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POWER SYSTEMS
Nationwide eTorque MGU Rebuild Specialists
Nationwide Mail-In Service
OEM-Quality Rebuilds
2 Year Warranty Included
America's eTorque MGU Rebuild Experts
CalTeK Power Systems specializes in rebuilding OEM 48-volt Mild Hybrid Motor Generator Units (MGUs) used in Ram 1500, Jeep Wagoneer, and other Stellantis eTorque vehicles. Our nationwide mail-in rebuild service restores your original MGU to OEM-quality performance using premium components, comprehensive testing, and is backed by our 2-year warranty.
Why Choose CalTeK Power Systems?
Our mission is simple: restore your original MGU to OEM-quality performance while providing an honest, dependable, and hassle-free rebuild experience
Dedicated eTorque Specialists
We specialize in Ram & Jeep eTorque MGUs.
OEM-Quality Rebuilds
Premium components and precise rebuilding procedures.
Fully Tested
Every MGU is inspected and tested before shipment.
Nationwide Mail-In Service
Ship your MGU from anywhere in the U.S.
2-Year Warranty
One of the strongest warranties available.
Rebuilt in Georgia
Professionally rebuilt at our Georgia facility.
How Our Mail-In Rebuild Process Works
From your initial quote to the return of your rebuilt MGU, we keep you informed every step of the way.
1
Request a Quote
Call or submit our online form to get started.
2
Ship Your MGU
Securely package and ship your MGU to our facility.
3
Inspection & Quote
We inspect your MGU, provide a repair quote, and contact you before any work begins.
4
Professional Rebuild
Once approved, your MGU is professionally rebuilt using premium components.
5
Final Testing & Return
Your rebuilt MGU is fully tested, securely packaged, and returned with tracking information.
Vehicles We Service
We specialize in rebuilding eTorque MGUs for select Ram and Jeep vehicles equipped with the 5.7L HEMI eTorque system.
Common eTorque MGU Problems We Repair
From noisy bearings to complete MGU failures, we diagnose and rebuild the most common Ram and Jeep eTorque system problems.
Bearing Failure
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Whining or growling noises
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Excessive shaft play
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Premature bearing wear
Charging Problems
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48-volt charging issues
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Battery charging faults
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Low charging output
Internal Component Damage
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Rotor damage
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Stator damage
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Internal mechanical failures
Water & Corrosion Damage
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Moisture intrusion
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Corrosion buildup
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Contaminated components
eTorque Disabled
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Start/Stop unavailable
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eTorque warning messages
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Hybrid system faults
Complete MGU Rebuilds
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OEM-quality rebuilds
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New bearings and wear components
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Fully tested before return
Why Replace When You Can Rebuild?
Rebuilding your original OEM MGU with upgraded premium-quality bearings and carefully selected replacement components restores factory performance while saving thousands over replacement.
Save Thousands
Rebuilding your original OEM MGU can cost significantly less than replacing the entire assembly while restoring factory performance.
Keep Your Original MGU
Preserve your original factory MGU instead of replacing it with an expensive new assembly.
Upgraded Bearings
Every rebuild includes upgraded premium-quality bearings for improved durability, reliability, and long service life.
2-Year Warranty
Every qualifying rebuild is professionally tested and backed by our 2-year warranty
Inside Every CalTeK Rebuild
Every MGU is professionally disassembled, inspected, rebuilt using upgraded premium-quality bearings and carefully selected replacement components, tested, and backed by our 2-Year Limited Warranty.



OEM eTorque MGU
Professional Rebuild
Upgraded Bearings
eTorque MGU Rebuild Pricing
Starting at $799
Our standard eTorque MGU rebuild starts at $799 and includes professional disassembly, inspection, cleaning, upgraded premium-quality bearings, reassembly, and testing. If additional damaged components or repairs are identified during inspection, they will be quoted separately. No additional repair work will be performed without your approval.
Shipping costs are not included in the rebuild price. Customers are responsible for inbound shipping and return shipping costs will be provided with the final repair quote.
Ready to Get Your eTorque MGU Rebuilt?
Every MGU is professionally disassembled, inspected, rebuilt using upgraded premium-quality bearings and carefully selected replacement components, tested, and backed by our 2-Year Limited Warranty.
Prefer to speak with us? Call CalTeK Power Systems: 678-702-7494


