GPM Racing 4140 Steel + 7075 Alloy Center Complete Differential 13/43T/1.0 Mod for Losi Team Losi 1/8 LMT 4WD Solid Axle Monster Truck (LMT1343S/CS)

Center differential unit for LOSI LMT applications

This RC-scale center complete differential is built for LOSI LMT 4WD solid axle monster trucks and uses 4140 steel and 7075 alloy in its construction. The assembled unit includes a 13T pinion and the 13/43T helical gear set with a 1.0 module, intended for maintenance, replacing worn factory parts, or as an upgrade during transmission rebuilds.

The differential supersedes several factory numbers and is compatible with the LOSI LMT models listed below. Differential oil is not included and must be added according to the LOSI manual. Small assembly accessories are pre-installed, and medium-strength threadlocker is recommended on fasteners to prevent loosening under vibration.

Contents of the package are one center complete differential (13/43T) and one 13T pinion gear, both pre-assembled for installation. This is an aftermarket replacement that may need minor fitting; purchasing two sets is advised if servicing both center halves or performing a full drivetrain rebuild.

Compatible Models

• LOSI 1/8 LMT 4WD Solid Axle Monster Truck-LOS04022
• LOSI 1/8 LMT 4WD Solid Axle Monster Truck-LOS04021
• LOSI 1/8 LMT 4WD Solid Axle Mega Truck Brushless-LOS04024
• LOSI 1/10 TLR Tuned LMT 4WD Solid Axle Monster Truck KIT-LOS04027
• LOSI 1/8 LMT 2.0 Grave Digger 4X4 Solid Axle Brushless Monster Truck-LOS04028

Use correct differential oil and threadlocker during installation to ensure dependable operation with LOSI LMT drivetrains.

Which factory numbers are covered by this aftermarket unit?

The supplier indicates replacement of several factory numbers including LOS242037, LOS242040, LOS242035 and LOSA6948; confirm against your chassis parts list prior to purchase.

Is lubrication included with the product?

No. Differential oil is not supplied and must be applied according to LOSI’s recommendations for viscosity and filling procedures.

What are the main construction materials?

Key load parts are made from 4140 steel while the center housing and machined components use 7075 alloy, as stated by the supplier.

What exactly comes in the shipped package?

One center complete differential 13/43T and one 13T pinion gear are supplied, both pre-assembled for direct installation.

Do I need special adhesives or tools?

Standard RC tools are sufficient. Apply medium-strength threadlocker on fasteners to help prevent vibration-related loosening.

Is it better to buy two sets for major service work?

For matched performance and convenience during a full drivetrain rebuild, the supplier recommends purchasing two sets if both center sections or related components will be serviced. Write Product Review Please sign in your account before you can write any review. Sign In Close

Made to order: GPM Racing parts are shipped to us from GPM’s factory, so please allow around 14 days for dispatch.