TOP COVER ASSY M/T

Manual Gearbox Top Cover Assembly ⚙️

This component is the upper sealing and mounting cover for the manual transmission. It is needed to keep the gearbox closed, hold key shift/selector parts in correct position, and protect the gears from dust, water, and road splash. A tight top cover also helps the transmission keep the right oil pressure and level for smooth lubrication.

How It Works ️

The cover bolts to the transmission case and clamps a gasket/sealant surface to stop oil leaks. Inside, it supports the selector/shift mechanism alignment so your gear changes stay precise. When you move the gear lever, the selector system transfers that motion through the cover area into the gearbox, engaging the correct gear set.

Signs the Cover Is Damaged or Leaking

If the cover is cracked, warped, or the sealing face is damaged, oil will seep out. Low oil quickly causes noisy bearings, hard shifting, heat build-up, and accelerated gear wear. In severe cases you can lose gears, suffer synchro failure, or even destroy the transmission due to lack of lubrication.

Why Replace It

Replacing a worn or leaking top cover restores proper sealing, protects the shift mechanism, and helps your manual gearbox run quieter and last longer—especially on working vans and light trucks.

Compatibility ✅

• K2700
• Pregio
• K2700 II
• Pregio/Bongo III
• Bongo/Frontier
• K2500/K2700/K2700II
• K2500/K2700/K3000/K3000S/K4000S
• Pregio/Besta
• K2500/K2700/K2900
• K2500/K2700/K2900/K3000S
• K2500/K2700/K2900/K300S/K4000S
• K2700 Special
• K2700/K3000S