634-2551 right cylinder bank camshaft CAT spare part

Advantages

• Maintains valve timing across the engine speed range.
• Promotes effective fuel combustion and exhaust regulation
• Supports variable valve timing mechanisms.

1. High-power dedicated cam profile, calibrated for high-output engine for better throttle response
2. Deep hardened layer, resistant to surface spalling and pitting under sustained high temperature load
3. Strict coaxiality for multiple journals, uniform bearing load and slower eccentric wear
4. Right bank only replacement available, left bank disassembly not required, save service time

FAQ 

Q1：Can 634-2551 replace 634-2549 right bank camshaft directly?
A：Not recommended. Lift and timing calibration differ, they are for different power ratings.

Q2：Must left bank camshaft be replaced together with 634-2551?
A：Not mandatory. Inspect left bank camshaft separately and replace it if worn severely.

Q3：What to check first if fuel consumption rises on right bank after installation?
A：Check timing phase, valve clearance, tappet condition and cam bearing clearance first.

Q4：How to protect cam lobes during storage?
A：Clean surface, apply anti-rust oil, wrap with anti-rust paper, support on journals instead of cam lobes.