse every service below, grouped by what your truck, trailer, or RV needs.
Engine and Drivetrain
Diesel Engine RepairInjector, turbo, and head gasket fixes for Cummins, Detroit, and PACCAR before they become a major job.Learn more Engine OverhaulIn-frame and out-of-frame rebuilds with new liners, pistons, and bearings to OEM spec.Learn more DiagnosticsDealer-level software that reads fault codes and live data to find the real cause.Learn more Transmission RepairManual, automated, and automatic units — Eaton Fuller, Allison, DT12, and I-Shift.Learn more Clutch RepairDisc, pressure plate, and flywheel resurfacing that stops slip and chatter.Learn more Heavy Duty Truck RepairFull mechanical repair for Class 6–8 trucks under one roof.Learn more Trailer RepairTrailer brakes, suspension, lighting, body, and DOT inspections in one stop.Learn more
Brakes, Steering and Suspension
Electrical, A/C and Diagnostics
Electrical RepairHarnesses, lighting, charging, and starting systems traced and repaired.Learn more ECM DiagnosticsModule-level fault reading, parameters, and software reflashes.Learn more Air ConditioningCab and sleeper A/C — compressors, lines, and recharge for trucks.Learn more DiagnosticsSymptom-to-cause testing across every module on the truck.Learn more
Emissions and Exhaust
DPF CleaningRestore filter airflow and end derates and regen problems.Learn more DEF RepairSCR doser, NOx sensor, and DEF quality faults cleared.Learn more EGR RepairValve and cooler carbon, coolant leaks, and failed regens fixed.Learn more Emissions RepairA decision guide for the whole DPF, DEF, and EGR system.Learn more Exhaust RepairManifold, pipe, and aftertreatment leaks and fumes repaired.Learn more
Body, Paint and Fabrication
Collision RepairCrash repair from estimate to finish, including frame work.Learn more Paint & Body WorkGeneral body and paint work for trucks, trailers, and RVs.Learn more Commercial Truck PaintingFleet colors, lettering, and durable finishes matched to your livery.Learn more Custom PaintShow finishes, two-tones, and custom color work.Learn more Custom GraphicsPainted graphics, stripes, and lettering that brand your truck.Learn more Fiberglass RepairHoods, fairings, and RV sidewalls with proper structural layup.Learn more Aluminum RepairAluminum panels and tanks welded with the right equipment.Learn more Sheet Metal RepairCab, door, and panel fabrication instead of filler.Learn more Plastic WeldingBumpers, fairings, and trim restored to structural strength.Learn more Dent RepairDings and creases, from paintless repair to metal-finished work.Learn more Chrome WorkBumpers, visors, and trim — polish, repair, or replace.Learn more Frame StraighteningFrame rails measured, pulled, and verified to spec after a hit.Learn more
Parts, RV and Fleet
RV RepairClass A, C, and diesel pushers — mechanical, chassis, and living-area work.Learn more Fleet MaintenanceScheduled PM, inspections, and priority repair for multiple trucks.Learn more Preventative MaintenanceOil, filters, grease, and inspections that catch wear early.Learn more DOT InspectionsAnnual commercial vehicle inspections under 49 CFR 396.17.Learn more OEM Truck PartsOriginal equipment components sourced by VIN for exact fit.Learn more Aftermarket PartsCost-effective components that meet or exceed OEM spec.Learn more Truck & Trailer PartsThe full OEM and aftermarket catalog we stock and source.Learn more Kenworth PartsT680, T880, and W900 components matched by VIN.Learn more Peterbilt Parts579, 567, and 389 components matched by VIN.Learn more Freightliner PartsCascadia, Columbia, and M2 components matched by VIN.Learn more Volvo PartsVNL and VNR components matched by VIN.Learn more Mack PartsAnthem, Pinnacle, and Granite components matched by VIN.Learn more