2949811 PISTON Caterpillar parts
420D, 420E, 428F, 430D, 430E, 432F, 434F, 444F, 450E
Rating:
Alternative (cross code) number:
CA2949811
294-9811
2949811
CA2949811
294-9811
2949811
Weight: 0.40 pounds 0 kg.
BACKHOE LOADER,
Compatible equipment models: 2949811:
Information:
Probable Causes
Faulty accessory
Damage to valve train components
Failure of connecting rod bearing
Crankshaft bearingsRecommended Actions
Faulty Accessory
Isolate the source of the noise. Remove the suspect engine accessories. Inspect the suspect engine accessories. Repair the engine accessories and/or replace the engine accessories.Damage to Valve Train Components
Remove the valve cover from the suspect cylinder(s). Check the following items for damage: camshaft, valve rotocoil, valve springs, lifters, pushrods, bridges and injectors. Check for valves that do not move freely. Remove the cylinder head and inspect the valves. Replace any damaged parts. If damage has occurred, clean the following components: cylinder liner, piston and exhaust system. Replace any damaged parts.Failure of Connecting Rod Bearing
Inspect the connecting rod bearings and the bearing surfaces (journals) on the crankshaft. Check the piston pin for excessive wear. Replace any damaged parts.Crankshaft Bearings
Check the crankshaft and/or crankshaft bearings. Check the components for excessive wear.
Faulty accessory
Damage to valve train components
Failure of connecting rod bearing
Crankshaft bearingsRecommended Actions
Faulty Accessory
Isolate the source of the noise. Remove the suspect engine accessories. Inspect the suspect engine accessories. Repair the engine accessories and/or replace the engine accessories.Damage to Valve Train Components
Remove the valve cover from the suspect cylinder(s). Check the following items for damage: camshaft, valve rotocoil, valve springs, lifters, pushrods, bridges and injectors. Check for valves that do not move freely. Remove the cylinder head and inspect the valves. Replace any damaged parts. If damage has occurred, clean the following components: cylinder liner, piston and exhaust system. Replace any damaged parts.Failure of Connecting Rod Bearing
Inspect the connecting rod bearings and the bearing surfaces (journals) on the crankshaft. Check the piston pin for excessive wear. Replace any damaged parts.Crankshaft Bearings
Check the crankshaft and/or crankshaft bearings. Check the components for excessive wear.
Caterpillar parts catalog:
Parts piston Caterpillar catalog:
1668151
PISTON
416C, 416D, 420D, 428C, 430D, 432D, 438C, 438D, 442D
416C, 416D, 420D, 428C, 430D, 432D, 438C, 438D, 442D
1990752
PISTON-BRAKE
414E, 416E, 416F, 420E, 420F, 422E, 422F, 428E, 428F, 430E, 430F, 432E, 432F, 434E, 434F, 442E, 444E, 444F, TH103, TH460B, TH560B, TH580B
414E, 416E, 416F, 420E, 420F, 422E, 422F, 428E, 428F, 430E, 430F, 432E, 432F, 434E, 434F, 442E, 444E, 444F, TH103, TH460B, TH560B, TH580B
2359833
PISTON
416D, 420D, 424D, 428D, 432D, 442D
416D, 420D, 424D, 428D, 432D, 442D
2255437
PISTON AS
3054C, 3054E, 312D2, 312D2 GC, 312D2 L, 313D2, 313D2 LGP, 315C, 318D2 L, 414E, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 428D, 428E, 428F, 430D, 430E, 430F, 432D, 432E, 432F, 434E, 434F, 4...
3054C, 3054E, 312D2, 312D2 GC, 312D2 L, 313D2, 313D2 LGP, 315C, 318D2 L, 414E, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 428D, 428E, 428F, 430D, 430E, 430F, 432D, 432E, 432F, 434E, 434F, 4...
1990706
PISTON
414E, 416E, 416F, 420E, 420F, 422E, 422F, 428E, 428F, 430E, 430F, 432E, 432F, 434E, 434F, 442E, 444E, 444F, 450E, 450F, TH220B, TH330B, TH340B, TH350B, TH355B, TH460B, TH560B, TH580B
414E, 416E, 416F, 420E, 420F, 422E, 422F, 428E, 428F, 430E, 430F, 432E, 432F, 434E, 434F, 442E, 444E, 444F, 450E, 450F, TH220B, TH330B, TH340B, TH350B, TH355B, TH460B, TH560B, TH580B
2881394
PISTON AS
3054C, 3054E, 312D2, 312D2 GC, 312D2 L, 313D2, 313D2 LGP, 318D2 L, 414E, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 428D, 428E, 428F, 430D, 430F, 432D, 432E, 432F, 434E, 434F, 442D, 442E, 4...
3054C, 3054E, 312D2, 312D2 GC, 312D2 L, 313D2, 313D2 LGP, 318D2 L, 414E, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 428D, 428E, 428F, 430D, 430F, 432D, 432E, 432F, 434E, 434F, 442D, 442E, 4...
2881395
PISTON AS
3054C, 3054E, 312D2, 312D2 GC, 312D2 L, 313D2, 313D2 LGP, 318D2 L, 414E, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 428D, 428E, 428F, 430D, 430F, 432D, 432E, 432F, 434E, 434F, 442D, 442E, 4...
3054C, 3054E, 312D2, 312D2 GC, 312D2 L, 313D2, 313D2 LGP, 318D2 L, 414E, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 428D, 428E, 428F, 430D, 430F, 432D, 432E, 432F, 434E, 434F, 442D, 442E, 4...
2332582
PISTON
416D, 416E, 420D, 420E, 430D, 430E
416D, 416E, 420D, 420E, 430D, 430E
2332583
PISTON
416D, 416E, 420D, 420E, 422E, 424D, 428D, 428E, 430D, 430E, 432D, 432E, 434E, 442D, 442E, 444E, 446D, 450E, 527
416D, 416E, 420D, 420E, 422E, 424D, 428D, 428E, 430D, 430E, 432D, 432E, 434E, 442D, 442E, 444E, 446D, 450E, 527
2289572
PISTON
416E, 416F, 420E, 420F
416E, 416F, 420E, 420F
2949810
PISTON
420D, 420E, 428F, 430D, 430E, 432F, 434F, 444F, 450E
420D, 420E, 428F, 430D, 430E, 432F, 434F, 444F, 450E
3109269
PISTON AS
420E, 430E, 914G, C4.4, CB-54B, CP-44, CS-44, CS-54, CS-54B, CW-34, D3K XL, D4K XL, D5K LGP, IT14G, IT14G2, SPF343C
420E, 430E, 914G, C4.4, CB-54B, CP-44, CS-44, CS-54, CS-54B, CW-34, D3K XL, D4K XL, D5K LGP, IT14G, IT14G2, SPF343C
2949810
PISTON
420D, 420E, 428F, 430D, 430E, 432F, 434F, 444F, 450E
420D, 420E, 428F, 430D, 430E, 432F, 434F, 444F, 450E
2764170
PISTON
307D, 308D, 308E, 308E2 CR, 416D, 416E, 416F, 420D, 420E, 420F, 430D, 430E, 430F, 450E, 450F
307D, 308D, 308E, 308E2 CR, 416D, 416E, 416F, 420D, 420E, 420F, 430D, 430E, 430F, 450E, 450F
2298911
PISTON
416E, 416F, 420E, 420F, 422E, 428E, 430E, 430F, 432E, 434E, 442E, 444E
416E, 416F, 420E, 420F, 422E, 428E, 430E, 430F, 432E, 434E, 442E, 444E
2142250
PISTON
416E, 416F, 422E, 428E
416E, 416F, 422E, 428E
2288006
PISTON
416E
416E
2912695
PISTON
416E, 416F, 420E, 420F, 430E, 430F
416E, 416F, 420E, 420F, 430E, 430F
2525832
PISTON
420E, 420F, 432E, 434E
420E, 420F, 432E, 434E
2529732
PISTON
420E, 432E, 434E
420E, 432E, 434E
2332579
PISTON
420D, 420E, 430D, 430E
420D, 420E, 430D, 430E
2956092
PISTON
420E, 430E
420E, 430E
2739413
PISTON
420E, 432E, 434E
420E, 432E, 434E
2127291
PISTON
420E, 420F, 432E, 434E
420E, 420F, 432E, 434E