Warranty

47/48 Transmission Warranty – Automatic Valve Body

Darkside Diesel transmissions include a non-transferable, two-year unlimited milage craftsmanship warranty from the date of purchase. For transmissions installed by Darkside Diesel, the warranty work and labor shall be covered at our shop. For transmission not installed by Darkside Diesel, removal and reinstall labor will not be covered, and warranty work must be performed by Darkside Diesel.

This warranty does not cover hard parts. This includes shafts, cases, gear train, etc. This warranty will be voided if the transmission has been altered, sustained abused from neutral drops, excessive power braking, water damage, overheating, installation errors, or damage caused by loss of fluid due to external leaks.

Transmissions not installed by Darkside Diesel must be installed by a professional automotive shop where proper cooler flushing is performed, and pressures can be checked to receive the warranty.

The customer must have the break-in service performed at approximately 1,000 miles. The break-in service includes having the fluid/filter changed and bands adjusted. Subsequently, the transmission must have the fluid/filter changed and bands adjusted annually.

47/48 Transmission Warranty – Full Manual Valve Body

Darkside Diesel transmissions include a non-transferable, one-year unlimited milage craftsmanship warranty from the date of purchase. For transmissions installed by Darkside Diesel, the warranty work and labor shall be covered at our shop. For transmission not installed by Darkside Diesel, removal and reinstall labor will not be covered, and warranty work must be performed by Darkside Diesel.

This warranty does not cover hard parts. This includes shafts, cases, gear train, etc. This warranty will be voided if the transmission has been altered, sustained abused from neutral drops, excessive power braking, water damage, overheating, installation errors, or damage caused by loss of fluid due to external leaks.

Transmissions not installed by Darkside Diesel must be installed by a professional automotive shop where proper cooler flushing is performed, and pressures can be checked to receive the warranty.

The customer must have the break-in service performed at approximately 1,000 miles. The break-in service includes having the fluid/filter changed and bands adjusted. Subsequently, the transmission must have the fluid/filter changed and bands adjusted annually.