6L-8541 fuel pump camshaft CAT engine spare part

6L-8541 fuel pump camshaft CAT engine spare part Featured Image
  • 6L-8541 fuel pump camshaft CAT engine spare part

Short Description:

Part No.6L-2195, CAT thrust washer, limits axial movement of camshaft and bears axial thrust, matched with camshaft housing and thrust plate, wear-resistant gasket for heavy engine valve train.


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description

This 6L-8541 is a dedicated camshaft for fuel injection pump, different from valve train camshaft. It pushes pump plunger by cam lift to control injection start timing and injection duration. Forged alloy steel with hardened cam surface, wear and impact resistant under cyclic high pressure load. It fits classic CAT fuel pump for generator sets and mining machinery, normally replaced together with tappets, plungers and seals during pump overhaul.

Part No.：6L-8541
Name：CAT fuel pump camshaft
Mounting position：Inside fuel injection pump
Structure：Single driving camshaft for pump
Material：Low Alloy Steel
Surface treatment：High-frequency hardening, precision grinding

Advantages

1. Pump-specific cam profile for stable injection timing and even fuel supply
2. Sufficient hardened depth, resistant to pitting and wear under cyclic impact
3. Good journal coaxiality, low running resistance and less plunger sticking
4. Single shaft replacement, no cylinder head disassembly required, lower pump repair cost

FAQ 

Q1：Can 6L-8541 be replaced by engine valve camshaft?
A：No. Lift, base circle and timing are different. It is only for injection pump.
Q2：Can I change only camshaft without tappets?
A：Not recommended. Old tappets will damage new cam quickly.
Q3：What symptoms will worn pump camshaft cause?
A：Injection disorder, insufficient fuel supply, unstable idle, black smoke and low power.
Q4：Is pump calibration required after replacement?
A：Yes, injection timing and fuel quantity must be recalibrated on test bench.

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