1Y-3907 Caterpillar new engine camshaft for engine spare part

1Y-3907 Caterpillar new engine camshaft for engine spare part Featured Image
  • 1Y-3907 Caterpillar new engine camshaft for engine spare part
  • 1Y-3907 Caterpillar new engine camshaft for engine spare part

Short Description:

1Y-3907 Caterpillar new engine camshaft, fits Cat 3304 engine, controls intake and exhaust valve timing, for overhaul of older excavators, wheel loaders and generator sets.


Product Detail

Product Tags

description

This bare camshaft is a core valve-train component for Cat 3304 engine. It adopts forged steel with hardened cam lobes and precision ground journals. Lobe lift, duration and timing comply with OEM 3304 specifications. Driven by timing gear, it operates tappets and pushrods to actuate valves. It is widely used on construction machines and stationary generators powered by 3304 engine. It repairs lobe pitting, spalling, journal scoring and timing deviation, restoring engine performance and reducing rough idle, exhaust smoke and high fuel consumption.

Part Number: 1Y-3907
Type: Brand new bare camshaft (gear not included)
Compatible Engine: Caterpillar 3304
Material: Carbon Steel, Low Alloy Steel
Manufacturing Process: Forging, induction hardening of cam lobes, precision grinding of journals
Associated Components: Camshaft bushings, timing gear, valve lifters, pushrods

Product Advantages

1. Dedicated for 3304, lobe profile and dimensions match OEM specs.
2. Forged steel with hardened lobes, durable for older construction equipment service.
3. Strict journal concentricity control reduces bushing wear and seizure risk.
4. Supplied as bare shaft, flexible and cost-effective repair option.
5. Oil holes align with cylinder head galleries for reliable lubrication.

FAQ 

Q: Can 1Y-3907 interchange with 112-5065?
A: No. 1Y-3907 is for 3304, 112-5065 is for 3306, profile and length differ.

Q: Does timing gear come with this shaft?
A: Timing gear and bearings are sold separately.

Q: Is it a Reman unit?
A: No, it is brand-new bare camshaft.

our warehouse

our warehouse

Pack and ship

Pack and ship


  • Previous:
  • Next:
    • Write your message here and send it to us

    Products categories