421-0071 camshaft sleeve bearing for CAT C27/C32 engine spare part

421-0071 camshaft sleeve bearing for CAT C27/C32 engine spare part Featured Image
  • 421-0071 camshaft sleeve bearing for CAT C27/C32 engine spare part
  • 421-0071 camshaft sleeve bearing for CAT C27/C32 engine spare part

Short Description:

Brand-new left bank camshaft for Caterpillar C27 / C32 V-type diesel engine, precisely controls intake and exhaust valve timing of left cylinders, cooperates with right bank camshaft to unify engine valve timing and deliver stable power under heavy load.

Product Detail

Product Tags

description

This brand-new forged camshaft is made of alloy steel, with hardened, NDT-inspected and super-finished lobes and journals. It serves the left cylinder bank and drives rocker assembly. Compared with reman units, it retains sufficient material allowance and consistent heat treatment for long-term impact and high-temperature service. Pitting, journal scoring, deformed timing seat and blocked oil gallery lead to disordered air exchange, poor combustion, unbalanced power, smoke and high fuel consumption. Severe failure causes valve-to-piston collision.

Part No.:421-0071
Type: Brand-new camshaft (left bank)
Height (in): 4
Length (in): 52
Material: Carbon Steel
Fit Engine: C27, C32
Matching Part:421-0049 (new right bank camshaft)
Reman Equivalent:20R-1894
Working Condition: Continuous heavy load, high temperature and long-running power unit
Matching System: Engine valve train assembly

Application Scenarios

Fits Caterpillar C27 and C32 diesel engines for mining dump trucks, track bulldozers, oilfield power units and stationary generators, for overhaul of left bank valve train. Matching new part 421-0049 is right bank camshaft, reman equivalent 20R-1894.

FAQ 

Q：Can this new camshaft substitute reman 20R-1894 directly?
A：Yes, mounting dimension and cam lift are identical. New camshaft offers longer service life for heavy-duty application.

Q：Can only this left new camshaft be replaced while right one remains intact?
A：It is acceptable, but inspect right cam and bearings, and re-calibrate full valve timing.

Q：Does abnormal operation on one bank mean camshaft failure?
A：Check tappet wear, oil pressure and valve clearance first.

Q：What risk if oil hole is misaligned after installation?
A：No lubrication on contact surface, dry friction causes lobe scoring and seizure quickly.

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