The Difference Between In-Frame Kits And Overhaul Kits

Engines are the lifeblood of all high-pressure mechanical activity known to man, subject to extreme stress from external and internal combustion processes that produce mechanical energy. They are responsible for keeping our vehicles moving, generating electricity, and carrying heavy loads.

In the automotive industry, there are generally two main methods of repairing engines. In-frame work and out-of-frame work. In either case, you'll need a rebuild kit to replace damaged or worn parts.

What's the difference between an in-frame kit and an out-of-frame overhaul kit? Kit contents - Inframe kits have fewer components than overhaul kits.

While both inframe and overhaul work focus on addressing engine performance issues, the inframe repair process involves rebuilding the engine without removing the engine's front cover or crankshaft. need to do it.

For this reason, the frame kit does not include engine front and rear body gaskets, only main bearings, connecting rod bearings, cylinder kits, upper gasket kits, and oil pan gaskets. The engine stays in the frame and does not need to be removed from the body. In general, the processes within the framework are primarily used for routine preventative maintenance.

Types of Engine Rebuild Kits

Re-Ring engine rebuild kits include piston rings, main bearings, connecting rod bearings, thrust washers, upper gasket kit, oil pan gasket

The in-frame engine rebuild kit includes a piston and bushing kit (or re-drill kit), main bearings, connecting rod bearings, thrust washers, upper gasket kit, and oil pan gasket

Out-of-frame engine rebuild kits include piston and bushing kit (or rebore kit), main bearings, connecting rod bearings, thrust washers, overhaul gasket kit, and front and rear crankshaft seals

Piston-less in-frame engine rebuild kit includes a bushing kit, main bearings, connecting rod bearings, thrust washers, upper gasket kit, and oil pan gasket

Piston-less out-of-frame engine rebuild kit includes a bushing kit, main bearings, connecting rod bearings, thrust washers, overhaul gasket kit, and front and rear crankshaft seals

To keep your equipment in good working order, we recommend MyMRO for your rebuild kit replacement, we carry a variety of rebuild kits including c15 rebuild kits and more.

Out-of-Frame Overhaul Kit

Off-frame overhaul kits contain more than one component, as the overhaul process requires the engine to be removed from the frame. The rebuild process usually involves reconditioning the engine block for a smooth surface and re-drilling the cylinders to adjust the clearance in the cylinder bores. During this process, the entire engine is disassembled.

The overhaul kit includes cylinder kits, main bearings, connecting rod bearings, front and rear crankshaft seals, and a complete overhaul gasket kit.

The cost varies for each of the two rebuild types. The cost of the overhaul repair process is much higher, depending on the size of the engine, the amount of work, and the parts needed to replace or repair it. Labor costs usually do not include the cost of overhaul kits.