Why Choose G3 Transmission?

G3 Transmission – A Family-Owned & Veteran-Operated Transmission Shop in Kansas City, MO

At G3 Transmission, we take pride in being a family-owned and veteran-operated transmission shop serving the Kansas City, MO area. With over 40 years of experience rebuilding and repairing transmissions, we specialize in custom transmission rebuilds, upgrades, and repairs for a variety of vehicles, including GM, Ford, Dodge, and heavy-duty diesel trucks. Unlike big-chain transmission shops or buying used transmissions from marketplace listings, junkyards, or uncertified sellers, we build transmissions that are reliable, tested, and built to last. We are also licensed and insured, giving you peace of mind knowing your vehicle is in the hands of professionals.

Why Choose G3 Transmission?

Choosing a local, family-owned, and veteran-operated transmission shop like G3 Transmission means you’re getting personalized service, expert craftsmanship, and honest pricing. Unlike mass-produced remanufactured transmissions from questionable sources, we provide quality-controlled rebuilds with the highest attention to detail. Here’s why customers in Kansas City, MO, and surrounding areas trust us with their transmission repair and rebuild needs:

✔ Family-Owned and Veteran-Operated – We bring military precision, discipline, and integrity to every job we do. ✔ Over 40 Years of Transmission Building Experience – Our team has decades of hands-on expertise in automatic and manual transmissions, specializing in GM, Ford, and Dodge drivetrains. ✔ Reliable, Hand-Built Transmission Rebuilds – Unlike mass-produced or junkyard-sourced transmissions, we rebuild each unit in-house, ensuring quality, durability, and proper fitment. ✔ Licensed & Insured – You can trust that our shop meets all legal and industry standards, so your vehicle is in safe hands. ✔ Avoid Buying From Sketchy Sources – Many customers come to us after purchasing cheap, low-quality transmissions from marketplace sellers or junkyards, only to find they fail within months. Don't take the risk—get a professionally rebuilt transmission that lasts. ✔ Fast and Reliable Service – We know downtime is costly, so we work efficiently to get your vehicle back on the road as soon as possible. ✔ Nationwide Shipping – We build, rebuild, and ship transmissions anywhere in the lower 48 states. ✔ Honest Pricing – No hidden fees, no gimmicks—just transparent pricing and top-notch service.

Our Transmission Services

At G3 Transmission, we offer a full range of transmission repair and rebuild services, ensuring your vehicle gets the reliability it deserves. Whether you need a full transmission rebuild or just routine maintenance, we’ve got you covered.

Transmission Rebuilds & Upgrades

We specialize in custom transmission rebuilds for daily drivers, work trucks, and performance applications. Our heavy-duty and high-performance transmissions are built to withstand extreme conditions, including towing, off-roading, and high-horsepower applications. Unlike factory remanufactured transmissions, which may use cheap parts and inconsistent quality control, our rebuilds use premium components and expert craftsmanship.

Automatic & Manual Transmission Repairs

From 6L80E and 10L1000 transmissions to Allison 1000 and 68RFE transmissions, we diagnose and repair common issues such as slipping gears, harsh shifting, and torque converter failures. We also offer clutch replacements and manual transmission repairs to keep your vehicle running smoothly.

Performance Transmission Builds

Looking for a race-ready transmission or a performance upgrade? We offer billet torque converters, reinforced clutch packs, valve body modifications, and TCM tuning to optimize shift points, torque management, and reliability. Whether you're looking for a drag racing transmission, an off-road build, or a street-performance upgrade, we can customize a transmission that meets your needs. Unlike many mass-produced “performance” transmissions that cut corners, our builds are hand-assembled and tested for maximum durability.

Transmission Fluid Service & Maintenance

Regular transmission fluid changes and filter replacements are crucial for extending the life of your drivetrain. We provide transmission servicing to prevent overheating, fluid contamination, and premature wear. Our team also offers high-performance transmission fluids designed to handle extreme temperatures and heavy loads.

Kansas City’s Trusted Transmission Experts

At G3 Transmission, we are more than just a shop—we’re part of the Kansas City automotive community. As a veteran-operated business, we hold ourselves to the highest standards of honor, integrity, and commitment to our craft. Whether you need a transmission repair, rebuild, or performance upgrade, we are here to help. Don’t risk buying an unreliable transmission from a junkyard or an unverified seller—get a professionally rebuilt transmission you can trust. Contact us today to schedule service or discuss your custom-built transmission needs.

📍 Located in Kansas City, MO📞 Call us today to get a quote🚛 Nationwide Shipping Available

G3 Transmission – Built to Perform. Engineered to Last.