4W1238 TURBOCHARGER GP Caterpillar parts
3412, 651E, 657E
Rating:
Alternative (cross code) number:
CA4W1238
4W-1238
4W1238
CA4W1238
4W-1238
4W1238
Weight: 79 pounds 36 kg.
INDUSTRIAL ENGINE, WHEEL TRACTOR,
Related part:
4W1238
TURBO GP-BASIC
0R5750
R
You can buy:
US$1,179.00
28 May 2025
FridayParts
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TL9102 Turbocharger 465902-5003S 465902-0003 4W1238 0R5750 4W-1238 Compatible With Caterpillar Earth Moving 3412 DITA Engine
JFHJGUER Easy installation || Wide compatibility || Enhanced fuel efficiency || Compact and lightweight || Improved response speed
JFHJGUER Easy installation || Wide compatibility || Enhanced fuel efficiency || Compact and lightweight || Improved response speed
Turbocharger 4W-1238 Turbocharger Products Replace Original Automotive Turbocharger Parts
Jxeadysgw OE number:4W-1238 || Enhancing performance: Turbochargers can increase engine power, reduce vehicle acceleration time, and are compact in structure and highly reliable, effectively enhancing car performance || Energy conservation and emission reduction: Turbochargers increase the intake volume by compressing air, improve fuel efficiency, reduce exhaust emissions, and are energy-saving and environmentally friendly || Product lifespan extension: Turbochargers feature rapid heat dissipation at high speeds, which can extend the product's service life || Choose with confidence: This Turbocharger perfectly matches the performance of the original component equipment for specific vehicles. Please check your machine brand, year and original part OEM number through the garage tool above to ensure that the part meets your requirements
Jxeadysgw OE number:4W-1238 || Enhancing performance: Turbochargers can increase engine power, reduce vehicle acceleration time, and are compact in structure and highly reliable, effectively enhancing car performance || Energy conservation and emission reduction: Turbochargers increase the intake volume by compressing air, improve fuel efficiency, reduce exhaust emissions, and are energy-saving and environmentally friendly || Product lifespan extension: Turbochargers feature rapid heat dissipation at high speeds, which can extend the product's service life || Choose with confidence: This Turbocharger perfectly matches the performance of the original component equipment for specific vehicles. Please check your machine brand, year and original part OEM number through the garage tool above to ensure that the part meets your requirements
Turbocharger 4W1238 Turbocharger Products Replace Original Automotive Turbocharger Parts
Jxeadysgw OE number:4W1238 || Enhancing performance: Turbochargers can increase engine power, reduce vehicle acceleration time, and are compact in structure and highly reliable, effectively enhancing car performance || Energy conservation and emission reduction: Turbochargers increase the intake volume by compressing air, improve fuel efficiency, reduce exhaust emissions, and are energy-saving and environmentally friendly || Product lifespan extension: Turbochargers feature rapid heat dissipation at high speeds, which can extend the product's service life || Choose with confidence: This Turbocharger perfectly matches the performance of the original component equipment for specific vehicles. Please check your machine brand, year and original part OEM number through the garage tool above to ensure that the part meets your requirements
Jxeadysgw OE number:4W1238 || Enhancing performance: Turbochargers can increase engine power, reduce vehicle acceleration time, and are compact in structure and highly reliable, effectively enhancing car performance || Energy conservation and emission reduction: Turbochargers increase the intake volume by compressing air, improve fuel efficiency, reduce exhaust emissions, and are energy-saving and environmentally friendly || Product lifespan extension: Turbochargers feature rapid heat dissipation at high speeds, which can extend the product's service life || Choose with confidence: This Turbocharger perfectly matches the performance of the original component equipment for specific vehicles. Please check your machine brand, year and original part OEM number through the garage tool above to ensure that the part meets your requirements
Number on catalog scheme:
1
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Information:
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7574 Link Bracket 2
B 8T-5096 Dial Indicator Group 1 Start By:
Remove the engine oil pan.
Remove the front housing.
Remove the flywheel housing.
Illustration 1 g01013519Note: Careful handling is required for fractured connecting rods. Fractured faces for the connecting rod and connecting rod cap should not be placed on any surface. The connecting rod and the connecting rod cap should be placed on the sides in order to prevent damage. When possible, the connecting rod and the connecting rod cap should be bolted together in order to prevent damage.Note: Place an identification mark on all connecting rod caps (2). Connecting rod caps (2) should be marked with the corresponding cylinder number.
Remove connecting rod caps (2) and connecting rod bearings (1). Note: Crankshaft main bearing caps (4) are marked with the numbers 1 through 7. Crankshaft main bearing caps (4) that are not marked should be marked with the corresponding cylinder number. Put the corresponding cylinder numbers on the right-hand side of crankshaft main bearing cap (4).
Remove crankshaft main bearing caps (4) and the lower half of crankshaft main bearings (5).
Remove crankshaft thrust bearings (3).
Attach Tooling (A) and a suitable lifting device to crankshaft (6). The weight of crankshaft (6) is approximately 129 kg (285 lb).
Remove crankshaft (6) and the upper half of the crankshaft main bearings. Installation Procedure
Install crankshaft (6) in the reverse order of removal. Note: The thrust plate is used on the number 4 crankshaft main bearing only.
Position crankshaft main bearing caps (4) with the part numbers toward the right-hand side of the cylinder block. Position crankshaft main bearing caps (4) in a numerical sequence. Note: Use new bolts for the installation of bearing caps (4).
Apply clean "SAE 30W" oil or molybdenum grease to the bolt threads and the washers. Install the bolts. Tighten the bolts to a torque of 150 5 N m (111 4 lb ft). Place an index mark on each bolt head. Turn the bolts for an additional 60 5 degrees (1/6 turn).
Check the end play of the crankshaft with Tooling (B). The end play must be 0.10 to 0.50 mm (0.004 to 0.020 inch).
Apply clean engine oil to the connecting rod cap bolts. Install the connecting rod cap bolts. Tighten the connecting rod cap bolts to a torque of 130 7 N m (95 5 lb ft). Place an index mark on each bolt head. Tighten each bolt for an additional 60 5 degrees (1/6 turn).
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7574 Link Bracket 2
B 8T-5096 Dial Indicator Group 1 Start By:
Remove the engine oil pan.
Remove the front housing.
Remove the flywheel housing.
Illustration 1 g01013519Note: Careful handling is required for fractured connecting rods. Fractured faces for the connecting rod and connecting rod cap should not be placed on any surface. The connecting rod and the connecting rod cap should be placed on the sides in order to prevent damage. When possible, the connecting rod and the connecting rod cap should be bolted together in order to prevent damage.Note: Place an identification mark on all connecting rod caps (2). Connecting rod caps (2) should be marked with the corresponding cylinder number.
Remove connecting rod caps (2) and connecting rod bearings (1). Note: Crankshaft main bearing caps (4) are marked with the numbers 1 through 7. Crankshaft main bearing caps (4) that are not marked should be marked with the corresponding cylinder number. Put the corresponding cylinder numbers on the right-hand side of crankshaft main bearing cap (4).
Remove crankshaft main bearing caps (4) and the lower half of crankshaft main bearings (5).
Remove crankshaft thrust bearings (3).
Attach Tooling (A) and a suitable lifting device to crankshaft (6). The weight of crankshaft (6) is approximately 129 kg (285 lb).
Remove crankshaft (6) and the upper half of the crankshaft main bearings. Installation Procedure
Install crankshaft (6) in the reverse order of removal. Note: The thrust plate is used on the number 4 crankshaft main bearing only.
Position crankshaft main bearing caps (4) with the part numbers toward the right-hand side of the cylinder block. Position crankshaft main bearing caps (4) in a numerical sequence. Note: Use new bolts for the installation of bearing caps (4).
Apply clean "SAE 30W" oil or molybdenum grease to the bolt threads and the washers. Install the bolts. Tighten the bolts to a torque of 150 5 N m (111 4 lb ft). Place an index mark on each bolt head. Turn the bolts for an additional 60 5 degrees (1/6 turn).
Check the end play of the crankshaft with Tooling (B). The end play must be 0.10 to 0.50 mm (0.004 to 0.020 inch).
Apply clean engine oil to the connecting rod cap bolts. Install the connecting rod cap bolts. Tighten the connecting rod cap bolts to a torque of 130 7 N m (95 5 lb ft). Place an index mark on each bolt head. Tighten each bolt for an additional 60 5 degrees (1/6 turn).
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Caterpillar parts catalog:
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8N3721
TURBOCHARGER GP
3412, 651E, 657E
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