Zumbrota Drivetrain RMT290C-8 Manual Transmission

The Zumbrota Drivetrain RMT290C-8 is a remanufactured 5-speed manual transmission designed specifically for GM S10 and S15 models equipped with a 4.3L engine. This transmission is engineered to meet or exceed OEM specifications, ensuring optimal performance and durability for your off-road or daily driving needs.

Quality Remanufacturing Process

Zumbrota employs a rigorous three-step inspection process during the remanufacturing of the RMT290C-8, which includes:

• Pre-Inspection: Each unit is checked for case cracks, excessive wear, and other OEM-specific issues that can affect performance.
• Component Measurement: All parts are meticulously measured to verify they meet OEM specifications.
• Final Inspection: A comprehensive post-build inspection ensures that the unit adheres to Zumbrota's strict quality standards.

Performance Testing

Each RMT290C-8 transmission undergoes extensive testing to guarantee reliability. This includes:

• 100% inspection of internal components, including gear wear, mainshaft straightness, and synchronizer functionality.
• Dyno testing under various real-world scenarios to validate operational performance and shift quality.

Cleaning and Finishing

To achieve the highest standards of cleanliness and performance, Zumbrota employs a unique hydro-blast rinse and sandblasting procedure on both internal and external components, followed by proprietary deep cleaning methods. This ensures that all debris is removed, contributing to the longevity and reliability of the transmission.

Fitment

• Chevrolet Blazer 4WD (1995)
• Chevrolet S10 Blazer 4WD (1993-1994)
• Chevrolet S10 4WD (1993-1995)
• GMC Jimmy 4WD (1993-1995)
• GMC Sonoma 4WD (1993-1995)

All Zumbrota manual transmissions, including the RMT290C-8, come with a 2-year unlimited mileage warranty, ensuring peace of mind for your investment.