4P-5457 timing gear assembly CAT engine spare part

4P-5457 timing gear assembly CAT engine spare part Featured Image
  • 4P-5457 timing gear assembly CAT engine spare part

Short Description:

Part No.4P-5457, CAT gear assembly, fits 3304 engine timing drive, meshes with camshaft to transmit power and control valve timing, overhaul spare part for old construction machinery.


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description

This 4P-5457 timing gear assembly is specially for CAT 3304 engine, matched with 4P-4332 camshaft. It transmits crankshaft power to camshaft via helical gear meshing to keep valve timing synchronized. Forged from alloy steel with carburized and hardened tooth surface, it features high precision, impact and fatigue resistance, suitable for long heavy-duty operation of loaders, bulldozers and generator sets, a complete replacement assembly for timing system overhaul.

Part No.：4P-5457
Name：CAT gear assembly
Height (mm): 96.52
Width (mm): 370.84
Length (mm): 391.16
Application：CAT 3304 engine
Matching part：4P-4332 camshaft
Gear type：Helical gear
Surface treatment：Tooth carburizing & quenching

Advantages

1. OEM gear profile, smooth meshing, low noise and accurate timing phase
2. Uniform carburized layer, anti-pitting and anti-chipping, reliable under heavy load
3. Tight bore tolerance, close fit with camshaft journal, prevent slipping and jumping teeth
4. Supplied as full assembly, no extra selection required, save timing installation time

FAQ 

Q1：Can 4P-5457 gear assembly match 4P-3785 camshaft?
A：No. 4P-3785 is for 3306, gear module and tooth quantity do not match.
Q2：Can gear with light wear grooves on teeth be installed?
A：Light wear can be monitored temporarily. Replace once chipping, crack or root peeling appears.
Q3：What will happen if only replace gear without camshaft?
A：Mismatched old and new friction pairs wear fast, easily causing timing error and abnormal noise.
Q4：What causes heavy resistance when turning engine after timing gear installation?
A：Misaligned timing marks, improper gear fitting or foreign debris between teeth. Stop cranking and inspect immediately.

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